Check DNS, Urls + Redirects, Certificates and Content of your Website




Q

http sent over port 443

Checked:
26.05.2023 08:22:04


Older results

No older results found


1. IP-Addresses

HostTypeIP-Addressis auth.∑ Queries∑ Timeout
api.bebook.vn
A
18.140.165.202
Singapore/Central Singapore/Singapore (SG) - Amazon.com, Inc.
Hostname: ec2-18-140-165-202.ap-southeast-1.compute.amazonaws.com
yes
4
3

AAAA

yes


www.api.bebook.vn

Name Error
yes
1
0
*.bebook.vn
A
Name Error
yes



AAAA
Name Error
yes



CNAME
Name Error
yes


*.api.bebook.vn
A
Name Error
yes



AAAA
Name Error
yes



CNAME
Name Error
yes



2. DNSSEC

Zone (*)DNSSEC - Informations

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



DS with Algorithm 8, KeyTag 20326, DigestType 2 and Digest 4G1EuAuPHTmpXAsNfGXQhFjogECbvGg0VxBCN8f47I0=



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 60955, Flags 256



1 RRSIG RR to validate DNSKEY RR found



RRSIG-Owner (root), Algorithm: 8, 0 Labels, original TTL: 172800 sec, Signature-expiration: 11.06.2023, 00:00:00 +, Signature-Inception: 21.05.2023, 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: vn
vn
2 DS RR in the parent zone found



DS with Algorithm 8, KeyTag 3260, DigestType 1 and Digest kTxlK0AG3qwEW5RfT/y8EGVkVCE=



DS with Algorithm 8, KeyTag 3260, DigestType 2 and Digest WljBmvJmB3/+FsJmiBJ5b6gZNmGvVp286xd/kRteYWc=



1 RRSIG RR to validate DS RR found



RRSIG-Owner vn., Algorithm: 8, 1 Labels, original TTL: 86400 sec, Signature-expiration: 08.06.2023, 05:00:00 +, Signature-Inception: 26.05.2023, 04:00:00 +, KeyTag 60955, Signer-Name: (root)



Status: Good - Algorithmus 8 and DNSKEY with KeyTag 60955 used to validate the DS RRSet in the parent zone



2 DNSKEY RR found



Public Key with Algorithm 8, KeyTag 3260, Flags 257 (SEP = Secure Entry Point)



Public Key with Algorithm 8, KeyTag 21051, Flags 256



2 RRSIG RR to validate DNSKEY RR found



RRSIG-Owner vn., Algorithm: 8, 1 Labels, original TTL: 43200 sec, Signature-expiration: 05.06.2023, 16:59:09 +, Signature-Inception: 06.05.2023, 16:41:42 +, KeyTag 3260, Signer-Name: vn



RRSIG-Owner vn., Algorithm: 8, 1 Labels, original TTL: 43200 sec, Signature-expiration: 05.06.2023, 16:59:09 +, Signature-Inception: 06.05.2023, 16:41:42 +, KeyTag 21051, Signer-Name: vn



Status: Good - Algorithmus 8 and DNSKEY with KeyTag 3260 used to validate the DNSKEY RRSet



Status: Good - Algorithmus 8 and DNSKEY with KeyTag 21051 used to validate the DNSKEY RRSet



Status: Valid Chain of trust. Parent-DS with Algorithm 8, KeyTag 3260, DigestType 1 and Digest "kTxlK0AG3qwEW5RfT/y8EGVkVCE=" validates local Key with the same values, Key ist Secure Entry Point (SEP) of the zone



Status: Valid Chain of trust. Parent-DS with Algorithm 8, KeyTag 3260, DigestType 2 and Digest "WljBmvJmB3/+FsJmiBJ5b6gZNmGvVp286xd/kRteYWc=" validates local Key with the same values, Key ist Secure Entry Point (SEP) of the zone

Zone: bebook.vn
bebook.vn
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 "1tn46dunsv783ias2lvvettrelnavid1" between the hashed NSEC3-owner "1tmce5iepormo52bo4co74foai2h1emn" and the hashed NextOwner "1tp26n6s9tnrc50ai12j5p5fv7stf4qv". So the parent zone confirmes the not-existence of a DS RR.
Bitmap: NS, DS, RRSIG Validated: RRSIG-Owner 1tmce5iepormo52bo4co74foai2h1emn.vn., Algorithm: 8, 2 Labels, original TTL: 5400 sec, Signature-expiration: 25.06.2023, 05:47:00 +, Signature-Inception: 26.05.2023, 04:47:00 +, KeyTag 21051, Signer-Name: vn



