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

Checked:
31.10.2024 05:04:52

Older results

No older results found

1. IP-Addresses

Host	Type	IP-Address	is auth.	∑ Queries	∑ Timeout
192-0-2-110.client.mchsi.com			yes	2	0
www.192-0-2-110.client.mchsi.com			yes	2	0

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 61050, Flags 256


	1 RRSIG RR to validate DNSKEY RR found


	RRSIG-Owner (root), Algorithm: 8, 0 Labels, original TTL: 172800 sec, Signature-expiration: 11.11.2024, 00:00:00 +, Signature-Inception: 21.10.2024, 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


	DS with Algorithm 13, KeyTag 19718, DigestType 2 and Digest isuwzSj0ElCoCkkTiUJNNBUi2Uaw2gwCkfLT13HXgFo=


	1 RRSIG RR to validate DS RR found


	RRSIG-Owner com., Algorithm: 8, 1 Labels, original TTL: 86400 sec, Signature-expiration: 12.11.2024, 20:00:00 +, Signature-Inception: 30.10.2024, 19:00:00 +, KeyTag 61050, Signer-Name: (root)


	• Status: Good - Algorithmus 8 and DNSKEY with KeyTag 61050 used to validate the DS RRSet in the parent zone


	2 DNSKEY RR found


	Public Key with Algorithm 13, KeyTag 19718, Flags 257 (SEP = Secure Entry Point)


	Public Key with Algorithm 13, KeyTag 29942, Flags 256


	1 RRSIG RR to validate DNSKEY RR found


	RRSIG-Owner com., Algorithm: 13, 1 Labels, original TTL: 86400 sec, Signature-expiration: 08.11.2024, 14:02:35 +, Signature-Inception: 24.10.2024, 13:57:35 +, KeyTag 19718, Signer-Name: com


	• Status: Good - Algorithmus 13 and DNSKEY with KeyTag 19718 used to validate the DNSKEY RRSet


	• Status: Valid Chain of trust. Parent-DS with Algorithm 13, KeyTag 19718, DigestType 2 and Digest "isuwzSj0ElCoCkkTiUJNNBUi2Uaw2gwCkfLT13HXgFo=" validates local Key with the same values, Key ist Secure Entry Point (SEP) of the zone

Zone: mchsi.com
mchsi.com	2 DS RR in the parent zone found


	DS with Algorithm 13, KeyTag 22659, DigestType 1 and Digest uvkCjE1PwircimGK3skILRTzb/0=


	DS with Algorithm 13, KeyTag 22659, DigestType 2 and Digest aqGcmdKx/XSzBXhTLN21tshrpxgAPOQ51t/E+NmeD4U=


	1 RRSIG RR to validate DS RR found


	RRSIG-Owner mchsi.com., Algorithm: 13, 2 Labels, original TTL: 86400 sec, Signature-expiration: 06.11.2024, 01:01:11 +, Signature-Inception: 29.10.2024, 23:51:11 +, KeyTag 29942, Signer-Name: com


	• Status: Good - Algorithmus 13 and DNSKEY with KeyTag 29942 used to validate the DS RRSet in the parent zone


	0 DNSKEY RR found





	Fatal error: Parent zone has a signed DS RR (Algorithm 13, KeyTag 22659, DigestType 1, Digest uvkCjE1PwircimGK3skILRTzb/0=), but the destination DNSKEY doesn't exist or doesn't validate the DNSKEY RR set. No chain of trust created.


	Fatal error: Parent zone has a signed DS RR (Algorithm 13, KeyTag 22659, DigestType 2, Digest aqGcmdKx/XSzBXhTLN21tshrpxgAPOQ51t/E+NmeD4U=), but the destination DNSKEY doesn't exist or doesn't validate the DNSKEY RR set. No chain of trust created.

