mjoergensenbyg.dk is a .dk domain served by 4 nameservers (helium.rapid.dev, hydrogen.rapid.dev, nitrogen.rapid.dev and 1 more). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 37.27.162.8 is hosted by Hetzner Online GmbH (AS24940) in Finland. Mail is handled by mail.protonmail.ch, mailsec.protonmail.ch. The zone is DNSSEC-signed and validates, publishes a 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 |
|---|---|---|---|---|---|---|---|
| 37.27.162.8 | 3598s | nitrogen.rapid.dev | AS24940 | Hetzner Online GmbH | 37.27.0.0/16 | 🇫🇮 Finland | Helsinki |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a01:4f9:3071:339a::1 | 3600s | — | AS24940 | Hetzner Online GmbH | 2a01:4f8:0:0:0:0:0:0/31 | 🇫🇮 Finland | Helsinki |
| TXT Record |
|---|
| protonmail-verification=e4bd6fbbd36ee03caa698917bf01a0405cfb86b4 |
| v=spf1 include:_spf.protonmail.ch ~all |
| Policy | Record (mjoergensenbyg.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_spf.protonmail.ch ~all |
| Policy | Record (_dmarc.mjoergensenbyg.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine |
| www | NXDOMAIN |
| www vs bare domain | www does not resolve (all like this) |
| Wildcard | No |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 2/10 · policy: ~all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mail.protonmail.ch | DANE-EE · SPKI · SHA-256 | 6111A5698D23C89E09C36FF833C1487E… |
| SMTP _25._tcp.mail.protonmail.ch | DANE-EE · SPKI · SHA-256 | 76BB66711DA416433CA890A5B2E5A053… |
| SMTP _25._tcp.mailsec.protonmail.ch | DANE-EE · SPKI · SHA-256 | 76BB66711DA416433CA890A5B2E5A053… |
| SMTP _25._tcp.mailsec.protonmail.ch | DANE-EE · SPKI · SHA-256 | 6111A5698D23C89E09C36FF833C1487E… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026042112 |
| Primary NS (MNAME) | hydrogen.rapid.dev |
| Responsible (RNAME) | hostmaster@rapid.dev |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-30 14:07:09 shown | 5681ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-26 11:28:23 | 8298ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-19 07:42:26 | 22902ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-18 07:07:12 | 65535ms | 4 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-11 00:39:07 | 1469ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-07 06:40:06 | 65535ms | 4 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-06-19 16:14:22 | 1549ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-18 05:31:32 | 2771ms | 4 NS 1 A 2 MX | 🔒 Secure |