3mobile.dk is a .dk domain served by 5 nameservers (nordic1.dnsnode.net, ns.hi3gaccess.se, ns2.hi3gaccess.se and 2 more). It was registered on 28 October 2005 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mail.tre.se, secondary.tre.se. The zone is not DNSSEC-signed, has no 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 | 3600s | mail.tre.se | — | — | — |
| 15 | 3600s | secondary.tre.se | 80.251.192.98 | secondary.hi3gaccess.se | AS44034 Hi3G Access AB |
| www | NXDOMAIN |
| www vs bare domain | Neither resolves 3mobile.dk: no address www.3mobile.dk: no address |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✓ Found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2026101200 |
| Primary NS (MNAME) | ns.hi3gaccess.se |
| Responsible (RNAME) | hostmaster@tre.se |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | CSC Digital Brand Service, Inc |
| Registered | 2005-10-28 |
| Expires | 2027-10-31 (379d) |
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 07:32:17 | 1260ms | 5 NS 0 A 2 MX | 🔓 Insecure |
| 2026-10-15 03:57:50 | 1561ms | 5 NS 0 A 2 MX | 🔓 Insecure |
| 2026-10-13 01:31:28 shown | 523ms | 5 NS 0 A 2 MX | 🔓 Insecure |
| 2026-10-11 20:59:15 | 1670ms | 5 NS 0 A 2 MX | 🔓 Insecure |
| 2026-10-09 19:02:33 | 1951ms | 5 NS 0 A 2 MX | 🔓 Insecure |
| 2026-10-08 14:02:51 | 664ms | 5 NS 0 A 2 MX | 🔓 Insecure |
| 2026-10-07 13:59:06 | 529ms | 5 NS 0 A 2 MX | 🔓 Insecure |
| 2026-10-05 12:54:26 | 716ms | 5 NS 0 A 2 MX | 🔓 Insecure |
| 2026-10-04 12:39:52 | 666ms | 5 NS 0 A 2 MX | 🔓 Insecure |
| 2026-10-03 12:34:51 | 591ms | 5 NS 0 A 2 MX | 🔓 Insecure |
| 2026-10-01 12:30:47 | 674ms | 5 NS 0 A 2 MX | 🔓 Insecure |
| 2026-09-30 12:25:22 | 1724ms | 5 NS 0 A 2 MX | 🔓 Insecure |
| 2026-09-29 12:20:31 | 617ms | 5 NS 0 A 2 MX | 🔓 Insecure |
| 2026-09-27 12:04:29 | 607ms | 5 NS 0 A 2 MX | 🔓 Insecure |
| 2026-09-26 11:55:45 | 508ms | 5 NS 0 A 2 MX | 🔓 Insecure |
| 2026-09-25 11:38:56 | 1024ms | 5 NS 0 A 2 MX | 🔓 Insecure |
| 2026-09-23 11:14:55 | 871ms | 5 NS 0 A 2 MX | 🔓 Insecure |
| 2026-09-21 13:47:41 | 925ms | 5 NS 0 A 2 MX | 🔓 Insecure |
| 2026-09-14 11:56:27 | 807ms | 5 NS 0 A 2 MX | 🔓 Insecure |
| 2026-09-08 23:54:46 | 1229ms | 5 NS 0 A 2 MX | 🔓 Insecure |
| 2026-09-07 11:31:54 | 1186ms | 5 NS 0 A 2 MX | 🔓 Insecure |
| 2026-09-05 19:11:53 | 9875ms | 5 NS 0 A 2 MX | 🔓 Insecure |
| 2026-08-30 07:51:44 | 1562ms | 5 NS 0 A 2 MX | 🔓 Insecure |
| 2026-08-28 23:55:06 | 1860ms | 5 NS 0 A 2 MX | 🔓 Insecure |
| 2026-08-26 15:12:22 | 1015ms | 5 NS 0 A 2 MX | 🔓 Insecure |