| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 104.21.27.79 | 299s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.141.212 | 299s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 104.21.27.79 |
| 🔶 Autoconfig | 172.67.141.212 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3030::ac43:8dd4 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3031::6815:1b4f | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.27.79,172.67.141.212 ech=AEX+DQBBRQAgACCHB5QzKteGc9h28o+qRDsJ+UpMSwuA/ZewuSPZ/I8gLQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:8dd4,2606:4700:3031::6815:1b4f |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx1-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | D4C349E7B72F5CF4A9CEA358F98947C2… |
| SMTP _25._tcp.mx1-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | 56315B43B892E9AEE184919EC6A5821C… |
| SMTP _25._tcp.mx2-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | D4C349E7B72F5CF4A9CEA358F98947C2… |
| SMTP _25._tcp.mx2-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | 56315B43B892E9AEE184919EC6A5821C… |
| SMTP _25._tcp.mx3-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | 56315B43B892E9AEE184919EC6A5821C… |
| SMTP _25._tcp.mx3-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | D4C349E7B72F5CF4A9CEA358F98947C2… |
| 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 | 2412775541 |
| Primary NS (MNAME) | anton.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Scanned At | Duration | Records | DNSSEC | |
|---|---|---|---|---|
| 2026-08-21 22:18:58 | 11127ms | 2 NS 2 A 3 MX | 🔓 Insecure | View |
| 2026-08-18 21:15:14 | 4110ms | 2 NS 2 A 3 MX | 🔓 Insecure | View |
| 2026-08-17 02:11:56 | 6530ms | 2 NS 2 A 3 MX | 🔓 Insecure | View |
| 2026-08-09 02:44:34 | 1380ms | 2 NS 2 A 3 MX | 🔓 Insecure | View |
| 2026-06-24 05:08:13 | 1306ms | 2 NS 2 A 3 MX | 🔓 Insecure | View |
| 2026-06-20 05:53:10 | 1487ms | 2 NS 2 A 3 MX | ⚠️ Bogus | View |
| 2026-06-18 22:23:18 | 1159ms | 2 NS 2 A 3 MX | 🔓 Insecure | View |
| 2026-06-16 12:54:54 | 2709ms | 2 NS 2 A 3 MX | 🔓 Insecure | View |