acdu.dk

📜 Historical scan 2026-10-16 20:29:55 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

acdu.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 3 November 2016 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. The zone is of unknown DNSSEC status, has no 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 255ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records#

🌍

No A records found

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

1 records 227ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:10c:76:625f:8cfe:ec6a	3600s	—	AS51468	One.com A/S	2a02:2350:0:0:0:0:0:0/32	🇩🇰 Denmark	Copenhagen

🔐 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 2026-10-22 18:18:17

www	46.30.213.179 2a02:2350:5:10c:8098:8591:1e90:d7c4 (AS51468) (address records, no CNAME)
www vs bare domain	Same network acdu.dk: 46.30.213.179 2a02:2350:5:10c:8098:8591:1e90:d7c4 (AS51468) www.acdu.dk: 46.30.213.179 2a02:2350:5:10c:8098:8591:1e90:d7c4 (AS51468)
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#

16346ms

Check	Result
Validation Status	❓ Unknown
AD Flag (resolver validates)	✗ Not set
DS Record	✓ Found
DNSKEY Record	✗ Not found
Flags	resolution failed: timed out

🏷️ SOA#

60ms

Field	Value
Serial	2026101604
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-16 20:46:09

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2016-11-03
Expires	2030-12-15 (1513d)

🔗 Same registrant#

1 domain

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
2ways-jujutsu.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

255ms

16078ms

16077ms

AAAA

227ms

TXT

21591ms

CAA

204ms

HTTPS

16062ms

TLSA

169ms

SOA

60ms

MTA-STS

16102ms

DNSSEC

16346ms

SRV

16278ms

Total

22862ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-22 18:18:17	1411ms	2 NS 1 A 3 MX	🔒 Secure
2026-10-16 20:29:55 shown	22862ms	2 NS 0 A 0 MX	❓ Unknown
2026-08-18 18:13:16	1497ms	2 NS 1 A 3 MX	🔒 Secure
2026-08-17 12:25:35	4335ms	2 NS 1 A 3 MX	🔒 Secure
2026-06-27 09:03:16	726ms	2 NS 1 A 3 MX	🔒 Secure
2026-06-18 09:34:07	1051ms	2 NS 1 A 3 MX	🔒 Secure
2026-06-16 12:58:45	1598ms	2 NS 1 A 3 MX	🔒 Secure
2026-06-16 12:57:59	1877ms	2 NS 1 A 3 MX	🔒 Secure