linkdata.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 1 July 1996 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 89.150.143.252 is hosted by Hiper A/S (AS203953) in Denmark. Mail is handled by mx.linkdata.dk. The zone is DNSSEC-signed and validates, 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 89.150.143.252 | 7200s | linkdata.dk | AS203953 | Hiper A/S | 89.150.128.0/18 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 7200s | mx.linkdata.dk | 89.150.143.252 | linkdata.dk | AS203953 Hiper A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 89.150.143.252 |
| 🔶 Autoconfig | 89.150.143.252 |
| TXT Record |
|---|
| v=spf1 ip4:89.150.143.252 ip4:87.49.232.66 -all |
| Policy | Record (linkdata.dk) |
|---|---|
| -all (hard fail) | v=spf1 ip4:89.150.143.252 ip4:87.49.232.66 -all |
| Policy | Record (_dmarc.linkdata.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; fo=1; ri=3600; ruf=mailto:getinfo@linkdata.dk |
| www | 89.150.143.252 (AS203953) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| dkim | — | RSA · ~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: 0/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026092301 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Field | Value |
|---|---|
| Registrar | ONE.COM A/S |
| Registered | 1996-07-01 |
| Expires | 2027-09-30 (344d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-10 09:52:06 | 390ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-01 04:07:35 shown | 505ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-26 20:14:34 | 4522ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-24 13:54:03 | 1857ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-16 08:06:06 | 1052ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-11 11:45:46 | 620ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-05 13:24:26 | 957ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-11 15:23:46 | 750ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-16 21:27:14 | 745ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-12 05:33:35 | 6744ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-10 14:17:39 | 709ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-29 06:06:10 | 717ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-25 08:58:19 | 578ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-22 19:23:09 | 1163ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-17 13:23:16 | 2330ms | 2 NS 1 A 1 MX | 🔒 Secure |