jernsø.dk is a .dk domain served by 2 nameservers (ns1.jth.net, ns4.jth.net). It was registered on 25 June 2008 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. We saw it become registrar-handled on 15 October 2026, when it moved from direct registration at Punktum to dns.services ApS. Its website address 176.20.235.218 is hosted by TDC Holding A/S (AS3292) in Denmark. Mail is handled by mail.xn--jerns-zua.dk. 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 176.20.235.218 | 1800s | 176-20-235-218-static.dk.customer.tdc.net | AS3292 | TDC Holding A/S | 176.20.224.0/19 | 🇩🇰 Denmark | Kolding |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 43200s | mail.xn--jerns-zua.dk | 176.20.235.218 | 176-20-235-218-static.dk.customer.tdc.net | AS3292 TDC Holding A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 176.20.235.218 |
| 🔶 Autoconfig | 176.20.235.218 |
| www | 176.20.235.218 :: (AS3292) (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 |
| 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 | 2008063329 |
| Primary NS (MNAME) | ns1.jth.net |
| Responsible (RNAME) | hostmaster@jth.net |
| Refresh | 86400s |
| Retry | 3600s |
| Expire | 2419200s |
| Minimum (neg-cache TTL) | 1s |
| Field | Value |
|---|---|
| Registrar | dns.services ApS |
| Registered | 2008-06-25 |
| Expires | 2027-06-30 (247d) |
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 |
|---|---|---|---|
| 2026-10-19 09:06:55 | 1610ms | 4 NS 1 A 1 MX | ❓ Unknown |
| 2026-10-15 04:42:00 | 2224ms | 4 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-12 23:36:33 | 26623ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-07 16:10:40 | 8377ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-07 07:27:35 | 26584ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-06 01:34:19 | 27210ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-04 01:11:56 | 8454ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-01 00:53:07 | 10352ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-28 03:27:20 | 25276ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-27 03:01:44 | 25065ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-26 02:46:35 | 25111ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-25 02:11:58 | 25550ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-24 01:16:57 | 8873ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-21 04:01:40 | 25199ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-17 00:21:20 | 26985ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-03 19:29:54 | 26263ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-31 05:47:02 | 25610ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-29 17:42:11 | 26252ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-26 01:02:45 | 24710ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-24 14:56:01 | 26438ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-23 14:52:55 | 26807ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-21 08:23:27 | 9010ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-20 07:39:54 | 34760ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-16 13:33:32 shown | 12672ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-15 06:21:12 | 9850ms | 2 NS 1 A 1 MX | 🔒 Secure |