certif.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 21 August 2009 (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 not DNSSEC-signed, has no DMARC policy and is reachable over IPv6. 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 | 3600s | — | AS47292 | Sentia Denmark A/S | 81.7.176.0/20 | 🇩🇰 Denmark | Nordhavn |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2001:67c:3c0:12::53 | 3600s | — | AS51468 | One.com A/S | 2001:67c:3c0:0:0:0:0:0/48 | 🇩🇰 Denmark | — |
| www CNAME | certif.dk (all on certif.dk) → 194.99.46.243 (AS34766) |
| 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 | 2022054963 |
| 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 | 2009-08-21 |
| Expires | 2027-08-31 (318d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-15 21:21:02 | 658ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-09 13:35:58 | 797ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-08 12:19:35 | 762ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-01 09:12:30 | 838ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-30 08:58:10 | 1236ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-28 00:35:29 | 9402ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-24 13:04:12 | 1890ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-18 02:13:41 | 2078ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-11 01:42:33 | 978ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-03 22:26:28 | 2659ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-28 03:43:34 | 555ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-21 11:39:19 | 4674ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-20 11:09:43 | 3516ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-20 11:06:08 | 4696ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-14 03:07:41 | 751ms | 4 NS 1 A 1 MX | ❓ Unknown |
| 2026-08-06 12:59:45 | 953ms | 4 NS 1 A 0 MX | 🔓 Insecure |
| 2026-08-04 04:46:39 | 1051ms | 4 NS 1 A 0 MX | 🔓 Insecure |
| 2026-07-24 00:57:20 | 691ms | 4 NS 1 A 0 MX | ❓ Unknown |
| 2026-07-16 21:26:34 shown | 9551ms | 4 NS 1 A 0 MX | 🔓 Insecure |
| 2026-07-11 20:15:54 | 9561ms | 4 NS 1 A 0 MX | 🔓 Insecure |
| 2026-07-03 13:59:05 | 8815ms | 4 NS 1 A 0 MX | 🔓 Insecure |
| 2026-06-27 09:06:07 | 1757ms | 4 NS 1 A 0 MX | 🔓 Insecure |
| 2026-06-21 09:53:47 | 1573ms | 4 NS 1 A 0 MX | 🔓 Insecure |
| 2026-06-16 20:10:12 | 437ms | 4 NS 1 A 0 MX | 🔓 Insecure |