skoleture.dk

📜 Historical scan 2026-06-17 12:17:43 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

skoleture.dk is a .dk domain served by 2 nameservers (ns.web4u.cz, ns2.web4u.cz). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 81.91.86.14 is hosted by Web4U s.r.o. (AS39790) in Czechia. Mail is handled by mx1.mailchannels.net, mx2.mailchannels.net. The zone is not DNSSEC-signed, has no DMARC policy and is reachable over IPv6. 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 137ms

Nameserver	IP addresses	PTR	ASN / ISP
ns.web4u.cz	185.14.224.241 2001:1568:fd::241	ns.web4u.cz ns.web4u.cz	AS39790 Web4U s.r.o. AS39790 Web4U s.r.o.
ns2.web4u.cz	2a02:a40:100:28ff::12 85.207.53.12	ns2.web4u.cz ns2.web4u.cz	AS25248 RADIOKOMUNIKACE a.s. AS25248 RADIOKOMUNIKACE a.s.

🌍 A Records#

1 records 150ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
81.91.86.14	—	php7.web4u.cz	AS39790	Web4U s.r.o.	81.91.80.0/20	🇨🇿 Czechia	—

📧 MX Records#

2 records 141ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	mx1.mailchannels.net	54.187.177.89	ec2-54-187-177-89.us-west-2.compute.amazonaws.com	AS16509 Amazon.com, Inc.
10	—	mx2.mailchannels.net	54.69.1.140	ec2-54-69-1-140.us-west-2.compute.amazonaws.com	AS16509 Amazon.com, Inc.

🔷 AAAA Records (IPv6)#

1 records 194ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2001:1568::14	—	php7.web4u.cz	AS39790	Web4U s.r.o.	2001:1568:0:0:0:0:0:0/32	🇨🇿 Czechia	—

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 414ms

TXT Record
v=spf1 include:_spf.web4u.cz ~all

✉️ SPF#

Policy	Record (skoleture.dk)
~all (soft fail)	v=spf1 include:_spf.web4u.cz ~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 2026-10-11 19:38:04

www	81.91.86.14 2001:1568::14 (AS39790) (address records, no CNAME)
www vs bare domain	Same network skoleture.dk: 81.91.86.14 2001:1568::14 (AS39790) www.skoleture.dk: 81.91.86.14 2001:1568::14 (AS39790)
Wildcard	Yes: any name under the zone resolves

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

116ms

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

🏷️ SOA#

51ms

Field	Value
Serial	2025051100
Primary NS (MNAME)	ns.web4u.cz
Responsible (RNAME)	admin@web4u.cz
Refresh	10800s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	14400s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

137ms

150ms

141ms

AAAA

194ms

TXT

414ms

CAA

125ms

HTTPS

99ms

TLSA

244ms

SOA

51ms

MTA-STS

110ms

DNSSEC

116ms

SRV

0ms

Total

1365ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-02 12:37:26	1236ms	2 NS 1 A 2 MX	🔓 Insecure
2026-07-02 15:54:04	1422ms	2 NS 1 A 2 MX	🔓 Insecure
2026-06-17 12:17:43 shown	1365ms	2 NS 1 A 2 MX	🔓 Insecure