hotelopera.dk is a .dk domain served by 2 nameservers (ns07.sac-it.dk, ns08.sac-it.dk). It was registered on 12 September 2001 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 91.143.127.30 is hosted by GlobalConnect A/S (AS31027) in Denmark. Mail is handled by mx2.zensystems.dk. 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns07.sac-it.dk | 85.235.243.63 | ns07.sac-it.dk | AS3308 Norlys Telco A/S |
| ns08.sac-it.dk | 128.76.60.63 | ns08.sac-it.dk | AS3292 TDC Holding A/S |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 91.143.127.30 | 60s | — | AS31027 | GlobalConnect A/S | 91.143.112.0/20 | 🇩🇰 Denmark | Copenhagen |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 60s | mx2.zensystems.dk | 212.60.112.160 | mx2.zensystems.dk | AS31027 GlobalConnect A/S |
| www | 91.143.127.30 (AS31027) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2026071601 |
| Primary NS (MNAME) | ns07.sac-it.dk |
| Responsible (RNAME) | hostmaster@hotelopera.dk |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2001-09-12 |
| Expires | 2027-09-30 (347d) |
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 |
|---|---|---|---|
| 2026-10-15 11:58:51 | 1010ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-08 20:05:28 | 588ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-01 16:06:35 | 2037ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-30 15:56:44 | 617ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-24 07:07:36 | 3034ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-18 04:22:28 | 4402ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-11 17:37:54 | 644ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-10 17:56:49 | 1236ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-03 15:05:26 | 3102ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-01 13:43:40 | 607ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-27 17:29:48 | 812ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-27 01:32:50 | 720ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-20 13:54:09 | 904ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-13 03:10:31 | 1543ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-06 18:06:49 | 627ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-24 03:42:36 | 1142ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-16 21:18:20 shown | 2750ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-09 06:06:47 | 906ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-03 13:11:02 | 1597ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-30 13:01:58 | 750ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-25 14:53:28 | 1472ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-21 00:16:28 | 1119ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-17 14:50:55 | 443ms | 0 NS 0 A 0 MX | ❓ Unknown |