| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 104.21.2.238 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.129.209 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 300s | mail.exer.dk | 2a04:52c0:108:c9a4::1 5.255.103.58 |
mail.exer.dk mail.exer.dk |
AS60404 The Infrastructure Group B.V. AS60404 The Infrastructure Group B.V. |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 104.21.2.238 |
| 🔶 Autoconfig | 104.21.2.238 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3036::ac43:81d1 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3037::6815:2ee | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.2.238,172.67.129.209 ech=AEX+DQBBiAAgACDwEbMk+V5vxoyLyunYXrpfvE4B481DgeXXk7G8UqFZDgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3036::ac43:81d1,2606:4700:3037::6815:2ee |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mail.exer.dk | DANE-EE · SPKI · SHA-256 | 59397706616DA37C4D924055C30DFAA3… |
| 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 | 2411469233 |
| Primary NS (MNAME) | kate.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |