imdrup.dk DNS records

🖥️ Nameservers2 records 22ms

Nameserver	IP addresses	PTR	ASN / ISP
charles.ns.cloudflare.com	108.162.193.83 172.64.33.83 173.245.59.83 2606:4700:58::adf5:3b53 2803:f800:50::6ca2:c153 2a06:98c1:50::ac40:2153	charles.ns.cloudflare.com charles.ns.cloudflare.com charles.ns.cloudflare.com charles.ns.cloudflare.com charles.ns.cloudflare.com charles.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
tess.ns.cloudflare.com	108.162.192.227 172.64.32.227 173.245.58.227 2606:4700:50::adf5:3ae3 2803:f800:50::6ca2:c0e3 2a06:98c1:50::ac40:20e3	tess.ns.cloudflare.com tess.ns.cloudflare.com tess.ns.cloudflare.com tess.ns.cloudflare.com tess.ns.cloudflare.com tess.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records1 records 28ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
37.27.4.72	300s	static.72.4.27.37.clients.your-server.de	AS24940	Hetzner Online GmbH	37.27.0.0/16	🇫🇮 Finland	Helsinki

📧 MX Records1 records 31ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	600s	mail.datatekniker.dev	37.27.4.72	static.72.4.27.37.clients.your-server.de	AS24940 Hetzner Online GmbH

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	172.67.157.192
🔶 Autoconfig	104.21.90.143

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records2 records 58ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	10	1	443	mail.datatekniker.dev
_imaps._tcp	10	1	993	mail.datatekniker.dev

📝 TXT Records1 records 153ms

TXT Record
v=spf1 mx a:mail.datatekniker.dev ~all

✉️ SPF

Policy	Record (imdrup.dk)
~all (soft fail)	v=spf1 mx a:mail.datatekniker.dev ~all

📨 DMARC

Policy	Record (_dmarc.imdrup.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:admin@datatekniker.dev; ruf=mailto:admin@datatekniker.dev; adkim=s; aspf=s

📬 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

🔏 ACME Challenge

Type	Name	Value
TXT	_acme-challenge.imdrup.dk	X4NEU8Pai-BmPQvs1ZGS1c2V1My1oPutskP2qVl-F6o
TXT	_acme-challenge.imdrup.dk	cV6UHpmQ_ehlePAASmg9DHvSkMdJ2OngwKdxUKHNa9A

🔗 TLSA / DANE2 records 368ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mail.datatekniker.dev	DANE-TA · SPKI · SHA-256	762195C225586EE6C0237456E2107DC5…
SMTP _25._tcp.mail.datatekniker.dev	DANE-TA · SPKI · SHA-256	0B9FA5A59EED715C26C1020C711B4F6E…

🔐 DNSSEC94ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA0ms

Field	Value
Serial	2413277929
Primary NS (MNAME)	charles.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

22ms

A

28ms

MX

31ms

AAAA

37ms

TXT

153ms

CAA

28ms

HTTPS

23ms

TLSA

368ms

SOA

0ms

MTA-STS

46ms

DNSSEC

94ms

SRV

58ms

Total

903ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 12:04:35	903ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-26 11:53:14	1013ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-03 04:28:24	1030ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-20 22:41:22	9569ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-11 01:18:14	1165ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-24 16:50:38	1071ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-23 02:25:40	1145ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-17 14:36:17	385ms	0 NS 0 A 0 MX	❓ Unknown	View