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


Info: Problems with 3.048.289 Letsencrypt certificates (378.325 accounts). They must be revoked (revocation starts 2020-03-04 20:00 UTC) - see Revoking certain certificates on March 4. Update 2020-03-07: Good news: Mass-revocation is canceled.

This tool: A check (SerialNumber) is added. Letsencrypt has published a list of critical SerialNumbers, this list is checked. See the part "9. Certificates". If there is a warning, renew that certificate and replace the current certificate.




U

No dns entry found - perhaps mistype. Or wrong IDN

Checked:
26.03.2020 04:14:53


Older results

No older results found


1. IP-Addresses

HostTIP-Addressis auth.∑ Queries∑ Timeout
santanita-medicina.com.sv

Name Error
yes
1
0
www.santanita-medicina.com.sv

Name Error
yes
1
0


2. DNSSEC

Zone (*)DNSSEC - Informations (beta)

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 33853, Flags 256



Public Key with Algorithm 8, KeyTag 48903, Flags 256



1 RRSIG RR to validate DNSKEY RR found



Algorithm: 8, 0 Labels, original TTL: 172800 sec, Signature-expiration: 11.04.2020, 00:00:00, Signature-Inception: 21.03.2020, 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: sv
sv
0 DS RR in the parent zone found



DS-Query in the parent zone has a valid NSEC RR as result with the domain name between the NSEC-Owner "sv" and the NextOwner "swatch". So the parent zone confirmes the non-existence of a DS RR. Bitmap: NS, RRSIG, NSEC



0 DNSKEY RR found





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



0 DNSKEY RR found





Zone: santanita-medicina.com.sv
santanita-medicina.com.sv
0 DS RR in the parent zone found

Zone: www.santanita-medicina.com.sv
www.santanita-medicina.com.sv
0 DS RR in the parent zone found


3. Name Servers

DomainNameserverNS-IP
www.santanita-medicina.com.sv
  cir.red.sv

santanita-medicina.com.sv
  cir.red.sv

com.sv
  cir.red.sv

sv
  a.lactld.org / a2-gru


T  auth02.ns.uu.net / Verizon


  cir.red.sv


  dns.nic.cr


  ns.dns.br / ns.dns.br


  ns.uu.net / Verizon


  sir.red.sv


  sv.cctld.authdns.ripe.net / ns3.nl-ams.authdns.ripe.net


4. SOA-Entries


Domain:sv
Primary:cir.red.sv
Mail:lito.ibarra.sv
Serial:2020032502
Refresh:43200
Retry:3600
Expire:2592000
TTL:43200
num Entries:1


Domain:sv
Primary:cir.red.sv
Mail:lito.ibarra.sv
Serial:2020032504
Refresh:43200
Retry:3600
Expire:2592000
TTL:43200
num Entries:7


Domain:com.sv
Primary:cir.red.sv
Mail:lito.ibarra.sv
Serial:2020032504
Refresh:43200
Retry:3600
Expire:2592000
TTL:43200
num Entries:1


5. Screenshots (Beta)

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

6. Url-Checks

Domainname Http-StatusredirectSec.G







7. Comments

Aname "santanita-medicina.com.sv" is domain, public suffix is "com.sv", top-level-domain-type is "country-code", Country is El Salvador, tld-manager is "SVNet"
Agood: No asked Authoritative Name Server had a timeout
ADNS: "Name Error" means: No www-dns-entry defined. This isn't a problem
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: 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
XNameserver Timeout checking EDNS512: auth02.ns.uu.net
Nameserver doesn't pass all EDNS-Checks: auth02.ns.uu.net: OP100: ok. FLAGS: ok. V1: ok. V1OP100: ok. V1FLAGS: ok. DNSSEC: ok. V1DNSSEC: ok. NSID: ok (Verizon). COOKIE: ok. CLIENTSUBNET: fatal timeout.
Nameserver doesn't pass all EDNS-Checks: cir.red.sv: 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: cir.red.sv: 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.
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.
Info: Creating a Letsencrypt certificate with that domain name isn't possible. To create a certificate you need a registered, worldwide unique domain name. The domain name ends with a public suffix, that's good (not Grade Z). But the domain isn't registered. If you want a certificate with that domain name, you have to proof that you are the domain owner. 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: 63213 milliseconds, 63.213 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 (Update 2020-01-11: Should now work again - code updated. Old message: currently no newer certificates - read Crt.sh has stopped - Letsencrypt-forum - may work next week again - 2019-12-02 - but I must check the code).

No CRT - CT-Log entries found


11. Html-Content - Entries

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


12. CAA - Entries

DomainnameflagNameValue∑ Queries∑ Timeout
com.sv
0

no CAA entry found
1
0
sv
0

no CAA entry found
1
0


13. TXT - Entries

No TXT entries found


14. Portchecks

No Port checks



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Last Result: https://check-your-website.server-daten.de/?q=santanita-medicina.com.sv - 2020-03-26 04:14:53


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