| 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=f2112e7706a863c93c8e0c1f635e0771a3911ccf |
| v=spf1 include:_spf.protonmail.ch mx ~all |
| Policy | Record (kvasum.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_spf.protonmail.ch mx ~all |
| Policy | Record (_dmarc.kvasum.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none |
| 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 | 2023115564 |
| 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 | |
|---|---|---|---|---|
| 2026-08-28 02:23:59 | 881ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-08-20 23:49:35 | 2635ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-08-14 18:40:57 | 1411ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-08-06 09:50:07 | 1159ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-07-30 18:59:08 | 1373ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-07-23 08:54:44 | 1318ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-07-16 16:45:18 | 3091ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-07-10 08:54:24 | 10053ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-07-03 15:30:47 | 2483ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-06-27 07:36:24 | 690ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-06-20 14:01:44 | 1724ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-06-17 13:32:37 | 2322ms | 2 NS 1 A 2 MX | 🔒 Secure | View |