| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 104.21.17.82 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.175.80 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 300s | www51.your-server.de | 213.133.104.51 2a01:4f8:d0a:2757::2 |
www51.your-server.de www51.your-server.de |
AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 172.67.175.80 |
| 🔶 Autoconfig | 104.21.17.82 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3030::6815:1152 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3030::ac43:af50 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.17.82,172.67.175.80 ech=AEX+DQBB/gAgACAEG/7Brqe/fvQzazr919c4T8/5fb5mXjy6SOggZUQaaAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:1152,2606:4700:3030::ac43:af50 |
| 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 | 2410374950 |
| Primary NS (MNAME) | addyson.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Scanned At | Duration | Records | DNSSEC | |
|---|---|---|---|---|
| 2026-08-31 18:28:49 | 1298ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-07-25 03:22:51 | 2523ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-07-10 21:09:44 | 1465ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-06-26 17:03:29 | 977ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-06-20 05:42:50 | 1380ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-06-16 15:46:13 | 4513ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-06-16 15:35:42 | 543ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |