ub2.dk

📜 Historical scan 2026-08-18 05:47:21  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

ub2.dk is a .dk domain served by 2 nameservers (ns.kb.dk, ns2.kb.dk). It was registered on 2 October 1997 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. 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   75ms
NameserverIP addressesPTRASN / 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#

🌍
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   297ms
TXT Record
v=spf1 -all

✉️ SPF#

PolicyRecord (ub2.dk)
-all (hard fail) v=spf1 -all

📨 DMARC#

PolicyRecord (_dmarc.ub2.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 2026-10-21 02:09:10
www CNAMEwww.kb.dk (all on kb.dk)
www vs bare domainOnly www resolves
ub2.dk: no address
www.ub2.dk: 130.225.27.171 (AS1835)
(all like this)
WildcardNo
Denial of existenceNSEC3 · 50 iterations · 8-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEYNone 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#

202ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsresolution failed: ncache nxrrset

🏷️ SOA#

0ms
FieldValue
Serial2016031760
Primary NS (MNAME)ns.kb.dk
Responsible (RNAME)dns@kb.dk
Refresh28800s
Retry7200s
Expire604800s
Minimum (neg-cache TTL)3600s

📋 Registration#

WHOIS fetched 2026-10-21 02:46:39
FieldValue
RegistrarPunktum dk A/S (direct)
Registered1997-10-02
Expires2026-12-31 (71d)

🔗 Same registrant#

51 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).

DomainRegistrar
adl.dkPunktum dk A/S (direct)
arkivfordansklitteratur.dkPunktum dk A/S (direct)
billeddanmark.dkPunktum dk A/S (direct)
cultural-assets.dkPunktum dk A/S (direct)
dab.dkPunktum dk A/S (direct)
dadmb.dkPunktum dk A/S (direct)
dafos.dkPunktum dk A/S (direct)
dagligliv.dkPunktum dk A/S (direct)
dansketidsskrifter.dkPunktum dk A/S (direct)
densortediamant.dkPunktum dk A/S (direct)
detadministrativebibliotek.dkPunktum dk A/S (direct)
detkongeligebibliotek.dkPunktum dk A/S (direct)
digitalbevaring.dkPunktum dk A/S (direct)
digitalpreservation.dkPunktum dk A/S (direct)
dnlb.dkPunktum dk A/S (direct)
e-tidsskrifter.dkPunktum dk A/S (direct)
erfa-gruppen.dkPunktum dk A/S (direct)
etidsskrifter.dkPunktum dk A/S (direct)
folkemindesamlingen.dkPunktum dk A/S (direct)
gamearchive.dkPunktum dk A/S (direct)
gamepreservation.dkPunktum dk A/S (direct)
illustreret-tidende.dkPunktum dk A/S (direct)
illustrerettidende.dkPunktum dk A/S (direct)
kb-informationssikkerhed.dkPunktum dk A/S (direct)
kb.dkPunktum dk A/S (direct)
kongelige-bibliotek.dkPunktum dk A/S (direct)
kulturarv3.dkPunktum dk A/S (direct)
kulturatlas.dkPunktum dk A/S (direct)
kulturgoder.dkPunktum dk A/S (direct)
kulturvaerdier.dkPunktum dk A/S (direct)
kulturværdier.dkPunktum dk A/S (direct)
kulturværdiudvalget.dkPunktum dk A/S (direct)
kunstbib.dkPunktum dk A/S (direct)
levendekultur.dkPunktum dk A/S (direct)
linkedworlds.dkPunktum dk A/S (direct)
lokaleliv.dkPunktum dk A/S (direct)
memoryoftheworld.dkPunktum dk A/S (direct)
minibib.dkPunktum dk A/S (direct)
mixoscope.dkPunktum dk A/S (direct)
nationalbibliotek.dkPunktum dk A/S (direct)
opac.dkPunktum dk A/S (direct)
periodica.dkPunktum dk A/S (direct)
periodika.dkPunktum dk A/S (direct)
pligtaflevering.dkPunktum dk A/S (direct)
royal-library.dkPunktum dk A/S (direct)
setfrahimlen.dkPunktum dk A/S (direct)
spilarkivet.dkPunktum dk A/S (direct)
spilbevaring.dkPunktum dk A/S (direct)
theblackdiamond.dkPunktum dk A/S (direct)
tidsskrift.dkPunktum dk A/S (direct)
verdenskulturarv.dkPunktum dk A/S (direct)
📋 WHOIS#

⏱️ Lookup Timing#

NS
75ms
A
69ms
MX
75ms
AAAA
92ms
TXT
297ms
CAA
73ms
HTTPS
59ms
TLSA
27ms
SOA
0ms
MTA-STS
189ms
DNSSEC
202ms
SRV
175ms
Total
663ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-21 02:09:10 312ms 2 NS 0 A 0 MX 🔒 Secure
2026-10-14 15:04:19 3126ms 2 NS 0 A 0 MX 🔒 Secure
2026-10-09 01:56:10 3671ms 2 NS 0 A 0 MX 🔒 Secure
2026-10-08 01:24:21 343ms 2 NS 0 A 0 MX 🔒 Secure
2026-10-06 01:39:58 307ms 2 NS 0 A 0 MX 🔒 Secure
2026-10-04 01:31:19 362ms 2 NS 0 A 0 MX 🔒 Secure
2026-09-30 01:00:51 443ms 2 NS 0 A 0 MX 🔒 Secure
2026-09-27 22:26:56 1580ms 2 NS 0 A 0 MX 🔒 Secure
2026-09-23 21:08:05 517ms 2 NS 0 A 0 MX 🔒 Secure
2026-09-21 17:02:21 2934ms 2 NS 0 A 0 MX 🔒 Secure
2026-09-14 15:24:22 1294ms 2 NS 0 A 0 MX 🔒 Secure
2026-09-08 06:25:13 347ms 2 NS 0 A 0 MX 🔒 Secure
2026-09-03 14:55:31 2766ms 2 NS 0 A 0 MX 🔒 Secure
2026-09-01 20:36:09 2806ms 2 NS 0 A 0 MX 🔒 Secure
2026-08-30 11:20:15 3136ms 2 NS 0 A 0 MX 🔒 Secure
2026-08-27 03:13:42 501ms 2 NS 0 A 0 MX 🔒 Secure
2026-08-26 16:02:13 369ms 2 NS 0 A 0 MX 🔒 Secure
2026-08-24 16:54:14 8553ms 2 NS 0 A 0 MX 🔒 Secure
2026-08-19 07:05:21 4104ms 2 NS 0 A 0 MX 🔒 Secure
2026-08-18 05:47:21 shown 663ms 2 NS 0 A 0 MX 🔒 Secure
2026-08-15 00:01:20 1151ms 2 NS 0 A 0 MX 🔒 Secure
2026-08-09 21:39:29 1542ms 2 NS 0 A 0 MX 🔒 Secure
2026-08-08 06:21:45 8456ms 2 NS 0 A 0 MX 🔒 Secure
2026-08-06 13:30:34 10800ms 2 NS 0 A 0 MX 🔒 Secure
2026-07-25 19:09:32 2333ms 2 NS 0 A 0 MX 🔒 Secure
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