DS-Query in the parent zone sends valid NSEC3 RR with the Hash "vb8hcp5tj2c2f9me3q5pdeh49jr1ukd1" as Owner. That's the Hash of "vn" with the NextHashedOwnerName "vbj3i4cvq327pq11f02b3rkv7fmfc4r3". So that domain name is the Closest Encloser of "bebook.vn". Opt-Out: True.
Bitmap: NS, SOA, RRSIG, DNSKEY, NSEC3PARAM Validated: RRSIG-Owner vb8hcp5tj2c2f9me3q5pdeh49jr1ukd1.vn., Algorithm: 8, 2 Labels, original TTL: 5400 sec, Signature-expiration: 19.06.2023, 17:41:01 +, Signature-Inception: 20.05.2023, 16:54:18 +, KeyTag 21051, Signer-Name: vn



0 DNSKEY RR found




Zone: api.bebook.vn
api.bebook.vn
0 DS RR in the parent zone found



0 DNSKEY RR found




Zone: www.api.bebook.vn
www.api.bebook.vn
0 DS RR in the parent zone found


3. Name Servers

DomainNameserverNS-IP
www.api.bebook.vn
  ns1.zonedns.vn

api.bebook.vn
  ns1.zonedns.vn
125.212.225.141
Hanoi/Vietnam (VN) - Viettel Corporation


 
2401:5f80:2001:5::a
Hanoi/Vietnam (VN) - VTDC

bebook.vn
  ns1.zonedns.vn
125.212.225.141
Hanoi/Vietnam (VN) - Viettel Corporation


 
2401:5f80:2001:5::a
Hanoi/Vietnam (VN) - VTDC


  ns2.zonedns.vn
103.176.178.51
Đống Đa District/Hanoi/Vietnam (VN) - NINETECH


T 
2401:5f80:2001:5::a
Hanoi/Vietnam (VN) - VTDC


  ns3.zonedns.vn
103.28.36.30
Hanoi/Vietnam (VN) - NhanHoa Software Company


 
2001:df1:3200::15
Hanoi/Vietnam (VN) - NhanHoa Software company


  ns4.zonedns.vn
103.28.39.159
Hanoi/Vietnam (VN) - NhanHoa Software Company


 
2001:df1:3200::15
Hanoi/Vietnam (VN) - NhanHoa Software company

vn
  a.dns-servers.vn


  b.dns-servers.vn


  c.dns-servers.vn


  d.dns-servers.vn


  dns-master.vnnic.vn


T  e.dns-servers.vn


  f.dns-servers.vn


  g.dns-servers.vn / 2.ber.pch


  h.dns-servers.vn


4. SOA-Entries


Domain:vn
Zone-Name:
Primary:
Mail:
Serial:
Refresh:
Retry:
Expire:
TTL:
num Entries:1


Domain:vn
Zone-Name:vn
Primary:dns-master.vnnic.vn
Mail:postmaster.vnnic.vn
Serial:2026373300
Refresh:3600
Retry:1800
Expire:604800
TTL:5400
num Entries:1


Domain:vn
Zone-Name:vn
Primary:dns-master.vnnic.vn
Mail:postmaster.vnnic.vn
Serial:2026373300
Refresh:3600
Retry:1800
Expire:604800
TTL:5400
num Entries:1


Domain:vn
Zone-Name:vn
Primary:dns-master.vnnic.vn
Mail:postmaster.vnnic.vn
Serial:2026373332
Refresh:3600
Retry:1800
Expire:604800
TTL:5400
num Entries:1


Domain:vn
Zone-Name:vn
Primary:dns-master.vnnic.vn
Mail:postmaster.vnnic.vn
Serial:2026373332
Refresh:3600
Retry:1800
Expire:604800
TTL:5400
num Entries:1


