mtmortensen.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 25 December 2009 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 85.83.70.49 is hosted by Telenor A/S (AS9158) in Denmark. Mail is handled by mail.mtmortensen.dk. The zone is DNSSEC-signed and validates, 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 85.83.70.49 | 43200s | — | AS9158 | Telenor A/S | 85.80.0.0/14 | 🇩🇰 Denmark | Nørresundby |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 43200s | mail.mtmortensen.dk | 85.83.70.49 | — | AS9158 Telenor A/S |
| TXT Record |
|---|
| v=spf1 mx a _custspf.one.com ip4:85.83.70.49/32 -all |
| Policy | Record (mtmortensen.dk) |
|---|---|
| -all (hard fail) | v=spf1 mx a _custspf.one.com ip4:85.83.70.49/32 -all |
| www CNAME | mtmortensen.dk (all on mtmortensen.dk) → 85.83.70.49 (AS9158) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 2/10 · policy: -all
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026100305 |
| 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 | 2009-12-25 |
| Expires | 2026-12-31 (70d) |
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).
No other domain with this registrant in our WHOIS data yet| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-12 00:44:57 | 1209ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-04 04:32:51 | 595ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-03 22:38:17 shown | 817ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-01 22:35:07 | 788ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-13 15:58:24 | 1203ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-25 20:15:56 | 587ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-13 04:27:09 | 812ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-27 09:46:38 | 16809ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-18 09:00:26 | 779ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-13 19:05:56 | 625ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-19 19:06:52 | 601ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-18 08:14:11 | 652ms | 2 NS 1 A 1 MX | 🔒 Secure |