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




1. IP-Addresses

HostTypeIP-Addressis auth.∑ Queries∑ Timeout
edusup12.rf.gd
A
185.27.134.149
Gosforth/England/United Kingdom (GB) - UK-IFASTNET
No Hostname found
yes
1
0

AAAA

yes


www.edusup12.rf.gd
A
185.27.134.149
Gosforth/England/United Kingdom (GB) - UK-IFASTNET
No Hostname found
yes
1
0

AAAA

yes


*.rf.gd
A

yes



AAAA

yes



CNAME
11776.bodis.com
yes


*.edusup12.rf.gd
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



3 DNSKEY RR found



Public Key with Algorithm 8, KeyTag 14748, Flags 256



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



Public Key with Algorithm 8, KeyTag 26838, Flags 256



1 RRSIG RR to validate DNSKEY RR found



RRSIG-Owner (root), Algorithm: 8, 0 Labels, original TTL: 172800 sec, Signature-expiration: 10.10.2021, 00:00:00 +, Signature-Inception: 19.09.2021, 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: gd
gd
1 DS RR in the parent zone found



DS with Algorithm 7, KeyTag 51039, DigestType 2 and Digest vzah7F0pmFZhI95mC72FfR0lIxcphz5fU5mmQcHOwT8=



1 RRSIG RR to validate DS RR found



RRSIG-Owner gd., Algorithm: 8, 1 Labels, original TTL: 86400 sec, Signature-expiration: 05.10.2021, 05:00:00 +, Signature-Inception: 22.09.2021, 04:00:00 +, KeyTag 26838, Signer-Name: (root)



Status: Good - Algorithmus 8 and DNSKEY with KeyTag 26838 used to validate the DS RRSet in the parent zone



3 DNSKEY RR found



Public Key with Algorithm 7, KeyTag 43217, Flags 256



Public Key with Algorithm 7, KeyTag 51039, Flags 257 (SEP = Secure Entry Point)



Public Key with Algorithm 7, KeyTag 53565, Flags 256



1 RRSIG RR to validate DNSKEY RR found



RRSIG-Owner gd., Algorithm: 7, 1 Labels, original TTL: 3600 sec, Signature-expiration: 15.10.2021, 14:29:11 +, Signature-Inception: 15.09.2021, 13:55:30 +, KeyTag 51039, Signer-Name: gd



Status: Good - Algorithmus 7 and DNSKEY with KeyTag 51039 used to validate the DNSKEY RRSet



Status: Valid Chain of trust. Parent-DS with Algorithm 7, KeyTag 51039, DigestType 2 and Digest "vzah7F0pmFZhI95mC72FfR0lIxcphz5fU5mmQcHOwT8=" validates local Key with the same values, Key ist Secure Entry Point (SEP) of the zone

Zone: rf.gd
rf.gd
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 "5763fce7ohrjhvs8i6ln6rid5kn2h2ft" between the hashed NSEC3-owner "56nd69a4fiailo1pn67f4fhfrs0cish9" and the hashed NextOwner "6iiavb99mlc927dcuuphedd21adsmrd4". So the parent zone confirmes the not-existence of a DS RR.
Bitmap: NS, DS, RRSIG Validated: RRSIG-Owner 56nd69a4fiailo1pn67f4fhfrs0cish9.gd., Algorithm: 7, 2 Labels, original TTL: 3600 sec, Signature-expiration: 18.10.2021, 18:40:30 +, Signature-Inception: 18.09.2021, 12:03:43 +, KeyTag 53565, Signer-Name: gd



