rudbib.dk

📜 Historical scan 2026-06-17 12:07:48 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

rudbib.dk is a .dk domain served by 2 nameservers (ns.dandomain.dk, ns2.dandomain.dk). It was registered on 18 December 2006 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 130.226.25.93 is hosted by IDDQD-AS (AS1835) in Denmark. Mail is handled by mail.rudbib.dk. 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 64ms

Nameserver	IP addresses	PTR	ASN / ISP
ns.dandomain.dk	185.25.141.3 2a02:2339:4006:109::dd	ns.dandomain.dk ns.dandomain.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.dandomain.dk	2a02:2339:1:108::dd:dd 91.197.248.66	ns2.dandomain.dk ns2.dandomain.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 103ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
130.226.25.93	—	—	AS1835	IDDQD-AS	130.226.0.0/16	🇩🇰 Denmark	—

📧 MX Records#

1 records 36ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	mail.rudbib.dk	194.150.112.200	mailproxy1.dandomain.dk	AS48854 team.blue Denmark A/S

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 150ms

TXT Record
v=spf1 include:bounce.peytz.dk ~all

✉️ SPF#

Policy	Record (rudbib.dk)
~all (soft fail)	v=spf1 include:bounce.peytz.dk ~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 2026-10-08 05:01:35

www CNAME	cluster-2.folkebibliotekernescms.dk (all on folkebibliotekernescms.dk) → 130.226.25.93 (AS1835)
www vs bare domain	Same network rudbib.dk: 130.226.25.93 (AS1835) www.rudbib.dk: 130.226.25.93 (AS1835)
Wildcard	No
Denial of existence	NSEC3 · 1 iteration · 1-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: 1/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

73ms

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

🏷️ SOA#

58ms

Field	Value
Serial	2026020502
Primary NS (MNAME)	ns.dandomain.dk
Responsible (RNAME)	hostmaster@dandomain.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-06 16:31:29

Field	Value
Registrar	DANDOMAIN A/S
Registered	2006-12-18
Expires	2026-12-31 (74d)

📋 WHOIS#

⏱️ Lookup Timing#

64ms

103ms

36ms

AAAA

53ms

TXT

150ms

CAA

35ms

HTTPS

62ms

TLSA

127ms

SOA

58ms

MTA-STS

100ms

DNSSEC

73ms

SRV

0ms

Total

552ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-24 22:34:35	427ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-27 21:28:55	2519ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-26 14:30:03	1210ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-25 13:21:44	594ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 12:07:48 shown	552ms	2 NS 1 A 1 MX	🔒 Secure