ac.dk

📜 Historical scan 2026-09-21 16:04:20 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

ac.dk is a .dk domain served by 3 nameservers (ns1.hyp.net, ns2.hyp.net, ns3.hyp.net). It was registered on 23 August 1996 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 87.104.28.11 is hosted by FIBIA P/S (AS44869) in Denmark. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. The zone is DNSSEC-signed and validates, has no 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#

3 records 40ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.hyp.net	151.249.124.1 2a01:5b40:ac1::1	ns1.hyp.net ns1.hyp.net	AS12996 Domeneshop AS AS12996 Domeneshop AS
ns2.hyp.net	192.174.68.10 2001:67c:1bc::10	ns2.hyp.net ns2.hyp.net	AS1921 ipcom GmbH AS1921 ipcom GmbH
ns3.hyp.net	151.249.126.3 2a01:5b40:ac3::1	ns3.hyp.net ns3.hyp.net	AS208045 Domeneshop AS AS208045 Domeneshop AS

🌍 A Records#

1 records 34ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
87.104.28.11	3600s	87.104.28.11.static.fibianet.dk	AS44869	FIBIA P/S	87.104.0.0/18	🇩🇰 Denmark	Greve

📧 MX Records#

5 records 50ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	aspmx.l.google.com	209.85.233.26 2a00:1450:4010:c07::1a 2a00:1450:4010:c07::1a	lr-in-f26.1e100.net lf-in-x1a.1e100.net lf-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
5	3600s	alt1.aspmx.l.google.com	192.178.158.27 2404:6800:4013:813::1b	lcdels-in-f27.1e100.net lcdels-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	3600s	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	3600s	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	3600s	alt4.aspmx.l.google.com	108.177.125.26 2404:6800:4008:c01::1a	tp-in-f26.1e100.net tp-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 241ms

TXT Record
google-site-verification=k4uhZDYlTF9T2h8QFxVdT5zfwCLhwdOyjgfatGJiaBk

✉️ 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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-13 13:24:14

www	93.191.156.216 (AS48854) (address records, no CNAME)
www vs bare domain	Same network ac.dk: 93.191.156.216 (AS48854) www.ac.dk: 93.191.156.216 (AS48854)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔗 TLSA / DANE#

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

🔐 DNSSEC#

92ms

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

🏷️ SOA#

0ms

Field	Value
Serial	1789314765
Primary NS (MNAME)	ns1.hyp.net
Responsible (RNAME)	hostmaster@domeneshop.no
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-13 13:48:35

Field	Value
Registrar	Simply.com A/S
Registered	1996-08-23
Expires	2027-09-30 (348d)

🔗 Same registrant#

3 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).

Domain	Registrar
akademikerne.dk	Simply.com A/S
forskerportal.dk	CURANET A/S
undervislovligt.dk	CURANET A/S

📋 WHOIS#

⏱️ Lookup Timing#

40ms

34ms

50ms

AAAA

45ms

TXT

241ms

CAA

33ms

HTTPS

46ms

TLSA

325ms

SOA

0ms

MTA-STS

71ms

DNSSEC

92ms

SRV

375ms

Total

1177ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-13 13:24:14	529ms	2 NS 1 A 4 MX	🔒 Secure
2026-10-07 14:53:16	706ms	2 NS 1 A 4 MX	🔒 Secure
2026-09-28 07:59:48	876ms	2 NS 1 A 4 MX	🔒 Secure
2026-09-27 07:40:03	2576ms	3 NS 1 A 5 MX	🔒 Secure
2026-09-23 20:28:44	892ms	2 NS 1 A 4 MX	🔒 Secure
2026-09-21 16:04:20 shown	1177ms	3 NS 1 A 5 MX	🔒 Secure
2026-09-12 16:28:06	1063ms	2 NS 1 A 4 MX	🔒 Secure
2026-08-28 16:38:47	1672ms	2 NS 1 A 4 MX	🔒 Secure
2026-08-27 15:24:01	1218ms	3 NS 1 A 5 MX	🔒 Secure
2026-08-16 19:11:04	5510ms	2 NS 1 A 4 MX	🔒 Secure
2026-08-12 22:24:20	2926ms	2 NS 1 A 4 MX	🔒 Secure
2026-07-17 23:37:42	9535ms	2 NS 1 A 4 MX	🔒 Secure
2026-07-13 03:15:01	1396ms	2 NS 1 A 4 MX	🔒 Secure
2026-06-23 09:19:17	4554ms	2 NS 1 A 4 MX	🔒 Secure
2026-06-22 09:16:13	917ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-21 18:37:06	913ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-16 12:57:44	2036ms	2 NS 1 A 4 MX	🔒 Secure
2026-06-16 12:52:50	2099ms	2 NS 1 A 4 MX	🔒 Secure