| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 192.0.78.174 | 10800s | — | AS2635 | Automattic, Inc | 192.0.64.0/18 | 🇺🇸 United States | San Francisco |
| 192.0.78.225 | 3600s | — | AS2635 | Automattic, Inc | 192.0.64.0/18 | 🇺🇸 United States | San Francisco |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 77.111.241.109 |
| 🔶 Autoconfig | 77.111.241.109 |
| TXT Record |
|---|
| protonmail-verification=60032eb0ec241f1d34f1ac57d9fe6f1702ef782a |
| v=spf1 include:_spf.protonmail.ch include:_spf.wpcloud.com ~all ~all |
| Policy | Record (titelbech.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_spf.protonmail.ch include:_spf.wpcloud.com ~all ~all |
| Policy | Record (_dmarc.titelbech.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 | 2026082412 |
| 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 | |
|---|---|---|---|---|
| 2026-08-24 13:01:37 | 1255ms | 2 NS 2 A 2 MX | 🔒 Secure | View |
| 2026-08-15 06:38:50 | 2891ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-08-13 06:28:29 | 2938ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-07-02 01:22:31 | 766ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-06-28 11:37:15 | 2297ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-06-27 20:54:24 | 730ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-06-20 02:22:38 | 5705ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-06-17 14:35:41 | 2060ms | 2 NS 1 A 2 MX | 🔒 Secure | View |