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

Zone: 192-0-2-110.client.mchsi.com
192-0-2-110.client.mchsi.com	0 DS RR in the parent zone found

Zone: www.192-0-2-110.client.mchsi.com
www.192-0-2-110.client.mchsi.com	0 DS RR in the parent zone found

3. Name Servers

Domain	Nameserver
mchsi.com	X ns1.mcomdc.com
	X ns2.mcomdc.com
com	• a.gtld-servers.net / nnn1-par6	•
	• b.gtld-servers.net / nnn1-elwaw4	•
	• c.gtld-servers.net / nnn1-par6	•
	• d.gtld-servers.net / nnn1-par6	•
	• e.gtld-servers.net / nnn1-par6	•
	• f.gtld-servers.net / nnn1-defra-4	•
	• g.gtld-servers.net / nnn1-defra-4	•
	• h.gtld-servers.net / nnn1-defra-4	•
	• i.gtld-servers.net / nnn1-defra-4	•
	• j.gtld-servers.net / nnn1-ein1	•
	• k.gtld-servers.net / nnn1-frmrs-2	•
	• l.gtld-servers.net / nnn1-ein3	•
	• m.gtld-servers.net / nnn1-frmrs-2	•

4. SOA-Entries

Domain:	com
Zone-Name:	com
Primary:	a.gtld-servers.net
Mail:	nstld.verisign-grs.com
Serial:	1730347468
Refresh:	1800
Retry:	900
Expire:	604800
TTL:	900
num Entries:	4

Domain:	com
Zone-Name:	com
Primary:	a.gtld-servers.net
Mail:	nstld.verisign-grs.com
Serial:	1730347478
Refresh:	1800
Retry:	900
Expire:	604800
TTL:	900
num Entries:	9

Domain:	mchsi.com
Zone-Name:
Primary:
Mail:
Serial:
Refresh:
Retry:
Expire:
TTL:
num Entries:	2

5. Screenshots

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

6. Url-Checks

Domainname	Http-Status	redirect	Sec.	G
•

7. Comments

	1. General Results, most used to calculate the result
A	name "192-0-2-110.client.mchsi.com" is subdomain, public suffix is ".com", top-level-domain is ".com", top-level-domain-type is "generic", tld-manager is "VeriSign Global Registry Services", num .com-domains preloaded: 97057 (complete: 251685)
A	Good: No asked Authoritative Name Server had a timeout
	HSTS-Preload-Status: unknown. Domain never included in the Preload-list. Check https://hstspreload.org/ to learn some basics about the Google-Preload-List.
X	Fatal error: Nameserver doesn't support TCP connection: ns1.mcomdc.com: Timeout
X	Fatal error: Nameserver doesn't support TCP connection: ns2.mcomdc.com: Timeout
B	No _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.192-0-2-110.client.mchsi.com
	2. Header-Checks
U		No https result with http status 2 or 4 (standard-check) found, no header checked.
	3. DNS- and NameServer - Checks
A
A
A	Info:: 13 different Name Servers found: 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, 13 Name Servers included in Delegation: 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, 13 Name Servers included in 1 Zone definitions: 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, 1 Name Servers listed in SOA.Primary: a.gtld-servers.net.
A	Good: Only one SOA.Primary Name Server found.: a.gtld-servers.net.
A	Good: SOA.Primary Name Server included in the delegation set.: a.gtld-servers.net.
A	Good: All Name Server Domain Names have a Public Suffix.
A
	Nameserver doesn't pass all EDNS-Checks: ns1.mcomdc.com: 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.
	Nameserver doesn't pass all EDNS-Checks: ns2.mcomdc.com: 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.
A	Good: 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
A	Good: 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
A	Duration: 66203 milliseconds, 66.203 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" > of the last months are listed

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. Html-Parsing via https://validator.w3.org/nu/

No https result http status 200 and Content-Type text/html or text/xml found, no Html-Parsing - Check

13. Nameserver - IP-Adresses

Required Root-climbing DNS-Queries to find ip addresses of all Name Servers:

No NameServer - IP address - Informations found

14. CAA - Entries

Domainname	flag	Name	Value	∑ Queries	∑ Timeout
mchsi.com				2	0
com	0		no CAA entry found	1	0

15. TXT - Entries

No TXT entries found

16. DomainService - Entries

No DomainServiceEntries entries found

17. Cipher Suites

No Ciphers found

18. Portchecks

No open Ports <> 80 / 443 found, so no additional Ports checked.

Permalink: https://check-your-website.server-daten.de/?i=e5d2233c-f2c5-4730-9d55-d90e21b4044e

Last Result: https://check-your-website.server-daten.de/?q=192-0-2-110.client.mchsi.com - 2025-05-27 19:35:45

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