skola-system.dk

📜 Historical scan 2026-07-02 11:29:54 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

skola-system.dk is a .dk domain served by 2 nameservers (ns1.atznet.dk, ns2.atznet.dk). It was registered on 11 January 2002 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 195.242.130.101 is hosted by Christian Ebsen ApS (AS62121) in Denmark. Mail is handled by mxfilter.bitguard.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 37ms

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 38ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
195.242.130.101	3600s	web4.atznet.dk	AS62121	Christian Ebsen ApS	195.242.130.0/23	🇩🇰 Denmark	—

📧 MX Records#

1 records 33ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
5	3600s	mxfilter.bitguard.dk	185.93.195.55	mxfilter.bitguard.dk	AS62121 Christian Ebsen ApS

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	195.242.130.101
🔶 Autoconfig	195.242.130.101

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

📝

No TXT records found

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 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 2026-10-24 04:49:26

www	195.242.130.101 (AS62121) (address records, no CNAME)
www vs bare domain	Same network skola-system.dk: 195.242.130.101 (AS62121) www.skola-system.dk: 195.242.130.101 (AS62121)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔗 TLSA / DANE#

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

🔐 DNSSEC#

57ms

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

🏷️ SOA#

36ms

Field	Value
Serial	2020032504
Primary NS (MNAME)	ns1.atznet.dk
Responsible (RNAME)	hostmaster@atznet.dk
Refresh	86400s
Retry	7200s
Expire	3600000s
Minimum (neg-cache TTL)	172800s

📋 Registration#

WHOIS fetched 2026-10-21 08:08:04

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2002-01-11
Expires	2027-03-31 (158d)

🔗 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#

37ms

38ms

33ms

AAAA

41ms

TXT

407ms

CAA

58ms

HTTPS

37ms

TLSA

83ms

SOA

36ms

MTA-STS

47ms

DNSSEC

57ms

SRV

60ms

Total

941ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-24 04:49:26	588ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-30 11:50:34	587ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-02 11:29:54 shown	941ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-26 02:23:46	875ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 14:06:28	5651ms	2 NS 1 A 1 MX	🔒 Secure