| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 104.21.39.127 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.145.75 | 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::6815:277f | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3035::ac43:914b | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.39.127,172.67.145.75 ech=AEX+DQBB/AAgACBaY3xXTjHGn020myaHmA0UDNM1FWVR3m9nS/VJiWGkRwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:277f,2606:4700:3035::ac43:914b |
| TXT Record |
|---|
| v=spf1 include:spf.simply.com -all |
| Policy | Record (korebane.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.simply.com -all |
| 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 | ✓ Found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2413264272 |
| 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 | |
|---|---|---|---|---|
| 2026-08-27 21:25:02 | 614ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-08-18 14:45:27 | 1098ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-08-15 12:01:22 | 2503ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-08-08 02:59:50 | 1135ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-08-03 06:29:03 | 1112ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-07-12 08:59:04 | 17814ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-06-20 17:14:41 | 1222ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-06-20 01:22:17 | 1625ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-06-17 19:04:58 | 1061ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |