| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 40.127.192.234 | 3600s | — | AS8075 | Microsoft Corporation | 40.127.0.0/16 | 🇮🇪 Ireland | Dublin |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 40.127.192.234 |
| 🔶 Autoconfig | 40.127.192.234 |
| TXT Record |
|---|
| protonmail-verification=d608e4cd237af0e9174a38b91676ee0228df15da |
| v=spf1 include:_spf.protonmail.ch mx ~all |
| Policy | Record (blitzkrieg.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_spf.protonmail.ch mx ~all |
| Policy | Record (_dmarc.blitzkrieg.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 | 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 | 2026081301 |
| 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 | |
|---|---|---|---|---|
| 2026-08-13 19:03:00 | 2941ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-07-14 11:17:52 | 1039ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-06-28 02:37:12 | 799ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-06-21 18:58:37 | 480ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-06-20 02:05:41 | 1948ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-06-16 14:47:20 | 648ms | 2 NS 1 A 2 MX | 🔒 Secure | View |