open-mail.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 26 June 2009 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.31.76.130 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 |
|---|---|---|---|---|---|---|---|
| 185.31.76.130 | 86400s | prod30.magentohotel.dk | AS47527 | DLX A/S | 185.31.76.0/22 | 🇩🇰 Denmark | Herning |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 185.31.76.130 |
| 🔶 Autoconfig | autoconfig.powerhosting.dk → 188.116.39.132 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a00:b920:2:1337::130 | 86400s | prod30.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 (open-mail.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:_spf.powerhosting.dk -all |
| Policy | Record (_dmarc.open-mail.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; pct=100; rua=mailto:dmarc@powerhosting.dk; ruf=mailto:dmarc@powerhosting.dk; adkim=r; aspf=r |
| www | 185.31.76.130 2a00:b920:2:1337::130 (AS47527) (address records, no CNAME) |
| www vs bare domain | Same network open-mail.dk: 185.31.76.130 2a00:b920:2:1337::130 (AS47527) www.open-mail.dk: 185.31.76.130 2a00:b920:2:1337::130 (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| 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 | 2026092401 |
| 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 | DLX A/S |
| Registered | 2009-06-26 |
| Expires | 2027-06-30 (256d) |
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).
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-16 03:05:05 | 2699ms | 5 NS 1 A 2 MX | 🔓 Insecure |
| 2026-10-08 10:46:40 | 5075ms | 5 NS 1 A 2 MX | 🔓 Insecure |
| 2026-10-01 02:21:56 | 1153ms | 5 NS 1 A 2 MX | 🔓 Insecure |
| 2026-09-25 00:04:49 shown | 1153ms | 5 NS 1 A 2 MX | 🔓 Insecure |
| 2026-09-19 12:42:19 | 1156ms | 5 NS 1 A 2 MX | 🔓 Insecure |
| 2026-09-13 16:17:09 | 2117ms | 5 NS 1 A 2 MX | 🔓 Insecure |
| 2026-09-06 15:09:28 | 2205ms | 5 NS 1 A 2 MX | 🔓 Insecure |
| 2026-08-27 23:41:40 | 2978ms | 5 NS 1 A 2 MX | 🔓 Insecure |
| 2026-08-20 16:02:30 | 13031ms | 5 NS 1 A 2 MX | 🔓 Insecure |
| 2026-08-13 15:22:42 | 2698ms | 5 NS 1 A 2 MX | 🔓 Insecure |
| 2026-08-06 08:23:43 | 5231ms | 5 NS 1 A 2 MX | 🔓 Insecure |
| 2026-07-30 16:01:01 | 1844ms | 5 NS 1 A 2 MX | 🔓 Insecure |
| 2026-07-23 22:13:37 | 2356ms | 5 NS 1 A 2 MX | 🔓 Insecure |
| 2026-07-18 03:48:55 | 2637ms | 5 NS 1 A 2 MX | 🔓 Insecure |
| 2026-07-11 22:05:32 | 2661ms | 5 NS 1 A 2 MX | 🔓 Insecure |
| 2026-07-03 13:33:46 | 1261ms | 5 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-25 17:49:23 | 5216ms | 5 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-18 08:29:09 | 3786ms | 5 NS 1 A 2 MX | 🔓 Insecure |