carentius.dk is a .dk domain served by 2 nameservers (micah.ns.cloudflare.com, monika.ns.cloudflare.com). It was registered on 2 February 2001 (WHOIS) and 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| micah.ns.cloudflare.com | — | — | — |
| monika.ns.cloudflare.com | — | — | — |
| TXT Record |
|---|
| protonmail-verification=04d587ea24382438d3a579749261df2aa444d7c4 |
| v=spf1 include:_spf.protonmail.ch ~all |
| Policy | Record (carentius.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_spf.protonmail.ch ~all |
| Policy | Record (_dmarc.carentius.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine |
| www | Exists, no address |
| www vs bare domain | Neither resolves carentius.dk: no address www.carentius.dk: no address |
| 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: 2/10 · 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… |
| 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 | 2406683766 |
| Primary NS (MNAME) | micah.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 | 2001-02-02 |
| Expires | 2027-03-31 (164d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-17 12:07:35 | 1660ms | 2 NS 0 A 2 MX | 🔒 Secure |
| 2026-10-08 11:54:24 | 1517ms | 2 NS 0 A 2 MX | 🔒 Secure |
| 2026-10-08 11:25:55 | 830ms | 2 NS 0 A 2 MX | 🔒 Secure |
| 2026-10-04 02:44:58 | 3019ms | 2 NS 0 A 2 MX | 🔒 Secure |
| 2026-10-03 02:35:19 | 831ms | 2 NS 0 A 2 MX | 🔒 Secure |
| 2026-10-01 02:29:09 | 625ms | 2 NS 0 A 2 MX | 🔒 Secure |
| 2026-09-29 03:16:54 | 1901ms | 2 NS 0 A 2 MX | 🔒 Secure |
| 2026-09-24 01:54:12 | 636ms | 2 NS 0 A 2 MX | 🔒 Secure |
| 2026-09-20 01:50:16 | 840ms | 2 NS 0 A 2 MX | 🔒 Secure |
| 2026-09-17 19:17:44 | 2660ms | 2 NS 0 A 2 MX | 🔒 Secure |
| 2026-08-30 15:16:50 | 5554ms | 2 NS 0 A 2 MX | 🔒 Secure |
| 2026-08-10 14:55:29 | 4202ms | 2 NS 0 A 2 MX | 🔒 Secure |
| 2026-08-06 03:53:12 | 1230ms | 2 NS 0 A 2 MX | 🔒 Secure |
| 2026-08-03 03:50:32 | 1239ms | 2 NS 0 A 2 MX | 🔒 Secure |
| 2026-07-13 09:29:32 | 1034ms | 2 NS 0 A 2 MX | 🔒 Secure |
| 2026-07-10 23:11:01 | 3567ms | 2 NS 0 A 2 MX | 🔒 Secure |
| 2026-07-07 00:50:21 | 1650ms | 2 NS 0 A 2 MX | 🔒 Secure |
| 2026-07-03 17:53:43 | 3017ms | 2 NS 0 A 2 MX | 🔒 Secure |
| 2026-07-01 04:07:28 | 988ms | 2 NS 0 A 2 MX | 🔒 Secure |
| 2026-06-16 19:23:40 shown | 447ms | 2 NS 0 A 2 MX | 🔒 Secure |
| 2026-06-16 19:20:45 | 1321ms | 2 NS 0 A 2 MX | 🔒 Secure |