it-master.dk is a .dk domain served by 2 nameservers (ns1.itmaster.net, ns2.itmaster.net). It was registered on 14 February 2019 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 162.55.22.237 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by mx1.smtp.goog, mx2.smtp.goog and 2 more. The zone is not DNSSEC-signed, publishes a DMARC policy and has no IPv6 address. 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 |
|---|---|---|---|
| ns1.itmaster.net | 162.55.22.237 | web1.itmaster.net | AS24940 Hetzner Online GmbH |
| ns2.itmaster.net | 65.108.58.212 | ns2.itmaster.net | AS24940 Hetzner Online GmbH |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 162.55.22.237 | 3600s | web1.itmaster.net | AS24940 | Hetzner Online GmbH | 162.55.0.0/16 | 🇩🇪 Germany | Falkenstein |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 5 | 3600s | mx1.smtp.goog | 2001:4860:4802:32::97 216.239.32.151 |
— — |
AS15169 Google LLC AS15169 Google LLC |
| 5 | 3600s | mx2.smtp.goog | 2001:4860:4802:34::97 216.239.34.151 |
— — |
AS15169 Google LLC AS15169 Google LLC |
| 10 | 3600s | mx3.smtp.goog | 2001:4860:4802:36::97 216.239.36.151 |
— — |
AS15169 Google LLC AS15169 Google LLC |
| 10 | 3600s | mx4.smtp.goog | 2001:4860:4802:38::97 216.239.38.151 |
— — |
AS15169 Google LLC AS15169 Google LLC |
| TXT Record |
|---|
| google-site-verification=1F9isYA701AP6GjmuX3q2pSj0IOXr14HpbwocNvoaIg |
| google-site-verification=tOMShiqAqsf7930Lj6vpBF3KVPaqy8YohVuJxmoImi4 |
| v=spf1 +a +mx include:_spf.google.com include:eu.mailgun.org -all |
| Policy | Record (it-master.dk) |
|---|---|
| -all (hard fail) | v=spf1 +a +mx include:_spf.google.com include:eu.mailgun.org -all |
| Policy | Record (_dmarc.it-master.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject |
| www CNAME | it-master.dk (all on it-master.dk) → 162.55.22.237 (AS24940) |
| www vs bare domain | Same network |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| default | — | RSA · ~1024 bit below 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: 5/10 · policy: -all
No problems found| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.it-master.dk | 7U3HMbSEqYivEInfEPDcTW2Egn_-kESJ0u3nw0P3AnY |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2026080902 |
| Primary NS (MNAME) | ns2.itmaster.net |
| Responsible (RNAME) | jh@infrequent.group |
| Refresh | 3600s |
| Retry | 600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 10800s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2019-02-14 |
| Expires | 2027-02-28 (134d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-09 07:36:24 | 1179ms | 2 NS 1 A 4 MX | 🔓 Insecure |
| 2026-10-01 02:55:04 | 13585ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-09-20 04:56:08 | 9836ms | 2 NS 1 A 4 MX | 🔓 Insecure |
| 2026-09-03 05:52:49 | 1321ms | 2 NS 1 A 4 MX | 🔓 Insecure |
| 2026-08-28 10:35:37 | 1069ms | 2 NS 1 A 4 MX | 🔓 Insecure |
| 2026-08-10 12:41:35 shown | 3262ms | 2 NS 1 A 4 MX | 🔓 Insecure |
| 2026-06-22 01:33:26 | 673ms | 2 NS 1 A 4 MX | 🔓 Insecure |
| 2026-06-17 22:09:26 | 880ms | 2 NS 1 A 4 MX | 🔓 Insecure |