| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 104.21.79.128 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.145.174 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 104.21.79.128 |
| 🔶 Autoconfig | 172.67.145.174 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3033::ac43:91ae | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3034::6815:4f80 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.79.128,172.67.145.174 ech=AEX+DQBBSwAgACDWY98L2L5C1U4Caq6ldmfs7mGtaVo+/OnN17nciIkJZAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:91ae,2606:4700:3034::6815:4f80 |
| TXT Record |
|---|
| protonmail-verification=42be22263d53dd9196041005dd68972e6b966dc2 |
| v=spf1 include:_spf.protonmail.ch ~all |
| Policy | Record (frederikpt.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_spf.protonmail.ch ~all |
| Policy | Record (_dmarc.frederikpt.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 | 6111A5698D23C89E09C36FF833C1487E… |
| SMTP _25._tcp.mailsec.protonmail.ch | DANE-EE · SPKI · SHA-256 | 76BB66711DA416433CA890A5B2E5A053… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2413485618 |
| Primary NS (MNAME) | gina.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 02:11:31 | 979ms | 2 NS 2 A 2 MX | 🔒 Secure | View |
| 2026-08-07 07:46:53 | 1378ms | 2 NS 2 A 2 MX | 🔒 Secure | View |
| 2026-07-17 11:26:03 | 9507ms | 2 NS 2 A 2 MX | 🔒 Secure | View |
| 2026-06-27 05:31:49 | 6972ms | 2 NS 2 A 2 MX | 🔒 Secure | View |
| 2026-06-24 06:40:18 | 911ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-18 22:17:44 | 1668ms | 2 NS 2 A 2 MX | 🔒 Secure | View |
| 2026-06-17 10:18:40 | 955ms | 2 NS 2 A 2 MX | 🔒 Secure | View |