| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 185.21.40.19 | 1536s | linux12.curanet.dk | AS48854 | team.blue Denmark A/S | 185.21.40.0/22 | 🇩🇰 Denmark | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 65.108.133.116 |
| 🔶 Autoconfig | 65.108.133.116 |
| TXT Record |
|---|
| protonmail-verification=981aaaa8a305a1a64cfd48bd7bd2cf54f1e1ac70 |
| v=spf1 include:_spf.protonmail.ch ~all |
| Policy | Record (vertikal.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_spf.protonmail.ch ~all |
| Policy | Record (_dmarc.vertikal.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; sp=none; rua=mailto:postmaster@vertikal.dk |
| 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 | 2026080604 |
| 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 17:54:01 | 809ms | 3 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-08-24 22:04:09 | 651ms | 3 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-08-07 07:37:45 | 1196ms | 3 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-08-04 16:39:57 | 1037ms | 3 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-07-27 21:52:28 | 9014ms | 3 NS 1 A 3 MX | 🔒 Secure | View |
| 2026-06-24 11:01:40 | 707ms | 3 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-18 05:22:24 | 969ms | 3 NS 1 A 1 MX | 🔒 Secure | View |