DS-Query in the parent zone sends valid NSEC3 RR with the Hash "8shncrsd08ub2hki6q91s73fu1oornpk" as Owner. That's the Hash of "gd" with the NextHashedOwnerName "9q13n5dfvm88igp2sgp44bt96p0irpi7". So that domain name is the Closest Encloser of "rf.gd". Opt-Out: True.
Bitmap: NS, SOA, RRSIG, DNSKEY, NSEC3PARAM Validated: RRSIG-Owner 8shncrsd08ub2hki6q91s73fu1oornpk.gd., Algorithm: 7, 2 Labels, original TTL: 3600 sec, Signature-expiration: 15.10.2021, 18:59:38 +, Signature-Inception: 15.09.2021, 13:55:30 +, KeyTag 53565, Signer-Name: gd



0 DNSKEY RR found




Zone: edusup12.rf.gd
edusup12.rf.gd
0 DS RR in the parent zone found



0 DNSKEY RR found




Zone: www.edusup12.rf.gd
www.edusup12.rf.gd
0 DS RR in the parent zone found


3. Name Servers

DomainNameserverNS-IP
www.edusup12.rf.gd
  ns2.epizy.com

edusup12.rf.gd
  ns2.epizy.com / ns1.byet.org
198.251.86.154
Las Vegas/Nevada/United States (US) - FranTech Solutions

rf.gd
  ns1.byet.org / ns1.byet.org
198.251.86.152
Las Vegas/Nevada/United States (US) - FranTech Solutions


 
198.251.86.154
Las Vegas/Nevada/United States (US) - FranTech Solutions


  ns1.rf.gd / ns1.byet.org
198.251.86.154
Las Vegas/Nevada/United States (US) - FranTech Solutions


  ns2.byet.org / ns1.byet.org
198.251.86.153
Las Vegas/Nevada/United States (US) - FranTech Solutions


 
205.185.118.176
Las Vegas/Nevada/United States (US) - FranTech Solutions


  ns2.rf.gd / ns1.byet.org
205.185.118.176
Las Vegas/Nevada/United States (US) - FranTech Solutions


  ns3.byet.org / internaldns.byetcluster.com
185.27.134.7
Gosforth/England/United Kingdom (GB) - UK-IFASTNET


  ns4.byet.org / ns1.byet.org
198.251.86.154
Las Vegas/Nevada/United States (US) - FranTech Solutions


X 
37.187.64.39
Roubaix/Hauts-de-France/France (FR) - OVH SAS


  ns5.byet.org / ns1.byet.org
198.251.86.154
Las Vegas/Nevada/United States (US) - FranTech Solutions

gd
  a.nic.gd / CEQY-QU41GH-6UZLZF


  b.nic.gd / TAGD-KTE43F-5A9QX6


  c.nic.gd / NRDT-75SODK-AB8TIQ


  d.nic.gd / JGAB-L6C9EK-PH9YUA


  ns0.centralnic.net


4. SOA-Entries


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


Domain:gd
Zone-Name:gd
Primary:ns0.centralnic.net
Mail:hostmaster.centralnic.net
Serial:2118145228
Refresh:900
Retry:1800
Expire:6048000
TTL:3600
num Entries:4


Domain:rf.gd
Zone-Name:
Primary:
Mail:
Serial:
Refresh:
Retry:
Expire:
TTL:
num Entries:1


Domain:rf.gd
Zone-Name:rf.gd
Primary:ns1.rf.gd
Mail:support.rf.gd
Serial:2006112402
Refresh:28800
Retry:7200
Expire:604800
TTL:86400
num Entries:9


Domain:edusup12.rf.gd
Zone-Name:edusup12.rf.gd
Primary:ns2.epizy.com
Mail:support.edusup12.rf.gd
Serial:2006112402
Refresh:28800
Retry:7200
Expire:604800
TTL:86400
num Entries:1


Domain:www.edusup12.rf.gd
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://edusup12.rf.gd/
185.27.134.149 GZip used - 552 / 825 - 33.09 %
200

