selvstudium.dk

📜 Historical scan 2026-06-17 15:16:10 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

selvstudium.dk is a .dk domain served by 2 nameservers (ns1.atznet.dk, ns2.atznet.dk). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 195.242.130.99 is hosted by Christian Ebsen ApS (AS62121) in Denmark. Mail is handled by mail.selvstudium.dk. 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.

🖥️ Nameservers#

2 records 41ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.atznet.dk	195.242.130.110 2001:67c:564:fffb::ffff	ns1.atznet.dk —	AS62121 Christian Ebsen ApS AS62121 Christian Ebsen ApS
ns2.atznet.dk	2a00:1b18:2:3:2::2 62.69.152.36	ns2.atznet.dk 36.34-46.152.69.62.in-addr.arpa	AS47527 DLX A/S AS47527 DLX A/S

🌍 A Records#

1 records 48ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
195.242.130.99	—	web2.atznet.dk	AS62121	Christian Ebsen ApS	195.242.130.0/23	🇩🇰 Denmark	—

📧 MX Records#

1 records 53ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	mail.selvstudium.dk	195.242.130.99	web2.atznet.dk	AS62121 Christian Ebsen ApS

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 117ms

TXT Record
v=spf1 mx a ip4:195.242.130.99 -all

✉️ SPF#

Policy	Record (selvstudium.dk)
-all (hard fail)	v=spf1 mx a ip4:195.242.130.99 -all

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 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 2026-10-10 23:32:01

www CNAME	selvstudium.dk (all on selvstudium.dk) → 195.242.130.99 (AS62121)
www vs bare domain	Same network selvstudium.dk: 195.242.130.99 (AS62121) www.selvstudium.dk: 195.242.130.99 (AS62121)
Wildcard	No
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

130ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

30ms

Field	Value
Serial	2018101614
Primary NS (MNAME)	ns1.atznet.dk
Responsible (RNAME)	hostmaster@atznet.dk
Refresh	86400s
Retry	7200s
Expire	3600000s
Minimum (neg-cache TTL)	172800s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

41ms

48ms

53ms

AAAA

86ms

TXT

117ms

CAA

85ms

HTTPS

57ms

TLSA

83ms

SOA

30ms

MTA-STS

34ms

DNSSEC

130ms

SRV

0ms

Total

523ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 09:41:58	377ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-26 04:39:54	802ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-25 19:48:21	523ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-22 22:30:45	1032ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-21 09:43:28	478ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-19 21:18:01	3947ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 15:16:10 shown	523ms	2 NS 1 A 1 MX	🔒 Secure