| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 212.237.249.12 | 43200s | lb1.builder.nu | AS48854 | team.blue Denmark A/S | 212.237.248.0/23 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 300s | . Null MX — domain accepts no email (RFC 7505) | |||
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | larsfalkhansen.dk → 212.237.249.12 |
| 🔶 Autoconfig | larsfalkhansen.dk → 212.237.249.12 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a01:111:f100:a001::4134:e40d | 43200s | — | AS8075 | Microsoft Corporation | 2a01:111:8000:0:0:0:0:0/33 | 🇮🇪 Ireland | Dublin |
| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.larsfalkhansen.dk | larsfalkhansen.dk |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026081101 |
| 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 | |
|---|---|---|---|---|
| 2026-08-12 11:49:28 | 2251ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-18 04:54:14 | 1816ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-12 14:15:53 | 849ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-27 18:27:47 | 722ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-25 15:36:48 | 1541ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-20 18:38:27 | 881ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-18 07:09:04 | 913ms | 2 NS 1 A 0 MX | 🔒 Secure | View |