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 registered on 12 September 2011 (WHOIS) and 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 not DNSSEC-signed, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest 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 | 360s | — | 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 |
| 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 | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2026101501 |
| Primary NS (MNAME) | ns1.powerhosting.dk |
| Responsible (RNAME) | zonemaster@powerhosting.dk |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2011-09-12 |
| Expires | 2027-09-30 (342d) |
Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).
| Domain | Registrar |
|---|---|
| ensunderelivsstil.dk | Punktum dk A/S (direct) |
| subonline.dk | Punktum dk A/S (direct) |
| subsonline.dk | Punktum dk A/S (direct) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-15 09:31:47 shown | 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 | 1228ms | 5 NS 1 A 2 MX | ❓ Unknown |
| 2026-06-17 13:08:47 | 1248ms | 5 NS 1 A 2 MX | 🔓 Insecure |