aj42.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 20 November 2024 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 178.79.135.246 is hosted by Akamai Connected Cloud (AS63949) in United Kingdom. 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 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 |
|---|---|---|---|---|---|---|---|
| 178.79.135.246 | — | li191-246.members.linode.com | AS63949 | Akamai Connected Cloud | 178.79.128.0/18 | 🇬🇧 United Kingdom | — |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a01:7e00::f03c:91ff:fedb:fce8 | — | — | AS63949 | Akamai Connected Cloud | 2a01:7e00:0:0:0:0:0:0/30 | 🇬🇧 United Kingdom | London |
| TXT Record |
|---|
| protonmail-verification=c70b6a7b361380f77a3a494c77bcb24454046af9 |
| v=spf1 include:_spf.protonmail.ch ~all |
| Policy | Record (aj42.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_spf.protonmail.ch ~all |
| Policy | Record (_dmarc.aj42.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine |
| www | 178.79.135.246 2a01:7e00::f03c:91ff:fedb:fce8 (AS63949) (address records, no CNAME) |
| www vs bare domain | Same network aj42.dk: 178.79.135.246 2a01:7e00::f03c:91ff:fedb:fce8 (AS63949) www.aj42.dk: 178.79.135.246 2a01:7e00::f03c:91ff:fedb:fce8 (AS63949) |
| Wildcard | Yes: any name under the zone resolves |
| 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 | 6111A5698D23C89E09C36FF833C1487E… |
| SMTP _25._tcp.mailsec.protonmail.ch | DANE-EE · SPKI · SHA-256 | 76BB66711DA416433CA890A5B2E5A053… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026060901 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Field | Value |
|---|---|
| Registrar | ONE.COM A/S |
| Registered | 2024-11-20 |
| Expires | 2026-11-19 (31d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-09 15:12:35 | 1077ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-09 06:32:31 | 6753ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-08 10:40:13 | 1451ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-26 16:58:58 | 928ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-11 13:42:12 | 1143ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-07 19:58:00 | 5032ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-18 20:33:01 | 5107ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-14 10:17:28 | 1061ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-04 23:09:25 | 1074ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-24 09:06:53 | 936ms | 2 NS 1 A 2 MX | ⚠️ Bogus |
| 2026-06-16 12:54:56 shown | 2160ms | 2 NS 1 A 2 MX | 🔒 Secure |