Html is minified: 371.62 %
0.096
H
small visible content (num chars: 120)
This site requires Javascript to work, please enable Javascript in your browser or use a browser with Javascript support
Server: nginx
Date: Wed, 22 Sep 2021 14:24:19 GMT
Content-Type: text/html
Transfer-Encoding: chunked
Connection: close
Vary: Accept-Encoding
Expires: Thu, 01 Jan 1970 00:00:01 GMT
Cache-Control: no-cache
Content-Encoding: gzip

• http://www.edusup12.rf.gd/
185.27.134.149 GZip used - 555 / 829 - 33.05 %
200

Html is minified: 373.42 %
0.110
H
small visible content (num chars: 120)
This site requires Javascript to work, please enable Javascript in your browser or use a browser with Javascript support
Server: nginx
Date: Wed, 22 Sep 2021 14:24:19 GMT
Content-Type: text/html
Transfer-Encoding: chunked
Connection: close
Vary: Accept-Encoding
Expires: Thu, 01 Jan 1970 00:00:01 GMT
Cache-Control: no-cache
Content-Encoding: gzip

• https://edusup12.rf.gd/
185.27.134.149
-10

0.063
P
SecureChannelFailure - The request was aborted: Could not create SSL/TLS secure channel.

• https://www.edusup12.rf.gd/
185.27.134.149
-10

0.094
P
SecureChannelFailure - The request was aborted: Could not create SSL/TLS secure channel.

• http://edusup12.rf.gd/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de
185.27.134.149 GZip used - 596 / 894 - 33.33 %
Inline-JavaScript (∑/total): 2/655 Inline-CSS (∑/total): 0/0
200

Html is minified: 402.70 %
0.093
J
Visible Content: This site requires Javascript to work, please enable Javascript in your browser or use a browser with Javascript support
Info: Html-Content with meta and/or script, may be a problem creating a Letsencrypt certificate using http-01 validation
Server: nginx
Date: Wed, 22 Sep 2021 14:24:23 GMT
Content-Type: text/html
Transfer-Encoding: chunked
Connection: close
Vary: Accept-Encoding
Expires: Thu, 01 Jan 1970 00:00:01 GMT
Cache-Control: no-cache
Content-Encoding: gzip

• http://www.edusup12.rf.gd/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de
185.27.134.149 GZip used - 599 / 898 - 33.30 %
Inline-JavaScript (∑/total): 2/659 Inline-CSS (∑/total): 0/0
200

Html is minified: 404.50 %
0.080
J
Visible Content: This site requires Javascript to work, please enable Javascript in your browser or use a browser with Javascript support
Info: Html-Content with meta and/or script, may be a problem creating a Letsencrypt certificate using http-01 validation
Server: nginx
Date: Wed, 22 Sep 2021 14:24:23 GMT
Content-Type: text/html
Transfer-Encoding: chunked
Connection: close
Vary: Accept-Encoding
Expires: Thu, 01 Jan 1970 00:00:01 GMT
Cache-Control: no-cache
Content-Encoding: gzip

• https://185.27.134.149/
185.27.134.149
-10

0.077
P
SecureChannelFailure - The request was aborted: Could not create SSL/TLS secure channel.

7. Comments


1. General Results, most used to calculate the result

Aname "edusup12.rf.gd" is subdomain, public suffix is ".gd", top-level-domain is ".gd", top-level-domain-type is "country-code", Country is Grenada, tld-manager is "The National Telecommunications Regulatory Commission (NTRC)", num .gd-domains preloaded: 15 (complete: 168171)
Agood: All ip addresses are public addresses
Warning: Only one ip address found: edusup12.rf.gd has only one ip address.
Warning: Only one ip address found: www.edusup12.rf.gd 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: edusup12.rf.gd has no ipv6 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: www.edusup12.rf.gd has no ipv6 address.
Agood: No asked Authoritative Name Server had a timeout
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):0 complete Content-Type - header (4 urls)
http://edusup12.rf.gd/ 185.27.134.149


Url with incomplete Content-Type - header - missing charset
http://www.edusup12.rf.gd/ 185.27.134.149