Domain:vn
Zone-Name:vn
Primary:dns-master.vnnic.vn
Mail:postmaster.vnnic.vn
Serial:2026373337
Refresh:3600
Retry:1800
Expire:604800
TTL:5400
num Entries:6


Domain:vn
Zone-Name:vn
Primary:dns-master.vnnic.vn
Mail:postmaster.vnnic.vn
Serial:2026373337
Refresh:3600
Retry:1800
Expire:604800
TTL:5400
num Entries:6


Domain:bebook.vn
Zone-Name:bebook.vn
Primary:ns1.zonedns.vn
Mail:root.bebook.vn
Serial:2023052201
Refresh:1200
Retry:600
Expire:1209600
TTL:3600
num Entries:8


Domain:api.bebook.vn
Zone-Name:bebook.vn
Primary:ns1.zonedns.vn
Mail:root.bebook.vn
Serial:2023052201
Refresh:1200
Retry:600
Expire:1209600
TTL:3600
num Entries:2


Domain:www.api.bebook.vn
Zone-Name:
Primary:
Mail:
Serial:
Refresh:
Retry:
Expire:
TTL:
num Entries:1


5. Screenshots

No Screenshot listed, because no url-check with https + http status 200-299, 400-599 + not-ACME-check found.

6. Url-Checks


:

:
DomainnameHttp-StatusredirectSec.G
• http://api.bebook.vn/
18.140.165.202 GZip used - 3121 / 10671 - 70.75 %
200

Html is minified: 213.76 %
0.414
H
Date: Fri, 26 May 2023 06:26:59 GMT
Server: Apache/2.4.52 (Ubuntu)
Last-Modified: Fri, 19 May 2023 04:21:24 GMT
ETag: "29af-5fc0440febee1-gzip"
Accept-Ranges: bytes
Vary: Accept-Encoding
Content-Encoding: gzip
Content-Length: 3121
Connection: close
Content-Type: text/html

• https://api.bebook.vn/
18.140.165.202
-4

0.847
W
SendFailure - The underlying connection was closed: An unexpected error occurred on a send.

• http://api.bebook.vn:443/
18.140.165.202 GZip used - 3121 / 10671 - 70.75 %
200

Html is minified: 213.76 %
0.407
Q
Visible Content: Apache2 Default Page It works! This is the default welcome page used to test the correct operation of the Apache2 server after installation on Ubuntu systems. It is based on the equivalent page on Debian, from which the Ubuntu Apache packaging is derived. If you can read this page, it means that the Apache HTTP server installed at this site is working properly. You should replace this file (located at /var/www/html/index.html ) before continuing to operate your HTTP server. If you are a normal user of this web site and don't know what this page is about, this probably means that the site is currently unavailable due to maintenance. If the problem persists, please contact the site's administrator. Configuration Overview Ubuntu's Apache2 default configuration is different from the upstream default configuration, and split into several files optimized for interaction with Ubuntu tools. The configuration system is fully documented in /usr/share/doc/apache2/README.Debian.gz . Refer to this for the full documentation. Documentation for the web server itself can be found by accessing the manual if the apache2-doc package was installed on this server. The configuration layout for an Apache2 web server installation on Ubuntu systems is as follows: /etc/apache2/ |-- apache2.conf | `-- ports.conf |-- mods-enabled | |-- *.load | `-- *.conf |-- conf-enabled | `-- *.conf |-- sites-enabled | `-- *.conf apache2.conf is the main configuration file. It puts the pieces together by including all remaining configuration files when starting up the web server. ports.conf is always included from the main configuration file. It is used to determine the listening ports for incoming connections, and this file can be customized anytime. Configuration files in the mods-enabled/ , conf-enabled/ and sites-enabled/ directories contain particular configuration snippets which manage modules, global configuration fragments, or virtual host configurations, respectively. They are activated by symlinking available configuration files from their respective *-available/ counterparts. These should be managed by using our helpers a2enmod, a2dismod, a2ensite, a2dissite, and a2enconf, a2disconf . See their respective man pages for detailed information. The binary is called apache2 and is managed using systemd, so to start/stop the service use systemctl start apache2 and systemctl stop apache2 , and use systemctl status apache2 and journalctl -u apache2 to check status. system and apache2ctl can also be used for service management if desired. Calling /usr/bin/apache2 directly will not work with the default configuration. Document Roots By default, Ubuntu does not allow access through the web browser to any file outside of those located in /var/www , public_html directories (when enabled) and /usr/share (for web applications). If your site is using a web document root located elsewhere (such as in /srv ) you may need to whitelist your document root directory in /etc/apache2/apache2.conf . The default Ubuntu document root is /var/www/html . You can make your own virtual hosts under /var/www. Reporting Problems Please use the ubuntu-bug tool to report bugs in the Apache2 package with Ubuntu. However, check existing bug reports before reporting a new bug. Please report bugs specific to modules (such as PHP and others) to their respective packages, not to the web server itself.
Date: Fri, 26 May 2023 06:27:01 GMT
Server: Apache/2.4.52 (Ubuntu)
Last-Modified: Fri, 19 May 2023 04:21:24 GMT
ETag: "29af-5fc0440febee1-gzip"
Accept-Ranges: bytes
Vary: Accept-Encoding
Content-Encoding: gzip
Content-Length: 3121
Connection: close
Content-Type: text/html

