| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 91.100.105.5 | 43200s | 91.100.105.5.generic-hostname.arrownet.dk | AS15516 | DKTV A/S | 91.100.0.0/15 | 🇩🇰 Denmark | Brønshøj |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 300s | . Null MX — domain accepts no email (RFC 7505) | |||
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | welle-erdball.dk → 91.100.105.5 |
| 🔶 Autoconfig | welle-erdball.dk → 91.100.105.5 |
| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.welle-erdball.dk | welle-erdball.dk |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026081201 |
| 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 12:19:30 | 699ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-19 05:46:51 | 4654ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-12 12:36:04 | 2786ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-20 02:57:08 | 706ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-14 05:28:44 | 8628ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-20 04:48:31 | 1302ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-18 06:11:02 | 799ms | 2 NS 1 A 0 MX | 🔒 Secure | View |