tpetersen.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 3 December 2007 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 195.47.247.18 is hosted by One.com A/S (AS51468). Mail is handled by mx1.mailpod15-cph3.g1i.one.com, mx2.mailpod15-cph3.g1i.one.com and 2 more. 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 |
|---|---|---|---|---|---|---|---|
| 195.47.247.18 | 3600s | one.com.webforward.g1i.one | AS51468 | One.com A/S | 195.47.247.0/24 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 10800s | mx1.mailpod15-cph3.g1i.one.com | 104.37.35.36 | mx1.mailpod15-cph3.g1i.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx2.mailpod15-cph3.g1i.one.com | 104.37.35.37 | mx2.mailpod15-cph3.g1i.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx3.mailpod15-cph3.g1i.one.com | 104.37.35.38 | mx3.mailpod15-cph3.g1i.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx4.mailpod15-cph3.g1i.one.com | 104.37.35.39 | mx4.mailpod15-cph3.g1i.one.com | AS51468 One.com A/S |
| TXT Record |
|---|
| v=spf1 include:spf.protection.example.com include:_custspf.one.com -all |
| Policy | Record (tpetersen.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.example.com include:_custspf.one.com -all |
| www | 195.47.247.18 (AS51468) (address records, no CNAME) |
| 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
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx1.mailpod15-cph3.g1i.one.com | DANE-EE · SPKI · SHA-256 | E54A7262DC6E3E0F06227A22B71D01DC… |
| SMTP _25._tcp.mx2.mailpod15-cph3.g1i.one.com | DANE-EE · SPKI · SHA-256 | E54A7262DC6E3E0F06227A22B71D01DC… |
| SMTP _25._tcp.mx3.mailpod15-cph3.g1i.one.com | DANE-EE · SPKI · SHA-256 | E54A7262DC6E3E0F06227A22B71D01DC… |
| SMTP _25._tcp.mx4.mailpod15-cph3.g1i.one.com | DANE-EE · SPKI · SHA-256 | E54A7262DC6E3E0F06227A22B71D01DC… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026091901 |
| 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 | 2007-12-03 |
| Expires | 2026-12-31 (67d) |
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 |
|---|---|---|---|
| 2026-10-23 12:45:24 | 518ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-10-22 04:44:53 | 1363ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-30 09:24:50 | 577ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-29 15:13:24 | 2031ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-27 14:12:11 | 627ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-23 18:03:09 shown | 741ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-18 02:45:26 | 839ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-11 01:02:53 | 827ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-01 04:43:32 | 650ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-27 21:30:56 | 791ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-01 23:04:16 | 611ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-01 04:58:21 | 625ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-26 19:35:57 | 1448ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-21 12:45:18 | 689ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-21 01:15:23 | 1157ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-17 13:33:56 | 2477ms | 2 NS 1 A 4 MX | 🔒 Secure |