| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 104.21.95.7 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.142.122 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 300s | mx1.de.opalstack.com | 139.162.189.90 2a01:7e01:e001:856::1 |
mx1.de.opalstack.com mx1.de.opalstack.com |
AS63949 Akamai Connected Cloud AS63949 Akamai Connected Cloud |
| 10 | 300s | mx2.de.opalstack.com | 178.162.221.165 | mx2.de.opalstack.com | AS28753 Leaseweb Deutschland GmbH |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 104.21.95.7 |
| 🔶 Autoconfig | 172.67.142.122 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3036::ac43:8e7a | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3037::6815:5f07 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.95.7,172.67.142.122 ech=AEX+DQBBUwAgACCQsYj7IWUHHyZpo6yGzBmR8SzCS6cFp89ZTYstc9j3cgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3036::ac43:8e7a,2606:4700:3037::6815:5f07 |
| 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 | 2412897507 |
| Primary NS (MNAME) | adaline.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Scanned At | Duration | Records | DNSSEC | |
|---|---|---|---|---|
| 2026-08-23 08:05:08 | 1688ms | 2 NS 2 A 2 MX | 🔓 Insecure | View |
| 2026-08-22 07:50:34 | 4799ms | 2 NS 2 A 2 MX | 🔓 Insecure | View |
| 2026-07-17 08:22:50 | 1445ms | 2 NS 2 A 2 MX | 🔓 Insecure | View |
| 2026-06-22 19:48:55 | 1396ms | 2 NS 2 A 2 MX | 🔓 Insecure | View |
| 2026-06-20 23:04:40 | 1732ms | 2 NS 2 A 2 MX | 🔓 Insecure | View |
| 2026-06-20 18:48:40 | 1202ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-17 14:16:59 | 2932ms | 2 NS 2 A 2 MX | 🔓 Insecure | View |