subia.dk is a .dk domain served by 4 nameservers (arthur.cutisan.dk, bes.cutisan.dk, merlin.cutisan.dk and 1 more). It was registered on 24 March 1998 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by merlin.cutisan.dk. 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.
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 86400s | merlin.cutisan.dk | 2001:470:28:2f7:0:1:0:1 80.198.171.101 80.198.171.101 |
merlin.cutisan.dk 101.97-111.171.198.80.in-addr.arpa merlin.cutisan.dk |
AS6939 Hurricane Electric LLC AS3292 TDC Holding A/S AS3292 TDC Holding A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 172.31.230.230 |
| 🔶 Autoconfig | 172.31.230.230 |
| TXT Record |
|---|
| v=spf1 include:_spf.myemail.dk -all |
| Policy | Record (subia.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:_spf.myemail.dk -all |
| Policy | Record (_dmarc.subia.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; sp=reject; pct=100; fo=1; ri=86400; rua=mailto:postmaster@subia.dk; ruf=mailto:postmaster@subia.dk |
| www CNAME | arthur.cutisan.dk (all on cutisan.dk) |
| www vs bare domain | Only www resolves (all like this) |
| Wildcard | Yes: any name under the zone resolves |
| Denial of existence | NSEC3 · 10 iterations · 16-byte salt RFC 9276 recommends 0 iterations and no salt |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| default | — | RSA · ~2048 bit |
DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.
DNS lookups: 1/10 · policy: -all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.merlin.cutisan.dk | DANE-TA · SPKI · SHA-512 | 115F68647DC892788AD8BE021FDEA758… |
| SMTP _25._tcp.merlin.cutisan.dk | DANE-TA · SPKI · SHA-256 | 6EBCEFB4210B088654A38B03FEA3D7D1… |
| SMTP _25._tcp.merlin.cutisan.dk | DANE-TA · SPKI · SHA-256 | B3FB5D00E994CDDF2CC9A4EEA9F806BC… |
| SMTP _25._tcp.merlin.cutisan.dk | DANE-TA · SPKI · SHA-512 | 8B0A0CBBE72552E12AB3C82CF13F4793… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2023073401 |
| Primary NS (MNAME) | arthur.cutisan.dk |
| Responsible (RNAME) | postmaster@cutisan.dk |
| Refresh | 21600s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 86400s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 1998-03-24 |
| Expires | 2029-03-31 (896d) |
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).
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-16 11:16:07 | 2951ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-10-15 11:01:37 | 1428ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-10-12 06:18:41 | 4262ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-10-11 05:15:41 | 2221ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-10-07 13:29:11 | 1408ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-10-06 11:06:19 | 2346ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-10-03 09:24:04 | 2630ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-10-01 09:14:03 | 2919ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-28 06:56:50 | 3484ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-27 06:42:29 | 1590ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-24 05:47:02 | 1554ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-19 20:10:39 | 1069ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-16 03:14:52 | 5351ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-11 10:07:00 | 3133ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-07 11:48:48 shown | 1889ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-01 06:27:26 | 9843ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-08-29 05:28:12 | 3945ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-08-26 19:53:34 | 1757ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-08-25 16:34:04 | 5100ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-08-24 03:31:22 | 10131ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-08-22 01:17:01 | 10260ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-08-18 23:50:40 | 8229ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-08-17 20:04:17 | 2668ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-08-15 03:50:54 | 4852ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-08-10 11:06:10 | 2485ms | 4 NS 0 A 1 MX | 🔒 Secure |