| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 104.21.83.154 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.177.220 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 300s | mail.sabrokro.dk | 104.21.26.177 172.67.138.60 2606:4700:3033::ac43:8a3c 2606:4700:3037::6815:1ab1 |
— — — — |
AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3030::6815:539a | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3031::ac43:b1dc | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.83.154,172.67.177.220 ech=AEX+DQBBggAgACBHclfMwy7DK1vdiZ9AuCfuwGxzs/GXAluTLq+3REqFJQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:539a,2606:4700:3031::ac43:b1dc |
| 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 | 2411017352 |
| Primary NS (MNAME) | rajeev.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Scanned At | Duration | Records | DNSSEC | |
|---|---|---|---|---|
| 2026-08-02 12:49:11 | 988ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-07-22 01:20:07 | 1110ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-06-28 03:38:37 | 841ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-06-25 01:08:42 | 898ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-06-17 13:45:06 | 11010ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |