| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 116.203.182.197 | 43200s | mail.helmstedt.dk | AS24940 | Hetzner Online GmbH | 116.202.0.0/15 | 🇩🇪 Germany | Nuremberg |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 300s | . Null MX — domain accepts no email (RFC 7505) | |||
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a01:4f8:c0c:c0c0::1 | 43200s | mail.helmstedt.dk | AS24940 | Hetzner Online GmbH | 2a01:4f8:0:0:0:0:0:0/31 | 🇩🇪 Germany | — |
| Flags | Tag | Value |
|---|---|---|
| 128 | issue | letsencrypt.org |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026071001 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Scanned At | Duration | Records | DNSSEC | |
|---|---|---|---|---|
| 2026-08-28 08:29:02 | 1010ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-26 16:10:53 | 2678ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-10 16:43:26 | 8987ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-14 22:50:32 | 1206ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-13 06:50:50 | 554ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-02 12:27:56 | 9860ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-19 18:57:42 | 869ms | 2 NS 1 A 1 MX | ⚠️ Bogus | View |
| 2026-06-17 16:59:01 | 901ms | 2 NS 1 A 0 MX | 🔒 Secure | View |