computertilbud.dk is a .dk domain served by 2 nameservers (ns1.123hotel.dk, ns2.123hotel.dk). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 81.19.249.114 is hosted by Sentia Denmark A/S (AS47292) in Denmark. Mail is handled by mail.computertilbud.dk, backup-mx.zitcom.dk. The zone is DNSSEC-signed but currently fails validation, 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 81.19.249.114 | 43200s | sequelsite1.sequelsite.dk | AS47292 | Sentia Denmark A/S | 81.19.248.0/22 | 🇩🇰 Denmark | Rødovre Municipality |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 81.19.249.114 |
| 🔶 Autoconfig | 81.19.249.114 |
| www | 81.19.249.114 (AS47292) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| Denial of existence | NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Check | Result |
|---|---|
| Validation Status | ⚠️ Bogus |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | broken trust chain resolving 'computertilbud.dk/DS/IN': 127.0.0.1#53 |
| Field | Value |
|---|---|
| Serial | 2021111801 |
| Primary NS (MNAME) | ns1.123hotel.dk |
| Responsible (RNAME) | hostmaster@123hotel.dk |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 300s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-30 16:28:19 | 549ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-30 06:49:13 | 479ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-27 17:50:23 | 629ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-02 15:26:49 | 534ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-24 14:18:01 shown | 3125ms | 2 NS 1 A 2 MX | ⚠️ Bogus |
| 2026-06-24 09:38:58 | 1173ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-23 23:08:32 | 1037ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-22 03:29:20 | 1175ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-20 11:15:51 | 2327ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-20 06:58:46 | 951ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-19 18:18:05 | 3884ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-19 00:53:06 | 695ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-16 22:44:10 | 65535ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-16 22:12:14 | 569ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-16 22:12:00 | 2158ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-16 22:01:24 | 700ms | 2 NS 1 A 2 MX | 🔒 Secure |