ac.dk

📜 Historical scan 2026-06-21 18:37:06 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

ac.dk is a .dk domain with no delegation in this scan. It was registered on 23 August 1996 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. 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#

🖥️

No NS records found

🌍 A Records#

🌍

No A records found

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

📝

No TXT records found

✉️ 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#

289ms

Check	Result
Validation Status	Not applicable: the domain has no delegation, so there is no zone to validate (stored verdict: ❓ Unknown).
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	resolution failed: failure

🏷️ SOA#

✗ No SOA record found

📋 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#

157ms

159ms

AAAA

164ms

TXT

287ms

CAA

215ms

HTTPS

228ms

TLSA

17ms

SOA

209ms

MTA-STS

212ms

DNSSEC

289ms

SRV

233ms

Total

913ms

🕐 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	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 shown	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