gronborg.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 5 August 2011 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.30.215.42 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by mx1.pub.mailpod5-cph3.one.com, mx2.pub.mailpod5-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 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 |
|---|---|---|---|---|---|---|---|
| 46.30.215.42 | 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.pub.mailpod5-cph3.one.com | 185.164.14.54 | mx1.pub.mailpod5-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx2.pub.mailpod5-cph3.one.com | 185.164.14.55 | mx2.pub.mailpod5-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx3.pub.mailpod5-cph3.one.com | 185.164.14.56 | mx3.pub.mailpod5-cph3.one.com | AS51468 One.com A/S |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a02:2350:5:10e:8051:fad4:8716:6448 | 3600s | — | AS51468 | One.com A/S | 2a02:2350:0:0:0:0:0:0/32 | 🇩🇰 Denmark | Copenhagen |
| www | 46.30.215.42 2a02:2350:5:10e:8051:fad4:8716:6448 (AS51468) (address records, no CNAME) |
| www vs bare domain | Same network gronborg.dk: 46.30.215.42 2a02:2350:5:10e:8051:fad4:8716:6448 (AS51468) www.gronborg.dk: 46.30.215.42 2a02:2350:5:10e:8051:fad4:8716:6448 (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.pub.mailpod5-cph3.one.com | DANE-EE · SPKI · SHA-256 | 05A6C261F69F69606097350AD7D47EB8… |
| SMTP _25._tcp.mx2.pub.mailpod5-cph3.one.com | DANE-EE · SPKI · SHA-256 | 05A6C261F69F69606097350AD7D47EB8… |
| SMTP _25._tcp.mx3.pub.mailpod5-cph3.one.com | DANE-EE · SPKI · SHA-256 | 05A6C261F69F69606097350AD7D47EB8… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026101505 |
| 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 | Punktum dk A/S (direct) |
| Registered | 2011-08-05 |
| Expires | 2027-08-31 (317d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-16 09:18:02 shown | 534ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-10-13 06:57:46 | 671ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-10-07 20:54:36 | 2316ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-09-07 22:59:02 | 634ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-08-16 22:33:52 | 959ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-08-04 23:28:56 | 4804ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-07-21 05:20:09 | 4956ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-17 10:40:38 | 955ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-17 10:39:18 | 888ms | 2 NS 1 A 3 MX | 🔒 Secure |