dykkerguiden.dk is a .dk domain served by 4 nameservers (ns1.dk, ns2.dk, ns3.dk and 1 more). It was registered on 12 February 2019 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 213.184.85.12 is hosted by PerfGrid (AS59795) in The Netherlands. Mail is handled by pmg1.h4r.eu, pmg2.h4r.eu. The zone is DNSSEC-signed and validates, has no DMARC policy and has no IPv6 address. 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 |
|---|---|---|---|---|---|---|---|
| 213.184.85.12 | 60s | nlcp03.shared-infra.net | AS59795 | PerfGrid | 213.184.84.0/23 | 🇳🇱 The Netherlands | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 60s | pmg1.h4r.eu | 2a01:4f8:c012:7e77::1 49.12.11.203 |
pmg1.h4r.eu filter02.h4r.eu |
AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH |
| 20 | 60s | pmg2.h4r.eu | 2001:41d0:701:1100::a6bc 57.129.66.76 |
filter04.h4r.eu filter04.h4r.eu |
AS16276 OVH SAS AS16276 OVH SAS |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 213.184.85.12 |
| 🔶 Autoconfig | 213.184.85.12 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 0 | 0 | 443 | cpanelemaildiscovery.cpanel.net |
| TXT Record |
|---|
| v=spf1 +a +mx +ip4:213.184.85.12 include:spf-record.net +ip4:213.184.85.13 +include:_relayspf.hosting4real.net +ip4:51.77.128.163 ~all |
| Policy | Record (dykkerguiden.dk) |
|---|---|
| ~all (soft fail) | v=spf1 +a +mx +ip4:213.184.85.12 include:spf-record.net +ip4:213.184.85.13 +include:_relayspf.hosting4real.net +ip4:51.77.128.163 ~all |
| www | 213.184.85.12 (AS59795) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| default | — | RSA · ~2048 bit |
DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.
DNS lookups: 6/10 · policy: ~all
No problems found| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.dykkerguiden.dk | V4A1qABPH4wAozVz-9NuJGb2Vm9E0BseAvWaKgWUFyg |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026092701 |
| Primary NS (MNAME) | ns1.dk |
| Responsible (RNAME) | server@hosting4real.com |
| Refresh | 3600s |
| Retry | 1800s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 86400s |
| Field | Value |
|---|---|
| Registrar | PerfGrid |
| Registered | 2019-02-12 |
| Expires | 2027-02-28 (133d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-29 20:32:02 shown | 1724ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-27 17:48:45 | 1234ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-04 12:04:42 | 2961ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-26 15:04:20 | 2249ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-23 10:27:20 | 1060ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-23 02:56:29 | 9466ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-22 06:03:31 | 987ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-17 05:10:49 | 2552ms | 4 NS 1 A 2 MX | 🔒 Secure |