gemmer.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 77.111.241.68 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns01.one.com | — | — | — |
| ns02.one.com | — | — | — |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 77.111.241.68 | — | webcluster1.wordpresspod2-cph3.one.com | AS51468 | One.com A/S | 77.111.240.0/22 | 🇩🇰 Denmark | Copenhagen |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | — | mx1.pub.mailpod6-cph3.one.com | 185.164.14.70 | mx1.pub.mailpod6-cph3.one.com | AS51468 One.com A/S |
| 10 | — | mx2.pub.mailpod6-cph3.one.com | 185.164.14.71 | mx2.pub.mailpod6-cph3.one.com | AS51468 One.com A/S |
| 10 | — | 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 |
|---|---|---|---|---|---|---|---|
| 2a02:2350:5:104:26:1be7:e47c:c2df | — | — | AS51468 | One.com A/S | 2a02:2350:0:0:0:0:0:0/32 | 🇩🇰 Denmark | Copenhagen |
| TXT Record |
|---|
| facebook-domain-verification=cvovl2chn2ya1fx3a294sixk0ihot4 |
| v=DMARC1; p=none; rua=mailto:susanne@gemmer.dk; ruf=mailto:susanne@gemmer.dk |
| v=spf1 include:_custspf.one.com ~all |
| Policy | Record (gemmer.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_custspf.one.com ~all |
| www | 77.111.241.68 2a02:2350:5:104:26:1be7:e47c:c2df (AS51468) (address records, no CNAME) |
| www vs bare domain | Same network gemmer.dk: 77.111.241.68 2a02:2350:5:104:26:1be7:e47c:c2df (AS51468) www.gemmer.dk: 77.111.241.68 2a02:2350:5:104:26:1be7:e47c:c2df (AS51468) |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 1/10 · policy: ~all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx1.pub.mailpod6-cph3.one.com | DANE-EE · SPKI · SHA-256 | 515D397B5EA735D3D3F24127EB4925FA… |
| SMTP _25._tcp.mx2.pub.mailpod6-cph3.one.com | DANE-EE · SPKI · SHA-256 | 515D397B5EA735D3D3F24127EB4925FA… |
| SMTP _25._tcp.mx3.pub.mailpod6-cph3.one.com | DANE-EE · SPKI · SHA-256 | 515D397B5EA735D3D3F24127EB4925FA… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026060701 |
| 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 |
|---|---|---|---|
| 2026-10-01 08:44:49 | 4491ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-09-24 23:00:44 | 946ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-09-16 22:00:38 | 792ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-08-25 16:38:36 | 8571ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-08-24 17:43:20 | 728ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-07-24 18:23:41 | 830ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-07-16 10:02:20 | 831ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-07-01 12:11:18 | 704ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-26 02:28:29 | 715ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-17 09:48:36 shown | 688ms | 2 NS 1 A 3 MX | 🔒 Secure |