Url with incomplete Content-Type - header - missing charset
http://edusup12.rf.gd/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de 185.27.134.149


Url with incomplete Content-Type - header - missing charset
http://www.edusup12.rf.gd/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de 185.27.134.149


Url with incomplete Content-Type - header - missing charset
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.
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.
Ihttp://edusup12.rf.gd/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de 185.27.134.149
200

Content problems or problems with resources included - http links, files doesn't exist, different Content-Type definitions. Not used to calculate the result because it's a http - check. But listed so you should fix it.
Ihttp://www.edusup12.rf.gd/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de 185.27.134.149
200

Content problems or problems with resources included - http links, files doesn't exist, different Content-Type definitions. Not used to calculate the result because it's a http - check. But listed so you should fix it.
Jhttp://edusup12.rf.gd/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de 185.27.134.149
200

Fatal: Script /aes.js found. Looks like your hoster has a Bot-Check-Detection, so Letsencrypt can't check your http-validation file.
Jhttp://www.edusup12.rf.gd/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de 185.27.134.149
200

Fatal: Script /aes.js found. Looks like your hoster has a Bot-Check-Detection, so Letsencrypt can't check your http-validation file.
Phttps://edusup12.rf.gd/ 185.27.134.149
-10

Error creating a TLS-Connection: IANA TLS Alert No. 80, internal_error. An internal error unrelated to the peer or the correctness of the protocol (such as a memory allocation failure) makes it impossible to continue. SSL_ERROR_INTERNAL_ERROR_ALERT (Mozilla) / ERR_SSL_PROTOCOL_ERROR (Chrome)
Phttps://www.edusup12.rf.gd/ 185.27.134.149
-10

Error creating a TLS-Connection: IANA TLS Alert No. 80, internal_error. An internal error unrelated to the peer or the correctness of the protocol (such as a memory allocation failure) makes it impossible to continue. SSL_ERROR_INTERNAL_ERROR_ALERT (Mozilla) / ERR_SSL_PROTOCOL_ERROR (Chrome)
Phttps://185.27.134.149/ 185.27.134.149
-10

Error creating a TLS-Connection: IANA TLS Alert No. 80, internal_error. An internal error unrelated to the peer or the correctness of the protocol (such as a memory allocation failure) makes it impossible to continue. SSL_ERROR_INTERNAL_ERROR_ALERT (Mozilla) / ERR_SSL_PROTOCOL_ERROR (Chrome)
XFatal error: Nameserver doesn't support TCP connection: ns4.byet.org / 37.187.64.39: Fatal error (-14). Details: Unable to read data from the transport connection: Eine vorhandene Verbindung wurde vom Remotehost geschlossen. - Eine vorhandene Verbindung wurde vom Remotehost geschlossen
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 edusup12.rf.gd, 1 ip addresses.
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 www.edusup12.rf.gd, 1 ip addresses.

