| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 46.30.213.170 | 3600s | webcluster2.webpod14-cph3.one.com | AS51468 | One.com A/S | 46.30.208.0/21 | 🇩🇰 Denmark | Copenhagen |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a02:2350:5:10c:8057:2d53:d267:1f7d | 3600s | — | AS51468 | One.com A/S | 2a02:2350:0:0:0:0:0:0/32 | 🇩🇰 Denmark | Copenhagen |
| TXT Record |
|---|
| protonmail-verification=5b134244b9b5cd3894ca6ba0c60dbde2067d6d78 |
| v=spf1 include:_spf.protonmail.ch ~all |
| Policy | Record (holma.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_spf.protonmail.ch ~all |
| Policy | Record (_dmarc.holma.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 | 2026083001 |
| 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 | |
|---|---|---|---|---|
| 2026-08-30 14:51:24 | 1058ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-08-28 07:33:08 | 2491ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-08-19 01:59:51 | 6629ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-08-16 03:48:12 | 3770ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-08-01 03:18:09 | 9170ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-06-29 23:14:43 | 793ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-06-29 02:04:18 | 638ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-06-25 12:51:36 | 2309ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-06-17 13:59:53 | 2983ms | 2 NS 1 A 2 MX | 🔒 Secure | View |