adc.dk is a .dk domain served by 3 nameservers (ns1.e-studio.dk, ns2.e-studio.dk, ns3.e-studio.dk). It was registered on 5 November 1997 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 195.242.131.71 is hosted by Christian Ebsen ApS (AS62121) in Denmark. Mail is handled by mail.klubmodul.dk. The zone is not DNSSEC-signed, publishes a 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 |
|---|---|---|---|---|---|---|---|
| 195.242.131.71 | 14400s | web5.e-studio.dk | AS62121 | Christian Ebsen ApS | 195.242.130.0/23 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | mail.klubmodul.dk | 84.19.174.82 | mail.klubmodul.dk | AS31103 Keyweb AG |
| TXT Record |
|---|
| v=spf1 mx a a:mail.klubmodul.dk a:mail2.klubmodul.dk include:_spf.e-studio.dk -all |
| Policy | Record (adc.dk) |
|---|---|
| -all (hard fail) | v=spf1 mx a a:mail.klubmodul.dk a:mail2.klubmodul.dk include:_spf.e-studio.dk -all |
| Policy | Record (_dmarc.adc.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; rua=mailto:dmarc@klubmodul.dk; ruf=mailto:dmarc@klubmodul.dk; fo=0:1; adkim=s; aspf=s |
| www CNAME | adc.dk (all on adc.dk) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC3 · 7 iterations · 8-byte salt RFC 9276 recommends 0 iterations and no salt |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 5/10 · policy: -all
No problems found| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.adc.dk | nsy_AIj-D3mSv7YtaEzsLFcpXujp83WxiZw-Vkg7mtQ |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✓ Found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2026052701 |
| Primary NS (MNAME) | ns1.e-studio.dk |
| Responsible (RNAME) | hostmaster@mailrelay.e-studio.dk |
| Refresh | 3600s |
| Retry | 1800s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 86400s |
| Field | Value |
|---|---|
| Registrar | dns.services ApS |
| Registered | 1997-11-05 |
| Expires | 2026-12-31 (75d) |
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 |
|---|---|---|---|
| 2026-10-08 18:22:10 | 4498ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-30 19:38:34 | 4492ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-30 01:50:20 | 2483ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-26 23:17:51 | 1939ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-28 06:15:30 | 577ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-27 17:56:50 | 810ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-27 23:44:48 shown | 680ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-24 21:40:43 | 764ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-16 13:18:20 | 599ms | 3 NS 1 A 1 MX | 🔓 Insecure |