| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 152.53.115.221 | 3600s | v2202607182114485328.nicesrv.de | AS197540 | netcup GmbH | 152.53.112.0/20 | 🇦🇹 Austria | — |
| TXT Record |
|---|
| protonmail-verification=f23f72b51e7cb01e681a44727ab7c425fc32526d |
| v=spf1 include:_spf.protonmail.ch ~all |
| Policy | Record (privata.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_spf.protonmail.ch ~all |
| Policy | Record (_dmarc.privata.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 | 2026090101 |
| 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 | |
|---|---|---|---|---|
| 2026-09-04 12:07:42 | 751ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-08-27 15:24:50 | 715ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-08-27 06:26:42 | 847ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-08-03 02:25:20 | 5131ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-07-28 08:39:05 | 2124ms | 2 NS 1 A 2 MX | 🔒 Secure | View |