o-n.dk

📜 Historical scan 2026-07-26 00:00:18 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

o-n.dk is a .dk domain served by 2 nameservers (ns1.vtaserver.dk, ns2.vtaserver.dk). It was registered on 29 October 1999 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 80.208.30.22 is hosted by FIBIA P/S (AS44869) in Denmark. Mail is handled by on-dk0c.mail.protection.outlook.com. The zone is not DNSSEC-signed, 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 39ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.vtaserver.dk	80.208.30.21	—	AS44869 FIBIA P/S
ns2.vtaserver.dk	80.208.30.30	—	AS44869 FIBIA P/S

🌍 A Records#

1 records 38ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
80.208.30.22	86400s	—	AS44869	FIBIA P/S	80.208.0.0/17	🇩🇰 Denmark	Ringsted

📧 MX Records#

1 records 34ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	86400s	on-dk0c.mail.protection.outlook.com	2a01:111:f403:ca04::10 2a01:111:f403:ca04::4 2a01:111:f403:ca09::1 2a01:111:f403:ca09::8 52.101.68.12 52.101.73.11 52.101.73.15 52.101.73.8	mail-dbapr03cu00100.inbound.protection.outlook.com mail-db4pr02cu00204.inbound.protection.outlook.com mail-as9pr07cu00301.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-am1pr04cu00103.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-am0pr04cu00500.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.56

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 301ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records#

2 records 559ms

TXT Record
MS=ms63995605
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (o-n.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -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 2026-10-10 12:11:23

www CNAME	o-n.dk (all on o-n.dk) → 80.208.30.22 (AS44869)
www vs bare domain	Same network o-n.dk: 80.208.30.22 (AS44869) www.o-n.dk: 80.208.30.22 (AS44869)
Wildcard	No

🔎 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#

1054ms

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

🏷️ SOA#

26ms

Field	Value
Serial	2022112302
Primary NS (MNAME)	ns1.vtaserver.dk
Responsible (RNAME)	srn@vta.dk
Refresh	10800s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	10800s

📋 Registration#

WHOIS fetched 2026-10-15 04:43:29

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	1999-10-29
Expires	2029-12-31 (1169d)

🔗 Same registrant#

30 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
alexblog.dk	Punktum dk A/S (direct)
bil-shop.dk	Punktum dk A/S (direct)
bloggerfogger.dk	Punktum dk A/S (direct)
bondeknold.dk	Punktum dk A/S (direct)
computersøren.dk	Punktum dk A/S (direct)
ctsconsult.dk	Punktum dk A/S (direct)
emilsen.dk	Punktum dk A/S (direct)
fireprotector.dk	Punktum dk A/S (direct)
fo2model.dk	Punktum dk A/S (direct)
foto-klub.dk	Punktum dk A/S (direct)
kjm-as.dk	Punktum dk A/S (direct)
modelmatch.dk	Punktum dk A/S (direct)
montage-tvis.dk	Punktum dk A/S (direct)
mortenvind.dk	Punktum dk A/S (direct)
printpro.dk	Punktum dk A/S (direct)
puma-tech.dk	CURANET A/S
quaser.dk	CURANET A/S
rusinfo.dk	Punktum dk A/S (direct)
scandictool.dk	Punktum dk A/S (direct)
scanditools.dk	Punktum dk A/S (direct)
scto.dk	Punktum dk A/S (direct)
sntools.dk	Punktum dk A/S (direct)
tillexas.dk	Punktum dk A/S (direct)
tolstrupvej.dk	CURANET A/S
tomsk.dk	Punktum dk A/S (direct)
tunit.dk	Punktum dk A/S (direct)
tvis-c.dk	Punktum dk A/S (direct)
tvis-koebenhavn.dk	Punktum dk A/S (direct)
vtaps.dk	Punktum dk A/S (direct)
vtaserver.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

39ms

38ms

34ms

AAAA

40ms

TXT

559ms

CAA

37ms

HTTPS

33ms

TLSA

973ms

SOA

26ms

MTA-STS

60ms

DNSSEC

1054ms

SRV

301ms

Total

6806ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-10 12:11:23	5434ms	2 NS 1 A 1 MX	🔓 Insecure
2026-10-01 00:11:30	2699ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-24 21:06:24	5069ms	2 NS 1 A 1 MX	🔓 Insecure
2026-07-27 01:18:14	21600ms	2 NS 1 A 1 MX	🔓 Insecure
2026-07-26 00:00:18 shown	6806ms	2 NS 1 A 1 MX	🔓 Insecure
2026-07-19 18:05:04	1333ms	2 NS 1 A 1 MX	🔓 Insecure
2026-07-18 12:25:11	65535ms	2 NS 0 A 0 MX	❓ Unknown
2026-06-24 06:38:37	1079ms	2 NS 1 A 1 MX	❓ Unknown
2026-06-17 13:08:55	3317ms	2 NS 1 A 1 MX	🔓 Insecure