t-data.dk is a .dk domain served by 4 nameservers (ns1.vipsupport.dk, ns2.vipsupport.dk, ns3.vipsupport.dk and 1 more). It was registered on 18 June 2009 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. 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.
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.8 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 100 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (t-data.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com -all |
| www | 46.30.215.145 2a02:2350:5:106:8d:ca01:3f81:f17e (AS51468) (address records, no CNAME) |
| www vs bare domain | Same network t-data.dk: 46.30.215.145 2a02:2350:5:106:8d:ca01:3f81:f17e (AS51468) www.t-data.dk: 46.30.215.145 2a02:2350:5:106:8d:ca01:3f81:f17e (AS51468) |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| selector1 | selector1-tdata-dk0c._domainkey.unidk.onmicrosoft.com | RSA · ~1024 bit below 2048 bit |
| selector2 | selector2-tdata-dk0c._domainkey.unidk.onmicrosoft.com | 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.
DNS lookups: 1/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2022040603 |
| Primary NS (MNAME) | ns1.vipsupport.dk |
| Responsible (RNAME) | hostmaster@t-data.dk |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | ONE.COM A/S |
| Registered | 2009-06-18 |
| Expires | 2027-06-30 (248d) |
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).
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-24 14:05:34 | 1764ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-21 08:17:19 | 1331ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-14 15:11:53 | 1098ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-08 04:09:57 | 5450ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-02 00:43:26 | 7240ms | 4 NS 0 A 1 MX | 🔓 Insecure |
| 2026-09-30 00:26:42 | 2596ms | 4 NS 0 A 1 MX | 🔓 Insecure |
| 2026-09-29 15:43:28 | 11200ms | 4 NS 0 A 1 MX | 🔓 Insecure |
| 2026-08-27 02:55:14 shown | 6378ms | 4 NS 0 A 0 MX | 🔓 Insecure |
| 2026-07-21 18:22:44 | 8497ms | 4 NS 0 A 0 MX | 🔓 Insecure |
| 2026-06-24 20:01:29 | 2905ms | 4 NS 0 A 1 MX | 🔓 Insecure |
| 2026-06-17 23:04:19 | 4238ms | 4 NS 0 A 1 MX | 🔓 Insecure |