aachr.dk is a .dk domain served by 2 nameservers (karl.ns.cloudflare.com, rafe.ns.cloudflare.com). It was registered on 4 December 2017 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 176.20.225.62 is hosted by TDC Holding A/S (AS3292) in Denmark. Mail is handled by mail.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 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 |
|---|---|---|---|---|---|---|---|
| 176.20.225.62 | 300s | 176-20-225-62-static.dk.customer.tdc.net | AS3292 | TDC Holding A/S | 176.20.224.0/19 | 🇩🇰 Denmark | Kolding |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 300s | mail.protonmail.ch | 176.119.200.128 185.205.70.128 185.70.42.128 |
mail.protonmail.ch mail.protonmail.ch mail.protonmail.ch |
AS62371 Proton AG AS62371 Proton AG AS62371 Proton AG |
| TXT Record |
|---|
| protonmail-verification=901d82d032595a4db71ba0846fbb788ddbe2cf95 |
| v=spf1 include:_spf.protonmail.ch mx ~all |
| Policy | Record (aachr.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_spf.protonmail.ch mx ~all |
| Policy | Record (_dmarc.aachr.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; rua=mailto:jonasaac@pm.me |
| www CNAME | aachr.dk (all on aachr.dk) → 176.20.225.62 (AS3292) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | Compact NSEC (RFC 9824, "black lies") not walkable |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
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 | 76BB66711DA416433CA890A5B2E5A053… |
| SMTP _25._tcp.mail.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 | 2417495411 |
| Primary NS (MNAME) | karl.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2017-12-04 |
| Expires | 2032-12-31 (2266d) |
Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).
No other domain with this registrant in our WHOIS data yet| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-15 14:04:11 shown | 2109ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-29 23:25:04 | 668ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-27 02:19:02 | 2218ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-24 00:53:17 | 1421ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-15 20:29:34 | 1036ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-28 18:48:34 | 2184ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-06 05:36:18 | 1223ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-29 14:33:59 | 1668ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-18 20:45:53 | 926ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-13 12:15:03 | 1320ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-19 07:47:44 | 3141ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-16 12:46:23 | 564ms | 2 NS 1 A 1 MX | 🔒 Secure |