jonathanhertz.dk is a .dk domain served by 2 nameservers (melody.ns.cloudflare.com, piotr.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.2.61 is hosted by Cloudflare, Inc. (AS13335). The zone is of unknown DNSSEC status, 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 |
|---|---|---|---|---|---|---|---|
| 104.21.2.61 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.128.211 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3032::ac43:80d3 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3037::6815:23d | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.2.61,172.67.128.211 ech=AEX+DQBBRwAgACARm/bvOI0HxRp470/OsGsCGrr5ZNiYWAWY4mxW38rBQQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:80d3,2606:4700:3037::6815:23d |
| www | NXDOMAIN |
| www vs bare domain | www does not resolve jonathanhertz.dk: 104.21.2.61 172.67.128.211 2606:4700:3032::ac43:80d3 2606:4700:3037::6815:23d (AS13335) (all like this)www.jonathanhertz.dk: no address |
| Wildcard | No |
| Check | Result |
|---|---|
| Validation Status | ❓ Unknown |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | broken trust chain resolving 'jonathanhertz.dk/A/IN': 127.0.0.1#53 |
| Field | Value |
|---|---|
| Serial | 2409245819 |
| Primary NS (MNAME) | melody.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-04 04:08:41 | 352ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-30 11:05:05 | 1021ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-30 00:37:33 | 2284ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-29 19:43:22 | 1175ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-12 20:31:26 | 1542ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-07 14:48:10 | 812ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-01 23:51:19 | 16702ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-07-13 06:13:17 shown | 1023ms | 2 NS 2 A 0 MX | ❓ Unknown |
| 2026-07-08 18:29:26 | 1315ms | 2 NS 2 A 0 MX | ❓ Unknown |
| 2026-07-01 09:46:25 | 779ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-17 12:11:09 | 3516ms | 2 NS 2 A 0 MX | 🔓 Insecure |