| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 3.121.61.201 | 3600s | ec2-3-121-61-201.eu-central-1.compute.amazonaws.com | AS16509 | Amazon.com, Inc. | 3.96.0.0/11 | 🇩🇪 Germany | Frankfurt am Main |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 300s | . Null MX — domain accepts no email (RFC 7505) | |||
| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.matchtrøjer.dk | xn--matchtrjer-6cb.dk.df244efdf63cd337.dcv.cloudflare.com |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026080201 |
| 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 | |
|---|---|---|---|---|
| 2026-08-26 17:42:01 | 801ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-02 23:29:20 | 8504ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-03 15:12:14 | 722ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-25 13:53:54 | 595ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-21 18:23:43 | 389ms | 0 NS 0 A 0 MX | 🔒 Secure | View |
| 2026-06-17 15:37:35 | 3990ms | 2 NS 1 A 0 MX | 🔒 Secure | View |