opac.dk

📜 Historical scan 2026-10-04 05:47:26 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

opac.dk is a .dk domain served by 2 nameservers (ns.kb.dk, ns2.kb.dk). It was registered on 28 July 2006 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 130.226.220.93 is hosted by IDDQD-AS (AS1835) in Denmark. The zone is DNSSEC-signed and validates, publishes a 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
ns.kb.dk	130.226.226.15	ns.kb.dk	AS1835 FSKNET-DK Forskningsnettet - Danish network for Research and Education
ns2.kb.dk	130.225.179.5	ns2.kb.dk	AS1835 FSKNET-DK Forskningsnettet - Danish network for Research and Education

🌍 A Records#

1 records 35ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
130.226.220.93	3600s	burns.kb.dk	AS1835	IDDQD-AS	130.226.0.0/16	🇩🇰 Denmark	—

📧 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 152ms

TXT Record
v=spf1 -all

✉️ SPF#

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

📨 DMARC#

Policy	Record (_dmarc.opac.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:dar@kb.dk;

📬 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 19:47:09

www	NXDOMAIN
www vs bare domain	www does not resolve opac.dk: 130.226.220.93 (AS1835) www.opac.dk: no address (all like this)
Wildcard	No
Denial of existence	NSEC3 · 50 iterations · 8-byte salt RFC 9276 recommends 0 iterations and no salt
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#

50ms

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

🏷️ SOA#

47ms

Field	Value
Serial	770
Primary NS (MNAME)	ns.kb.dk
Responsible (RNAME)	dns@kb.dk
Refresh	28800s
Retry	7200s
Expire	604800s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-04 06:21:29

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2006-07-28
Expires	2027-07-31 (287d)

📋 WHOIS#

⏱️ Lookup Timing#

36ms

35ms

41ms

AAAA

38ms

TXT

152ms

CAA

33ms

HTTPS

29ms

TLSA

44ms

SOA

47ms

MTA-STS

42ms

DNSSEC

50ms

SRV

61ms

Total

352ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-13 19:47:09	533ms	2 NS 1 A 0 MX	🔒 Secure
2026-10-12 19:07:09	370ms	2 NS 1 A 0 MX	🔒 Secure
2026-10-09 11:56:05	3470ms	2 NS 1 A 0 MX	🔒 Secure
2026-10-08 10:08:00	1696ms	2 NS 1 A 0 MX	🔒 Secure
2026-10-04 05:47:26 shown	352ms	2 NS 1 A 0 MX	🔒 Secure
2026-10-02 18:39:30	426ms	2 NS 1 A 0 MX	🔒 Secure
2026-09-30 18:34:42	326ms	2 NS 1 A 0 MX	🔒 Secure
2026-09-26 19:35:27	2332ms	2 NS 1 A 0 MX	🔒 Secure
2026-09-26 15:16:55	1617ms	2 NS 1 A 0 MX	🔒 Secure
2026-09-25 15:00:15	592ms	2 NS 1 A 0 MX	🔒 Secure
2026-09-22 01:33:32	3951ms	2 NS 1 A 0 MX	🔒 Secure
2026-09-18 13:09:26	2872ms	2 NS 1 A 0 MX	🔒 Secure
2026-09-14 16:59:33	3940ms	2 NS 1 A 0 MX	🔒 Secure
2026-09-07 16:09:06	735ms	2 NS 1 A 0 MX	🔒 Secure
2026-08-31 13:49:45	2709ms	2 NS 1 A 0 MX	🔒 Secure
2026-08-30 08:20:29	433ms	2 NS 1 A 0 MX	🔒 Secure
2026-08-24 16:46:23	1663ms	2 NS 1 A 0 MX	🔒 Secure
2026-08-23 15:16:49	2760ms	2 NS 1 A 0 MX	🔒 Secure
2026-08-18 05:22:42	2843ms	2 NS 1 A 0 MX	🔒 Secure
2026-08-15 16:56:36	507ms	2 NS 1 A 0 MX	🔒 Secure
2026-08-12 17:57:34	591ms	2 NS 1 A 0 MX	🔒 Secure
2026-08-06 21:59:04	3184ms	2 NS 1 A 0 MX	🔒 Secure
2026-07-26 06:57:49	3089ms	2 NS 1 A 0 MX	🔒 Secure
2026-07-25 06:16:03	8467ms	2 NS 1 A 0 MX	🔒 Secure
2026-07-19 11:10:22	3063ms	2 NS 1 A 0 MX	🔒 Secure