• http://api.bebook.vn/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de
18.140.165.202
Inline-JavaScript (∑/total): 0/0 Inline-CSS (∑/total): 0/0
404

Html is minified: 100.00 %
0.407
A
Not Found
Visible Content: Not Found The requested URL was not found on this server. Apache/2.4.52 (Ubuntu) Server at api.bebook.vn Port 80
Date: Fri, 26 May 2023 06:27:00 GMT
Server: Apache/2.4.52 (Ubuntu)
Content-Length: 275
Connection: close
Content-Type: text/html; charset=iso-8859-1

• https://18.140.165.202/
18.140.165.202
-4

0.850
W
SendFailure - The underlying connection was closed: An unexpected error occurred on a send.

7. Comments


1. General Results, most used to calculate the result

Aname "api.bebook.vn" is subdomain, public suffix is ".vn", top-level-domain is ".vn", top-level-domain-type is "country-code", Country is Viet Nam, tld-manager is "Ministry of Information and Communications of Socialist Republic of Viet Nam", num .vn-domains preloaded: 301 (complete: 221801)
AGood: All ip addresses are public addresses
Warning: Only one ip address found: api.bebook.vn has only one ip address.
Warning: No ipv6 address found. Ipv6 is the future with a lot of new features. So every domain name should have an ipv6 address. See https://en.wikipedia.org/wiki/IPv6: api.bebook.vn has no ipv6 address.
ADNS: "Name Error" means: No www-dns-entry defined. This isn't a problem
AGood: No cookie sent via http.
HSTS-Preload-Status: unknown. Domain never included in the Preload-list. Check https://hstspreload.org/ to learn some basics about the Google-Preload-List.
AGood: Some urls with http status 200/404 have a complete Content-Type header (MediaType / MediaSubType + correct charset):1 complete Content-Type - header (3 urls)
http://api.bebook.vn/ 18.140.165.202


Url with incomplete Content-Type - header - missing charset
http://api.bebook.vn:443/ 18.140.165.202


Url with incomplete Content-Type - header - missing charset
HFatal error: No https - result with http-status 200, no encryption
HFatal error: http result with http-status 200, no encryption. Add a redirect http ⇒ https, so every connection is secure. Perhaps in your port 80 vHost something like "RewriteEngine on" + "RewriteRule ^ https://%{SERVER_NAME}%{REQUEST_URI} [END,QSA,R=permanent]" (two rows, without the "). Don't add this in your port 443 vHost, that would create a loop.
Qhttp://api.bebook.vn:443/ 18.140.165.202
200

Misconfiguration: http sent over port 443. Wrong port forwarding port 443 to port 80 or wrong vHost definition. If you use a virtual Host <VirtualHost ip-address:443>, try <VirtualHost *:443>.
XFatal error: Nameserver doesn't support TCP connection: ns1.zonedns.vn / 2401:5f80:2001:5::a: Timeout
XFatal error: Nameserver doesn't support TCP connection: ns2.zonedns.vn / 2401:5f80:2001:5::a: Timeout
Info: Checking the ip addresses of that domain name not exact one certificate found. So it's impossible to check if that domain requires Server Name Indication (SNI).: Domain api.bebook.vn, 1 ip addresses.
BNo _mta-sts TXT record found (mta-sts: Mail Transfer Agent Strict Transport Security - see RFC 8461). Read the result of server-daten.de (Url-Checks, Comments, Connections and DomainServiceRecords) to see a complete definition. Domainname: _mta-sts.api.bebook.vn

2. Header-Checks

U

No https result with http status 2** or 4** (standard-check) found, no header checked.

