| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 104.21.4.105 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.131.252 | 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 |
|---|---|---|---|---|---|---|---|
| 2606:4700:3030::ac43:83fc | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3033::6815:469 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.4.105,172.67.131.252 ech=AEX+DQBB5AAgACABapd4L/jVNdxaf0gluT2G7/56pQYsISi2KEnoFpT2AgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:83fc,2606:4700:3033::6815:469 |
| TXT Record |
|---|
| google-site-verification=jZpnPPRJVGZfY28Q344JHS-wYf9nST3G3G-6ltq38mM |
| v=spf1 include:spf.simply.com -all |
| Policy | Record (heydate.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.simply.com -all |
| Policy | Record (_dmarc.heydate.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:dmarc@robot.simply.com; ruf=mailto:dmarc@robot.simply.com; |
| 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 | 2412583922 |
| Primary NS (MNAME) | adel.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Scanned At | Duration | Records | DNSSEC | |
|---|---|---|---|---|
| 2026-08-26 21:46:08 | 795ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-08-19 03:51:33 | 4869ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-08-10 12:42:16 | 10080ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-07-01 10:54:44 | 852ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-06-21 10:07:24 | 993ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-06-19 08:38:17 | 813ms | 3 NS 0 A 0 MX | 🔒 Secure | View |