| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 157.250.160.48 | 600s | webhotel28.webhosting.dk | AS3342 | Cibicom A/S | 157.250.160.0/20 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 600s | mail.protonmail.ch | 176.119.200.128 185.205.70.128 185.70.42.128 |
mail.protonmail.ch mail.protonmail.ch mail.protonmail.ch |
AS62371 Proton AG AS62371 Proton AG AS62371 Proton AG |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 157.250.160.48 |
| 🔶 Autoconfig | 157.250.160.48 |
| TXT Record |
|---|
| protonmail-verification=e215c9352d8e4bfc8b39a2385416de8d4dcddcea |
| v=spf1 include:_spf.protonmail.ch mx ~all |
| Policy | Record (engstrupblom.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_spf.protonmail.ch mx ~all |
| 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… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2017060369 |
| Primary NS (MNAME) | ns1pri.webhosting.dk |
| Responsible (RNAME) | hostmaster@webhosting.dk |
| Refresh | 21600s |
| Retry | 3600s |
| Expire | 14515200s |
| Minimum (neg-cache TTL) | 600s |
| Scanned At | Duration | Records | DNSSEC | |
|---|---|---|---|---|
| 2026-08-28 10:24:53 | 1800ms | 5 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-25 11:56:58 | 2569ms | 5 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-19 18:24:56 | 2417ms | 5 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-27 03:12:36 | 649ms | 5 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-25 08:20:49 | 1261ms | 5 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-21 01:13:13 | 519ms | 5 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-20 01:08:13 | 891ms | 5 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-17 07:45:22 | 510ms | 5 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-17 07:40:05 | 775ms | 5 NS 1 A 1 MX | 🔒 Secure | View |