obuonline.dk

📜 Historical scan 2026-10-16 01:59:01  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

obuonline.dk is a .dk domain served by 2 nameservers (lucy.ns.cloudflare.com, micah.ns.cloudflare.com). It was registered on 25 April 2014 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. 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   153ms
NameserverIP addressesPTRASN / ISP
lucy.ns.cloudflare.com 108.162.192.133
172.64.32.133
173.245.58.133
2606:4700:50::adf5:3a85
2803:f800:50::6ca2:c085
2a06:98c1:50::ac40:2085		 lucy.ns.cloudflare.com
lucy.ns.cloudflare.com
lucy.ns.cloudflare.com
lucy.ns.cloudflare.com
lucy.ns.cloudflare.com
lucy.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
micah.ns.cloudflare.com 108.162.193.206
172.64.33.206
173.245.59.206
2606:4700:58::adf5:3bce
2803:f800:50::6ca2:c1ce
2a06:98c1:50::ac40:21ce		 micah.ns.cloudflare.com
micah.ns.cloudflare.com
micah.ns.cloudflare.com
micah.ns.cloudflare.com
micah.ns.cloudflare.com
micah.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.

🌍 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#

📝
No TXT records found

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 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 2026-10-18 03:01:13
wwwExists, no address
www vs bare domainNeither resolves
obuonline.dk: no address
www.obuonline.dk: no address
WildcardNo
Denial of existenceCompact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEYPublished: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔗 TLSA / DANE#

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

🔐 DNSSEC#

179ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsresolution failed: ncache nxrrset

🏷️ SOA#

94ms
FieldValue
Serial2417550157
Primary NS (MNAME)lucy.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-16 02:08:06
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2014-04-25
Expires2027-04-30 (192d)

🔗 Same registrant#

67 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
amuledelse.dkPunktum dk A/S (direct)
amuonline.dkPunktum dk A/S (direct)
aspit-odense.dkPunktum dk A/S (direct)
audiguiden.dkPunktum dk A/S (direct)
auguiden.dkPunktum dk A/S (direct)
auledelse.dkPunktum dk A/S (direct)
boghandleruddannelsen.dkPunktum dk A/S (direct)
businessviden.dkPunktum dk A/S (direct)
ciuud.dkPunktum dk A/S (direct)
core2020.dkPunktum dk A/S (direct)
etietgen.dkPunktum dk A/S (direct)
eventuddannelsen.dkPunktum dk A/S (direct)
forfremtiden.dkPunktum dk A/S (direct)
fvuonline.dkPunktum dk A/S (direct)
gymodense.dkPunktum dk A/S (direct)
hca-stx.dkPunktum dk A/S (direct)
hcastx.dkPunktum dk A/S (direct)
hg-odense.dkPunktum dk A/S (direct)
hhx-odense.dkPunktum dk A/S (direct)
hhxfyn.dkPunktum dk A/S (direct)
hs-stu.dkPunktum dk A/S (direct)
hybridleder.dkPunktum dk A/S (direct)
ibo-brobygning.dkPunktum dk A/S (direct)
it-administrator-fyn.dkPunktum dk A/S (direct)
kaosklub.dkPunktum dk A/S (direct)
kompetencekompasset.dkPunktum dk A/S (direct)
kompetencevaekst.dkPunktum dk A/S (direct)
kompetencevækst.dkPunktum dk A/S (direct)
kurser-fyn.dkPunktum dk A/S (direct)
kurser-odense.dkPunktum dk A/S (direct)
laonline.dkPunktum dk A/S (direct)
leadigeelevpladser.dkPunktum dk A/S (direct)
lean-learning.dkPunktum dk A/S (direct)
lederipraksis.dkPunktum dk A/S (direct)
lederivirkeligheden.dkPunktum dk A/S (direct)
lederpraksis.dkPunktum dk A/S (direct)
ledertrainee.dkPunktum dk A/S (direct)
ledertrappen.dkPunktum dk A/S (direct)
odensegymnasium.dkPunktum dk A/S (direct)
offentliglederfokus.dkPunktum dk A/S (direct)
offentliglederkarriere.dkPunktum dk A/S (direct)
offentligledertalent.dkPunktum dk A/S (direct)
praksisuddannelse.dkPunktum dk A/S (direct)
projekt-virksomhedsporten.dkPunktum dk A/S (direct)
sprogcenter-fyn.dkPunktum dk A/S (direct)
studenterodense.dkPunktum dk A/S (direct)
studentodense.dkPunktum dk A/S (direct)
stx-fyn.dkPunktum dk A/S (direct)
stxfyn.dkPunktum dk A/S (direct)
teitgen.dkPunktum dk A/S (direct)
tietgen.dkPunktum dk A/S (direct)
tietgenapps.dkPunktum dk A/S (direct)
tietgenbusiness.dkPunktum dk A/S (direct)
tietgendetail.dkPunktum dk A/S (direct)
tietgenfinans.dkPunktum dk A/S (direct)
tietgennet.dkPunktum dk A/S (direct)
tietgenskolen.dkPunktum dk A/S (direct)
tietgenwebshop.dkPunktum dk A/S (direct)
titgen.dkPunktum dk A/S (direct)
titgenskolen.dkPunktum dk A/S (direct)
tkconline.dkPunktum dk A/S (direct)
uddannelse-fyn.dkPunktum dk A/S (direct)
uddannelse-odense.dkPunktum dk A/S (direct)
uddannelser-fyn.dkPunktum dk A/S (direct)
uddannelser-odense.dkPunktum dk A/S (direct)
veteranindsatsfyn.dkPunktum dk A/S (direct)
videncenterforfinans.dkPunktum dk A/S (direct)
📋 WHOIS#

⏱️ Lookup Timing#

NS
153ms
A
109ms
MX
138ms
AAAA
109ms
TXT
236ms
CAA
145ms
HTTPS
141ms
TLSA
36ms
SOA
94ms
MTA-STS
118ms
DNSSEC
179ms
SRV
157ms
Total
1369ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-18 03:01:13 1062ms 2 NS 0 A 0 MX 🔒 Secure
2026-10-16 01:59:01 shown 1369ms 2 NS 0 A 0 MX 🔒 Secure
2026-10-03 01:24:45 340ms 2 NS 0 A 0 MX 🔒 Secure
2026-10-01 06:39:49 382ms 2 NS 0 A 0 MX 🔒 Secure
2026-09-24 15:47:25 501ms 2 NS 0 A 0 MX 🔒 Secure
2026-08-31 12:38:22 417ms 2 NS 0 A 0 MX 🔒 Secure
2026-08-30 11:13:36 891ms 2 NS 0 A 0 MX 🔒 Secure
2026-08-25 18:25:00 494ms 2 NS 0 A 0 MX 🔒 Secure
2026-08-18 01:00:23 796ms 2 NS 0 A 0 MX 🔒 Secure
2026-08-08 21:32:40 870ms 2 NS 0 A 0 MX 🔒 Secure
2026-07-16 02:55:12 772ms 2 NS 0 A 0 MX 🔒 Secure
2026-07-02 10:59:44 726ms 2 NS 0 A 0 MX 🔒 Secure
2026-06-25 18:07:43 689ms 2 NS 0 A 0 MX 🔒 Secure
2026-06-21 20:38:16 905ms 0 NS 0 A 0 MX ❓ Unknown
2026-06-21 06:17:22 718ms 2 NS 0 A 0 MX 🔒 Secure
2026-06-18 06:47:55 603ms 2 NS 0 A 0 MX 🔒 Secure
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