operakøbenhavn.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 | 600s | — | AS47292 | Sentia Denmark A/S | 81.7.176.0/20 | 🇩🇰 Denmark | Nordhavn |
| TXT Record |
|---|
| v=spf1 -all |
| Policy | Record (operakøbenhavn.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.operakøbenhavn.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; aspf=s; adkim=s; |
| www CNAME | xn--operakbenhavn-gnb.dk (all on xn--operakbenhavn-gnb.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 | ncache nxdomain overridden by dig AD |
| Field | Value |
|---|---|
| Serial | 2006026141 |
| 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) |
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 |
|---|---|---|---|
| 2026-10-25 16:34:46 | 683ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-15 03:08:53 | 345ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-08 17:13:38 | 1942ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-01 13:53:48 | 586ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-30 13:50:11 | 625ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-24 12:02:41 | 578ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-20 00:38:17 | 519ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-04 04:34:33 | 611ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-01 13:00:24 | 2811ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-28 06:48:41 | 489ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-27 06:24:24 | 604ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-21 05:49:57 | 5994ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-20 05:02:50 shown | 6474ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-13 15:24:45 | 652ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-10 16:37:07 | 3638ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-07-24 05:07:00 | 716ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-07-16 16:33:28 | 887ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-07-09 21:00:40 | 730ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-07-03 10:48:24 | 14489ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-27 10:20:08 | 668ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-21 04:16:58 | 2580ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-18 01:15:21 | 2651ms | 4 NS 1 A 0 MX | 🔒 Secure |