sub-online.dk is a .dk domain served by 5 nameservers (ns1.powerhosting.dk, ns2.powerhosting.dk, ns3.powerhosting.dk and 2 more). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.58.213.125 is hosted by mono solutions ApS (AS201595) in Denmark. Mail is handled by mailscanner.powerhosting.dk, backup-mx.powerhosting.dk. The zone is of unknown DNSSEC status, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 185.58.213.125 | 600s | — | AS201595 | mono solutions ApS | 185.58.212.0/23 | 🇩🇰 Denmark | — |
| Service | CNAME / IP |
|---|---|
| 🔶 Autoconfig | autoconfig.powerhosting.dk → 188.116.39.132 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 0 | 1 | 443 | autodiscover.powerhosting.dk |
| _imap._tcp | 20 | 10 | 143 | mail1.powerhosting.dk |
| _imaps._tcp | 10 | 10 | 993 | mail1.powerhosting.dk |
| TXT Record |
|---|
| v=spf1 include:_spf.powerhosting.dk -all |
| Policy | Record (sub-online.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:_spf.powerhosting.dk -all |
| Policy | Record (_dmarc.sub-online.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; pct=100; rua=mailto:dmarc@powerhosting.dk; ruf=mailto:dmarc@powerhosting.dk; adkim=r; aspf=r |
| www CNAME | subsonline.dk (all on subsonline.dk) |
| www vs bare domain | Same network |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| dkim | ph._domainkey.powerhosting.dk | RSA · ~1024 bit below 2048 bit |
DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.
DNS lookups: 1/10 · policy: -all
No problems found| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.sub-online.dk | _acme-challenge.powr.host |
| TXT | _acme-challenge.powr.host | ACMN0ukU77dBRI5Nqb8d0wSyppdb33jzXbOMVWAeIbE |
| TXT | _acme-challenge.powr.host | EBwPWGpForqvV7oP9xhpLHTpU472CGAbpDhf-Yy9CU4 |
| TXT | _acme-challenge.powr.host | ZcCAChWGwtNdp6oBfdkltZc2QT83CUujIk-QGzKiOzk |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.backup-mx.powerhosting.dk | DANE-EE · SPKI · SHA-256 | 3C02E6711E7E08A1889E67D27C35D230… |
| SMTP _25._tcp.mailscanner.powerhosting.dk | DANE-EE · SPKI · SHA-256 | 3C02E6711E7E08A1889E67D27C35D230… |
| Check | Result |
|---|---|
| Validation Status | ❓ Unknown |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | broken trust chain resolving 'sub-online.dk/A/IN': 127.0.0.1#53 |
| Field | Value |
|---|---|
| Serial | 2026061801 |
| Primary NS (MNAME) | ns1.powerhosting.dk |
| Responsible (RNAME) | zonemaster@powerhosting.dk |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 3600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-15 09:31:47 | 1740ms | 5 NS 1 A 2 MX | 🔓 Insecure |
| 2026-10-08 10:57:23 | 1270ms | 5 NS 1 A 2 MX | 🔓 Insecure |
| 2026-10-01 23:43:28 | 1265ms | 5 NS 1 A 2 MX | 🔓 Insecure |
| 2026-09-24 22:04:04 | 953ms | 5 NS 1 A 2 MX | 🔓 Insecure |
| 2026-09-24 21:23:01 | 1175ms | 5 NS 1 A 2 MX | 🔓 Insecure |
| 2026-09-18 15:35:44 | 2361ms | 5 NS 1 A 2 MX | 🔓 Insecure |
| 2026-09-11 13:04:01 | 1599ms | 5 NS 1 A 2 MX | 🔓 Insecure |
| 2026-09-04 10:52:35 | 1581ms | 5 NS 1 A 2 MX | 🔓 Insecure |
| 2026-08-27 13:02:20 | 1035ms | 5 NS 1 A 2 MX | 🔓 Insecure |
| 2026-08-21 01:17:58 | 27620ms | 5 NS 1 A 2 MX | 🔓 Insecure |
| 2026-08-13 15:49:04 | 15669ms | 5 NS 1 A 2 MX | 🔓 Insecure |
| 2026-08-08 18:54:36 | 2951ms | 5 NS 1 A 2 MX | 🔓 Insecure |
| 2026-08-03 10:09:40 | 1506ms | 5 NS 1 A 2 MX | 🔓 Insecure |
| 2026-07-23 04:25:19 | 2820ms | 5 NS 1 A 2 MX | 🔓 Insecure |
| 2026-07-17 07:46:23 | 4491ms | 5 NS 1 A 2 MX | 🔓 Insecure |
| 2026-07-09 04:23:44 | 10618ms | 5 NS 1 A 2 MX | 🔓 Insecure |
| 2026-07-03 16:13:26 | 1153ms | 5 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-29 01:29:23 | 1167ms | 5 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-22 10:56:33 shown | 1228ms | 5 NS 1 A 2 MX | ❓ Unknown |
| 2026-06-17 13:08:47 | 1248ms | 5 NS 1 A 2 MX | 🔓 Insecure |