| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 136.244.106.136 | 3600s | hes02.dsl-it.dk | AS20473 | The Constant Company, LLC | 136.244.64.0/18 | 🇳🇱 The Netherlands | Amsterdam |
| TXT Record |
|---|
| google-site-verification=4PFoRXFkiPaeySWmbfhCAgvwsYjG7HCbTWWn5G6kVAQ |
| protonmail-verification=4a6711f7ce491bb25ca513554ae37395211b0701 |
| v=spf1 include:_spf.protonmail.ch ~all |
| Policy | Record (davidsimonleonard.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_spf.protonmail.ch ~all |
| Policy | Record (_dmarc.davidsimonleonard.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine |
| 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 | 2026082200 |
| 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 | |
|---|---|---|---|---|
| 2026-08-27 18:26:30 | 1148ms | 3 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-08-23 02:48:09 | 1226ms | 3 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-06-26 04:15:30 | 854ms | 3 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-06-24 21:46:15 | 1753ms | 3 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-06-17 01:10:54 | 659ms | 3 NS 1 A 2 MX | 🔒 Secure | View |