holmgrau.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 6 April 2009 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.30.215.57 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by mx1.mailpod16-cph3.g1i.one.com, mx2.mailpod16-cph3.g1i.one.com and 2 more. The zone is DNSSEC-signed and validates, has no DMARC policy and is reachable over IPv6. Below are all of its DNS records from our latest 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 |
|---|---|---|---|---|---|---|---|
| 46.30.215.57 | 3600s | webcluster2.webpod15-cph3.one.com | AS51468 | One.com A/S | 46.30.208.0/21 | 🇩🇰 Denmark | Copenhagen |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 10800s | mx1.mailpod16-cph3.g1i.one.com | 5.249.232.33 | mx1.mailpod16-cph3.g1i.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx2.mailpod16-cph3.g1i.one.com | 5.249.232.34 | mx2.mailpod16-cph3.g1i.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx3.mailpod16-cph3.g1i.one.com | 5.249.232.35 | mx3.mailpod16-cph3.g1i.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx4.mailpod16-cph3.g1i.one.com | 5.249.232.36 | mx4.mailpod16-cph3.g1i.one.com | AS51468 One.com A/S |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a02:2350:5:10e:80ca:125c:f7b1:e42a | 3600s | — | AS51468 | One.com A/S | 2a02:2350:0:0:0:0:0:0/32 | 🇩🇰 Denmark | Copenhagen |
| www | 46.30.215.57 2a02:2350:5:10e:80ca:125c:f7b1:e42a (AS51468) (address records, no CNAME) |
| www vs bare domain | Same network holmgrau.dk: 46.30.215.57 2a02:2350:5:10e:80ca:125c:f7b1:e42a (AS51468) www.holmgrau.dk: 46.30.215.57 2a02:2350:5:10e:80ca:125c:f7b1:e42a (AS51468) |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx1.mailpod16-cph3.g1i.one.com | DANE-EE · SPKI · SHA-256 | 2362DFAC1BB9F66402E0636BDEF478E5… |
| SMTP _25._tcp.mx2.mailpod16-cph3.g1i.one.com | DANE-EE · SPKI · SHA-256 | 2362DFAC1BB9F66402E0636BDEF478E5… |
| SMTP _25._tcp.mx3.mailpod16-cph3.g1i.one.com | DANE-EE · SPKI · SHA-256 | 2362DFAC1BB9F66402E0636BDEF478E5… |
| SMTP _25._tcp.mx4.mailpod16-cph3.g1i.one.com | DANE-EE · SPKI · SHA-256 | 2362DFAC1BB9F66402E0636BDEF478E5… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026101202 |
| 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 | 2009-04-06 |
| Expires | 2030-04-30 (1289d) |
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).
| Domain | Registrar |
|---|---|
| famgrau.dk | ONE.COM A/S |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-12 17:15:13 shown | 841ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-26 05:49:40 | 659ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-20 20:51:36 | 1750ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-22 17:01:58 | 5042ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-21 16:59:07 | 4889ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-17 00:31:51 | 1026ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-14 18:20:25 | 8990ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-13 00:49:04 | 6171ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-26 23:54:03 | 5058ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-22 21:21:33 | 8778ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-17 08:16:17 | 910ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-02 20:23:32 | 2582ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-22 04:14:10 | 965ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-21 16:50:19 | 918ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-20 21:29:49 | 1967ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-20 16:31:53 | 1013ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-17 11:50:42 | 779ms | 2 NS 1 A 4 MX | 🔒 Secure |