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Checked:
01.07.2019 00:29:30

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1. IP-Addresses

Host	Type	IP-Address	is auth.	∑ Queries	∑ Timeout
learn.cybertoa.com	A	54.149.40.206 Portland/Oregon/United States (US) - Amazon.com, Inc. Hostname: ec2-54-149-40-206.us-west-2.compute.amazonaws.com	yes	1	0
	AAAA		yes
www.learn.cybertoa.com		Name Error	yes	1	0

2. DNSSEC

Zone (*)	DNSSEC - Informations

Zone: (root)
(root)	1 DS RR published


	• Status: Valid because published


	3 DNSKEY RR found


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


	Public Key with Algorithm 8, KeyTag 25266, Flags 256


	Public Key with Algorithm 8, KeyTag 59944, Flags 256


	1 RRSIG RR to validate DNSKEY RR found


	RRSIG-Owner (root), Algorithm: 8, 0 Labels, original TTL: 172800 sec, Signature-expiration: 11.07.2019, 00:00:00 +, Signature-Inception: 20.06.2019, 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

Zone: com
com	1 DS RR in the parent zone found


	1 RRSIG RR to validate DS RR found


	RRSIG-Owner com., Algorithm: 8, 1 Labels, original TTL: 86400 sec, Signature-expiration: 13.07.2019, 17:00:00 +, Signature-Inception: 30.06.2019, 16:00:00 +, KeyTag 25266, Signer-Name: (root)


	• Status: Good - Algorithmus 8 and DNSKEY with KeyTag 25266 used to validate the DS RRSet in the parent zone


	2 DNSKEY RR found


	Public Key with Algorithm 8, KeyTag 3800, Flags 256


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


	1 RRSIG RR to validate DNSKEY RR found


	RRSIG-Owner com., Algorithm: 8, 1 Labels, original TTL: 86400 sec, Signature-expiration: 06.07.2019, 18:25:33 +, Signature-Inception: 21.06.2019, 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

Zone: cybertoa.com
cybertoa.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 query name "oagrobae76qdq5s08upa896krrjos90n" between the hashed NSEC3-owner "oagqt3j6fo4ej632m9ipbgts7r9m9ed8" and the hashed NextOwner "oagt19u0vd21s2d3ki042r71oqcm8l56". So the parent zone confirmes the not-existence of a DS RR. Bitmap: NS, DS, RRSIG Validated: RRSIG-Owner oagqt3j6fo4ej632m9ipbgts7r9m9ed8.com., Algorithm: 8, 2 Labels, original TTL: 86400 sec, Signature-expiration: 04.07.2019, 04:35:50 +, Signature-Inception: 27.06.2019, 03:25:50 +, KeyTag 3800, Signer-Name: com


	0 DNSKEY RR found




Zone: learn.cybertoa.com
learn.cybertoa.com	0 DS RR in the parent zone found


	0 DNSKEY RR found




Zone: www.learn.cybertoa.com
www.learn.cybertoa.com	0 DS RR in the parent zone found

3. Name Servers

Domain	Nameserver	NS-IP
www.learn.cybertoa.com	• ns75.domaincontrol.com
learn.cybertoa.com	• ns75.domaincontrol.com / p21	97.74.107.48 Scottsdale/Arizona/United States (US) - GoDaddy.com, LLC	•
	•	2603:5:21b4::30 Scottsdale/Arizona/United States (US) - GoDaddy.com	•
cybertoa.com	• ns75.domaincontrol.com / p23		•
	• ns76.domaincontrol.com / p12		•
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
Zone-Name:
Primary:	a.gtld-servers.net
Mail:	nstld.verisign-grs.com
Serial:	1561933741
Refresh:	1800
Retry:	900
Expire:	604800
TTL:	86400
num Entries:	2

Domain:	com
Zone-Name:
Primary:	a.gtld-servers.net
Mail:	nstld.verisign-grs.com
Serial:	1561933756
Refresh:	1800
Retry:	900
Expire:	604800
TTL:	86400
num Entries:	11

Domain:	cybertoa.com
Zone-Name:
Primary:	ns75.domaincontrol.com
Mail:	dns.jomax.net
Serial:	2019061901
Refresh:	28800
Retry:	7200
Expire:	604800
TTL:	600
num Entries:	2

Domain:	learn.cybertoa.com
Zone-Name:
Primary:	ns75.domaincontrol.com
Mail:	dns.jomax.net
Serial:	2019061901
Refresh:	28800
Retry:	7200
Expire:	604800
TTL:	600
num Entries:	2

Domain:	www.learn.cybertoa.com
Zone-Name:
Primary:
Mail:
Serial:
Refresh:
Retry:
Expire:
TTL:
num Entries:	1

5. Screenshots

No Screenshot listed, because no screenshot found. Perhaps the check is too old, the feature startet 2019-12-23.

