sdgk.dk DNS records

🖥️ Nameservers2 records 23ms

Nameserver	IP addresses	PTR	ASN / ISP
colin.ns.cloudflare.com	108.162.195.75 162.159.44.75 172.64.35.75 2606:4700:58::a29f:2c4b 2803:f800:50::6ca2:c34b 2a06:98c1:50::ac40:234b	colin.ns.cloudflare.com colin.ns.cloudflare.com colin.ns.cloudflare.com colin.ns.cloudflare.com colin.ns.cloudflare.com colin.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
paige.ns.cloudflare.com	108.162.194.38 162.159.38.38 172.64.34.38 2606:4700:50::a29f:2626 2803:f800:50::6ca2:c226 2a06:98c1:50::ac40:2226	paige.ns.cloudflare.com paige.ns.cloudflare.com paige.ns.cloudflare.com paige.ns.cloudflare.com paige.ns.cloudflare.com paige.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 25ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.13.48	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.154.160	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records4 records 21ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mx1.pub.mailpod11-cph3.one.com	104.37.34.230	mx1.pub.mailpod11-cph3.one.com	AS51468 One.com A/S
10	300s	mx2.pub.mailpod11-cph3.one.com	104.37.34.231	mx2.pub.mailpod11-cph3.one.com	AS51468 One.com A/S
10	300s	mx3.pub.mailpod11-cph3.one.com	104.37.34.232	mx3.pub.mailpod11-cph3.one.com	AS51468 One.com A/S
10	300s	mx4.pub.mailpod11-cph3.one.com	104.37.34.233	mx4.pub.mailpod11-cph3.one.com	AS51468 One.com A/S

🔷 AAAA Records (IPv6)2 records 29ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3035::ac43:9aa0	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::6815:d30	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 28ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.13.48,172.67.154.160 ech=AEX+DQBBwQAgACDqOcUEAlQbxnjwDycL7AA5kS/2g0Yz6hqlFjNpSrq3VQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::ac43:9aa0,2606:4700:3036::6815:d30

📝 TXT Records1 records 156ms

TXT Record
_globalsign-domain-verification=37J9nCtMCMWK-yjD30lugEa_hcZ0BiyVZYHRQX3cM_

✉️ SPF

✗ No SPF record — mail spoofing not restricted

📨 DMARC

Policy	Record (_dmarc.sdgk.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:z2g4rfk7@ag.eu.dmarcadvisor.com, mailto:hdm@salsolo.dk; aspf=r

📬 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 61ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1.pub.mailpod11-cph3.one.com	DANE-EE · SPKI · SHA-256	068A81EDC98C58D5D494EDF2924D5F50…
SMTP _25._tcp.mx2.pub.mailpod11-cph3.one.com	DANE-EE · SPKI · SHA-256	068A81EDC98C58D5D494EDF2924D5F50…
SMTP _25._tcp.mx3.pub.mailpod11-cph3.one.com	DANE-EE · SPKI · SHA-256	068A81EDC98C58D5D494EDF2924D5F50…
SMTP _25._tcp.mx4.pub.mailpod11-cph3.one.com	DANE-EE · SPKI · SHA-256	068A81EDC98C58D5D494EDF2924D5F50…

🔐 DNSSEC107ms

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

🏷️ SOA0ms

Field	Value
Serial	2413404006
Primary NS (MNAME)	colin.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

23ms

A

25ms

MX

21ms

AAAA

29ms

TXT

156ms

CAA

30ms

HTTPS

28ms

TLSA

61ms

SOA

0ms

MTA-STS

38ms

DNSSEC

107ms

SRV

57ms

Total

679ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-29 06:51:25	679ms	2 NS 2 A 4 MX	🔓 Insecure	View
2026-08-27 04:34:40	4283ms	2 NS 2 A 4 MX	🔓 Insecure	View
2026-08-22 18:02:19	4426ms	2 NS 2 A 4 MX	🔓 Insecure	View
2026-08-17 15:26:01	4011ms	2 NS 2 A 4 MX	🔓 Insecure	View
2026-08-06 02:56:42	1677ms	2 NS 2 A 4 MX	🔓 Insecure	View
2026-07-09 02:28:58	1949ms	2 NS 2 A 4 MX	🔓 Insecure	View
2026-07-07 04:23:29	2433ms	2 NS 2 A 4 MX	🔓 Insecure	View
2026-06-26 08:04:11	934ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-17 23:28:12	759ms	2 NS 1 A 4 MX	🔒 Secure	View