| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 104.21.42.240 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.213.107 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 300s | mx.simply.com | 94.231.106.20 | mx.simply.com | AS48854 team.blue Denmark A/S |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3033::6815:2af0 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3033::ac43:d56b | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.42.240,172.67.213.107 ech=AEX+DQBBJAAgACA1eiHITmhC95jx7x4Bvw34Au55QR5sof7BbAw941eAUAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:2af0,2606:4700:3033::ac43:d56b |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx.simply.com | DANE-EE · SPKI · SHA-256 | A9D603AF4D7ED6B9246B4B68500CD6F2… |
| SMTP _25._tcp.mx.simply.com | DANE-EE · SPKI · SHA-256 | 97A3BA009F39C761BFFB6574340E8138… |
| 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 | 2412861439 |
| Primary NS (MNAME) | alberto.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Scanned At | Duration | Records | DNSSEC | |
|---|---|---|---|---|
| 2026-08-22 08:10:04 | 2935ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-08-21 08:05:57 | 7127ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-07-27 02:30:44 | 1883ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-06-24 12:51:33 | 1435ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-06-24 01:26:57 | 1169ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-19 19:54:01 | 783ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-06-16 14:00:10 | 750ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |