C

More then one http status 200 as result

Checked:
14.08.2019 23:19:54


Older results


1. IP-Addresses

HostTIP-Addressis auth.∑ Queries∑ Timeout
cheaptextbooks.com
A
104.236.3.238
Clifton/New Jersey/United States (US) - DigitalOcean, LLC
No Hostname found
yes
1
0

AAAA

yes


www.cheaptextbooks.com
A
104.236.3.238
Clifton/New Jersey/United States (US) - DigitalOcean, LLC
No Hostname found
yes
1
0

AAAA

yes



2. DNSSEC

Zone (*)DNSSEC - Informations (beta)
(root)
1 DS RR published

Status: Valid because published

2 DNSKEY RR found

Public Key with Algorithm 8, KeyTag 20326, Flags 257 (SEP = Secure Entry Point)

Public Key with Algorithm 8, KeyTag 59944, Flags 256

1 RRSIG RR to validate DNSKEY RR found

Algorithm: 8, 0 Labels, original TTL: 172800 sec, Signature-expiration: 31.08.2019, 00:00:00, Signature-Inception: 10.08.2019, 00:00:00, KeyTag 20326, Signer-Name: (root)

Status: Good - Algorithmus 8 and DNSKEY with KeyTag 20326 used to validate the DNSKEY RRSet

Status: Valid Chain of trust. Parent-DS with Algorithm 8, KeyTag 20326, DigestType 2 and Digest "4G1EuAuPHTmpXAsNfGXQhFjogECbvGg0VxBCN8f47I0=" validates local Key with the same values, Key ist Secure Entry Point (SEP) of the zone
com
1 DS RR in the parent zone found

1 RRSIG RR to validate DS RR found

Algorithm: 8, 1 Labels, original TTL: 86400 sec, Signature-expiration: 27.08.2019, 17:00:00, Signature-Inception: 14.08.2019, 16:00:00, KeyTag 59944, Signer-Name: (root)

Status: Good - Algorithmus 8 and DNSKEY with KeyTag 59944 used to validate the DS RRSet in the parent zone

2 DNSKEY RR found

Public Key with Algorithm 8, KeyTag 17708, Flags 256

Public Key with Algorithm 8, KeyTag 30909, Flags 257 (SEP = Secure Entry Point)

1 RRSIG RR to validate DNSKEY RR found

Algorithm: 8, 1 Labels, original TTL: 86400 sec, Signature-expiration: 25.08.2019, 18:25:33, Signature-Inception: 10.08.2019, 18:20:33, KeyTag 30909, Signer-Name: com

Status: Good - Algorithmus 8 and DNSKEY with KeyTag 30909 used to validate the DNSKEY RRSet

Status: Valid Chain of trust. Parent-DS with Algorithm 8, KeyTag 30909, DigestType 2 and Digest "4tPJFvbe6scylOgmj7WIUESoM/xUWViPSpGEz8QaV2Y=" validates local Key with the same values, Key ist Secure Entry Point (SEP) of the zone
cheaptextbooks.com
0 DS RR in the parent zone found

DS-Query in the parent zone has a valid NSEC3 RR as result with the hashed domain name between the hashed NSEC3-owner and the hashed NextOwner. So the parent zone confirmes the non-existence of a DS RR.

0 DNSKEY RR found


www.cheaptextbooks.com
0 DS RR in the parent zone found


3. Name Servers

DomainNameserverNS-IP
www.cheaptextbooks.com
  ns39.worldnic.com / worldnic

cheaptextbooks.com
  ns39.worldnic.com / worldnic
207.204.40.120
Ashburn/Virginia/United States (US) - Defense.Net, Inc


  ns40.worldnic.com / worldnic
207.204.21.120
Ashburn/Virginia/United States (US) - Defense.Net, Inc

com
  a.gtld-servers.net


  b.gtld-servers.net


  c.gtld-servers.net


  d.gtld-servers.net


  e.gtld-servers.net


  f.gtld-servers.net


  g.gtld-servers.net


  h.gtld-servers.net


  i.gtld-servers.net


  j.gtld-servers.net


  k.gtld-servers.net


  l.gtld-servers.net


  m.gtld-servers.net


4. SOA-Entries


Domain:com
Primary:a.gtld-servers.net
Mail:nstld.verisign-grs.com
Serial:1565817563
Refresh:1800
Retry:900
Expire:604800
TTL:86400
num Entries:3


Domain:com
Primary:a.gtld-servers.net
Mail:nstld.verisign-grs.com
Serial:1565817583
Refresh:1800
Retry:900
Expire:604800
TTL:86400
num Entries:10


Domain:cheaptextbooks.com
Primary:NS39.WORLDNIC.com
Mail:namehost.WORLDNIC.com
Serial:119081322
Refresh:10800
Retry:3600
Expire:604800
TTL:3600
num Entries:2


Domain:www.cheaptextbooks.com
Primary:NS39.WORLDNIC.com
Mail:namehost.WORLDNIC.com
Serial:119081322
Refresh:10800
Retry:3600
Expire:604800
TTL:3600
num Entries:1


