opera-københavn.dk is a .dk domain served by 4 nameservers (ns.web-solutions.dk, ns2.web-solutions.dk, ns3.web-solutions.eu and 1 more). It was registered on 1 February 2004 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 81.7.177.102 is hosted by Sentia Denmark A/S (AS47292) in Denmark. 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 |
|---|---|---|---|---|---|---|---|
| 81.7.177.102 | 21600s | — | AS47292 | Sentia Denmark A/S | 81.7.176.0/20 | 🇩🇰 Denmark | Nordhavn |
| TXT Record |
|---|
| v=spf1 -all |
| Policy | Record (opera-københavn.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.opera-københavn.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; aspf=s; adkim=s; |
| www CNAME | xn--opera-kbenhavn-wqb.dk (all on xn--opera-kbenhavn-wqb.dk) → 194.99.46.243 (AS34766) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 0/10 · 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 | 2006026132 |
| Primary NS (MNAME) | ns.web-solutions.dk |
| Responsible (RNAME) | hostmaster@web-solutions.dk |
| Refresh | 28800s |
| Retry | 7200s |
| Expire | 2419200s |
| Minimum (neg-cache TTL) | 21600s |
| Field | Value |
|---|---|
| Registrar | WEB SOLUTIONS A/S |
| Registered | 2004-02-01 |
| Expires | 2027-02-28 (123d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-22 20:03:49 | 592ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-16 19:07:37 | 2769ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-08 09:04:05 | 1151ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-02 05:16:38 | 1898ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-26 03:35:26 | 455ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-24 07:28:37 | 550ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-20 23:25:29 | 2080ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-04 08:44:15 | 750ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-27 19:34:37 | 438ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-21 02:21:21 | 4783ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-19 22:01:42 | 1042ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-13 09:57:53 | 743ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-07 05:54:16 | 4682ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-07-31 17:51:01 | 867ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-07-23 08:24:56 | 2539ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-07-17 03:01:11 | 801ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-07-09 15:57:07 | 862ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-07-03 11:48:57 | 543ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-26 08:45:35 shown | 753ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-17 23:47:03 | 734ms | 4 NS 1 A 0 MX | 🔒 Secure |