| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 77.111.240.140 | 3600s | webcluster13.webpod11-cph3.one.com | AS51468 | One.com A/S | 77.111.240.0/22 | 🇩🇰 Denmark | Copenhagen |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a02:2350:5:102:65:6059:d535:b8ee | 3600s | — | AS51468 | One.com A/S | 2a02:2350:0:0:0:0:0:0/32 | 🇩🇰 Denmark | Copenhagen |
| TXT Record |
|---|
| protonmail-verification=81939bec129bd6fe33de4bda032778bce2a0b84f |
| v=spf1 include:_custspf.one.com include:_spf.protonmail.ch ~all |
| Policy | Record (hskov.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_custspf.one.com include:_spf.protonmail.ch ~all |
| Policy | Record (_dmarc.hskov.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 | 2026082705 |
| 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 | |
|---|---|---|---|---|
| 2026-08-28 03:05:04 | 802ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-08-03 07:22:54 | 1424ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-07-28 01:00:34 | 5729ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-07-24 23:59:50 | 17022ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-07-03 10:58:21 | 736ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-06-30 18:20:10 | 2310ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-06-23 04:55:22 | 1469ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-06-17 13:33:53 | 706ms | 2 NS 1 A 2 MX | 🔒 Secure | View |