skoleture.dk

Records from scan: 2026-10-02 12:37:26 · 1236ms total · last checked 2026-10-16 01:07 (unchanged)

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

🖥️ Nameservers#

2 records 60ms

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 55ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
81.91.86.14	900s	php7.web4u.cz	AS39790	Web4U s.r.o.	81.91.80.0/20	🇨🇿 Czechia	—

📧 MX Records#

2 records 51ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	900s	mx1.mailchannels.net	54.187.177.89	ec2-54-187-177-89.us-west-2.compute.amazonaws.com	AS16509 Amazon.com, Inc.
10	900s	mx2.mailchannels.net	54.69.1.140	ec2-54-69-1-140.us-west-2.compute.amazonaws.com	AS16509 Amazon.com, Inc.

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	81.91.86.14
🔶 Autoconfig	81.91.86.14

🔷 AAAA Records (IPv6)#

1 records 54ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2001:1568::14	900s	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 379ms

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#

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#

90ms

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

🏷️ SOA#

110ms

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#

60ms

55ms

51ms

AAAA

54ms

TXT

379ms

CAA

70ms

HTTPS

52ms

TLSA

520ms

SOA

110ms

MTA-STS

93ms

DNSSEC

90ms

SRV

120ms

Total

1236ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-02 12:37:26 shown	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	1365ms	2 NS 1 A 2 MX	🔓 Insecure