| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 104.21.19.228 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.190.112 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 300s | smtp.xtracon.dk | — | — | — |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3031::6815:13e4 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3035::ac43:be70 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.19.228,172.67.190.112 ech=AEX+DQBBuQAgACB9vsRVxsKcL2Mu7UmPq3EASQpYtG0h7TlezZEybwJJVwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:13e4,2606:4700:3035::ac43:be70 |
| 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 | 2412276525 |
| Primary NS (MNAME) | clark.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 04:59:38 | 617ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-08-16 12:25:00 | 982ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-08-15 11:16:49 | 16954ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-07-20 08:14:47 | 2319ms | 2 NS 2 A 1 MX | ❓ Unknown | View |
| 2026-07-02 16:17:57 | 3403ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-06-18 09:39:17 | 943ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-06-16 12:56:05 | 1534ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |