jacobtønder.dk is a .dk domain served by 4 nameservers (ns1pri.webhosting.dk, ns2.webhosting.dk, ns3.webhosting.dk and 1 more). It was registered on 31 August 2018 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 144.91.88.8 is hosted by Contabo GmbH (AS51167) in France. Mail is handled by webhotel7.webhosting.dk. The zone is DNSSEC-signed but currently fails validation, 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 144.91.88.8 | 300s | vmi309710.contaboserver.net | AS51167 | Contabo GmbH | 144.91.64.0/18 | 🇫🇷 France | Lauterbourg |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 300s | webhotel7.webhosting.dk | 157.250.160.27 | webhotel7.webhosting.dk | AS3342 Cibicom A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 144.91.88.8 |
| 🔶 Autoconfig | 144.91.88.8 |
| www | 144.91.88.8 (AS51167) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.webhotel7.webhosting.dk | DANE-EE · SPKI · SHA-256 | FA4EFC305AA17A4FEEE8B29B2DAA8847… |
| SMTP _25._tcp.webhotel7.webhosting.dk | DANE-TA · SPKI · SHA-256 | FA4EFC305AA17A4FEEE8B29B2DAA8847… |
| Check | Result |
|---|---|
| Validation Status | ⚠️ Bogus |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | resolution failed: ncache nxdomain |
| Field | Value |
|---|---|
| Serial | 3112201937 |
| Primary NS (MNAME) | ns1pri.webhosting.dk |
| Responsible (RNAME) | hostmaster@webhosting.dk |
| Refresh | 21600s |
| Retry | 3600s |
| Expire | 14515200s |
| Minimum (neg-cache TTL) | 300s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2018-08-31 |
| Expires | 2027-08-31 (310d) |
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).
| Domain | Registrar |
|---|---|
| jacobtonder.dk | Punktum dk A/S (direct) |
| softwarekonsulenten.dk | Punktum dk A/S (direct) |
| viderestil.dk | Punktum dk A/S (direct) |
| youngla.dk | Punktum dk A/S (direct) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-30 19:30:57 | 775ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-24 11:46:28 | 970ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-23 01:58:24 | 728ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-28 02:28:58 | 1158ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-18 11:33:34 | 1037ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-02 09:53:25 | 1298ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-22 15:49:38 shown | 3050ms | 4 NS 1 A 1 MX | ⚠️ Bogus |
| 2026-06-20 16:11:35 | 912ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-17 20:22:33 | 616ms | 5 NS 1 A 1 MX | 🔒 Secure |