| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 104.21.37.39 | 600s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.203.185 | 600s | — | 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 |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 104.21.37.39 |
| 🔶 Autoconfig | 104.21.37.39 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3036::ac43:cbb9 | 600s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3037::6815:2527 | 600s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=188.114.96.3,188.114.97.3 ech=AEX+DQBBqwAgACBaFHFqKpl+NF6G2VTLepMMpcoBsz+C+ojpJ3gfulHeOgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2a06:98c1:3120::3,2a06:98c1:3121::3 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 10 | 10 | 443 | maildiscover.simply.com |
| TXT Record |
|---|
| MS=ms63410383 |
| v=spf1 include:spf.simply.com -all |
| Policy | Record (siboni.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.simply.com -all |
| Policy | Record (_dmarc.siboni.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; rua=mailto:f3542e03c1c04a9b86e171a10478bdf4@dmarc-reports.cloudflare.net |
| 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 | 2407874268 |
| Primary NS (MNAME) | fatima.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Scanned At | Duration | Records | DNSSEC | |
|---|---|---|---|---|
| 2026-08-13 01:58:13 | 1045ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-08-10 13:12:37 | 1000ms | 2 NS 2 A 1 MX | ❓ Unknown | View |
| 2026-07-27 03:28:45 | 9825ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-07-20 06:05:31 | 1420ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-07-17 19:17:34 | 8889ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-07-03 18:44:09 | 941ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-06-26 08:25:10 | 1265ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-06-19 21:37:02 | 947ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-06-17 11:48:00 | 936ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |