| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 51.158.175.100 | 600s | 100-175-158-51.instances.scw.cloud | AS12876 | Scaleway SAS | 51.158.0.0/15 | 🇳🇱 The Netherlands | Haarlem |
| TXT Record |
|---|
| protonmail-verification=727239eff40383c895ea3b219ededadc16fb8a93 |
| v=spf1 include:_spf.protonmail.ch mx ~all |
| Policy | Record (rothnielsen.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_spf.protonmail.ch mx ~all |
| Policy | Record (_dmarc.rothnielsen.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 | 2026080401 |
| Primary NS (MNAME) | ns1.simply.com |
| Responsible (RNAME) | hostmaster@simply.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 3600s |
| Scanned At | Duration | Records | DNSSEC | |
|---|---|---|---|---|
| 2026-08-31 15:08:07 | 712ms | 3 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-08-27 10:52:49 | 931ms | 3 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-08-27 00:44:43 | 850ms | 3 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-08-25 04:03:59 | 734ms | 3 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-08-05 10:33:15 | 1061ms | 3 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-06-27 01:50:34 | 951ms | 3 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-06-23 10:09:13 | 1159ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-20 06:47:25 | 612ms | 3 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-06-18 03:45:20 | 2947ms | 3 NS 1 A 2 MX | 🔒 Secure | View |