10-klasseskolen.dk

📜 Historical scan 2026-06-20 05:57:20 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

10-klasseskolen.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It was registered on 28 January 2000 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 93.191.155.240 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by mail.10-klasseskolen.dk, backup-mx.zitcom.dk. The zone is DNSSEC-signed and validates, 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#

2 records 42ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.curanet.dk	185.25.141.12 2a02:2339:4006:108::123	ns1.curanet.dk ns1.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.curanet.dk	2a02:2339:1:10f::123:123 91.197.248.75	ns2.curanet.dk ns2.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 43ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
93.191.155.240	600s	forward.dnsfactory.dk	AS48854	team.blue Denmark A/S	93.191.152.0/21	🇩🇰 Denmark	—

📧 MX Records#

2 records 81ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mail.10-klasseskolen.dk	80.160.71.163	mail1.curanet.dk	AS3292 TDC Holding A/S
20	3600s	backup-mx.zitcom.dk	46.36.212.34 46.36.212.36 46.36.212.37 46.36.212.38 89.188.78.64 89.188.78.65 89.188.78.66 94.231.106.12	node4.spamfilter.io node8.spamfilter.io node6.spamfilter.io node7.spamfilter.io node3.spamfilter.io node9.spamfilter.io node10.spamfilter.io node2.spamfilter.io	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	93.191.155.240
🔶 Autoconfig	93.191.155.240

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 213ms

TXT Record
v=spf1 include:spf.curanet.dk -all

✉️ SPF#

Policy	Record (10-klasseskolen.dk)
-all (hard fail)	v=spf1 include:spf.curanet.dk -all

📨 DMARC#

Policy	Record (_dmarc.10-klasseskolen.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:eprotokol.us@apricore.com; ruf=mailto:eprotokol.us@apricore.com; sp=none; ri=86400

📬 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 2026-10-11 01:08:05

www	93.191.155.240 (AS48854) (address records, no CNAME)
www vs bare domain	Same network 10-klasseskolen.dk: 93.191.155.240 (AS48854) www.10-klasseskolen.dk: 93.191.155.240 (AS48854)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC3 · 1 iteration · 1-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: 3/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

104ms

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

🏷️ SOA#

53ms

Field	Value
Serial	2024020801
Primary NS (MNAME)	ns1.curanet.dk
Responsible (RNAME)	hostmaster@curanet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-07 16:30:09

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2000-01-28
Expires	2027-03-31 (165d)

📋 WHOIS#

⏱️ Lookup Timing#

42ms

43ms

81ms

AAAA

43ms

TXT

213ms

CAA

75ms

HTTPS

32ms

TLSA

86ms

SOA

53ms

MTA-STS

81ms

DNSSEC

104ms

SRV

120ms

Total

631ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-08-26 11:18:41	782ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-20 05:57:20 shown	631ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-16 12:33:52	1788ms	2 NS 1 A 2 MX	🔒 Secure