| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 76.76.21.21 | 3600s | — | AS16509 | Amazon.com, Inc. | 76.76.21.0/24 | 🇺🇸 United States | Walnut |
| TXT Record |
|---|
| protonmail-verification=5f7574aa05885efa7df31528255c118b1885ced0 |
| v=spf1 include:_spf.protonmail.ch mx ~all |
| Policy | Record (unu.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_spf.protonmail.ch mx ~all |
| Policy | Record (_dmarc.unu.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; rua=mailto:dmarc@qunuq.dk |
| 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 | 2023093164 |
| Primary NS (MNAME) | get.desec.io |
| Responsible (RNAME) | get@desec.io |
| Refresh | 86400s |
| Retry | 3600s |
| Expire | 2419200s |
| Minimum (neg-cache TTL) | 3600s |
| Scanned At | Duration | Records | DNSSEC | |
|---|---|---|---|---|
| 2026-08-27 18:39:24 | 816ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-08-20 18:04:46 | 7405ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-08-14 17:00:13 | 4245ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-08-09 16:56:39 | 1813ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-07-31 10:18:12 | 1912ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-07-23 11:23:27 | 1247ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-07-17 15:04:36 | 1216ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-07-10 08:08:24 | 1269ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-07-03 14:01:53 | 2558ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-06-25 20:41:33 | 779ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-06-20 23:18:29 | 1111ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-06-18 05:58:34 | 2372ms | 2 NS 1 A 2 MX | 🔒 Secure | View |