mail-in.dk is a .dk domain served by 2 nameservers (arturo.ns.cloudflare.com, melina.ns.cloudflare.com). It was registered on 17 March 2003 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 80.196.212.38 is hosted by TDC Holding A/S (AS3292) in Denmark. Mail is handled by mailin-dk01b.mail.protection.outlook.com. 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 80.196.212.38 | 300s | — | AS3292 | TDC Holding A/S | 80.196.0.0/14 | 🇩🇰 Denmark | Fredericia |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.98.149.152 |
| TXT Record |
|---|
| v=spf1 ip4:80.196.212.36/30 ip6:2001:6c8:dc81:101::/64 include:spf.protection.outlook.com ~all |
| Policy | Record (mail-in.dk) |
|---|---|
| ~all (soft fail) | v=spf1 ip4:80.196.212.36/30 ip6:2001:6c8:dc81:101::/64 include:spf.protection.outlook.com ~all |
| Policy | Record (_dmarc.mail-in.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; rua=mailto:01c5bd9bd8764cd7b254ee38be1104bc@dmarc-reports.cloudflare.net |
| www | 188.114.96.1 188.114.97.1 2606:4700:3034::6815:1cb9 2606:4700:3036::ac43:9317 (AS13335) (address records, no CNAME) |
| www vs bare domain | Different networks mail-in.dk: 80.196.212.38 (AS3292) (all like this)www.mail-in.dk: 188.114.96.1 188.114.97.1 2606:4700:3034::6815:1cb9 2606:4700:3036::ac43:9317 (AS13335) |
| 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 |
| Selector | CNAME | Key |
|---|---|---|
| selector2 | selector2-mailin-dk01b._domainkey.mailin.onmicrosoft.com | 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| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2415852481 |
| Primary NS (MNAME) | arturo.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Domænehajen ApS |
| Registered | 2003-03-17 |
| Expires | 2027-03-31 (157d) |
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).
| Domain | Registrar |
|---|---|
| ceuten.dk | Domænehajen ApS |
| fdxconsulting.dk | Domænehajen ApS |
| mhphoto.dk | Domænehajen ApS |
| ospf.dk | Punktum dk A/S (direct) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-23 03:59:02 | 603ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-08 21:52:12 | 1315ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-28 19:40:01 | 1367ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-26 19:29:20 shown | 1449ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-24 18:54:22 | 911ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-23 18:41:06 | 1423ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-08 04:24:14 | 2304ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-26 15:53:52 | 676ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-22 07:19:37 | 6548ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-12 16:46:44 | 2215ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-09 03:18:55 | 2879ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-07 05:14:43 | 1603ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-31 10:36:23 | 17397ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-26 18:42:18 | 9432ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-18 22:16:28 | 3787ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-26 22:28:10 | 1102ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-26 12:52:44 | 993ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-21 07:45:34 | 3054ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-18 00:34:33 | 1373ms | 2 NS 1 A 1 MX | 🔒 Secure |