| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| dns.nextron.ch | 193.108.137.2 | dns.nextron.ch | AS42346 NorthC Schweiz AG |
| dns2.nextron.ch | 193.108.137.3 | dns2.nextron.ch | AS42346 NorthC Schweiz AG |
| dns3.nextron.ch | 31.171.251.198 | dns3.nextron.ch | AS50837 Cloudsigma Ag |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 193.108.136.179 | 3600s | sv9.helpmedia.ch | AS42346 | NorthC Schweiz AG | 193.108.136.0/23 | 🇨🇭 Switzerland | Basel |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 5 | 3600s | antispam.nextron.ch | 193.108.137.9 | antispam.nextron.ch | AS42346 NorthC Schweiz AG |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | mail.nextron.ch → 193.108.137.25 |
| TXT Record |
|---|
| v=spf1 include:spf.nextron.ch -all |
| Policy | Record (nyhederfraschweiz.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.nextron.ch -all |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2026072617 |
| Primary NS (MNAME) | dns.nextron.ch |
| Responsible (RNAME) | hostmaster@nextron.ch |
| Refresh | 10800s |
| Retry | 1800s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 3600s |
| Scanned At | Duration | Records | DNSSEC | |
|---|---|---|---|---|
| 2026-07-27 14:12:10 | 3269ms | 3 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-06-29 21:00:11 | 2069ms | 3 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-06-26 01:04:24 | 2539ms | 3 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-06-24 05:58:22 | 916ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-17 22:51:57 | 1428ms | 3 NS 1 A 1 MX | 🔓 Insecure | View |