5. Url-Checks


show header:
Domainname Http-StatusredirectSec.G
• http://cheaptextbooks.com/
104.236.3.238
301
https://cheaptextbooks.com/
0.390
A
Date: Wed, 14 Aug 2019 21:20:34 GMT
Server: Apache/2.4.18 (Ubuntu)
Location: https://cheaptextbooks.com/
Content-Length: 319
Connection: close
Content-Type: text/html; charset=iso-8859-1

• http://www.cheaptextbooks.com/
104.236.3.238
301
https://www.cheaptextbooks.com/
0.314
A
Date: Wed, 14 Aug 2019 21:20:34 GMT
Server: Apache/2.4.18 (Ubuntu)
Location: https://www.cheaptextbooks.com/
Content-Length: 327
Connection: close
Content-Type: text/html; charset=iso-8859-1

• https://cheaptextbooks.com/
104.236.3.238
200

4.337
B
Date: Wed, 14 Aug 2019 21:20:35 GMT
Server: Apache/2.4.18 (Ubuntu)
Set-Cookie: PHPSESSID=2ch4r9lrejs4nvgoejf1cqamb3; Path=/; Domain=cheaptextbooks.com
Expires: Thu, 19 Nov 1981 08:52:00 GMT
Cache-Control: max-age=900
Pragma: no-cache
Vary: Accept-Encoding
Connection: close
Transfer-Encoding: chunked
Content-Type: text/html; charset=UTF-8

• https://www.cheaptextbooks.com/
104.236.3.238
200

3.980
B
Date: Wed, 14 Aug 2019 21:20:40 GMT
Server: Apache/2.4.18 (Ubuntu)
Set-Cookie: PHPSESSID=hrut7emij13mqvhea33ttmage0; Path=/; Domain=www.cheaptextbooks.com
Expires: Thu, 19 Nov 1981 08:52:00 GMT
Cache-Control: max-age=900
Pragma: no-cache
Vary: Accept-Encoding
Connection: close
Transfer-Encoding: chunked
Content-Type: text/html; charset=UTF-8

• http://cheaptextbooks.com/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de
104.236.3.238
301
https://cheaptextbooks.com/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de
0.243
A
Visible Content: Moved Permanently The document has moved here . Apache/2.4.18 (Ubuntu) Server at cheaptextbooks.com Port 80
Date: Wed, 14 Aug 2019 21:20:44 GMT
Server: Apache/2.4.18 (Ubuntu)
Location: https://cheaptextbooks.com/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de
Content-Length: 388
Connection: close
Content-Type: text/html; charset=iso-8859-1

• http://www.cheaptextbooks.com/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de
104.236.3.238
301
https://www.cheaptextbooks.com/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de
0.253
A
Visible Content: Moved Permanently The document has moved here . Apache/2.4.18 (Ubuntu) Server at www.cheaptextbooks.com Port 80
Date: Wed, 14 Aug 2019 21:20:44 GMT
Server: Apache/2.4.18 (Ubuntu)
Location: https://www.cheaptextbooks.com/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de
Content-Length: 396
Connection: close
Content-Type: text/html; charset=iso-8859-1

• https://cheaptextbooks.com/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de

404

3.787
A
Not Found
Visible Content: Not Found The requested URL /.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de was not found on this server. Apache/2.4.18 (Ubuntu) Server at cheaptextbooks.com Port 443
Date: Wed, 14 Aug 2019 21:20:45 GMT
Server: Apache/2.4.18 (Ubuntu)
Content-Length: 352
Connection: close
Content-Type: text/html; charset=iso-8859-1

• https://www.cheaptextbooks.com/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de

404

3.990
A
Not Found
Visible Content: Not Found The requested URL /.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de was not found on this server. Apache/2.4.18 (Ubuntu) Server at www.cheaptextbooks.com Port 443
Date: Wed, 14 Aug 2019 21:20:49 GMT
Server: Apache/2.4.18 (Ubuntu)
Content-Length: 356
Connection: close
Content-Type: text/html; charset=iso-8859-1

6. Comments

Aname "cheaptextbooks.com" is domain, public suffix is "com", top-level-domain-type is "generic", tld-manager is "VeriSign Global Registry Services"
Agood: All ip addresses are public addresses
Agood: No asked Authoritative Name Server had a timeout
Agood: destination is https
AGood: All urls with http status 200/404 have a complete Content-Type header (MediaType / MediaSubType + correct charset)
Ahttp://cheaptextbooks.com/ 104.236.3.238
301
https://cheaptextbooks.com/
correct redirect http - https with the same domain name
Ahttp://www.cheaptextbooks.com/ 104.236.3.238
301
https://www.cheaptextbooks.com/
correct redirect http - https with the same domain name
Bhttps://cheaptextbooks.com/ 104.236.3.238
200

Missing HSTS-Header
Bhttps://cheaptextbooks.com/ 104.236.3.238
200
PHPSESSID=2ch4r9lrejs4nvgoejf1cqamb3; Path=/; Domain=cheaptextbooks.com
Cookie sent via https, but not marked as secure
Bhttps://www.cheaptextbooks.com/ 104.236.3.238
200
PHPSESSID=hrut7emij13mqvhea33ttmage0; Path=/; Domain=www.cheaptextbooks.com
Cookie sent via https, but not marked as secure
Bhttps://www.cheaptextbooks.com/ 104.236.3.238
200

