prep-it.dk is a .dk domain served by 3 nameservers (ns5.chosting.dk, ns6.chosting.dk, ns7.chosting.dk). It was registered on 22 January 2026 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 178.20.216.245 is hosted by Atea A/S (AS21060) in Denmark. Mail is handled by mxext1.mailbox.org. 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 |
|---|---|---|---|---|---|---|---|
| 178.20.216.245 | 3600s | reseller1.chosting.dk | AS21060 | Atea A/S | 178.20.216.0/23 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | mxext1.mailbox.org | 2001:67c:2050:104:0:1:25:1 80.241.60.212 |
mx1.mailbox.org mx1.mailbox.org |
AS199118 Heinlein Support GmbH AS199118 Heinlein Support GmbH |
| Service | CNAME / IP |
|---|---|
| 🔶 Autoconfig | prep-it.dk → 178.20.216.245 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a01:7cc0:101:ffff::1:9 | 14400s | reseller1.chosting.dk | AS21060 | Atea A/S | 2a01:7cc0:100:0:0:0:0:0/40 | 🇩🇰 Denmark | — |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 0 | 0 | 443 | auto.mailbox.org |
| TXT Record |
|---|
| v=spf1 ip4:178.20.216.245 include:spf.chosting.dk include:mailbox.org +a +mx ~all |
| Policy | Record (prep-it.dk) |
|---|---|
| ~all (soft fail) | v=spf1 ip4:178.20.216.245 include:spf.chosting.dk include:mailbox.org +a +mx ~all |
| Policy | Record (_dmarc.prep-it.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; rua=mailto:cbae91e4ca36.a@dmarcinput.com; ruf=mailto:cbae91e4ca36.f@dmarcinput.com; adkim=r; aspf=r; fo=1 |
| www CNAME | prep-it.dk (all on prep-it.dk) |
| www vs bare domain | Same network prep-it.dk: 178.20.216.245 2a01:7cc0:101:ffff::1:9 (AS21060) www.prep-it.dk: 178.20.216.245 2a01:7cc0:101:ffff::1:9 (AS21060) |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| default | — | RSA · ~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: 7/10 · policy: ~all
No problems found| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.prep-it.dk | m51Cto79FWwaVCmv8QdtIWL7TF-jW7CA3mW17DuXWe4 |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mxext1.mailbox.org | DANE-EE · SPKI · SHA-256 | 4758AF6F02DFB5DC8795FA402E77A8A0… |
| SMTP _25._tcp.mxext1.mailbox.org | DANE-EE · SPKI · SHA-256 | E41CC7633029AFDBA53744D7E5FC31EF… |
| SMTP _25._tcp.mxext1.mailbox.org | DANE-EE · SPKI · SHA-256 | 996AD31D65E03F038B8EC950F6F26611… |
| 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 | 2026072401 |
| Primary NS (MNAME) | ns5.chosting.dk |
| Responsible (RNAME) | support@vores-it.dk |
| Refresh | 3600s |
| Retry | 1800s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 86400s |
| Field | Value |
|---|---|
| Registrar | FIONIA IT ApS |
| Registered | 2026-01-22 |
| Expires | 2027-01-21 (93d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-30 10:15:36 | 577ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-27 18:44:09 | 2740ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-24 02:15:16 | 942ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-22 00:06:39 | 1107ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-11 22:04:39 shown | 991ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-25 16:19:47 | 1063ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-17 13:09:37 | 2698ms | 3 NS 1 A 1 MX | 🔓 Insecure |