| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 104.21.21.217 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.200.155 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 300s | hjerk.thoustrup.dk | — | — | — |
| 50 | 300s | backup-mx.post.tele.dk | — | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 172.67.200.155 |
| 🔶 Autoconfig | 104.21.21.217 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3031::ac43:c89b | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3037::6815:15d9 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.21.217,172.67.200.155 ech=AEX+DQBBwQAgACD/u+hmtJtvMmVGHTkPSqC7uyXx305cJHfayZbuaZdTUQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:c89b,2606:4700:3037::6815:15d9 |
| 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 | 2410801150 |
| Primary NS (MNAME) | erin.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Scanned At | Duration | Records | DNSSEC | |
|---|---|---|---|---|
| 2026-08-25 04:20:18 | 827ms | 2 NS 2 A 2 MX | 🔓 Insecure | View |
| 2026-07-29 18:01:33 | 5240ms | 2 NS 2 A 2 MX | 🔓 Insecure | View |
| 2026-07-22 02:18:24 | 9532ms | 2 NS 2 A 2 MX | 🔓 Insecure | View |
| 2026-06-27 14:08:18 | 2523ms | 2 NS 2 A 2 MX | 🔓 Insecure | View |
| 2026-06-18 07:26:31 | 1403ms | 2 NS 2 A 2 MX | 🔓 Insecure | View |