holbergcentrets-venner.dk

📜 Historical scan 2026-09-25 19:10:46 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

holbergcentrets-venner.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 18 September 2013 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. 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#

2 records 36ms

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)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 118ms

TXT Record
v=spf1 -all

✉️ SPF#

Policy	Record (holbergcentrets-venner.dk)
-all (hard fail)	v=spf1 -all

📨 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 2026-09-30 19:59:33

www	NXDOMAIN
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 0/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

104ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	resolution failed: ncache nxrrset

🏷️ SOA#

0ms

Field	Value
Serial	2026092501
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 2026-10-15 23:41:07

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2013-09-18
Expires	2026-09-30 (expired)

📋 WHOIS#

⏱️ Lookup Timing#

36ms

35ms

33ms

AAAA

39ms

TXT

118ms

CAA

41ms

HTTPS

28ms

TLSA

23ms

SOA

0ms

MTA-STS

49ms

DNSSEC

104ms

SRV

44ms

Total

418ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-27 13:37:03	237ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-26 04:28:20	124ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-24 18:34:03	315ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-23 15:59:30	318ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-22 02:11:50	371ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-20 23:23:29	122ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-19 16:15:50	397ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-18 15:27:40	225ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-17 14:20:07	245ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-16 12:29:39	214ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-15 11:42:27	111ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-14 10:06:41	109ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-13 10:00:41	155ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-12 08:10:40	223ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-11 06:11:20	219ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-09 23:08:38	243ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-08 22:08:52	222ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-07 22:01:16	670ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-06 21:54:19	469ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-05 20:45:05	515ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-04 20:40:10	225ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-03 20:35:09	965ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-02 20:17:17	230ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-01 20:13:43	904ms	1 NS 0 A 0 MX	❓ Unknown
2026-09-30 19:59:33	465ms	2 NS 0 A 0 MX	🔒 Secure