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:
07.04.2020 04:47:08


Older results


1. IP-Addresses

HostTypeIP-Addressis auth.∑ Queries∑ Timeout
s148-72-213-247.secureserver.net

Name Error
yes
1
0
www.s148-72-213-247.secureserver.net

Name Error
yes
1
0


2. DNSSEC

Info: The Xml-split has triggered some hidden bugs. Now it looks ok.
If root or the top level zone isn't validated, it's buggy.
Both green and your domain is red -> it's your domain.

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 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: 22.04.2020, 00:00:00 +, Signature-Inception: 01.04.2020, 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: net
net
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: 19.04.2020, 17:00:00 +, Signature-Inception: 06.04.2020, 16:00:00 +, KeyTag 48903, Signer-Name: (root)



Status: Good - Algorithmus 8 and DNSKEY with KeyTag 48903 used to validate the DS RRSet in the parent zone



2 DNSKEY RR found



Public Key with Algorithm 8, KeyTag 24512, Flags 256



Public Key with Algorithm 8, KeyTag 35886, Flags 257 (SEP = Secure Entry Point)



1 RRSIG RR to validate DNSKEY RR found



Algorithm: 8, 1 Labels, original TTL: 86400 sec, Signature-expiration: 19.04.2020, 16:28:30 +, Signature-Inception: 04.04.2020, 16:23:30 +, KeyTag 35886, Signer-Name: net



Status: Good - Algorithmus 8 and DNSKEY with KeyTag 35886 used to validate the DNSKEY RRSet



Status: Valid Chain of trust. Parent-DS with Algorithm 8, KeyTag 35886, DigestType 2 and Digest "eGKyf19Rbr4ZaARE1M5edimBkxhCxGXwAjZAHYvZc+4=" validates local Key with the same values, Key ist Secure Entry Point (SEP) of the zone

Zone: secureserver.net
secureserver.net
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.Bitmap: NS, DS, RRSIG



0 DNSKEY RR found





Zone: s148-72-213-247.secureserver.net
s148-72-213-247.secureserver.net
0 DS RR in the parent zone found

Zone: www.s148-72-213-247.secureserver.net
www.s148-72-213-247.secureserver.net
0 DS RR in the parent zone found


3. Name Servers

DomainNameserverNS-IP
www.s148-72-213-247.secureserver.net
  cns1.secureserver.net

s148-72-213-247.secureserver.net
  cns1.secureserver.net

secureserver.net
  a11-64.akam.net


  a1-245.akam.net


  a20-65.akam.net


  a6-66.akam.net


  a8-67.akam.net


  a9-67.akam.net


  cns1.secureserver.net / p01


  cns2.secureserver.net / p02

net
  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:net
Zone-Name:
Primary:a.gtld-servers.net
Mail:nstld.verisign-grs.com
Serial:1586227600
Refresh:1800
Retry:900
Expire:604800
TTL:86400
num Entries:1


Domain:net
Zone-Name:
Primary:a.gtld-servers.net
Mail:nstld.verisign-grs.com
Serial:1586227615
Refresh:1800
Retry:900
Expire:604800
TTL:86400
num Entries:12


Domain:secureserver.net
Zone-Name:
Primary:cns1.secureserver.net
Mail:dns.jomax.net
Serial:2020067175
Refresh:300
Retry:600
Expire:1209600
TTL:3600
num Entries:8


Domain:s148-72-213-247.secureserver.net
Zone-Name:
Primary:
Mail:
Serial:
Refresh:
Retry:
Expire:
TTL:
num Entries:1


Domain:www.s148-72-213-247.secureserver.net
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







7. Comments


1. General Results, most used to calculate the result

Aname "s148-72-213-247.secureserver.net" is subdomain, public suffix is "net", top-level-domain-type is "generic", tld-manager is "VeriSign Global Registry Services"
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.

2. DNS- and NameServer - Checks

AGood: Nameserver supports TCP connections: 8 good Nameserver
AGood: Nameserver supports Echo Capitalization: 8 good Nameserver
AGood: Nameserver supports EDNS with max. 512 Byte Udp payload, message is smaller: 8 good Nameserver
Nameserver doesn't pass all EDNS-Checks: cns1.secureserver.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: cns1.secureserver.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.
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

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: 26110 milliseconds, 26.110 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

Issuerlast 7 daysactivenum Certs
//certs.starfieldtech.com/repository/, CN=Starfield Secure Certificate Authority - G2
0
2
2
//certs.godaddy.com/repository/, CN=Go Daddy Secure Certificate Authority - G2
0
1
1

CRT-IdIssuernot beforenot afterDomain namesLE-Duplicatenext LE
2044037315
leaf cert
//certs.starfieldtech.com/repository/, CN=Starfield Secure Certificate Authority - G2
2019-10-22 20:26:28
2021-10-22 20:26:28
*.secureserver.net, secureserver.net
2 entries


2012835684
precert
//certs.godaddy.com/repository/, CN=Go Daddy Secure Certificate Authority - G2
2019-10-18 15:18:34
2021-10-18 15:18:34
*.secureserver.net, secureserver.net
2 entries


1565957642
leaf cert
//certs.starfieldtech.com/repository/, CN=Starfield Secure Certificate Authority - G2
2019-05-23 11:27:14
2021-05-23 11:27:14
*.secureserver.net, secureserver.net
2 entries



11. Html-Content - Entries

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


12. Nameserver - IP-Adresses (alpha)

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.


13. CAA - Entries

DomainnameflagNameValue∑ Queries∑ Timeout
secureserver.net
0

no CAA entry found
1
0
net
0

no CAA entry found
1
0


14. TXT - Entries

No TXT entries found


15. Portchecks

No Port checks



Permalink: https://check-your-website.server-daten.de/?i=90898e49-f25b-4710-870d-4a84fe35c11e


Last Result: https://check-your-website.server-daten.de/?q=s148-72-213-247.secureserver.net - 2020-04-07 04:47:08


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