imdrup.dk

📜 Historical scan 2026-09-20 09:14:06 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

imdrup.dk is a .dk domain served by 2 nameservers (charles.ns.cloudflare.com, tess.ns.cloudflare.com). It was registered on 5 October 2018 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 37.27.4.72 is hosted by Hetzner Online GmbH (AS24940) in Finland. Mail is handled by mail.datatekniker.dev. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 39ms

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 Records#

1 records 36ms

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 Records#

1 records 36ms

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 Records#

2 records 81ms

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

📝 TXT Records#

1 records 183ms

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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-13 04:04:22

www	Exists, no address
www vs bare domain	www does not resolve imdrup.dk: 37.27.4.72 (AS24940) www.imdrup.dk: no address (all like this)
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
dkim	—	RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

2 records 161ms

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

🔐 DNSSEC#

118ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2415255798
Primary NS (MNAME)	charles.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-13 04:30:23

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2018-10-05
Expires	2027-10-31 (378d)

🔗 Same registrant#

0 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

No other domain with this registrant in our WHOIS data yet

📋 WHOIS#

⏱️ Lookup Timing#

39ms

36ms

AAAA

39ms

TXT

183ms

CAA

46ms

HTTPS

42ms

TLSA

161ms

SOA

0ms

MTA-STS

84ms

DNSSEC

118ms

SRV

81ms

Total

1352ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-13 04:04:22	987ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-20 09:14:06 shown	1352ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-18 02:31:22	2214ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-07 00:59:05	1205ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-27 12:04:35	903ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-26 11:53:14	1013ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-03 04:28:24	1030ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-20 22:41:22	9569ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-11 01:18:14	1165ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-24 16:50:38	1071ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-23 02:25:40	1145ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-17 14:36:17	385ms	0 NS 0 A 0 MX	❓ Unknown