3sl.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 16 May 2013 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.31.76.122 is hosted by DLX A/S (AS47527) in Denmark. Mail is handled by mailscanner.powerhosting.dk, backup-mx.powerhosting.dk. The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. 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 |
|---|---|---|---|---|---|---|---|
| 185.31.76.122 | 86400s | prod22.magentohotel.dk | AS47527 | DLX A/S | 185.31.76.0/22 | 🇩🇰 Denmark | Herning |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.powerhosting.dk → 188.116.39.132 |
| 🔶 Autoconfig | autoconfig.powerhosting.dk → 188.116.39.132 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a00:b920:2:1337::122 | 86400s | prod22.magentohotel.dk | AS47527 | DLX A/S | 2a00:b920:0:0:0:0:0:0/29 | 🇩🇰 Denmark | Herning |
| 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 (3sl.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:_spf.powerhosting.dk -all |
| Policy | Record (_dmarc.3sl.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; pct=100; rua=mailto:dmarc@powerhosting.dk; ruf=mailto:dmarc@powerhosting.dk; adkim=r; aspf=r |
| Check | Result |
|---|---|
| Status | 🔒 Enforce |
| TXT record (_mta-sts) | ✓ Found |
| HTTPS policy | ✓ Valid |
| Mode | enforce |
| Policy ID | 31337 |
| max_age | 172800s |
| Policy MX | mailscanner.powerhosting.dk, backup-mx.powerhosting.dk, fallback-mx.powerhosting.dk, outbound-mx.powerhosting.dk, *.mail.protection.outlook.com, smtp.powr.host, postal.powr.host |
| Status | Report address (rua) |
|---|---|
| ✓ Enabled | https://csp.swarm.powr.host |
| www | 185.31.76.122 2a00:b920:2:1337::122 (AS47527) (address records, no CNAME) |
| www vs bare domain | Same network 3sl.dk: 185.31.76.122 2a00:b920:2:1337::122 (AS47527) www.3sl.dk: 185.31.76.122 2a00:b920:2:1337::122 (AS47527) |
| Wildcard | Yes: any name under the zone resolves |
| 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.3sl.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 | 2026082001 |
| 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 | 2013-05-16 |
| Expires | 2028-05-31 (592d) |
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 |
|---|---|
| enuresis.dk | Punktum dk A/S (direct) |
| info-enuresis.dk | Punktum dk A/S (direct) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-15 13:38:51 | 688ms | 5 NS 1 A 2 MX | 🔓 Insecure |
| 2026-10-08 06:57:52 | 963ms | 5 NS 1 A 2 MX | 🔓 Insecure |
| 2026-10-01 23:09:24 | 793ms | 5 NS 1 A 2 MX | 🔓 Insecure |
| 2026-09-29 22:50:29 | 1017ms | 5 NS 1 A 2 MX | 🔓 Insecure |
| 2026-09-24 07:32:49 | 1261ms | 5 NS 1 A 2 MX | 🔓 Insecure |
| 2026-09-15 16:42:11 | 1794ms | 5 NS 1 A 2 MX | 🔓 Insecure |
| 2026-09-08 15:48:37 | 1082ms | 5 NS 1 A 2 MX | 🔓 Insecure |
| 2026-09-03 19:14:26 | 1509ms | 5 NS 1 A 2 MX | 🔓 Insecure |
| 2026-08-28 07:08:14 | 1439ms | 5 NS 1 A 2 MX | 🔓 Insecure |
| 2026-08-27 18:57:05 | 891ms | 5 NS 1 A 2 MX | 🔓 Insecure |
| 2026-08-26 18:35:30 shown | 1361ms | 5 NS 1 A 2 MX | 🔓 Insecure |
| 2026-08-20 07:47:12 | 4750ms | 5 NS 1 A 2 MX | 🔓 Insecure |
| 2026-08-15 10:44:12 | 10810ms | 5 NS 1 A 2 MX | 🔓 Insecure |
| 2026-08-06 09:40:57 | 2773ms | 5 NS 1 A 2 MX | 🔓 Insecure |
| 2026-07-23 05:52:19 | 4503ms | 5 NS 1 A 2 MX | 🔓 Insecure |
| 2026-07-17 03:37:36 | 2541ms | 5 NS 1 A 2 MX | 🔓 Insecure |
| 2026-07-09 12:04:45 | 10282ms | 5 NS 1 A 2 MX | 🔓 Insecure |
| 2026-07-03 15:33:31 | 1277ms | 5 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-27 21:22:59 | 1230ms | 5 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-25 15:27:13 | 1442ms | 5 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-18 08:41:19 | 1874ms | 5 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-16 12:42:08 | 1385ms | 5 NS 1 A 2 MX | 🔓 Insecure |