| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 104.21.8.143 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.188.121 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 172.67.188.121 |
| 🔶 Autoconfig | 104.21.8.143 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3033::ac43:bc79 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3035::6815:88f | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.8.143,172.67.188.121 ech=AEX+DQBBAQAgACCmE08AFi8wj8zkVCYeEKkHTSWCakI5+RhKNOfGMHA4TgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:bc79,2606:4700:3035::6815:88f |
| TXT Record |
|---|
| protonmail-verification=ca5adfb83f01e32eef03e3ef67f40a701ac39ca4 |
| v=spf1 include:_spf.protonmail.ch ~all |
| Policy | Record (bjerreeriksen.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_spf.protonmail.ch ~all |
| Policy | Record (_dmarc.bjerreeriksen.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mail.protonmail.ch | DANE-EE · SPKI · SHA-256 | 76BB66711DA416433CA890A5B2E5A053… |
| SMTP _25._tcp.mail.protonmail.ch | DANE-EE · SPKI · SHA-256 | 6111A5698D23C89E09C36FF833C1487E… |
| 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 | 2411720590 |
| Primary NS (MNAME) | mario.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 17:12:49 | 2750ms | 2 NS 2 A 2 MX | 🔓 Insecure | View |
| 2026-08-26 04:50:08 | 1039ms | 2 NS 2 A 2 MX | 🔓 Insecure | View |
| 2026-08-11 02:46:49 | 6337ms | 2 NS 2 A 2 MX | 🔓 Insecure | View |
| 2026-07-25 06:07:15 | 9455ms | 2 NS 2 A 2 MX | 🔓 Insecure | View |
| 2026-06-24 09:17:24 | 991ms | 2 NS 2 A 2 MX | ❓ Unknown | View |
| 2026-06-20 04:19:45 | 742ms | 2 NS 2 A 2 MX | 🔓 Insecure | View |
| 2026-06-16 14:43:12 | 733ms | 2 NS 2 A 2 MX | 🔓 Insecure | View |