| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 104.21.67.88 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.219.34 | 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 |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 172.67.219.34 |
| 🔶 Autoconfig | 104.21.67.88 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3032::ac43:db22 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3033::6815:4358 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.67.88,172.67.219.34 ech=AEX+DQBBMAAgACCzfJnkHeFOvEV0dvKuEgc21MVV2kIl7TpTvua7c4uSdgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:db22,2606:4700:3033::6815:4358 |
| TXT Record |
|---|
| v=spf1 include:spf.simply.com -all |
| Policy | Record (b2bcloud.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 | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2407719574 |
| Primary NS (MNAME) | kelly.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 01:42:58 | 1325ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-08-27 18:26:48 | 903ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-08-27 14:31:55 | 1066ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-08-25 04:53:29 | 2592ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-08-22 05:20:36 | 1672ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-06-27 07:15:33 | 834ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-06-25 14:25:30 | 997ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-06-23 19:47:38 | 3100ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-06-21 09:24:21 | 537ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-06-20 08:52:06 | 9402ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-06-16 13:57:05 | 808ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |