grothoej.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.30.215.21 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by mx1.pub.mailpod6-cph3.one.com, mx2.pub.mailpod6-cph3.one.com and 1 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 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 |
|---|---|---|---|---|---|---|---|
| 46.30.215.21 | 3600s | webcluster1.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.pub.mailpod6-cph3.one.com | 185.164.14.70 | mx1.pub.mailpod6-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx2.pub.mailpod6-cph3.one.com | 185.164.14.71 | mx2.pub.mailpod6-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx3.pub.mailpod6-cph3.one.com | 185.164.14.72 | mx3.pub.mailpod6-cph3.one.com | AS51468 One.com A/S |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a02:2350:5:10e:ac:4e66:bf6d:fd08 | 3600s | — | AS51468 | One.com A/S | 2a02:2350:0:0:0:0:0:0/32 | 🇩🇰 Denmark | Copenhagen |
| www | Address record (no CNAME) |
| 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.pub.mailpod6-cph3.one.com | DANE-EE · SPKI · SHA-256 | 431B938774CCDD31779725AB0617DD17… |
| SMTP _25._tcp.mx2.pub.mailpod6-cph3.one.com | DANE-EE · SPKI · SHA-256 | 431B938774CCDD31779725AB0617DD17… |
| SMTP _25._tcp.mx3.pub.mailpod6-cph3.one.com | DANE-EE · SPKI · SHA-256 | 431B938774CCDD31779725AB0617DD17… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026082501 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-29 21:59:47 | 693ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-09-25 14:37:48 | 756ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-09-24 14:29:55 | 795ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-09-14 01:36:40 | 588ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-09-06 21:52:34 | 1790ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-09-03 18:09:40 | 618ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-08-31 03:12:48 | 1822ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-08-26 21:26:46 shown | 1202ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-07-25 19:14:40 | 708ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-07-03 11:09:41 | 4095ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-25 15:30:09 | 753ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-18 19:29:20 | 1172ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-17 09:50:07 | 749ms | 2 NS 1 A 3 MX | 🔒 Secure |