h-u.dk

📜 Historical scan 2026-08-17 16:38:09 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

h-u.dk is a .dk domain served by 2 nameservers (bella.ns.cloudflare.com, mark.ns.cloudflare.com). It was registered on 1 June 2001 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.82.131 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. 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 43ms

Nameserver	IP addresses	PTR	ASN / ISP
bella.ns.cloudflare.com	108.162.192.74 172.64.32.74 173.245.58.74 2606:4700:50::adf5:3a4a 2803:f800:50::6ca2:c04a 2a06:98c1:50::ac40:204a	bella.ns.cloudflare.com bella.ns.cloudflare.com bella.ns.cloudflare.com bella.ns.cloudflare.com bella.ns.cloudflare.com bella.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
mark.ns.cloudflare.com	108.162.193.130 172.64.33.130 173.245.59.130 2606:4700:58::adf5:3b82 2803:f800:50::6ca2:c182 2a06:98c1:50::ac40:2182	mark.ns.cloudflare.com mark.ns.cloudflare.com mark.ns.cloudflare.com mark.ns.cloudflare.com mark.ns.cloudflare.com mark.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

2 records 46ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.82.131	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.202.124	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

5 records 52ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	300s	aspmx.l.google.com	2a00:1450:4010:c09::1a 2a00:1450:4010:c09::1a 74.125.131.27	lk-in-f26.1e100.net lk-in-x1a.1e100.net lu-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
5	300s	alt1.aspmx.l.google.com	192.178.158.27 2404:6800:4013:813::1a	lcdels-in-f27.1e100.net lcdels-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	300s	alt2.aspmx.l.google.com	173.194.41.26 173.194.41.26 2404:6800:4001:c01::1b	yukulwh-in-f26.1e100.net mad01s14-in-f26.1e100.net yukulwh-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
10	300s	alt3.aspmx.l.google.com	172.253.158.27 2404:6800:4003:c26::1b	so-in-f27.1e100.net so-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	300s	alt4.aspmx.l.google.com	108.177.125.27 2404:6800:4008:c01::1b	tp-in-f27.1e100.net tp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)#

2 records 41ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::6815:5283	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::ac43:ca7c	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 43ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.82.131,172.67.202.124 ech=AEX+DQBBQgAgACCzGvUMgGtcUaT6C65EKg5AQak9T3tZZuTypNcuEC/3LAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:5283,2606:4700:3037::ac43:ca7c

📝 TXT Records#

3 records 209ms

TXT Record
apple-domain-verification=0HW7aHGoyTBW0GCS
klaviyo-site-verification=T3Xu6i
v=spf1 include:_spf.google.com include:spf.curanet.dk ip4:185.134.29.211 ~all

✉️ SPF#

Policy	Record (h-u.dk)
~all (soft fail)	v=spf1 include:_spf.google.com include:spf.curanet.dk ip4:185.134.29.211 ~all

📨 DMARC#

Policy	Record (_dmarc.h-u.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:26d04697ebcc4a38b8d092c53be4c874@dmarc-reports.cloudflare.net

📬 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 2026-10-18 12:03:22

www	104.21.82.131 172.67.202.124 2606:4700:3033::6815:5283 2606:4700:3037::ac43:ca7c (AS13335) (address records, no CNAME)
www vs bare domain	Same network h-u.dk: 104.21.82.131 172.67.202.124 2606:4700:3033::6815:5283 2606:4700:3037::ac43:ca7c (AS13335) www.h-u.dk: 104.21.82.131 172.67.202.124 2606:4700:3033::6815:5283 2606:4700:3037::ac43:ca7c (AS13335)
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
google	—	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: 4/10 · policy: ~all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.h-u.dk	8h_5vWBi0Zo3Rq3URfU03ueFCMtPTTvVUYPi4lklkYw
TXT	_acme-challenge.h-u.dk	MO-aXuPTrethldDNAXW4AwEhUE88QHj26OR1xoQdYNg

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

80ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2412417299
Primary NS (MNAME)	bella.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-18 08:14:44

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2001-06-01
Expires	2027-06-30 (254d)

🔗 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#

43ms

46ms

52ms

AAAA

41ms

TXT

209ms

CAA

46ms

HTTPS

43ms

TLSA

117ms

SOA

0ms

MTA-STS

59ms

DNSSEC

80ms

SRV

80ms

Total

1621ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-18 12:03:22	4582ms	2 NS 2 A 5 MX	🔓 Insecure
2026-10-02 08:58:16	594ms	2 NS 2 A 5 MX	🔓 Insecure
2026-10-01 01:41:06	904ms	2 NS 2 A 5 MX	🔓 Insecure
2026-09-27 04:25:19	1290ms	2 NS 2 A 5 MX	🔓 Insecure
2026-09-26 04:10:12	9632ms	2 NS 2 A 5 MX	🔓 Insecure
2026-09-06 19:06:48	1573ms	2 NS 2 A 5 MX	🔓 Insecure
2026-09-01 15:09:54	792ms	2 NS 2 A 5 MX	🔓 Insecure
2026-08-25 22:59:02	1914ms	2 NS 2 A 5 MX	🔓 Insecure
2026-08-18 17:47:42	5417ms	2 NS 2 A 5 MX	🔓 Insecure
2026-08-17 16:38:09 shown	1621ms	2 NS 2 A 5 MX	🔓 Insecure
2026-08-16 14:19:49	8156ms	2 NS 2 A 5 MX	🔓 Insecure
2026-07-30 16:39:31	17297ms	2 NS 2 A 5 MX	🔓 Insecure
2026-07-20 20:33:18	10403ms	2 NS 2 A 5 MX	🔓 Insecure
2026-06-27 02:26:58	1046ms	2 NS 2 A 5 MX	🔓 Insecure
2026-06-17 10:36:12	1020ms	2 NS 2 A 5 MX	🔓 Insecure