adc.dk

📜 Historical scan 2026-06-16 13:18:20 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

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.

🖥️ Nameservers#

3 records 54ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.e-studio.dk	—	—	—
ns2.e-studio.dk	—	—	—
ns3.e-studio.dk	—	—	—

🌍 A Records#

1 records 48ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
195.242.131.71	—	web5.e-studio.dk	AS62121	Christian Ebsen ApS	195.242.130.0/23	🇩🇰 Denmark	—

📧 MX Records#

1 records 32ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	mail.klubmodul.dk	84.19.174.82	mail.klubmodul.dk	AS31103 Keyweb AG

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 209ms

TXT Record
v=spf1 mx a a:mail.klubmodul.dk a:mail2.klubmodul.dk include:_spf.e-studio.dk -all

✉️ SPF#

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

📨 DMARC#

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

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-08 18:22:10

www CNAME	adc.dk (all on adc.dk) → 195.242.131.71 (AS62121)
www vs bare domain	Same network adc.dk: 195.242.131.71 (AS62121) www.adc.dk: 195.242.131.71 (AS62121)
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

🔎 SPF check#

zone-wide SPF report

DNS lookups: 5/10 · policy: -all

No problems found

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

132ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✓ Found
Flags	unsigned answer

🏷️ SOA#

35ms

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

📋 Registration#

WHOIS fetched 2026-10-12 18:27:04

Field	Value
Registrar	dns.services ApS
Registered	1997-11-05
Expires	2026-12-31 (75d)

🔗 Same registrant#

0 domains

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

📋 WHOIS#

⏱️ Lookup Timing#

54ms

48ms

32ms

AAAA

33ms

TXT

209ms

CAA

33ms

HTTPS

33ms

TLSA

104ms

SOA

35ms

MTA-STS

144ms

DNSSEC

132ms

SRV

0ms

Total

599ms

🕐 Scan History#

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	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 shown	599ms	3 NS 1 A 1 MX	🔓 Insecure