Missing HSTS-Header
CError - more then one version with Http-Status 200. After all redirects, all users (and search engines) should see the same https url: Non-www or www, but not both with http status 200.
CError - no preferred version www or non-www. Select one version as preferred version, then add a redirect https + not-preferred version to https + preferred version. Perhaps in your port 443 vHost something like "RewriteEngine on" + "RewriteCond %{SERVER_NAME} = example.com" + "ReWriteRule ^ https://www.example.com%{REQUEST_URI} [END,QSA,R=permanent]" (three rows, without the "). That should create a redirect https + example.com ⇒ https + www.example.com. Or switch both values to use the non-www version as your preferred version.
AGood: Nameserver supports TCP connections: 2 good Nameserver
AGood: Nameserver supports Echo Capitalization: 2 good Nameserver
AGood: Nameserver supports EDNS with max. 512 Byte Udp payload, message is smaller: 2 good Nameserver
AGood: Nameserver has passed 10 EDNS-Checks (OP100, FLAGS, V1, V1OP100, V1FLAGS, DNSSEC, V1DNSSEC, NSID, COOKIE, CLIENTSUBNET): 13 good Nameserver
Nameserver doesn't pass all EDNS-Checks: ns39.worldnic.com: OP100: ok. FLAGS: ok. V1: SOA NOT expected, but found, BADVER expected, NOERR found, Version 0 expectend and found. V1OP100: SOA NOT expected, but found, BADVER expected, NOERR found, Version 0 expectend and found, no OPT100 expected, no OPT100 found. V1FLAGS: SOA NOT expected, but found, BADVER expected, NOERR found, Version 0 expectend and found. DNSSEC: ok. V1DNSSEC: SOA NOT expected, but found, BADVER expected, NOERR found, Version 0 expectend and found. NSID: ok (worldnic). COOKIE: ok. CLIENTSUBNET: ok.
Nameserver doesn't pass all EDNS-Checks: ns39.worldnic.com / 207.204.40.120: OP100: ok. FLAGS: ok. V1: SOA NOT expected, but found, BADVER expected, NOERR found, Version 0 expectend and found. V1OP100: SOA NOT expected, but found, BADVER expected, NOERR found, Version 0 expectend and found, no OPT100 expected, no OPT100 found. V1FLAGS: SOA NOT expected, but found, BADVER expected, NOERR found, Version 0 expectend and found. DNSSEC: ok. V1DNSSEC: SOA NOT expected, but found, BADVER expected, NOERR found, Version 0 expectend and found. NSID: ok (worldnic). COOKIE: ok. CLIENTSUBNET: ok.
Nameserver doesn't pass all EDNS-Checks: ns40.worldnic.com / 207.204.21.120: OP100: ok. FLAGS: ok. V1: SOA NOT expected, but found, BADVER expected, NOERR found, Version 0 expectend and found. V1OP100: SOA NOT expected, but found, BADVER expected, NOERR found, Version 0 expectend and found, no OPT100 expected, no OPT100 found. V1FLAGS: SOA NOT expected, but found, BADVER expected, NOERR found, Version 0 expectend and found. DNSSEC: ok. V1DNSSEC: SOA NOT expected, but found, BADVER expected, NOERR found, Version 0 expectend and found. NSID: ok (worldnic). COOKIE: ok. CLIENTSUBNET: ok.
AGood: All SOA have the same Serial Number
Warning: No CAA entry with issue/issuewild found, every CAA can create a certificate. Read https://en.wikipedia.org/wiki/DNS_Certification_Authority_Authorization
AGood: All checks /.well-known/acme-challenge/random-filename without redirects answer with the expected http status 404 - Not Found. Creating a Letsencrypt certificate via http-01 challenge should work. If it doesn't work: Check your vHost configuration (apachectl -S, httpd -S, nginx -T). Every combination of port and ServerName / ServerAlias (Apache) or Server (Nginx) must be unique. Merge duplicated entries in one vHost. If you use an IIS, extensionless files must be allowed in the /.well-known/acme-challenge subdirectory. Create a web.config in that directory. Content: <configuration><system.webServer><staticContent><mimeMap fileExtension="." mimeType="text/plain" /></staticContent></system.webServer></configuration>. If you have a redirect http ⇒ https, there must be a certificate. But the certificate may be expired or with a not matching domain name. Checking the validation file Letsencrypt ignores such certificate errors.
AGood: Domainname is not on the "Specially Designated Nationals And Blocked Persons List" (SDN). That's an US-list of individuals and companies owned or controlled by, or acting for or on behalf of, targeted countries. It also lists individuals, groups, and entities, such as terrorists and narcotics traffickers designated under programs that are not country-specific. Collectively, such individuals and companies are called "Specially Designated Nationals" or "SDNs." Their assets are blocked and U.S. persons are generally prohibited from dealing with them. So if a domain name is on that list, it's impossible to create a Letsencrypt certificate with that domain name. Check the list manual - https://www.treasury.gov/resource-center/sanctions/sdn-list/pages/default.aspx
https://cheaptextbooks.com/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de
404
3.787 seconds
Warning: 404 needs more then one second
https://www.cheaptextbooks.com/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de
404
3.990 seconds
Warning: 404 needs more then one second
ADuration: 82433 milliseconds, 82.433 seconds


