cerbo.dk is a .dk domain served by 2 nameservers (ns.web-solutions.dk, ns2.web-solutions.dk). It was registered on 2 December 1998 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 81.7.149.249 is hosted by Sentia Denmark A/S (AS47292) in Denmark. The zone is DNSSEC-signed and validates, 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 |
|---|---|---|---|
| ns.web-solutions.dk | 81.7.150.66 | ns.web-solutions.dk | AS47292 Sentia Denmark A/S |
| ns2.web-solutions.dk | 185.12.179.209 | ns2.web-solutions.dk | AS200185 Aruba S.p.A. |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 81.7.149.249 | 21600s | — | AS47292 | Sentia Denmark A/S | 81.7.148.0/22 | 🇩🇰 Denmark | Kongens Lyngby |
| www | 195.56.148.91 (AS5483) (address records, no CNAME) |
| www vs bare domain | Different networks (all like this) |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2016036935 |
| Primary NS (MNAME) | ns.web-solutions.dk |
| Responsible (RNAME) | hostmaster@web-solutions.eu |
| Refresh | 28800s |
| Retry | 7200s |
| Expire | 2419200s |
| Minimum (neg-cache TTL) | 21600s |
| Field | Value |
|---|---|
| Registrar | WEB SOLUTIONS A/S |
| Registered | 1998-12-02 |
| Expires | 2026-12-31 (74d) |
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).
No other domain with this registrant in our WHOIS data yet| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-15 17:40:56 | 1184ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-08 14:08:53 | 1890ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-01 13:10:57 | 713ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-25 12:25:02 | 2506ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-24 05:00:45 | 525ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-21 13:42:35 | 886ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-14 11:18:28 | 1143ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-07 08:23:50 | 828ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-27 21:14:41 | 491ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-20 04:21:50 | 3828ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-13 02:37:57 | 779ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-06 19:36:39 | 870ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-01 04:31:10 | 1058ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-07-23 20:35:32 | 497ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-07-16 18:26:32 | 871ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-07-10 02:17:44 shown | 974ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-07-03 03:36:11 | 1380ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-27 17:53:25 | 566ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-21 09:06:10 | 881ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-16 20:10:55 | 291ms | 2 NS 1 A 0 MX | 🔒 Secure |