| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 104.21.90.184 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.203.210 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 104.21.90.184 |
| 🔶 Autoconfig | 104.21.90.184 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3031::6815:5ab8 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3033::ac43:cbd2 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.90.184,172.67.203.210 ech=AEX+DQBBUAAgACB5yo1uHPYFnhyeEH0/VQFJMCBy7AUPLw737f6vCcgyYAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:5ab8,2606:4700:3033::ac43:cbd2 |
| TXT Record |
|---|
| google-site-verification=TmdcN0EFsVJsuBkb7zI5diGA7-NCSPJOLwtApAC_StA |
| protonmail-verification=0c0e0e3b5067fd8cd216535129b7cc76e2b73446 |
| v=spf1 include:_spf.protonmail.ch include:_spf.google.com ~all |
| Policy | Record (fermino.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_spf.protonmail.ch include:_spf.google.com ~all |
| Policy | Record (_dmarc.fermino.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; pct=100 |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mail.protonmail.ch | DANE-EE · SPKI · SHA-256 | 6111A5698D23C89E09C36FF833C1487E… |
| SMTP _25._tcp.mail.protonmail.ch | DANE-EE · SPKI · SHA-256 | 76BB66711DA416433CA890A5B2E5A053… |
| SMTP _25._tcp.mailsec.protonmail.ch | DANE-EE · SPKI · SHA-256 | 76BB66711DA416433CA890A5B2E5A053… |
| SMTP _25._tcp.mailsec.protonmail.ch | DANE-EE · SPKI · SHA-256 | 6111A5698D23C89E09C36FF833C1487E… |
| 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 | 2412525826 |
| Primary NS (MNAME) | nicolas.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Scanned At | Duration | Records | DNSSEC | |
|---|---|---|---|---|
| 2026-08-19 05:23:43 | 1694ms | 2 NS 2 A 2 MX | 🔓 Insecure | View |
| 2026-08-17 11:09:44 | 5670ms | 2 NS 2 A 2 MX | 🔓 Insecure | View |
| 2026-08-06 10:35:00 | 2077ms | 2 NS 2 A 2 MX | 🔓 Insecure | View |
| 2026-07-01 08:20:59 | 1341ms | 2 NS 2 A 2 MX | 🔓 Insecure | View |
| 2026-06-21 00:26:59 | 1614ms | 2 NS 2 A 2 MX | 🔓 Insecure | View |
| 2026-06-17 09:49:37 | 503ms | 2 NS 1 A 0 MX | 🔒 Secure | View |