| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 199.85.212.87 | 43200s | — | AS36180 | Cisco IoT | 199.85.212.0/22 | 🇨🇦 Canada | — |
| TXT Record |
|---|
| protonmail-verification=d3058ca22d850b1b186fede32969979aa0b531ee |
| v=spf1 include:_spf.protonmail.ch mx ~all |
| Policy | Record (w3d.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_spf.protonmail.ch mx ~all |
| Policy | Record (_dmarc.w3d.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none |
| 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 | 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 | 2026032401 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Scanned At | Duration | Records | DNSSEC | |
|---|---|---|---|---|
| 2026-07-03 08:43:44 | 2554ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-06-27 09:09:19 | 1997ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-06-24 15:25:53 | 2276ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-06-22 19:54:32 | 1047ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-20 04:24:12 | 2168ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-06-17 22:57:03 | 1404ms | 2 NS 1 A 2 MX | 🔒 Secure | View |