3. DNS- and NameServer - Checks

AInfo:: 13 Root-climbing DNS Queries required to find all IPv4- and IPv6-Addresses of 4 Name Servers.
AInfo:: 13 Queries complete, 5 with IPv6, 8 with IPv4.
Warning: Only some DNS Queries done via ipv6. IPv6 is the future, so the name servers of your name servers should have ipv6 addresses.
Ok (4 - 8):: An average of 3.3 queries per domain name server required to find all ip addresses of all name servers.
AInfo:: 4 different Name Servers found: ns1.zonedns.vn, ns2.zonedns.vn, ns3.zonedns.vn, ns4.zonedns.vn, 4 Name Servers included in Delegation: ns1.zonedns.vn, ns2.zonedns.vn, ns3.zonedns.vn, ns4.zonedns.vn, 4 Name Servers included in 1 Zone definitions: ns1.zonedns.vn, ns2.zonedns.vn, ns3.zonedns.vn, ns4.zonedns.vn, 1 Name Servers listed in SOA.Primary: ns1.zonedns.vn.
AGood: Only one SOA.Primary Name Server found.: ns1.zonedns.vn.
AGood: SOA.Primary Name Server included in the delegation set.: ns1.zonedns.vn.
AGood: Consistency between delegation and zone. The set of NS records served by the authoritative name servers must match those proposed for the delegation in the parent zone. Ordered list of name servers: ns1.zonedns.vn, ns2.zonedns.vn, ns3.zonedns.vn, ns4.zonedns.vn
AGood: All Name Server Domain Names have a Public Suffix.
AGood: All Name Server Domain Names ending with a Public Suffix have minimal one IPv4- or IPv6 address.
AGood: All Name Server ip addresses are public.
AGood: Minimal 2 different name servers (public suffix and public ip address) found: 4 different Name Servers found
AGood: All name servers have ipv4- and ipv6-addresses.: 4 different Name Servers found
Warning: All Name Servers have the same Top Level Domain / Public Suffix. If there is a problem with that Top Level Domain, your domain may be affected. Better: Use Name Servers with different top level domains.: 4 Name Servers, 1 Top Level Domain: vn
Warning: All Name Servers have the same domain name. If there is a problem with that domain name (or with the name servers of that domain name), your domain may be affected. Better: Use Name Servers with different domain names / different top level domains.: Only one domain name used: zonedns.vn
Warning: All Name Servers from the same Country / IP location.: 4 Name Servers, 1 Countries: VN
AInfo: Ipv4-Subnet-list: 4 Name Servers, 2 different subnets (first Byte): 103., 125., 3 different subnets (first two Bytes): 103.176., 103.28., 125.212., 4 different subnets (first three Bytes): 103.176.178., 103.28.36., 103.28.39., 125.212.225.
AGood: Name Server IPv4-addresses from different subnet found:
AInfo: IPv6-Subnet-list: 4 Name Servers with IPv6, 2 different subnets (first block): 2001:, 2401:, 2 different subnets (first two blocks): 2001:0df1:, 2401:5f80:, 2 different subnets (first three blocks): 2001:0df1:3200:, 2401:5f80:2001:, 2 different subnets (first four blocks): 2001:0df1:3200:0000:, 2401:5f80:2001:0005:
AGood: Name Server IPv6 addresses from different subnets found.
AGood: Nameserver supports TCP connections: 2 good Nameserver
AGood: Nameserver supports Echo Capitalization: 2 good Nameserver
XNameserver Timeout checking Echo Capitalization: e.dns-servers.vn
XNameserver Timeout checking Echo Capitalization: ns2.zonedns.vn / 2401:5f80:2001:5::a
AGood: Nameserver supports EDNS with max. 512 Byte Udp payload, message is smaller: 2 good Nameserver
XNameserver Timeout checking EDNS512: ns2.zonedns.vn / 2401:5f80:2001:5::a
Nameserver doesn't pass all EDNS-Checks: dns-master.vnnic.vn: 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.
Nameserver doesn't pass all EDNS-Checks: h.dns-servers.vn: OP100: ok. FLAGS: ok. V1: ok. V1OP100: ok. V1FLAGS: ok. DNSSEC: ok. V1DNSSEC: ok. NSID: ok. COOKIE: ok. CLIENTSUBNET: ok.
Nameserver doesn't pass all EDNS-Checks: ns1.zonedns.vn: 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.
Nameserver doesn't pass all EDNS-Checks: ns1.zonedns.vn / 2401:5f80:2001:5::a: OP100: ok. FLAGS: ok. V1: ok. V1OP100: ok. V1FLAGS: ok. DNSSEC: fatal timeout. V1DNSSEC: ok. NSID: fatal timeout. COOKIE: ok. CLIENTSUBNET: ok.
Nameserver doesn't pass all EDNS-Checks: ns1.zonedns.vn / 2401:5f80:2001:5::a: OP100: ok. FLAGS: ok. V1: ok. V1OP100: ok. V1FLAGS: ok. DNSSEC: ok. V1DNSSEC: ok. NSID: ok. COOKIE: ok. CLIENTSUBNET: ok.
Nameserver doesn't pass all EDNS-Checks: ns2.zonedns.vn / 2401:5f80:2001:5::a: OP100: ok. FLAGS: fatal timeout. V1: fatal timeout. V1OP100: fatal timeout. V1FLAGS: ok. DNSSEC: ok. V1DNSSEC: ok. NSID: ok. 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 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

