| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 104.21.34.249 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.166.165 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 172.67.166.165 |
| 🔶 Autoconfig | 104.21.34.249 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3032::6815:22f9 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3035::ac43:a6a5 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.34.249,172.67.166.165 ech=AEX+DQBBKgAgACCagOE0lmOvNWN5uy3ezyGns3addflhunnKLGpZ9c/7MwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:22f9,2606:4700:3035::ac43:a6a5 |
| 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 | D4C349E7B72F5CF4A9CEA358F98947C2… |
| SMTP _25._tcp.mx3-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | 56315B43B892E9AEE184919EC6A5821C… |
| 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 | 2412755834 |
| 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 | |
|---|---|---|---|---|
| 2026-08-28 00:32:00 | 1359ms | 2 NS 2 A 3 MX | 🔓 Insecure | View |
| 2026-08-21 10:48:46 | 10710ms | 2 NS 2 A 3 MX | 🔓 Insecure | View |
| 2026-08-09 15:16:39 | 5587ms | 2 NS 2 A 3 MX | 🔓 Insecure | View |
| 2026-06-29 02:56:56 | 1038ms | 2 NS 2 A 3 MX | 🔓 Insecure | View |
| 2026-06-28 11:08:51 | 1991ms | 2 NS 2 A 3 MX | 🔓 Insecure | View |
| 2026-06-24 02:20:52 | 1058ms | 2 NS 2 A 3 MX | 🔓 Insecure | View |
| 2026-06-23 21:37:23 | 1843ms | 2 NS 2 A 3 MX | 🔓 Insecure | View |
| 2026-06-17 01:05:55 | 2875ms | 2 NS 2 A 3 MX | 🔓 Insecure | View |