jahns.dk is a .dk domain served by 2 nameservers (ns1.onwelcom.dk, ns2.onwelcom.dk). It was registered on 24 February 1998 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 199.36.158.100 is hosted by Fastly, Inc. (AS54113) in United States. Mail is handled by alt1.aspmx.l.google.com, aspmx.l.google.com. The zone is not DNSSEC-signed, 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 |
|---|---|---|---|
| ns1.onwelcom.dk | 185.51.79.241 | mail.onwelcom.dk | AS205984 Powernet Aps |
| ns2.onwelcom.dk | 185.51.79.251 | — | AS205984 Powernet Aps |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 199.36.158.100 | — | — | AS54113 | Fastly, Inc. | 199.36.158.0/24 | 🇺🇸 United States | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 199.36.158.100 |
| 🔶 Autoconfig | 199.36.158.100 |
| TXT Record |
|---|
| google-site-verification=wY0J1B81zgiXjQXgS62BtCRKQeVFKqOxcoCkqb8wlOk |
| www CNAME | 199.36.158.100 (all on 158.100) ⚠ Dangling: the CNAME target does not exist. If that name can be claimed (an unregistered domain, or a free name on a hosting platform), whoever claims it controls www.jahns.dk |
| www vs bare domain | www does not resolve (all like this) |
| Wildcard | Yes: any name under the zone resolves |
| 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 | 2022061523 |
| Primary NS (MNAME) | ns1.onwelcom.dk |
| Responsible (RNAME) | hostmaster@jahns.dk |
| Refresh | 3600s |
| Retry | 600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 86400s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 1998-02-24 |
| Expires | 2027-03-31 (155d) |
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 |
|---|---|---|---|
| 2026-10-07 20:42:43 | 472ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-20 21:01:52 | 501ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-17 19:20:53 shown | 557ms | 2 NS 1 A 2 MX | 🔓 Insecure |