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, 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.
AInfo: No img element found, no alt attribute checked
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
ADuration: 318763 milliseconds, 318.763 seconds


8. Connections

No connection informations found. Perhaps only http - connections.


9. Certificates

No certificate informations found. Perhaps only http - connections.


10. Last Certificates - Certificate Transparency Log Check

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

Issuerlast 7 daysactivenum Certs
CN=Amazon RSA 2048 M01, O=Amazon, C=US
0
1
1
CN=Amazon RSA 2048 M02, O=Amazon, C=US
0
1
1

CertSpotter-IdIssuernot beforenot afterDomain namesLE-Duplicatenext LE
5230205660
precert
CN=Amazon RSA 2048 M02, O=Amazon, C=US
2023-05-15 00:00:00
2024-06-13 23:59:59
api.bebook.vn - 1 entries


5230405849
precert
CN=Amazon RSA 2048 M01, O=Amazon, C=US
2023-05-15 00:00:00
2024-06-13 23:59:59
api.bebook.vn - 1 entries



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

Issuerlast 7 daysactivenum Certs
CN=Amazon RSA 2048 M01, O=Amazon, C=US
0
1
1
CN=Amazon RSA 2048 M02, O=Amazon, C=US
0
1
1

CRT-IdIssuernot beforenot afterDomain namesLE-Duplicatenext LE
9391946678
precert
CN=Amazon RSA 2048 M02, O=Amazon, C=US
2023-05-14 22:00:00
2024-06-13 21:59:59
api.bebook.vn
1 entries


9392219147
precert
CN=Amazon RSA 2048 M01, O=Amazon, C=US
2023-05-14 22:00:00
2024-06-13 21:59:59
api.bebook.vn
1 entries



11. Html-Content - Entries

No Html-Content entries found. Only checked if https + status 200/401/403/404


12. Nameserver - IP-Adresses

Required Root-climbing DNS-Queries to find ip addresses of all Name Servers: ns1.zonedns.vn, ns2.zonedns.vn, ns3.zonedns.vn, ns4.zonedns.vn

QNr.DomainTypeNS used
1
vn
NS
k.root-servers.net (2001:7fd::1)

Answer: a.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn, d.dns-servers.vn, e.dns-servers.vn, f.dns-servers.vn, g.dns-servers.vn, h.dns-servers.vn
2
ns1.zonedns.vn
NS
a.dns-servers.vn (2001:678:4::12)

