johnsengarbrecht.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. Mail is handled by mail.protonmail.ch, mailsec.protonmail.ch. The zone is DNSSEC-signed and validates, 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.
| TXT Record |
|---|
| protonmail-verification=23bbcab05b6484db4020c96c3fefe51c5e3e092e |
| v=spf1 include:_spf.protonmail.ch mx ~all |
| Policy | Record (johnsengarbrecht.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_spf.protonmail.ch mx ~all |
| Policy | Record (_dmarc.johnsengarbrecht.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; rua=mailto:troels@johnsengarbrecht.dk |
| www | NXDOMAIN |
| www vs bare domain | Neither resolves johnsengarbrecht.dk: no address www.johnsengarbrecht.dk: no address |
| Wildcard | No |
DNS lookups: 3/10 · 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 | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2026081401 |
| 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 08:18:09 | 598ms | 2 NS 0 A 2 MX | 🔓 Insecure |
| 2026-09-30 09:20:13 | 524ms | 2 NS 0 A 2 MX | 🔓 Insecure |
| 2026-09-22 18:58:32 | 668ms | 2 NS 0 A 2 MX | 🔓 Insecure |
| 2026-09-17 15:25:32 | 1175ms | 2 NS 0 A 2 MX | 🔓 Insecure |
| 2026-09-11 06:27:31 | 1528ms | 2 NS 0 A 2 MX | 🔓 Insecure |
| 2026-09-09 01:51:49 | 719ms | 2 NS 0 A 2 MX | 🔓 Insecure |
| 2026-08-14 17:52:21 shown | 1067ms | 2 NS 0 A 2 MX | 🔒 Secure |
| 2026-07-16 18:55:05 | 913ms | 2 NS 0 A 2 MX | 🔒 Secure |
| 2026-06-19 15:19:23 | 1099ms | 2 NS 0 A 2 MX | 🔒 Secure |
| 2026-06-18 03:55:29 | 728ms | 2 NS 0 A 2 MX | 🔒 Secure |