| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 46.30.213.100 | 3600s | webcluster2.webpod13-cph3.one.com | AS51468 | One.com A/S | 46.30.208.0/21 | 🇩🇰 Denmark | Copenhagen |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 46.30.213.100 |
| 🔶 Autoconfig | 46.30.213.100 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a02:2350:5:10b:8020:d431:2af8:e24d | 3600s | — | AS51468 | One.com A/S | 2a02:2350:0:0:0:0:0:0/32 | 🇩🇰 Denmark | Copenhagen |
| TXT Record |
|---|
| protonmail-verification=5343440e9484c8d36f60f98ac4920909c1117f37 |
| v=spf1 include:spf.protection.example.com include:_custspf.one.com -all |
| Policy | Record (wohler.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.example.com include:_custspf.one.com -all |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mail.protonmail.ch | DANE-EE · SPKI · SHA-256 | 6111A5698D23C89E09C36FF833C1487E… |
| SMTP _25._tcp.mail.protonmail.ch | DANE-EE · SPKI · SHA-256 | 76BB66711DA416433CA890A5B2E5A053… |
| 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 | 2026072402 |
| 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 | |
|---|---|---|---|---|
| 2026-08-31 16:59:50 | 681ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-07-24 16:00:05 | 1021ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-06-24 17:19:27 | 826ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-06-23 12:33:30 | 919ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-22 13:27:27 | 3200ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-06-21 06:40:56 | 911ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-17 14:19:02 | 1425ms | 2 NS 1 A 2 MX | 🔒 Secure | View |