7. Connections

DomainIPPortCert.ProtocolKeyExchangeStrengthCipherStrengthHashAlgorithmOCSP stapling
Domain/KeyExchangeIP/StrengthPort/CipherCert./StrengthProtocol/HashAlgorithmOCSP stapling
cheaptextbooks.com
104.236.3.238
443
ok
Tls12
DiffieHellman
2048
Aes128
128
Sha256
error checking OCSP stapling
ok
cheaptextbooks.com
104.236.3.238
443
ok
Tls12
DiffieHellman
2048
Aes128
128
Sha256
error checking OCSP stapling
ok
Chain (complete)
1CN=cheaptextbooks.com

2CN=Let's Encrypt Authority X3, O=Let's Encrypt, C=US
www.cheaptextbooks.com
104.236.3.238
443
ok
Tls12
DiffieHellman
2048
Aes128
128
Sha256
error checking OCSP stapling
ok
www.cheaptextbooks.com
104.236.3.238
443
ok
Tls12
DiffieHellman
2048
Aes128
128
Sha256
error checking OCSP stapling
ok
Chain (complete)
1CN=cheaptextbooks.com

2CN=Let's Encrypt Authority X3, O=Let's Encrypt, C=US


8. Certificates

1.
1.
CN=cheaptextbooks.com
14.08.2019
12.11.2019
expires in 84 days
cheaptextbooks.com, www.cheaptextbooks.com - 2 entries
1.
1.
CN=cheaptextbooks.com
14.08.2019

12.11.2019
expires in 84 days
cheaptextbooks.com, www.cheaptextbooks.com - 2 entries

KeyalgorithmRSA encryption (2048 bit)
Signatur:SHA256 With RSA-Encryption
Serial Number:03323841E74ADF659E9A0DBCAE90AD3DEF26
Thumbprint:844B08F443F963A2169A4B2DD6015FAC80348D2E
SHA256 / Certificate:nfbg02RQyRT+mUl+6V4famNHXN0/UxbhDm+mJfgj/2k=
SHA256 hex / Cert (DANE * 0 1):e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA256 hex / PublicKey (DANE * 1 1):1d2dc90635ba6461f22fb90c1ac0fcf4fdb3ec801dadc240aeeff4fffba220f5
OCSP - Url:http://ocsp.int-x3.letsencrypt.org
OCSP - must staple:no
Certificate Transparency:yes


2.
CN=Let's Encrypt Authority X3, O=Let's Encrypt, C=US
17.03.2016
17.03.2021
expires in 575 days


2.
CN=Let's Encrypt Authority X3, O=Let's Encrypt, C=US
17.03.2016

17.03.2021
expires in 575 days


KeyalgorithmRSA encryption (2048 bit)
Signatur:SHA256 With RSA-Encryption
Serial Number:0A0141420000015385736A0B85ECA708
Thumbprint:E6A3B45B062D509B3382282D196EFE97D5956CCB
SHA256 / Certificate:JYR9Zo608E/dQLErawdAxWfafQJDCOtsLJb+QdneIY0=
SHA256 hex / Cert (DANE * 0 1):25847d668eb4f04fdd40b12b6b0740c567da7d024308eb6c2c96fe41d9de218d
SHA256 hex / PublicKey (DANE * 1 1):60b87575447dcba2a36b7d11ac09fb24a9db406fee12d2cc90180517616e8a18
OCSP - Url:http://isrg.trustid.ocsp.identrust.com
OCSP - must staple:no
Certificate Transparency:no


3.
CN=DST Root CA X3, O=Digital Signature Trust Co.
30.09.2000
30.09.2021
expires in 772 days


3.
CN=DST Root CA X3, O=Digital Signature Trust Co.
30.09.2000

30.09.2021
expires in 772 days


KeyalgorithmRSA encryption (2048 bit)
Signatur:SHA-1 with RSA Encryption
Serial Number:44AFB080D6A327BA893039862EF8406B
Thumbprint:DAC9024F54D8F6DF94935FB1732638CA6AD77C13
SHA256 / Certificate:BocmAzGnJAPZCfEF5pvPDTLhvSST/8bZIG0RvNZ3Bzk=
SHA256 hex / Cert (DANE * 0 1):0687260331a72403d909f105e69bcf0d32e1bd2493ffc6d9206d11bcd6770739
SHA256 hex / PublicKey (DANE * 1 1):563b3caf8cfef34c2335caf560a7a95906e8488462eb75ac59784830df9e5b2b
OCSP - Url:
OCSP - must staple:no
Certificate Transparency:no



9. Last Certificates - Certificate Transparency Log Check (BETA)

1. Source CertSpotter - active certificates

Issuerlast 7 daysactivenum Certs
CN=Let's Encrypt Authority X3, O=Let's Encrypt, C=US
2
4
4

CertSpotter-IdIssuernot beforenot afterDomain namesLE-Duplicatenext LE
1069397628
precert
CN=Let's Encrypt Authority X3, O=Let's Encrypt, C=US
2019-08-13 15:00:11
2019-11-11 15:00:11
cheaptextbooks.com - 1 entries
duplicate nr. 2

