| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 82.211.221.138 | 600s | 0052d3dd8a.dynamic-ip4.rev.k-net.dk | AS204141 | K-Net Forening | 82.211.192.0/19 | 🇩🇰 Denmark | Kongens Lyngby |
| TXT Record |
|---|
| protonmail-verification=b83061c95054a336bf296623e8b70eae6ab7afd9 |
| v=spf1 include:_spf.protonmail.ch mx ~all |
| Policy | Record (maehl.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_spf.protonmail.ch mx ~all |
| 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 | 2026030701 |
| 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 | |
|---|---|---|---|---|
| 2026-08-27 07:00:10 | 768ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-06-27 23:01:04 | 1011ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-06-25 09:17:30 | 1000ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-06-23 08:16:53 | 922ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-06-20 04:50:57 | 859ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-06-17 12:02:18 | 1468ms | 2 NS 1 A 2 MX | 🔒 Secure | View |