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.




X

DNS-problem - authoritative Nameserver refused, not defined or timeout

Checked:
26.02.2020 21:33:04


Older results

No older results found


1. IP-Addresses

HostTypeIP-Addressis auth.∑ Queries∑ Timeout
letsencrypt-caa.sirtex.com
A

yes
1
0

AAAA

yes


www.letsencrypt-caa.sirtex.com

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



2 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



1 RRSIG RR to validate DNSKEY RR found



Algorithm: 8, 0 Labels, original TTL: 172800 sec, Signature-expiration: 12.03.2020, 00:00:00 +, Signature-Inception: 20.02.2020, 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: com
com
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: 10.03.2020, 17:00:00 +, Signature-Inception: 26.02.2020, 16:00:00 +, KeyTag 33853, Signer-Name: (root)



Status: Good - Algorithmus 8 and DNSKEY with KeyTag 33853 used to validate the DS RRSet in the parent zone



2 DNSKEY RR found



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



Public Key with Algorithm 8, KeyTag 56311, Flags 256



1 RRSIG RR to validate DNSKEY RR found



Algorithm: 8, 1 Labels, original TTL: 86400 sec, Signature-expiration: 11.03.2020, 19:24:21 +, Signature-Inception: 25.02.2020, 19:19:21 +, KeyTag 30909, Signer-Name: com



Algorithm: 8, 1 Labels, original TTL: 86400 sec, Signature-expiration: 11.03.2020, 19:24:21 +, Signature-Inception: 25.02.2020, 19:19:21 +, KeyTag 30909, Signer-Name: com



Status: Good - Algorithmus 8 and DNSKEY with KeyTag 30909 used to validate the DNSKEY RRSet



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: sirtex.com
sirtex.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 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: letsencrypt-caa.sirtex.com
letsencrypt-caa.sirtex.com
0 DS RR in the parent zone found



0 DNSKEY RR found





Zone: www.letsencrypt-caa.sirtex.com
www.letsencrypt-caa.sirtex.com
0 DS RR in the parent zone found


3. Name Servers

DomainNameserverNS-IP
www.letsencrypt-caa.sirtex.com
  ns1-02.azure-dns.com

letsencrypt-caa.sirtex.com
  ns1-02.azure-dns.com
40.90.4.2
Ashburn/Virginia/United States (US) - Microsoft Corporation


 
2603:1061::2
Toronto/Ontario/Canada (CA) - Microsoft Corporation

sirtex.com
  ns1-02.azure-dns.com


  ns2-02.azure-dns.net


  ns3-02.azure-dns.org


  ns4-02.azure-dns.info

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:1582749157
Refresh:1800
Retry:900
Expire:604800
TTL:86400
num Entries:11


Domain:com
Zone-Name:
Primary:a.gtld-servers.net
Mail:nstld.verisign-grs.com
Serial:1582749172
Refresh:1800
Retry:900
Expire:604800
TTL:86400
num Entries:2


Domain:sirtex.com
Zone-Name:
Primary:ns1-02.azure-dns.com
Mail:azuredns-hostmaster.microsoft.com
Serial:1
Refresh:3600
Retry:300
Expire:2419200
TTL:300
num Entries:4


Domain:letsencrypt-caa.sirtex.com
Zone-Name:
Primary:ns1-02.azure-dns.com
Mail:azuredns-hostmaster.microsoft.com
Serial:1
Refresh:3600
Retry:300
Expire:2419200
TTL:300
num Entries:2


Domain:www.letsencrypt-caa.sirtex.com
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 "letsencrypt-caa.sirtex.com" is subdomain, public suffix is "com", 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: 2 good Nameserver
AGood: Nameserver supports Echo Capitalization: 2 good Nameserver
AGood: Nameserver supports EDNS with max. 512 Byte Udp payload, message is smaller: 2 good Nameserver
AGood: 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: ns1-02.azure-dns.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.
AGood: All SOA have the same Serial Number
Agood: CAA entries found, creating certificate is limited: ca1.sirtex.com is allowed to create certificates
Agood: CAA entries found, creating certificate is limited: digicert.com is allowed to create certificates
Warning: Unknown CAA found: ca1.sirtex.com isn't defined. Unknown entry. May be wrong written, may be not longer valid. May be a missing entry in this tool.

3. Content- and Performance-critical Checks

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: 29650 milliseconds, 29.650 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=DigiCert SHA2 Secure Server CA, O=DigiCert Inc, C=US
0
1
1

CertSpotter-IdIssuernot beforenot afterDomain namesLE-Duplicatenext LE
118406312
leaf cert
CN=DigiCert SHA2 Secure Server CA, O=DigiCert Inc, C=US
2017-04-10 00:00:00
2020-07-07 12:00:00
*.sirtex.com, sirtex.com - 2 entries



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

Issuerlast 7 daysactivenum Certs
CN=DigiCert SHA2 Secure Server CA, O=DigiCert Inc, C=US
0
1
1

CRT-IdIssuernot beforenot afterDomain namesLE-Duplicatenext LE
126376231
leaf cert
CN=DigiCert SHA2 Secure Server CA, O=DigiCert Inc, C=US
2017-04-09 22:00:00
2020-07-07 10:00:00
*.sirtex.com, sirtex.com
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
letsencrypt-caa.sirtex.com
5
issue
ca1.sirtex.com
1
0
sirtex.com
5
issue
digicert.com
1
0
com
0

no CAA entry found
1
0


14. TXT - Entries

DomainnameTXT EntryStatus∑ Queries∑ Timeout
sirtex.com
MS=ms76164760
ok
1
0
sirtex.com
nKgUCfxkEO4AQlkDKogznTsjufZXUxoAa7NHwhmXzKfiIWq5wzezD8ITi20px5z27ognf+nWKkw5TABGY6vl4Q==
ok
1
0
sirtex.com
pardot709993=4a65c2e5166648aa4c44b3e5b8a7d8882591155334c2a96ad44b569b48237395
ok
1
0
sirtex.com
v=msv1 t=D0D42D65-64BF-4D02-8AFF-15BEDC45C880
ok
1
0
sirtex.com
v=spf1 ip4:203.41.57.144 ip4:203.41.57.145 ip4:65.215.3.85 include:spf.protection.outlook.com include:servers.mcsv.net include:aspmx.pardot.com -all
ok
1
0
letsencrypt-caa.sirtex.com

ok
1
0
_acme-challenge.letsencrypt-caa.sirtex.com

Name Error - The domain name does not exist
1
0
_acme-challenge.letsencrypt-caa.sirtex.com.sirtex.com

Name Error - The domain name does not exist
1
0
_acme-challenge.letsencrypt-caa.sirtex.com.letsencrypt-caa.sirtex.com

Name Error - The domain name does not exist
1
0


15. Portchecks

No Port checks



Permalink: https://check-your-website.server-daten.de/?i=3c8fc710-75e6-40ae-8882-56ccee426e7a


Last Result: https://check-your-website.server-daten.de/?q=letsencrypt-caa.sirtex.com - 2020-02-26 21:33:04


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