| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 104.21.3.175 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.130.252 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover-redirect.mailcloud.dk → 212.237.249.80 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3031::6815:3af | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3035::ac43:82fc | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.3.175,172.67.130.252 ech=AEX+DQBBLgAgACA7vYZanHA++EpkSDmYVe8RxTH8G7pwkcj/oN8vTSjoEgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:3af,2606:4700:3035::ac43:82fc |
| 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 | 2410411789 |
| Primary NS (MNAME) | jakub.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Scanned At | Duration | Records | DNSSEC | |
|---|---|---|---|---|
| 2026-09-01 14:49:34 | 511ms | 2 NS 2 A 0 MX | 🔓 Insecure | View |
| 2026-08-28 08:47:29 | 644ms | 2 NS 2 A 0 MX | 🔓 Insecure | View |
| 2026-08-27 01:19:26 | 703ms | 2 NS 2 A 0 MX | 🔓 Insecure | View |
| 2026-07-25 05:37:04 | 729ms | 2 NS 2 A 0 MX | 🔓 Insecure | View |
| 2026-07-06 10:32:07 | 4285ms | 2 NS 2 A 0 MX | 🔓 Insecure | View |
| 2026-06-25 19:39:21 | 1871ms | 2 NS 2 A 0 MX | 🔓 Insecure | View |
| 2026-06-20 20:56:24 | 3432ms | 2 NS 2 A 0 MX | 🔓 Insecure | View |
| 2026-06-17 14:42:06 | 367ms | 0 NS 0 A 0 MX | ❓ Unknown | View |