osdata.dk

📜 Historical scan 2026-10-04 01:08:30 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

osdata.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 10 March 2008 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 212.237.183.73 is hosted by EWII Bredbaand A/S (AS204151) in Denmark. Mail is handled by mail.osdata.dk, mail2.osdata.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#

2 records 42ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records#

1 records 47ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
212.237.183.73	86400s	mail.osdata.dk	AS204151	EWII Bredbaand A/S	212.237.176.0/21	🇩🇰 Denmark	Kolding

📧 MX Records#

2 records 49ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	86400s	mail.osdata.dk	212.237.183.73	mail.osdata.dk	AS204151 EWII Bredbaand A/S
20	86400s	mail2.osdata.dk	85.218.172.5	85-218-172-5.norlyscustomer.net	AS39642 Sinal A/S

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 179ms

TXT Record
google-site-verification=hTzqS2o1h8jYsB21w6aHOj6YoC0F3TFq3p140X8aTFM
v=spf1 a:mail.osdata.dk include:_spf.google.com ~all

✉️ SPF#

Policy	Record (osdata.dk)
~all (soft fail)	v=spf1 a:mail.osdata.dk include:_spf.google.com ~all

📨 DMARC#

Policy	Record (_dmarc.osdata.dk)
p=quarantine	v=DMARC1; p=quarantine; pct=100; rua=mailto:dmarc-rua@osdata.dk; ruf=mailto:dmarc-ruf@osdata.dk; fo=1

📬 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 2026-10-14 07:18:02

www	212.237.183.73 (AS204151) (address records, no CNAME)
www vs bare domain	Same network osdata.dk: 212.237.183.73 (AS204151) www.osdata.dk: 212.237.183.73 (AS204151)
Wildcard	No
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
default	—	RSA · ~1024 bit below 2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

71ms

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

🏷️ SOA#

41ms

Field	Value
Serial	2026052016
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	ole@stanstrup.dk
Refresh	10800s
Retry	1800s
Expire	1209600s
Minimum (neg-cache TTL)	28800s

📋 Registration#

WHOIS fetched 2026-10-05 02:29:04

Field	Value
Registrar	ONE.COM A/S
Registered	2008-03-10
Expires	2027-03-31 (165d)

📋 WHOIS#

⏱️ Lookup Timing#

42ms

47ms

49ms

AAAA

58ms

TXT

179ms

CAA

40ms

HTTPS

53ms

TLSA

67ms

SOA

41ms

MTA-STS

53ms

DNSSEC

71ms

SRV

67ms

Total

703ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-14 07:18:01	1553ms	2 NS 1 A 2 MX	🔓 Insecure
2026-10-13 05:34:23	1645ms	2 NS 1 A 2 MX	🔓 Insecure
2026-10-12 04:33:45	1649ms	2 NS 1 A 2 MX	🔓 Insecure
2026-10-11 03:49:12	491ms	2 NS 1 A 2 MX	🔓 Insecure
2026-10-09 01:53:33	2860ms	2 NS 1 A 2 MX	🔓 Insecure
2026-10-05 01:11:35	529ms	2 NS 1 A 2 MX	🔓 Insecure
2026-10-04 01:08:30 shown	703ms	2 NS 1 A 2 MX	🔓 Insecure
2026-10-03 01:07:41	1170ms	2 NS 1 A 2 MX	🔓 Insecure
2026-10-02 01:05:13	2452ms	2 NS 1 A 2 MX	🔓 Insecure
2026-09-30 00:47:11	3197ms	2 NS 1 A 2 MX	🔓 Insecure
2026-09-25 23:24:19	608ms	2 NS 1 A 2 MX	🔓 Insecure
2026-09-24 23:11:27	1423ms	2 NS 1 A 2 MX	🔓 Insecure
2026-09-23 21:47:26	707ms	2 NS 1 A 2 MX	🔓 Insecure
2026-09-22 03:31:14	745ms	2 NS 1 A 2 MX	🔓 Insecure
2026-09-17 14:39:50	924ms	2 NS 1 A 2 MX	🔓 Insecure
2026-09-07 20:46:22	1585ms	2 NS 1 A 2 MX	🔓 Insecure
2026-08-31 03:10:55	974ms	2 NS 1 A 2 MX	🔓 Insecure
2026-08-28 17:12:20	1093ms	2 NS 1 A 2 MX	🔓 Insecure
2026-08-27 15:13:07	536ms	2 NS 1 A 2 MX	🔓 Insecure
2026-08-26 14:26:36	651ms	2 NS 1 A 2 MX	🔓 Insecure
2026-08-25 05:30:52	2574ms	2 NS 1 A 2 MX	🔓 Insecure
2026-08-21 00:56:49	1045ms	2 NS 1 A 2 MX	🔓 Insecure
2026-08-20 00:43:33	886ms	2 NS 1 A 2 MX	🔓 Insecure
2026-08-18 23:26:20	2137ms	2 NS 1 A 2 MX	🔓 Insecure
2026-08-17 16:49:12	2466ms	2 NS 1 A 2 MX	🔓 Insecure