2. DNS- and NameServer - Checks

AInfo:: 6 Root-climbing DNS Queries required to find all IPv4- and IPv6-Addresses of 1 Name Servers.
AInfo:: 6 Queries complete, 4 with IPv6, 2 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 6.0 queries per domain name server required to find all ip addresses of all name servers.
AInfo:: 1 different Name Servers found: ns2.epizy.com, 1 Name Servers included in Delegation: ns2.epizy.com, 1 Name Servers included in 1 Zone definitions: ns2.epizy.com, 1 Name Servers listed in SOA.Primary: ns2.epizy.com.
AGood: Only one SOA.Primary Name Server found.: ns2.epizy.com.
AGood: SOA.Primary Name Server included in the delegation set.: ns2.epizy.com.
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: ns2.epizy.com
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.
Warning: No Name Server IPv6 address found. IPv6 is the future, so your name servers should be visible via IPv6.: 1 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.: 1 Name Servers, 1 Top Level Domain: com
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: epizy.com
Warning: All Name Servers from the same Country / IP location.: 1 Name Servers, 1 Countries: US
AInfo: Ipv4-Subnet-list: 1 Name Servers, 1 different subnets (first Byte): 198., 1 different subnets (first two Bytes): 198.251., 1 different subnets (first three Bytes): 198.251.86.
XFatal: All Name Server IPv4 addresses from the same subnet. Check https://www.iana.org/help/nameserver-requirements to learn some basics about name server configurations. If you manage these name servers, fix it. If it's your provider, change your provider.:
XFatal: Only one Name Server IPv4 address found. Check https://www.iana.org/help/nameserver-requirements to learn some basics about name server configurations. If you manage these name servers, fix it. If it's your provider, change your provider.
AGood: Nameserver supports TCP connections: 1 good Nameserver
AGood: Nameserver supports Echo Capitalization: 1 good Nameserver
AGood: Nameserver supports EDNS with max. 512 Byte Udp payload, message is smaller: 1 good Nameserver
AGood: Nameserver has passed 10 EDNS-Checks (OP100, FLAGS, V1, V1OP100, V1FLAGS, DNSSEC, V1DNSSEC, NSID, COOKIE, CLIENTSUBNET): 1 good Nameserver
Nameserver doesn't pass all EDNS-Checks: ns0.centralnic.net: 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: ns2.epizy.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.
Nameserver doesn't pass all EDNS-Checks: ns3.byet.org / 185.27.134.7: 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 (internaldns.byetcluster.com). COOKIE: ok. CLIENTSUBNET: ok.
Nameserver doesn't pass all EDNS-Checks: ns4.byet.org / 37.187.64.39: OP100: fatal timeout. FLAGS: fatal timeout. V1: fatal timeout. V1OP100: fatal timeout. V1FLAGS: fatal timeout. DNSSEC: fatal timeout. V1DNSSEC: fatal timeout. NSID: fatal timeout. COOKIE: fatal timeout. CLIENTSUBNET: fatal timeout.
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.

3. Content- and Performance-critical Checks

http://edusup12.rf.gd/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de 185.27.134.149
200

Critical: Some script Elements (type text/javascript) with a src-Attribute don't have a defer / async - Attribute. Loading and executing these JavaScripts blocks parsing and rendering the Html-Output. That's bad if your site is large or the connection is slow / mobile usage. Use "async" if the js file has only functions (so nothing is executed after parsing the file) or is independend. Use "defer" if the order of the scripts is important. All "defer" scripts are executed before the DOMContentLoaded event is fired. Check https://developer.mozilla.org/en-US/docs/Web/HTML/Element/script to see some details.: 1 script elements without defer/async.
http://www.edusup12.rf.gd/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de 185.27.134.149
200

Critical: Some script Elements (type text/javascript) with a src-Attribute don't have a defer / async - Attribute. Loading and executing these JavaScripts blocks parsing and rendering the Html-Output. That's bad if your site is large or the connection is slow / mobile usage. Use "async" if the js file has only functions (so nothing is executed after parsing the file) or is independend. Use "defer" if the order of the scripts is important. All "defer" scripts are executed before the DOMContentLoaded event is fired. Check https://developer.mozilla.org/en-US/docs/Web/HTML/Element/script to see some details.: 1 script elements without defer/async.
Warning: CSS / JavaScript files with a missing or too short Cache-Control header found. Browsers should cache and re-use these files. 2 external CSS / JavaScript files without Cache-Control-Header, 0 with Cache-Control, but no max-age, 0 with Cache-Control max-age too short (minimum 7 days), 0 with Cache-Control long enough, 2 complete.
AGood: All checked attribute values are enclosed in quotation marks (" or ').
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: 320004 milliseconds, 320.004 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)

