jesperjarlskov.dk is a .dk domain served by 3 nameservers (helium.ns.hetzner.de, hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com). It was registered on 11 August 2008 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.199.108.153 is hosted by Fastly, Inc. (AS54113) in United States. Mail is handled by mx1.spamfilter.cc.jesperjarlskov.dk, mx2.spamfilter.cc.jesperjarlskov.dk and 1 more. The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 86400s | mx1.spamfilter.cc.jesperjarlskov.dk | — | — | — |
| 10 | 86400s | mx2.spamfilter.cc.jesperjarlskov.dk | — | — | — |
| 20 | 86400s | mx3.spamfilter.cc.jesperjarlskov.dk | — | — | — |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:50c0:8000::153 | 86400s | — | AS54113 | Fastly, Inc. | 2606:50c0:8000:0:0:0:0:0/46 | 🇺🇸 United States | — |
| 2606:50c0:8001::153 | 86400s | — | AS54113 | Fastly, Inc. | 2606:50c0:8000:0:0:0:0:0/46 | 🇺🇸 United States | — |
| 2606:50c0:8002::153 | 86400s | — | AS54113 | Fastly, Inc. | 2606:50c0:8000:0:0:0:0:0/46 | 🇺🇸 United States | — |
| 2606:50c0:8003::153 | 86400s | — | AS54113 | Fastly, Inc. | 2606:50c0:8000:0:0:0:0:0/46 | 🇺🇸 United States | — |
| Policy | Record (_dmarc.jesperjarlskov.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; |
| www CNAME | jarlskov.github.io (all on github.io) |
| www vs bare domain | Same network jesperjarlskov.dk: 185.199.108.153 185.199.109.153 185.199.110.153 185.199.111.153 (AS54113) www.jesperjarlskov.dk: 185.199.108.153 185.199.109.153 185.199.110.153 185.199.111.153 (AS54113) |
| 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 | 2026073105 |
| Primary NS (MNAME) | hydrogen.ns.hetzner.com |
| Responsible (RNAME) | dns@hetzner.com |
| Refresh | 86400s |
| Retry | 10800s |
| Expire | 3600000s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2008-08-11 |
| Expires | 2027-08-31 (313d) |
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 |
|---|---|
| frabunden.dk | Punktum dk A/S (direct) |
| levemand.dk | Punktum dk A/S (direct) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-27 16:04:06 shown | 1000ms | 3 NS 4 A 3 MX | 🔓 Insecure |
| 2026-09-12 19:27:00 | 2659ms | 3 NS 4 A 3 MX | 🔓 Insecure |
| 2026-08-28 03:16:54 | 1183ms | 3 NS 4 A 3 MX | 🔓 Insecure |
| 2026-08-02 12:02:57 | 16888ms | 3 NS 4 A 3 MX | 🔓 Insecure |
| 2026-06-21 20:03:31 | 859ms | 3 NS 4 A 3 MX | 🔓 Insecure |
| 2026-06-18 05:59:25 | 2888ms | 3 NS 4 A 3 MX | 🔓 Insecure |