1068827583
precert
CN=Let's Encrypt Authority X3, O=Let's Encrypt, C=US
2019-08-13 08:42:41
2019-11-11 08:42:41
cheaptextbooks.com - 1 entries
duplicate nr. 1

1069258847
precert
CN=Let's Encrypt Authority X3, O=Let's Encrypt, C=US
2019-08-13 00:16:50
2019-11-11 00:16:50
cheaptextbooks.com - 1 entries


953127106
leaf cert
CN=Let's Encrypt Authority X3, O=Let's Encrypt, C=US
2019-06-06 17:18:38
2019-09-04 17:18:38
cheaptextbooks.com - 1 entries



2. Source crt.sh - old and new certificates, sometimes very slow.

Issuerlast 7 daysactivenum Certs
CN=Let's Encrypt Authority X3, O=Let's Encrypt, C=US
2
4
12
CN=Symantec Class 3 Secure Server CA - G4, OU=Symantec Trust Network, O=Symantec Corporation, C=US
0
0
1

CRT-IdIssuernot beforenot afterDomain namesLE-Duplicatenext LE
1768038018
CN=Let's Encrypt Authority X3, O=Let's Encrypt, C=US
2019-08-13 13:00:11
2019-11-11 14:00:11
cheaptextbooks.com
1 entries
duplicate nr. 2

1767133650
CN=Let's Encrypt Authority X3, O=Let's Encrypt, C=US
2019-08-13 06:42:41
2019-11-11 07:42:41
cheaptextbooks.com
1 entries
duplicate nr. 1

1765821328
CN=Let's Encrypt Authority X3, O=Let's Encrypt, C=US
2019-08-12 22:16:50
2019-11-10 23:16:50
cheaptextbooks.com
1 entries


1555337435
CN=Let's Encrypt Authority X3, O=Let's Encrypt, C=US
2019-06-06 15:18:38
2019-09-04 15:18:38
cheaptextbooks.com
1 entries


1367705149
CN=Let's Encrypt Authority X3, O=Let's Encrypt, C=US
2019-04-07 05:18:36
2019-07-06 05:18:36
cheaptextbooks.com
1 entries


1178358750
CN=Let's Encrypt Authority X3, O=Let's Encrypt, C=US
2019-02-06 01:55:56
2019-05-07 00:55:56
cheaptextbooks.com
1 entries


1009681716
CN=Let's Encrypt Authority X3, O=Let's Encrypt, C=US
2018-12-07 17:31:38
2019-03-07 17:31:38
cheaptextbooks.com
1 entries


836128007
CN=Let's Encrypt Authority X3, O=Let's Encrypt, C=US
2018-10-08 10:22:00
2019-01-06 11:22:00
cheaptextbooks.com
1 entries


731182886
CN=Let's Encrypt Authority X3, O=Let's Encrypt, C=US
2018-08-09 01:11:53
2018-11-07 02:11:53
cheaptextbooks.com
1 entries


517423122
CN=Let's Encrypt Authority X3, O=Let's Encrypt, C=US
2018-06-09 21:22:29
2018-09-07 21:22:29
cheaptextbooks.com
1 entries


391286107
CN=Let's Encrypt Authority X3, O=Let's Encrypt, C=US
2018-04-10 21:13:34
2018-07-09 21:13:34
cheaptextbooks.com
1 entries


326431337
CN=Let's Encrypt Authority X3, O=Let's Encrypt, C=US
2018-02-09 12:25:55
2018-05-10 11:25:55
cheaptextbooks.com
1 entries


24577368
CN=Symantec Class 3 Secure Server CA - G4, OU=Symantec Trust Network, O=Symantec Corporation, C=US
2016-07-10 22:00:00
2019-07-12 21:59:59
cheaptextbooks.com, www.cheaptextbooks.com
2 entries



10. Html-Content - Entries (BETA - mixed content and other checks)

Summary

Subresource Integrity (SRI)
DomainnameHtmlElementrel/property∑ size∑ problems∑ int.∑ ext.∑ Origin poss.∑ SRI ParseErrors∑ SRI valid∑ SRI missing
https://cheaptextbooks.com/
104.236.3.238
a

38

0







img

5
40,744 Bytes
0
5
0





link
stylesheet
2
27,621 Bytes
0
1
1
1
0
0
-1

link
other
1
5,430 Bytes
0
1
0





meta
other
4

0







script

12
178,196 Bytes
0
7
5
3
0
0
-3
https://www.cheaptextbooks.com/
104.236.3.238
a

38

0







img

5
40,744 Bytes
0
5
0





link
stylesheet
2
27,621 Bytes
0
1
1
1
0
0
-1

link
other
1
5,430 Bytes
0
1
0





meta
other
4

0







script

12
178,196 Bytes
0
6
6
3
0
0
-3

Details

DomainnameHtml-Elementname/equiv/ property/relhref/src/contentHttpStatusmsgStatus
https://cheaptextbooks.com/
104.236.3.238
a

about.php


1
ok



a

access_codes_for_used_books.php


1
ok



a

cheap_textbooks_dotcom_customer_reviews.php


1
ok



a

customer-support.php


5
ok



a

get_together_to_study_better_2.php


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local SRI possible, possible hash-values:

