| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 104.21.50.91 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.159.163 | 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 |
|---|---|
| 🔶 Autoconfig | 172.67.159.163 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3033::6815:325b | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3037::ac43:9fa3 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.50.91,172.67.159.163 ech=AEX+DQBBEwAgACAd88cRhO+vfm24mS8YHeP02W/k5zt2dBN766PlNestEwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:325b,2606:4700:3037::ac43:9fa3 |
| TXT Record |
|---|
| v=spf1 include:spf.simply.com -all |
| Policy | Record (karatecarsten.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.simply.com -all |
| Policy | Record (_dmarc.karatecarsten.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; rua=mailto:d93f2fc5b5264981a0b03ad35727fab9@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 | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2411501591 |
| Primary NS (MNAME) | ethan.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Scanned At | Duration | Records | DNSSEC | |
|---|---|---|---|---|
| 2026-08-25 16:07:49 | 1392ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-08-07 11:02:48 | 1672ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-07-27 10:14:29 | 1754ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-06-20 06:44:57 | 2398ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-06-18 04:13:16 | 1138ms | 2 NS 2 A 1 MX | ⚠️ Bogus | View |