6. Url-Checks

show header:

Domainname	Http-Status	redirect	Sec.	G
• http://learn.cybertoa.com/ 54.149.40.206	302	https://learn.cybertoa.com/	0.340	A
Date: Sun, 30 Jun 2019 22:30:00 GMT
Server: Apache
X-Frame-Options: SAMEORIGIN
X-Content-Type-Options: nosniff
Location: https://learn.cybertoa.com/
Content-Length: 211
Connection: close
Content-Type: text/html; charset=iso-8859-1

• https://learn.cybertoa.com/ 54.149.40.206	200		2.074	A
Date: Sun, 30 Jun 2019 22:30:01 GMT
Server: Apache
X-Powered-By: PHP/7.2.17
Link: <https://learn.cybertoa.com/wp-json/>; rel="https://api.w.org/"
X-Frame-Options: SAMEORIGIN
X-Content-Type-Options: nosniff
X-Mod-Pagespeed: 1.13.35.2-0
Vary: Accept-Encoding
X-XSS-Protection: 1; mode=block
X-DNS-Prefetch-Control: on
Strict-Transport-Security: max-age=31536000
Referrer-Policy: strict-origin
Expect-CT: max-age=31536000, enforce, report-uri="learn.cybertoa.com"
Cache-Control: max-age=0, no-cache, s-maxage=10
Content-Length: 25664
Connection: close
Content-Type: text/html; charset=UTF-8

• http://learn.cybertoa.com/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de 54.149.40.206	404		0.347	A
Not Found
Visible Content:
Date: Sun, 30 Jun 2019 22:30:03 GMT
Server: Apache
X-Frame-Options: SAMEORIGIN
X-Content-Type-Options: nosniff
Content-Length: 267
Connection: close
Content-Type: text/html; charset=iso-8859-1

7. Comments

	1. General Results, most used to calculate the result
A	name "learn.cybertoa.com" is subdomain, public suffix is "com", top-level-domain-type is "generic", tld-manager is "VeriSign Global Registry Services"
A	Good: All ip addresses are public addresses
A	Good: No asked Authoritative Name Server had a timeout
A	DNS: "Name Error" means: No www-dns-entry defined. This isn't a problem
A	Good: destination is https
A	Good - only one version with Http-Status 200
A	Good: one preferred version: non-www is preferred
A	Good: every https has a Strict Transport Security Header
A	Good: HSTS max-age is long enough, 31536000 seconds = 365 days
A	Good: All urls with http status 200/404 have a complete Content-Type header (MediaType / MediaSubType + correct charset)
A	http://learn.cybertoa.com/ 54.149.40.206	302	https://learn.cybertoa.com/	Correct redirect http - https with the same domain name
	2. Header-Checks (Cross-Origin-* headers are alpha - started 2024-06-05)
	3. DNS- and NameServer - Checks
A	Good: Nameserver supports TCP connections: 2 good Nameserver
A	Good: Nameserver supports Echo Capitalization: 2 good Nameserver
A	Good: Nameserver supports EDNS with max. 512 Byte Udp payload, message is smaller: 2 good Nameserver
A	Good: Nameserver has passed 10 EDNS-Checks (OP100, FLAGS, V1, V1OP100, V1FLAGS, DNSSEC, V1DNSSEC, NSID, COOKIE, CLIENTSUBNET): 2 good Nameserver
	Nameserver doesn't pass all EDNS-Checks: ns75.domaincontrol.com: OP100: no result. FLAGS: no result. V1: no result. V1OP100: no result. V1FLAGS: no result. DNSSEC: no result. V1DNSSEC: no result. NSID: no result. COOKIE: no result. CLIENTSUBNET: no result.
A	Good: 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 to learn some basics about the idea of CAA. Your name server must support such an entry. Not all dns providers support CAA entries.
	4. Content- and Performance-critical Checks
A	Good: 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, that's ok, Letsencrypt follows such redirects to port 80 / 443 (same or other server). There must be a certificate. But the certificate may be expired, self signed or with a not matching domain name. Checking the validation file Letsencrypt ignores such certificate errors. Trouble creating a certificate? Use https://community.letsencrypt.org/ to ask.
A	Good: 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
A	Duration: 60493 milliseconds, 60.493 seconds

8. Connections

Domain

Port

Cert.

Protocol

KeyExchange

Strength

Cipher

Strength

HashAlgorithm

OCSP stapling

Domain/KeyExchange

IP/Strength

Port/Cipher

Cert./Strength

Protocol/HashAlgorithm

OCSP stapling

learn.cybertoa.com

54.149.40.206

443

Tls12

ECDH Ephermal

256

Aes256

256

Sha384

error checking OCSP stapling

learn.cybertoa.com

54.149.40.206

443

Tls12

ECDH Ephermal

256

Aes256

256

Sha384

error checking OCSP stapling

no Tls.1.2
no Tls.1.1
no Tls.1.0

Chain - incomplete	1	CN=learn.cybertoa.com
	2	CN=Let's Encrypt Authority X3, O=Let's Encrypt, C=US

9. Certificates

CN=learn.cybertoa.com

20.06.2019

18.09.2019
1904 days expired

learn.cybertoa.com - 1 entry

CN=learn.cybertoa.com

20.06.2019

18.09.2019
1904 days expired

learn.cybertoa.com - 1 entry

Keyalgorithm	EC Public Key (384 bit, secp384r1)
Signatur:	SHA256 With RSA-Encryption
Serial Number:	03321D94AAD0148E636729D8C307048E271D
Thumbprint:	B3675315E65490334E944AFAF02A9976FB457AF5
SHA256 / Certificate:	V2xIddqRMbZCoeFySEgfSVuLxhsFLMHTyy/AOzKqiUQ=
SHA256 hex / Cert (DANE * 0 1):	e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA256 hex / PublicKey (DANE * 1 1):	fa6fe00048b99c77d1aa1c9ea8a0591c2a8e723f26290d5da52746a2a579024b
SHA256 hex / Subject Public Key Information (SPKI):	fa6fe00048b99c77d1aa1c9ea8a0591c2a8e723f26290d5da52746a2a579024b
SPKI checked via https://v1.pwnedkeys.com/spki-hash:	Good: Key isn't compromised
OCSP - Url:	http://ocsp.int-x3.letsencrypt.org
OCSP - must staple:	no
Certificate Transparency:	yes
Enhanced Key Usage:	Server Authentication (1.3.6.1.5.5.7.3.1), Client Authentication (1.3.6.1.5.5.7.3.2)

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

17.03.2016

17.03.2021
1358 days expired

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

17.03.2016

17.03.2021
1358 days expired

Keyalgorithm	RSA 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
SHA256 hex / Subject Public Key Information (SPKI):	60b87575447dcba2a36b7d11ac09fb24a9db406fee12d2cc90180517616e8a18
SPKI checked via https://v1.pwnedkeys.com/spki-hash:	Good: Key isn't compromised
OCSP - Url:	http://isrg.trustid.ocsp.identrust.com
OCSP - must staple:	no
Certificate Transparency:	no
Enhanced Key Usage:

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

30.09.2000

30.09.2021
1161 days expired

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

30.09.2000

30.09.2021
1161 days expired

Keyalgorithm	RSA 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
SHA256 hex / Subject Public Key Information (SPKI):	563b3caf8cfef34c2335caf560a7a95906e8488462eb75ac59784830df9e5b2b
SPKI checked via https://v1.pwnedkeys.com/spki-hash:	Good: Key isn't compromised
OCSP - Url:
OCSP - must staple:	no
Certificate Transparency:	no
Enhanced Key Usage:

10. Last Certificates - Certificate Transparency Log Check

1. Source CertSpotter - active certificates (one check per day)

Small Code Update - wait one minute

2. Source crt.sh - old and new certificates, sometimes very slow - only certificates with "not after" > of the last months are listed

No CRT - CT-Log entries found

11. Html-Content - Entries

Summary

No data found or small Code-update

Details

Small Code Update - wait one minute

12. Html-Parsing via https://validator.nu/ / https://validator.w3.org/nu/ (started 2024-09-28, 09:00, alpha)

Unfortunately, there are differences between the first used validator.nu and validator.w3.org/nu/ - switched to validator.w3.org/nu/. Looks like some error messages (link - fetchpriority attribute) of validator.nu are obsolete, not seen in the w3.org-version and not found in the current specification: link may have a fetchpriority attribute.

Small Code update, wait one minute

13. Nameserver - IP-Adresses

Required Root-climbing DNS-Queries to find ip addresses of all Name Servers:

No NameServer - IP address informations found. The feature is new (2020-05-07), so recheck this domain.

14. CAA - Entries

Domainname	Value	∑ Queries
learn.cybertoa.com	no CAA entry found	1
cybertoa.com	no CAA entry found	1
com	no CAA entry found	1

15. TXT - Entries

Domainname	TXT Entry	Status	∑ Queries
cybertoa.com	C7YKS6E0GN8QY13PG0DI8P38F3YG4QR5N0SWA55K	ok	1
cybertoa.com	v=spf1 include:spf.protection.outlook.com -all	ok	1
learn.cybertoa.com		ok	1
_acme-challenge.learn.cybertoa.com		Name Error - The domain name does not exist	1
_acme-challenge.learn.cybertoa.com.cybertoa.com		Name Error - The domain name does not exist	1
_acme-challenge.learn.cybertoa.com.learn.cybertoa.com		Name Error - The domain name does not exist	1

16. DomainService - Entries

No DomainServiceEntries entries found

17. Cipher Suites

No Ciphers found

18. Portchecks

No Port informations found. The feature is new (startet 2019-07-09), so recheck this domain.

Permalink: https://check-your-website.server-daten.de/?i=00a7cb39-e5e0-458d-8d1b-76958ec2e09f

Last Result: https://check-your-website.server-daten.de/?q=learn.cybertoa.com - 2019-07-01 00:29:30

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