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sha384-QMqPmIZnKP9WHzMgDNP6ZAsf/K2nj0yMkXBHGJJq33GXNsQyogs/ujzKMhBwjC1o
sha512-jiaJNxK063NPsNu+gzj4h4IQloHV0r12Irjkqxiqc53HvgrI2/uu0CpHVOL9ry5r/GpxI7jwvN39fGb408upmQ==

<script src="js/jquery.lightbox-0.5.pack.js" crossorigin="anonymous" integrity="sha256-P2+EvKfrVIclsBnjKOT1nYVveckE9RtATj5dp6031Y4=" />




script
src
js/jquery-1.4.2.min.js
200
72328 Bytes

1
ok

local SRI possible, possible hash-values:

sha256-Z3mSekFMvw/nVAJGVBUIfrUeJvml9Ga9jFntLfFX2bI=
sha384-onVrILjN34lftyD6owBoQFaEx93d7uyW6RNCWHN3NZ5dKFeSMW47vNC5vkODtFRO
sha512-OEMc1vni/KvXE2R0ISxkz7qn5drS9BLXKPv+zTZnb2iy1Ld98L7Mi5ZXh0b2Soy8ZQw8NwBJR+1qqKSTDd9JOg==

<script src="js/jquery-1.4.2.min.js" crossorigin="anonymous" integrity="sha256-Z3mSekFMvw/nVAJGVBUIfrUeJvml9Ga9jFntLfFX2bI=" />




script
src
js/lightbox-customize.js
200
388 Bytes

1
ok

local SRI possible, possible hash-values:

sha256-rZFECBNtZJ+MSYicvUYHPcyqN3Z784egGMOOaAMxyi8=
sha384-/7W32sWtThj2eS1jguRa85SBiNg/raYyvrRqdb3FiVE9d51wuutePVHES3NjZpFZ
sha512-AnP/IXekZ7+i5cQJIgTAozxJNyTTjZ9CZc2iwKWpM5pytkTPWisZeZ+eGEYRTs36nYe3Z2O0MT5r1EbDn8J7Yg==

<script src="js/lightbox-customize.js" crossorigin="anonymous" integrity="sha256-rZFECBNtZJ+MSYicvUYHPcyqN3Z784egGMOOaAMxyi8=" />




script
src
js/results.js
200
962 Bytes

1
ok

local SRI possible, possible hash-values:

sha256-ya6c1UHIfdt/TBs2TvV4FfJqJ58u7XGS1txYENWRCvI=
sha384-GvdZhr9RMQpmUIjrsBYGU73J5gSKe6BOqfVnAGThfq4sp5xLTaMArlxzGpyFN6W/
sha512-4F08CiC+Lz8rj1uK47pli7cFP3jE3oQM+SnTcWfokcGi993rbzjbt5om0hIUrwuFrKHocjByMBuIhEgaknMsDg==

<script src="js/results.js" crossorigin="anonymous" integrity="sha256-ya6c1UHIfdt/TBs2TvV4FfJqJ58u7XGS1txYENWRCvI=" />




script
src
js/searchform.js
200
2390 Bytes

1
ok

local SRI possible, possible hash-values:

sha256-ONawlSmwrTv07+DOx6X/jv3/vLzV2+WqiHZmpcZDIiM=
sha384-p5Rlm6L8x5RgP0KKqQb0Dp8LIFGeukn7nd0hBe3vinW4JM4L4GFLEb1J4F2gOBsh
sha512-/bQnhWSj/5CCa7i6ZD7ts9vZUf+HvGHEzn4QcDnWkXZ6nAqwsrXKZt2H9CRzFvlqiyLqqRRBzKhhy64fpdey1A==

<script src="js/searchform.js" crossorigin="anonymous" integrity="sha256-ONawlSmwrTv07+DOx6X/jv3/vLzV2+WqiHZmpcZDIiM=" />




11. CAA - Entries

DomainnameflagNameValue∑ Queries∑ Timeout
www.cheaptextbooks.com
0

no CAA entry found
1
0
cheaptextbooks.com
0

no CAA entry found
1
0
com
0

no CAA entry found
1
0


12. TXT - Entries

DomainnameTXT EntryStatus∑ Queries∑ Timeout
cheaptextbooks.com

ok
1
0
www.cheaptextbooks.com

ok
1
0
_acme-challenge.cheaptextbooks.com

missing entry or wrong length
1
0
_acme-challenge.www.cheaptextbooks.com

Name Error - The domain name does not exist
1
0
_acme-challenge.cheaptextbooks.com.cheaptextbooks.com

