| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns1.onwelcom.dk | 185.51.79.241 | ns1.onwelcom.dk | AS205984 Powernet Aps |
| ns2.onwelcom.dk | 185.51.79.251 | — | AS205984 Powernet Aps |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 185.51.79.250 | 86400s | web01.onwelcom.dk | AS205984 | Powernet Aps | 185.51.78.0/23 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 86400s | mailfilter.onwelcom.dk | 185.51.79.248 | mailfilter.powernet.dk | AS205984 Powernet Aps |
| 20 | 86400s | mx2.onwelcom.dk | 185.51.79.248 | mailfilter.powernet.dk | AS205984 Powernet Aps |
| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.busch2.dk | busch2.dk |
| 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 | 2016082506 |
| Primary NS (MNAME) | ns1.onwelcom.dk |
| Responsible (RNAME) | hostmaster@busch2.dk |
| Refresh | 3600s |
| Retry | 600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 86400s |
| Scanned At | Duration | Records | DNSSEC | |
|---|---|---|---|---|
| 2026-08-26 12:17:34 | 9691ms | 2 NS 1 A 2 MX | 🔓 Insecure | View |
| 2026-06-25 21:29:00 | 776ms | 2 NS 1 A 2 MX | 🔓 Insecure | View |
| 2026-06-24 17:00:34 | 515ms | 2 NS 1 A 2 MX | 🔓 Insecure | View |
| 2026-06-24 03:06:13 | 905ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-16 17:45:59 | 471ms | 2 NS 1 A 2 MX | 🔓 Insecure | View |