csu-unit.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 2 February 2001 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 94.231.109.93 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by mx1.pub.mailpod12-cph3.one.com, mx2.pub.mailpod12-cph3.one.com and 2 more. The zone is DNSSEC-signed and validates, has no 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 |
|---|---|---|---|---|---|---|---|
| 94.231.109.93 | 600s | linux81.curanet.dk | AS48854 | team.blue Denmark A/S | 94.231.96.0/20 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 10800s | mx1.pub.mailpod12-cph3.one.com | 104.37.34.246 | mx1.pub.mailpod12-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx2.pub.mailpod12-cph3.one.com | 104.37.34.247 | mx2.pub.mailpod12-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx3.pub.mailpod12-cph3.one.com | 104.37.34.248 | mx3.pub.mailpod12-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx4.pub.mailpod12-cph3.one.com | 104.37.34.249 | mx4.pub.mailpod12-cph3.one.com | AS51468 One.com A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 94.231.109.93 |
| 🔶 Autoconfig | 94.231.109.93 |
| TXT Record |
|---|
| v=spf1 include:_custspf.one.com include:spf.curanet.dk -all |
| Policy | Record (csu-unit.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:_custspf.one.com include:spf.curanet.dk -all |
| www | 94.231.109.93 (AS48854) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 4/10 · policy: -all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx1.pub.mailpod12-cph3.one.com | DANE-EE · SPKI · SHA-256 | D91CB8AC124CB360F986182813BDF3FD… |
| SMTP _25._tcp.mx2.pub.mailpod12-cph3.one.com | DANE-EE · SPKI · SHA-256 | D91CB8AC124CB360F986182813BDF3FD… |
| SMTP _25._tcp.mx3.pub.mailpod12-cph3.one.com | DANE-EE · SPKI · SHA-256 | D91CB8AC124CB360F986182813BDF3FD… |
| SMTP _25._tcp.mx4.pub.mailpod12-cph3.one.com | DANE-EE · SPKI · SHA-256 | D91CB8AC124CB360F986182813BDF3FD… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026061001 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2001-02-02 |
| Expires | 2027-03-31 (165d) |
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).
No other domain with this registrant in our WHOIS data yet| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-30 19:42:53 | 659ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-18 01:32:54 | 765ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-27 09:22:17 | 719ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-18 03:39:46 | 1086ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-02 11:50:49 | 2847ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-27 10:13:43 | 646ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-27 08:57:15 shown | 738ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-24 11:03:50 | 1010ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-16 23:06:11 | 722ms | 2 NS 1 A 4 MX | 🔒 Secure |