| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 104.21.81.17 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.137.125 | 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::ac43:897d | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3036::6815:5111 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.81.17,172.67.137.125 ech=AEX+DQBBjgAgACAGd+wmoXQPMjzXpkwY+ze8vrvyh3X6bHrF0BXN0GD2OwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:897d,2606:4700:3036::6815:5111 |
| TXT Record |
|---|
| v=spf1 include:spf.simply.com -all |
| Policy | Record (bilenberg-lundkvist.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 | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2412397042 |
| Primary NS (MNAME) | eleanor.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Scanned At | Duration | Records | DNSSEC | |
|---|---|---|---|---|
| 2026-08-17 13:46:33 | 2047ms | 2 NS 2 A 1 MX | 🔒 Secure | View |
| 2026-08-06 09:19:33 | 1110ms | 2 NS 2 A 1 MX | 🔒 Secure | View |
| 2026-07-27 03:14:13 | 1378ms | 2 NS 2 A 1 MX | 🔒 Secure | View |
| 2026-07-24 01:41:36 | 1484ms | 2 NS 2 A 1 MX | 🔒 Secure | View |
| 2026-07-01 21:06:10 | 705ms | 2 NS 2 A 1 MX | 🔒 Secure | View |
| 2026-06-25 23:45:13 | 1592ms | 2 NS 2 A 1 MX | 🔒 Secure | View |
| 2026-06-25 07:44:35 | 814ms | 2 NS 2 A 1 MX | 🔒 Secure | View |
| 2026-06-23 11:52:54 | 1141ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-16 14:31:11 | 509ms | 2 NS 2 A 1 MX | 🔒 Secure | View |