perhaps wrong
1
0
_acme-challenge.www.cheaptextbooks.com.cheaptextbooks.com

perhaps wrong
1
0
_acme-challenge.www.cheaptextbooks.com.www.cheaptextbooks.com

Name Error - The domain name does not exist
1
0


13. Portchecks (BETA)

Domain or IPPortDescriptionResultAnswer
cheaptextbooks.com
21
FTP



cheaptextbooks.com
21
FTP



cheaptextbooks.com
22
SSH
open
SSH-2.0-OpenSSH_7.2p2 Ubuntu-4ubuntu2.8

cheaptextbooks.com
22
SSH
open
SSH-2.0-OpenSSH_7.2p2 Ubuntu-4ubuntu2.8

cheaptextbooks.com
25
SMTP



cheaptextbooks.com
25
SMTP



cheaptextbooks.com
53
DNS



cheaptextbooks.com
53
DNS



cheaptextbooks.com
110
POP3



cheaptextbooks.com
110
POP3



cheaptextbooks.com
143
IMAP



cheaptextbooks.com
143
IMAP



cheaptextbooks.com
465
SMTP (encrypted)



cheaptextbooks.com
465
SMTP (encrypted)



cheaptextbooks.com
587
SMTP (encrypted, submission)



cheaptextbooks.com
587
SMTP (encrypted, submission)



cheaptextbooks.com
993
IMAP (encrypted)



cheaptextbooks.com
993
IMAP (encrypted)



cheaptextbooks.com
995
POP3 (encrypted)



cheaptextbooks.com
995
POP3 (encrypted)



cheaptextbooks.com
1433
MS SQL



cheaptextbooks.com
1433
MS SQL



cheaptextbooks.com
2082
cPanel (http)



cheaptextbooks.com
2082
cPanel (http)



cheaptextbooks.com
2083
cPanel (https)



cheaptextbooks.com
2083
cPanel (https)



cheaptextbooks.com
2086
WHM (http)



cheaptextbooks.com
2086
WHM (http)



cheaptextbooks.com
2087
WHM SSL



cheaptextbooks.com
2087
WHM SSL



cheaptextbooks.com
2089
cPanel Licensing



cheaptextbooks.com
2089
cPanel Licensing



cheaptextbooks.com
2095
cPanel Webmail (http)



cheaptextbooks.com
2095
cPanel Webmail (http)



cheaptextbooks.com
2096
cPanel Webmail (https)



cheaptextbooks.com
2096
cPanel Webmail (https)



cheaptextbooks.com
3306
mySql



cheaptextbooks.com
3306
mySql



cheaptextbooks.com
5224
Plesk Licensing



cheaptextbooks.com
5224
Plesk Licensing



cheaptextbooks.com
5432
PostgreSQL



cheaptextbooks.com
5432
PostgreSQL



cheaptextbooks.com
8080
Ookla Speedtest (http)



cheaptextbooks.com
8080
Ookla Speedtest (http)



cheaptextbooks.com
8080
Ookla Speedtest (https)



cheaptextbooks.com
8080
Ookla Speedtest (https)



cheaptextbooks.com
8083
VestaCP http



cheaptextbooks.com
8083
VestaCP http



cheaptextbooks.com
8083
VestaCP https



cheaptextbooks.com
8083
VestaCP https



cheaptextbooks.com
8443
Plesk Administration (https)



cheaptextbooks.com
8443
Plesk Administration (https)



cheaptextbooks.com
8447
Plesk Installer + Updates



cheaptextbooks.com
8447
Plesk Installer + Updates



cheaptextbooks.com
8880
Plesk Administration (http)



cheaptextbooks.com
8880
Plesk Administration (http)



cheaptextbooks.com
10000
Webmin (http)



cheaptextbooks.com
10000
Webmin (http)



cheaptextbooks.com
10000
Webmin (https)



cheaptextbooks.com
10000
Webmin (https)



www.cheaptextbooks.com
21
FTP



www.cheaptextbooks.com
21
FTP



www.cheaptextbooks.com
22
SSH
open
SSH-2.0-OpenSSH_7.2p2 Ubuntu-4ubuntu2.8

www.cheaptextbooks.com
22
SSH
open
SSH-2.0-OpenSSH_7.2p2 Ubuntu-4ubuntu2.8

www.cheaptextbooks.com
25
SMTP



www.cheaptextbooks.com
25
SMTP



www.cheaptextbooks.com
53
DNS



www.cheaptextbooks.com
53
DNS



www.cheaptextbooks.com
110
POP3



www.cheaptextbooks.com
110
POP3



www.cheaptextbooks.com
143
IMAP



www.cheaptextbooks.com
143
IMAP



www.cheaptextbooks.com
465
SMTP (encrypted)



www.cheaptextbooks.com
465
SMTP (encrypted)



www.cheaptextbooks.com
587
SMTP (encrypted, submission)



www.cheaptextbooks.com
587
SMTP (encrypted, submission)



www.cheaptextbooks.com
993
IMAP (encrypted)



www.cheaptextbooks.com
993
IMAP (encrypted)



www.cheaptextbooks.com
995
POP3 (encrypted)



www.cheaptextbooks.com
995
POP3 (encrypted)



www.cheaptextbooks.com
1433
MS SQL



www.cheaptextbooks.com
1433
MS SQL



www.cheaptextbooks.com
2082
cPanel (http)



www.cheaptextbooks.com
2082
cPanel (http)



www.cheaptextbooks.com
2083
cPanel (https)



www.cheaptextbooks.com
2083
cPanel (https)



www.cheaptextbooks.com
2086
WHM (http)



