| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 104.21.18.229 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.183.222 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 104.21.18.229 |
| 🔶 Autoconfig | 104.21.18.229 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3031::ac43:b7de | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3034::6815:12e5 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.18.229,172.67.183.222 ech=AEX+DQBBzwAgACBTSB3apXixaEI71fZoMKUzij6ilRhhH7A4KRauzohfNQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:b7de,2606:4700:3034::6815:12e5 |
| TXT Record |
|---|
| protonmail-verification=fcd95152adfc6833d83c93fde0f446d0daacbc50 |
| v=spf1 include:_spf.protonmail.ch mx ~all |
| Policy | Record (baess-lehmann.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_spf.protonmail.ch mx ~all |
| 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 | 6111A5698D23C89E09C36FF833C1487E… |
| SMTP _25._tcp.mailsec.protonmail.ch | DANE-EE · SPKI · SHA-256 | 76BB66711DA416433CA890A5B2E5A053… |
| SMTP _25._tcp.mx1.pub.mailpod8-cph3.one.com | DANE-EE · SPKI · SHA-256 | BF2BAC81D64CD548F2920A7E0ADF7907… |
| SMTP _25._tcp.mx2.pub.mailpod8-cph3.one.com | DANE-EE · SPKI · SHA-256 | BF2BAC81D64CD548F2920A7E0ADF7907… |
| SMTP _25._tcp.mx3.pub.mailpod8-cph3.one.com | DANE-EE · SPKI · SHA-256 | BF2BAC81D64CD548F2920A7E0ADF7907… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2413361349 |
| Primary NS (MNAME) | meg.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Scanned At | Duration | Records | DNSSEC | |
|---|---|---|---|---|
| 2026-08-28 03:45:27 | 905ms | 2 NS 2 A 5 MX | 🔒 Secure | View |
| 2026-08-06 10:38:55 | 1751ms | 2 NS 2 A 5 MX | 🔒 Secure | View |
| 2026-07-26 18:43:34 | 1885ms | 2 NS 2 A 5 MX | 🔒 Secure | View |
| 2026-07-15 16:21:23 | 2526ms | 2 NS 2 A 5 MX | 🔒 Secure | View |
| 2026-07-12 19:14:33 | 9642ms | 2 NS 2 A 5 MX | 🔒 Secure | View |
| 2026-06-26 17:15:25 | 2374ms | 2 NS 2 A 5 MX | 🔒 Secure | View |
| 2026-06-21 13:34:31 | 2909ms | 2 NS 2 A 5 MX | 🔒 Secure | View |
| 2026-06-16 14:01:14 | 1458ms | 2 NS 2 A 5 MX | 🔒 Secure | View |