| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 104.21.53.108 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.212.54 | 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 | 172.67.212.54 |
| 🔶 Autoconfig | 172.67.212.54 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3031::6815:356c | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3033::ac43:d436 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.53.108,172.67.212.54 ech=AEX+DQBBfwAgACBjibDbJlg4rWyEPSw08YLojJxxB1kBIuSoORmGo4mkHQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:356c,2606:4700:3033::ac43:d436 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 10 | 10 | 443 | maildiscover.simply.com |
| TXT Record |
|---|
| google-site-verification=wDjyar8jMw49eD9tTVnoDHV_Oaex0ICzqTV1uUNwwSo |
| v=spf1 include:spf.simply.com -all |
| Policy | Record (farvematematik.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.simply.com -all |
| Policy | Record (_dmarc.farvematematik.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; rua=mailto:f67685388c764a09b82ffe7f75002412@dmarc-reports.cloudflare.net |
| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.farvematematik.dk | TBuWfa0e8EdEcdE3buzcPqjcarQWvQDBCrrm1_swtUY |
| TXT | _acme-challenge.farvematematik.dk | ooULSnB9HKwAf33sLYUDdN3mkcjQ2mBVYpi75BfcYyQ |
| 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 | 2413590214 |
| Primary NS (MNAME) | etta.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Scanned At | Duration | Records | DNSSEC | |
|---|---|---|---|---|
| 2026-08-30 19:34:28 | 547ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-08-27 12:51:52 | 2955ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-08-27 00:03:50 | 596ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-08-24 19:00:49 | 971ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-08-16 10:52:42 | 6061ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-06-22 05:26:29 | 561ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-06-17 09:16:30 | 1520ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |