| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 104.21.15.18 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.161.6 | 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 |
|---|---|---|---|---|---|---|---|
| 2606:4700:3031::ac43:a106 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3037::6815:f12 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h2" ipv4hint=104.21.15.18,172.67.161.6 ech=AEX+DQBBrQAgACCyYUtu+hjEKpfaUBb9so9Jt4Ua7vJpLWUs6ahSnP5/WwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:a106,2606:4700:3037::6815:f12 |
| 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 | 2413439850 |
| Primary NS (MNAME) | arvind.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Scanned At | Duration | Records | DNSSEC | |
|---|---|---|---|---|
| 2026-08-29 21:40:32 | 541ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-08-27 16:17:15 | 579ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-08-26 15:50:30 | 1176ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-08-24 20:01:00 | 838ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-08-23 19:03:16 | 2761ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-08-21 18:38:32 | 1070ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-08-18 17:15:28 | 1113ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-08-17 15:39:58 | 1151ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-06-27 21:44:22 | 850ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-06-19 22:17:37 | 1016ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-06-17 09:11:38 | 1197ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |