jan-jorgensen.dk is a .dk domain served by 2 nameservers (kolton.ns.cloudflare.com, surina.ns.cloudflare.com). It was registered on 3 November 2009 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.75.15 is hosted by Cloudflare, Inc. (AS13335). 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 |
|---|---|---|---|---|---|---|---|
| 104.21.75.15 | 600s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.166.121 | 600s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3031::6815:4b0f | 600s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3032::ac43:a679 | 600s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.75.15,172.67.166.121 ech=AEX+DQBB5QAgACANoKdFxxiFPsD4QSdYxkHiwK2EkxYzvvDDsPDlCWsLJQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:4b0f,2606:4700:3032::ac43:a679 |
| TXT Record |
|---|
| v=spf1 +a +mx +ip4:46.4.121.70 include:relay.mailchannels.net ~all |
| Policy | Record (jan-jorgensen.dk) |
|---|---|
| ~all (soft fail) | v=spf1 +a +mx +ip4:46.4.121.70 include:relay.mailchannels.net ~all |
| www | 104.21.75.15 172.67.166.121 2606:4700:3031::6815:4b0f 2606:4700:3032::ac43:a679 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network jan-jorgensen.dk: 104.21.75.15 172.67.166.121 2606:4700:3031::6815:4b0f 2606:4700:3032::ac43:a679 (AS13335) www.jan-jorgensen.dk: 104.21.75.15 172.67.166.121 2606:4700:3031::6815:4b0f 2606:4700:3032::ac43:a679 (AS13335) |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| default | — | RSA · ~2048 bit |
DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.
DNS lookups: 3/10 · policy: ~all
No problems found| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.jan-jorgensen.dk | Ur-y52kuESqq_Nx9CLqCj431VEjQgLL8R6OI1d6Z4U8 |
| 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 | 2405270662 |
| Primary NS (MNAME) | kolton.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | nordicway ApS |
| Registered | 2009-11-03 |
| Expires | 2026-11-30 (40d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-27 14:16:11 | 575ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-23 10:32:36 | 1236ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-21 20:31:24 | 647ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-17 07:47:08 | 833ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-07-25 07:30:30 | 2504ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-07-24 05:53:59 | 16952ms | 2 NS 2 A 0 MX | ❓ Unknown |
| 2026-06-21 21:37:29 shown | 539ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-20 04:14:37 | 976ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-17 19:48:56 | 703ms | 2 NS 2 A 0 MX | 🔓 Insecure |