10-klasseskolen.dk

Records from scan: 2026-08-26 11:18:41 · 782ms total · last checked 2026-10-16 11:00 (unchanged)

⬇ 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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 49ms

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 50ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
93.191.155.240	60s	forward.dnsfactory.dk	AS48854	team.blue Denmark A/S	93.191.152.0/21	🇩🇰 Denmark	—

📧 MX Records#

2 records 46ms

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 203ms

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#

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#

93ms

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

🏷️ SOA#

0ms

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#

49ms

50ms

46ms

AAAA

50ms

TXT

203ms

CAA

62ms

HTTPS

51ms

TLSA

61ms

SOA

0ms

MTA-STS

69ms

DNSSEC

93ms

SRV

62ms

Total

782ms

🕐 Scan History#

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