sydbib.dk

📜 Historical scan 2026-09-30 04:58:28 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

sydbib.dk is a .dk domain served by 3 nameservers (ns-auth03.kmd.dk, ns-auth04.kmd.dk, ns.dcbib.dk). It was registered on 29 January 2009 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 131.165.143.21 is hosted by KMD A/S (AS6834) in Denmark. Mail is handled by mail.dcbib.dk. The zone is not DNSSEC-signed, 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#

3 records 33ms

Nameserver	IP addresses	PTR	ASN / ISP
ns-auth03.kmd.dk	131.165.64.5	ns-auth03.kmd.dk	AS6834 KMD A/S
ns-auth04.kmd.dk	131.165.4.5	ns-auth04.kmd.dk	AS6834 KMD A/S
ns.dcbib.dk	131.165.143.1	loke.dcbib.dk	AS6834 KMD A/S

🌍 A Records#

1 records 36ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
131.165.143.21	3600s	—	AS6834	KMD A/S	131.165.0.0/16	🇩🇰 Denmark	Roskilde

📧 MX Records#

1 records 35ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mail.dcbib.dk	131.165.143.1	loke.dcbib.dk	AS6834 KMD 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 192ms

TXT Record
v=spf1 ip4:131.165.143.1 ~all

✉️ SPF#

Policy	Record (sydbib.dk)
~all (soft fail)	v=spf1 ip4:131.165.143.1 ~all

📨 DMARC#

Policy	Record (_dmarc.sydbib.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:it@sydbib.dk; rf=afrf; ri=86400;

📬 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 2026-10-07 17:12:43

www	131.165.143.21 (AS6834) (address records, no CNAME)
www vs bare domain	Same network sydbib.dk: 131.165.143.21 (AS6834) www.sydbib.dk: 131.165.143.21 (AS6834)
Wildcard	No

🔎 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#

61ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

0ms

Field	Value
Serial	2024062603
Primary NS (MNAME)	ns.dcbib.dk
Responsible (RNAME)	jj@dcbib.dk
Refresh	28800s
Retry	7200s
Expire	604800s
Minimum (neg-cache TTL)	86400s

📋 Registration#

WHOIS fetched 2026-10-16 10:42:01

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2009-01-29
Expires	2027-05-31 (225d)

🔗 Same registrant#

2 domains

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
dcbib.dk	Punktum dk A/S (direct)
sydslesvigbibliotekerne.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

33ms

36ms

35ms

AAAA

33ms

TXT

192ms

CAA

34ms

HTTPS

35ms

TLSA

92ms

SOA

0ms

MTA-STS

57ms

DNSSEC

61ms

SRV

54ms

Total

655ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-07 17:12:43	684ms	3 NS 1 A 1 MX	🔓 Insecure
2026-09-30 04:58:28 shown	655ms	3 NS 1 A 1 MX	🔓 Insecure
2026-09-13 22:50:10	837ms	3 NS 1 A 1 MX	🔓 Insecure
2026-08-06 05:33:39	15416ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-24 02:28:01	820ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-17 12:14:09	2887ms	3 NS 1 A 1 MX	🔓 Insecure