| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 91.247.228.3 | 3600s | — | AS50304 | Blix Solutions AS | 91.247.228.0/22 | 🇳🇴 Norway | — |
| TXT Record |
|---|
| protonmail-verification=b649bf2317acd782349fd792acd86b9794b5f4a7 |
| v=spf1 include:_spf.protonmail.ch ~all |
| Policy | Record (hirslund.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_spf.protonmail.ch ~all |
| Policy | Record (_dmarc.hirslund.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 | 2026081401 |
| 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 | |
|---|---|---|---|---|
| 2026-08-27 13:55:34 | 733ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-08-25 20:48:59 | 766ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-08-15 13:36:07 | 16919ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-08-12 13:27:53 | 5232ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-07-15 05:03:52 | 1130ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-06-27 07:00:00 | 2075ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-06-17 11:24:56 | 865ms | 2 NS 1 A 2 MX | 🔒 Secure | View |