osdata.dk

📜 Historical scan 2026-06-26 03:13:12  ·  ← 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   49ms
NameserverIP addressesPTRASN / 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   40ms
IPTTLPTRASNISP / OrgCIDRCountryCity
212.237.183.73 86400s mail.osdata.dk AS204151 EWII Bredbaand A/S 212.237.176.0/21 🇩🇰 Denmark Ballerup Municipality

📧 MX Records#

2 records   38ms
PriorityTTLMail ServerIP addressesPTRASN
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   151ms
TXT Record
google-site-verification=hTzqS2o1h8jYsB21w6aHOj6YoC0F3TFq3p140X8aTFM
v=spf1 a:mail.osdata.dk include:_spf.google.com ~all

✉️ SPF#

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

📨 DMARC#

PolicyRecord (_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 2026-10-17 10:08:29
www212.237.183.73 (AS204151) (address records, no CNAME)
www vs bare domainSame network
osdata.dk: 212.237.183.73 (AS204151)
www.osdata.dk: 212.237.183.73 (AS204151)
WildcardNo
Denial of existenceNSEC zone can be walked (all names enumerable)
CDS / CDNSKEYPublished: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

1 found
SelectorCNAMEKey
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#

128ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✓ Found
Flagsunsigned answer

🏷️ SOA#

0ms
FieldValue
Serial2026051938
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)ole@stanstrup.dk
Refresh10800s
Retry1800s
Expire1209600s
Minimum (neg-cache TTL)28800s

📋 Registration#

WHOIS fetched 2026-10-17 10:47:56
FieldValue
RegistrarONE.COM A/S
Registered2008-03-10
Expires2027-03-31 (164d)

🔗 Same registrant#

3 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
kirsebaervej.dkONE.COM A/S
nielsebbesensvej.dkONE.COM A/S
ossound.dkONE.COM A/S
📋 WHOIS#

⏱️ Lookup Timing#

NS
49ms
A
40ms
MX
38ms
AAAA
46ms
TXT
151ms
CAA
48ms
HTTPS
46ms
TLSA
163ms
SOA
0ms
MTA-STS
59ms
DNSSEC
128ms
SRV
61ms
Total
647ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-17 10:08:29 1527ms 2 NS 1 A 2 MX 🔓 Insecure
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 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
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