gordonkristensen.dk DNS records

🖥️ Nameservers2 records 240ms

Nameserver	IP addresses	PTR	ASN / ISP
noah.ns.cloudflare.com	108.162.193.133 172.64.33.133 173.245.59.133 2606:4700:58::adf5:3b85 2803:f800:50::6ca2:c185 2a06:98c1:50::ac40:2185	noah.ns.cloudflare.com noah.ns.cloudflare.com noah.ns.cloudflare.com noah.ns.cloudflare.com noah.ns.cloudflare.com noah.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
ximena.ns.cloudflare.com	108.162.194.10 162.159.38.10 172.64.34.10 2606:4700:50::a29f:260a 2803:f800:50::6ca2:c20a 2a06:98c1:50::ac40:220a	ximena.ns.cloudflare.com ximena.ns.cloudflare.com ximena.ns.cloudflare.com ximena.ns.cloudflare.com ximena.ns.cloudflare.com ximena.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 242ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.64.182	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.154.76	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records4 records 221ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mx1.pub.mailpod12-cph3.one.com	104.37.34.246	mx1.pub.mailpod12-cph3.one.com	AS51468 One.com A/S
10	300s	mx2.pub.mailpod12-cph3.one.com	104.37.34.247	mx2.pub.mailpod12-cph3.one.com	AS51468 One.com A/S
10	300s	mx3.pub.mailpod12-cph3.one.com	104.37.34.248	mx3.pub.mailpod12-cph3.one.com	AS51468 One.com A/S
10	300s	mx4.pub.mailpod12-cph3.one.com	104.37.34.249	mx4.pub.mailpod12-cph3.one.com	AS51468 One.com A/S

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	172.67.154.76
🔶 Autoconfig	172.67.154.76

🔷 AAAA Records (IPv6)2 records 277ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::6815:40b6	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::ac43:9a4c	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 229ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.64.182,172.67.154.76 ech=AEX+DQBBvQAgACDLok3hpxw0LUaqPYeSDaOBiT44zx5Le+CW5/A8I+18EQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:40b6,2606:4700:3037::ac43:9a4c

📝 TXT Records

📝

No TXT records found

✉️ SPF

✗ No SPF record — mail spoofing not restricted

📨 DMARC

✗ No DMARC record — mail spoofing not restricted

📬 MTA-STS

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records

✗ No CAA records — any CA may issue certificates

🔗 TLSA / DANE4 records 364ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1.pub.mailpod12-cph3.one.com	DANE-EE · SPKI · SHA-256	3E81C76D10E1A717F28178710EADCAA8…
SMTP _25._tcp.mx2.pub.mailpod12-cph3.one.com	DANE-EE · SPKI · SHA-256	3E81C76D10E1A717F28178710EADCAA8…
SMTP _25._tcp.mx3.pub.mailpod12-cph3.one.com	DANE-EE · SPKI · SHA-256	3E81C76D10E1A717F28178710EADCAA8…
SMTP _25._tcp.mx4.pub.mailpod12-cph3.one.com	DANE-EE · SPKI · SHA-256	3E81C76D10E1A717F28178710EADCAA8…

🔐 DNSSEC368ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA0ms

Field	Value
Serial	2412579871
Primary NS (MNAME)	noah.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

240ms

A

242ms

MX

221ms

AAAA

277ms

TXT

460ms

CAA

224ms

HTTPS

229ms

TLSA

364ms

SOA

0ms

MTA-STS

277ms

DNSSEC

368ms

SRV

272ms

Total

4587ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-19 03:31:28	4587ms	2 NS 2 A 4 MX	🔓 Insecure	View
2026-08-18 02:48:28	5870ms	2 NS 2 A 4 MX	🔓 Insecure	View
2026-07-30 02:42:25	2627ms	2 NS 2 A 4 MX	🔓 Insecure	View
2026-06-27 07:10:47	1072ms	2 NS 2 A 4 MX	🔓 Insecure	View
2026-06-19 05:16:26	10041ms	2 NS 2 A 4 MX	🔓 Insecure	View
2026-06-17 09:40:57	959ms	2 NS 2 A 4 MX	🔓 Insecure	View