No CertSpotter - CT-Log entries found


2. Source crt.sh - old and new certificates, sometimes very slow - only certificates with "not after" > 2019 are listed

No CRT - CT-Log entries found


11. Html-Content - Entries

Summary

Subresource Integrity (SRI)
DomainnameHtmlElementrel/property∑ size∑ problems∑ int.∑ ext.∑ Origin poss.∑ SRI ParseErrors∑ SRI valid∑ SRI missing
http://edusup12.rf.gd/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de
185.27.134.149
script

1

1
1
0
0
0
0

http://www.edusup12.rf.gd/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de
185.27.134.149
script

1

1
1
0
0
0
0

Details

DomainnameHtml-Elementname/equiv/ property/relhref/src/contentHttpStatusmsgStatus
http://edusup12.rf.gd/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de
185.27.134.149
script
src
/aes.js
-10
SecureChannelFailure - The request was aborted: Could not create SSL/TLS secure channel.
1
bad Certificate
Missing defer / async attribute.







http://www.edusup12.rf.gd/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de
185.27.134.149
script
src
/aes.js
-10
SecureChannelFailure - The request was aborted: Could not create SSL/TLS secure channel.
1
bad Certificate
Missing defer / async attribute.








12. Nameserver - IP-Adresses

Required Root-climbing DNS-Queries to find ip addresses of all Name Servers: ns2.epizy.com

QNr.DomainTypeNS used
1
com
NS
h.root-servers.net (2001:500:1::53)

Answer: 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
2
ns2.epizy.com
NS
a.gtld-servers.net (2001:503:a83e::2:30)

Answer: ns1.byet.org, ns3.byet.org, ns4.byet.org, ns5.byet.org
3
org
NS
d.root-servers.net (2001:500:2d::d)

Answer: a0.org.afilias-nst.info, a2.org.afilias-nst.info, b0.org.afilias-nst.org, b2.org.afilias-nst.org, c0.org.afilias-nst.info, d0.org.afilias-nst.org
4
ns1.byet.org: 198.251.86.152
NS
a0.org.afilias-nst.info (2001:500:e::1)

Answer: ns2.byet.org
198.251.86.153

Answer: ns3.byet.org
185.27.134.7

Answer: ns4.byet.org
37.187.64.39

Answer: ns5.byet.org
198.251.86.154
5
ns2.epizy.com: 198.251.86.154
A
ns1.byet.org (198.251.86.152)
6
ns2.epizy.com: No AAAA record found
AAAA
ns1.byet.org (198.251.86.152)


13. CAA - Entries

DomainnameflagNameValue∑ Queries∑ Timeout
www.edusup12.rf.gd
0

no CAA entry found
1
0
edusup12.rf.gd
0

no CAA entry found
1
0
rf.gd
0

no CAA entry found
1
0
gd
0

no CAA entry found
1
0


14. TXT - Entries

DomainnameTXT EntryStatus∑ Queries∑ Timeout
rf.gd
google-site-verification=xjiwvbzfmi9fr6mooszu0d1eg-jhwpoqaaa-cyw7obq
ok
1
0
rf.gd
v=spf1 a mx ~all
ok
1
0
edusup12.rf.gd

ok
1
0
www.edusup12.rf.gd

ok
1
0
_acme-challenge.edusup12.rf.gd

Name Error - The domain name does not exist
1
0
_acme-challenge.www.edusup12.rf.gd

Name Error - The domain name does not exist
1
0
_acme-challenge.edusup12.rf.gd.rf.gd

Name Error - The domain name does not exist
1
0
_acme-challenge.edusup12.rf.gd.edusup12.rf.gd

Name Error - The domain name does not exist
1
0
_acme-challenge.www.edusup12.rf.gd.edusup12.rf.gd

Name Error - The domain name does not exist
1
0
_acme-challenge.www.edusup12.rf.gd.www.edusup12.rf.gd

Name Error - The domain name does not exist
1
0


15. Portchecks

No Port checks



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