rudbib.dk

📜 Historical scan 2026-06-26 14:30:03 · ← 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 248ms

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 224ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
130.226.25.93	3600s	—	AS1835	IDDQD-AS	130.226.0.0/16	🇩🇰 Denmark	—

📧 MX Records#

1 records 275ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	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 456ms

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#

386ms

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

🏷️ SOA#

338ms

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 (73d)

📋 WHOIS#

⏱️ Lookup Timing#

248ms

224ms

275ms

AAAA

208ms

TXT

456ms

CAA

181ms

HTTPS

251ms

TLSA

208ms

SOA

338ms

MTA-STS

284ms

DNSSEC

386ms

SRV

262ms

Total

1210ms

🕐 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 shown	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	552ms	2 NS 1 A 1 MX	🔒 Secure