www.cheaptextbooks.com
2086
WHM (http)



www.cheaptextbooks.com
2087
WHM SSL



www.cheaptextbooks.com
2087
WHM SSL



www.cheaptextbooks.com
2089
cPanel Licensing



www.cheaptextbooks.com
2089
cPanel Licensing



www.cheaptextbooks.com
2095
cPanel Webmail (http)



www.cheaptextbooks.com
2095
cPanel Webmail (http)



www.cheaptextbooks.com
2096
cPanel Webmail (https)



www.cheaptextbooks.com
2096
cPanel Webmail (https)



www.cheaptextbooks.com
3306
mySql



www.cheaptextbooks.com
3306
mySql



www.cheaptextbooks.com
5224
Plesk Licensing



www.cheaptextbooks.com
5224
Plesk Licensing



www.cheaptextbooks.com
5432
PostgreSQL



www.cheaptextbooks.com
5432
PostgreSQL



www.cheaptextbooks.com
8080
Ookla Speedtest (http)



www.cheaptextbooks.com
8080
Ookla Speedtest (http)



www.cheaptextbooks.com
8080
Ookla Speedtest (https)



www.cheaptextbooks.com
8080
Ookla Speedtest (https)



www.cheaptextbooks.com
8083
VestaCP http



www.cheaptextbooks.com
8083
VestaCP http



www.cheaptextbooks.com
8083
VestaCP https



www.cheaptextbooks.com
8083
VestaCP https



www.cheaptextbooks.com
8443
Plesk Administration (https)



www.cheaptextbooks.com
8443
Plesk Administration (https)



www.cheaptextbooks.com
8447
Plesk Installer + Updates



www.cheaptextbooks.com
8447
Plesk Installer + Updates



www.cheaptextbooks.com
8880
Plesk Administration (http)



www.cheaptextbooks.com
8880
Plesk Administration (http)



www.cheaptextbooks.com
10000
Webmin (http)



www.cheaptextbooks.com
10000
Webmin (http)



www.cheaptextbooks.com
10000
Webmin (https)



www.cheaptextbooks.com
10000
Webmin (https)



104.236.3.238
21
FTP



104.236.3.238
21
FTP



104.236.3.238
22
SSH
open
SSH-2.0-OpenSSH_7.2p2 Ubuntu-4ubuntu2.8

104.236.3.238
22
SSH
open
SSH-2.0-OpenSSH_7.2p2 Ubuntu-4ubuntu2.8

104.236.3.238
25
SMTP



104.236.3.238
25
SMTP



104.236.3.238
53
DNS



104.236.3.238
53
DNS



104.236.3.238
110
POP3



104.236.3.238
110
POP3



104.236.3.238
143
IMAP



104.236.3.238
143
IMAP



104.236.3.238
465
SMTP (encrypted)



104.236.3.238
465
SMTP (encrypted)



104.236.3.238
587
SMTP (encrypted, submission)



104.236.3.238
587
SMTP (encrypted, submission)



104.236.3.238
993
IMAP (encrypted)



104.236.3.238
993
IMAP (encrypted)



104.236.3.238
995
POP3 (encrypted)



104.236.3.238
995
POP3 (encrypted)



104.236.3.238
1433
MS SQL



104.236.3.238
1433
MS SQL



104.236.3.238
2082
cPanel (http)



104.236.3.238
2082
cPanel (http)



104.236.3.238
2083
cPanel (https)



104.236.3.238
2083
cPanel (https)



104.236.3.238
2086
WHM (http)



104.236.3.238
2086
WHM (http)



104.236.3.238
2087
WHM SSL



104.236.3.238
2087
WHM SSL



104.236.3.238
2089
cPanel Licensing



104.236.3.238
2089
cPanel Licensing



104.236.3.238
2095
cPanel Webmail (http)



104.236.3.238
2095
cPanel Webmail (http)



104.236.3.238
2096
cPanel Webmail (https)



104.236.3.238
2096
cPanel Webmail (https)



104.236.3.238
3306
mySql



104.236.3.238
3306
mySql



104.236.3.238
5224
Plesk Licensing



104.236.3.238
5224
Plesk Licensing



104.236.3.238
5432
PostgreSQL



104.236.3.238
5432
PostgreSQL



104.236.3.238
8080
Ookla Speedtest (http)



104.236.3.238
8080
Ookla Speedtest (http)



104.236.3.238
8080
Ookla Speedtest (https)



104.236.3.238
8080
Ookla Speedtest (https)



104.236.3.238
8083
VestaCP http



104.236.3.238
8083
VestaCP http



104.236.3.238
8083
VestaCP https



104.236.3.238
8083
VestaCP https



104.236.3.238
8443
Plesk Administration (https)



104.236.3.238
8443
Plesk Administration (https)



104.236.3.238
8447
Plesk Installer + Updates



104.236.3.238
8447
Plesk Installer + Updates



104.236.3.238
8880
Plesk Administration (http)



104.236.3.238
8880
Plesk Administration (http)



104.236.3.238
10000
Webmin (http)



104.236.3.238
10000
Webmin (http)



104.236.3.238
10000
Webmin (https)



104.236.3.238
10000
Webmin (https)





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