| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 144.76.20.91 | 3600s | static.91.20.76.144.clients.your-server.de | AS24940 | Hetzner Online GmbH | 144.76.0.0/16 | 🇩🇪 Germany | Falkenstein |
| TXT Record |
|---|
| protonmail-verification=6e2582f35aeb30bcd8b1ef09c7d16fb7158885f2 |
| v=spf1 include:_spf.protonmail.ch ~all |
| Policy | Record (alleroedhk.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_spf.protonmail.ch ~all |
| Policy | Record (_dmarc.alleroedhk.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 | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026082223 |
| 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 | |
|---|---|---|---|---|
| 2026-08-23 21:38:25 | 2017ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-08-22 19:07:40 | 6947ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-07-25 23:03:26 | 4887ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-07-22 20:55:27 | 896ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-07-14 16:30:12 | 838ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-06-29 06:41:50 | 688ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-06-24 09:16:47 | 909ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-06-22 12:40:10 | 1325ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-06-18 09:53:36 | 2644ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-06-16 12:51:06 | 2061ms | 2 NS 1 A 2 MX | 🔒 Secure | View |