| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 104.21.63.242 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.173.93 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | 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 |
|---|---|---|---|---|---|---|---|
| 2606:4700:3031::6815:3ff2 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3036::ac43:ad5d | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.63.242,172.67.173.93 ech=AEX+DQBBGQAgACAPXO7Y1DOCev7PtFEuNgGpquqxccAADZv09nN/Da31IgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:3ff2,2606:4700:3036::ac43:ad5d |
| 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 | 2411633053 |
| Primary NS (MNAME) | celeste.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 01:30:59 | 1042ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-08-27 05:17:50 | 2619ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-08-08 11:48:38 | 10592ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-08-03 09:51:44 | 8798ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-06-23 13:07:55 | 1605ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-06-23 11:12:54 | 1009ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-21 16:35:53 | 624ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-06-17 09:48:59 | 551ms | 2 NS 2 A 1 MX | ⚠️ Bogus | View |