Answer: ns2001.zonedns.vn, ns2002.zonedns.vn, nsbk.zonedns.vn

Answer: ns2001.zonedns.vn
103.28.36.27

Answer: ns2002.zonedns.vn
103.28.36.26

Answer: nsbk.zonedns.vn
103.176.178.21
3
ns2.zonedns.vn
NS
a.dns-servers.vn (2001:678:4::12)

Answer: ns2001.zonedns.vn, ns2002.zonedns.vn, nsbk.zonedns.vn

Answer: ns2001.zonedns.vn
103.28.36.27

Answer: ns2002.zonedns.vn
103.28.36.26

Answer: nsbk.zonedns.vn
103.176.178.21
4
ns3.zonedns.vn
NS
a.dns-servers.vn (2001:678:4::12)

Answer: ns2001.zonedns.vn, ns2002.zonedns.vn, nsbk.zonedns.vn

Answer: ns2001.zonedns.vn
103.28.36.27

Answer: ns2002.zonedns.vn
103.28.36.26

Answer: nsbk.zonedns.vn
103.176.178.21
5
ns4.zonedns.vn
NS
a.dns-servers.vn (2001:678:4::12)

Answer: ns2001.zonedns.vn, ns2002.zonedns.vn, nsbk.zonedns.vn

Answer: ns2001.zonedns.vn
103.28.36.27

Answer: ns2002.zonedns.vn
103.28.36.26

Answer: nsbk.zonedns.vn
103.176.178.21
6
ns1.zonedns.vn: 125.212.225.141
A
ns2001.zonedns.vn (103.28.36.27)
7
ns1.zonedns.vn: 2401:5f80:2001:5::a
AAAA
ns2001.zonedns.vn (103.28.36.27)
8
ns2.zonedns.vn: 103.176.178.51
A
ns2001.zonedns.vn (103.28.36.27)
9
ns2.zonedns.vn: 2401:5f80:2001:5::a
AAAA
ns2001.zonedns.vn (103.28.36.27)
10
ns3.zonedns.vn: 103.28.36.30
A
ns2001.zonedns.vn (103.28.36.27)
11
ns3.zonedns.vn: 2001:df1:3200::15
AAAA
ns2001.zonedns.vn (103.28.36.27)
12
ns4.zonedns.vn: 103.28.39.159
A
ns2001.zonedns.vn (103.28.36.27)
13
ns4.zonedns.vn: 2001:df1:3200::15
AAAA
ns2001.zonedns.vn (103.28.36.27)


13. CAA - Entries

DomainnameflagNameValue∑ Queries∑ Timeout
api.bebook.vn
0

no CAA entry found
1
0
bebook.vn
0

no CAA entry found
4
3
vn
0

no CAA entry found
1
0


14. TXT - Entries

DomainnameTXT EntryStatus∑ Queries∑ Timeout
bebook.vn
v=spf1 mx ip4:45.117.81.212 include:spf.nhanhoa.com ~all
ok
2
1
api.bebook.vn

ok
1
0
_acme-challenge.api.bebook.vn

Name Error - The domain name does not exist
1
0
_acme-challenge.api.bebook.vn.bebook.vn

Name Error - The domain name does not exist
1
0
_acme-challenge.api.bebook.vn.api.bebook.vn

Name Error - The domain name does not exist
1
0


15. DomainService - Entries

No DomainServiceEntries entries found



16. Cipher Suites

No results


17. Portchecks

DomainIPPortDescriptionResultAnswer
api.bebook.vn
18.140.165.202
21
FTP



api.bebook.vn
18.140.165.202
21
FTP



api.bebook.vn
18.140.165.202
22
SSH
open
SSH-2.0-OpenSSH_8.9p1 Ubuntu-3ubuntu0.1

api.bebook.vn
18.140.165.202
22
SSH
open
SSH-2.0-OpenSSH_8.9p1 Ubuntu-3ubuntu0.1
Bad: SSH without DNS SSHFP Record found
Possible DNS SSHFP Entries:
api.bebook.vn IN SSHFP 3 2 273d623805342e992224f1b64ee947783611b55add0c2fa578dfd46ebfb2653b
api.bebook.vn IN SSHFP 4 2 81ac6e246e887b4fab72116f73fe6a4699095d2a2736f31a8726094e92898c96
api.bebook.vn
18.140.165.202
25
SMTP



api.bebook.vn
18.140.165.202
25
SMTP



api.bebook.vn
18.140.165.202
53
DNS



api.bebook.vn
18.140.165.202
53
DNS



api.bebook.vn
18.140.165.202
110
POP3



api.bebook.vn
18.140.165.202
110
POP3



api.bebook.vn
18.140.165.202
143
IMAP



api.bebook.vn
18.140.165.202
143
IMAP



api.bebook.vn
18.140.165.202
465
SMTP (encrypted)



api.bebook.vn
18.140.165.202
465
SMTP (encrypted)



api.bebook.vn
18.140.165.202
587
SMTP (encrypted, submission)



api.bebook.vn
18.140.165.202
587
SMTP (encrypted, submission)



api.bebook.vn
18.140.165.202
993
IMAP (encrypted)



api.bebook.vn
18.140.165.202
993
IMAP (encrypted)



api.bebook.vn
18.140.165.202
995
POP3 (encrypted)



api.bebook.vn
18.140.165.202
995
POP3 (encrypted)



api.bebook.vn
18.140.165.202
1433
MS SQL



api.bebook.vn
18.140.165.202
1433
MS SQL



api.bebook.vn
18.140.165.202
2082
cPanel (http)



api.bebook.vn
18.140.165.202
2082
cPanel (http)



api.bebook.vn
18.140.165.202
2083
cPanel (https)



api.bebook.vn
18.140.165.202
2083
cPanel (https)



api.bebook.vn
18.140.165.202
2086
WHM (http)



api.bebook.vn
18.140.165.202
2086
WHM (http)



api.bebook.vn
18.140.165.202
2087
WHM (https)



api.bebook.vn
18.140.165.202
2087
WHM (https)



api.bebook.vn
18.140.165.202
2089
cPanel Licensing



api.bebook.vn
18.140.165.202
2089
cPanel Licensing



api.bebook.vn
18.140.165.202
2095
cPanel Webmail (http)



api.bebook.vn
18.140.165.202
2095
cPanel Webmail (http)



api.bebook.vn
18.140.165.202
2096
cPanel Webmail (https)



api.bebook.vn
18.140.165.202
2096
cPanel Webmail (https)



api.bebook.vn
18.140.165.202
2222
DirectAdmin (http)



api.bebook.vn
18.140.165.202
2222
DirectAdmin (http)



api.bebook.vn
18.140.165.202
2222
DirectAdmin (https)



api.bebook.vn
18.140.165.202
2222
DirectAdmin (https)



api.bebook.vn
18.140.165.202
3306
mySql



api.bebook.vn
18.140.165.202
3306
mySql



api.bebook.vn
18.140.165.202
5224
Plesk Licensing



api.bebook.vn
18.140.165.202
5224
Plesk Licensing



api.bebook.vn
18.140.165.202
5432
PostgreSQL



api.bebook.vn
18.140.165.202
5432
PostgreSQL



api.bebook.vn
18.140.165.202
8080
Ookla Speedtest (http)



api.bebook.vn
18.140.165.202
8080
Ookla Speedtest (http)



api.bebook.vn
18.140.165.202
8080
Ookla Speedtest (https)



api.bebook.vn
18.140.165.202
8080
Ookla Speedtest (https)



api.bebook.vn
18.140.165.202
8083
VestaCP http



api.bebook.vn
18.140.165.202
8083
VestaCP http



api.bebook.vn
18.140.165.202
8083
VestaCP https



api.bebook.vn
18.140.165.202
8083
VestaCP https



api.bebook.vn
18.140.165.202
8443
Plesk Administration (https)



api.bebook.vn
18.140.165.202
8443
Plesk Administration (https)



api.bebook.vn
18.140.165.202
8447
Plesk Installer + Updates



api.bebook.vn
18.140.165.202
8447
Plesk Installer + Updates



api.bebook.vn
18.140.165.202
8880
Plesk Administration (http)



api.bebook.vn
18.140.165.202
8880
Plesk Administration (http)



api.bebook.vn
18.140.165.202
10000
Webmin (http)



api.bebook.vn
18.140.165.202
10000
Webmin (http)



api.bebook.vn
18.140.165.202
10000
Webmin (https)



api.bebook.vn
18.140.165.202
10000
Webmin (https)





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