skoleture.dk

📜 Historical scan 2026-07-02 15:54:04  ·  ← 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 registered on 1 August 2024 (WHOIS) and 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   104ms
NameserverIP addressesPTRASN / 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   105ms
IPTTLPTRASNISP / OrgCIDRCountryCity
81.91.86.14 900s php7.web4u.cz AS39790 Web4U s.r.o. 81.91.80.0/20 🇨🇿 Czechia —

📧 MX Records#

2 records   103ms
PriorityTTLMail ServerIP addressesPTRASN
10 900s mx1.mailchannels.net 54.69.1.140 ec2-54-69-1-140.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#

ServiceCNAME / IP
🔷 Autodiscover81.91.86.14
🔶 Autoconfig81.91.86.14

🔷 AAAA Records (IPv6)#

1 records   103ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
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   429ms
TXT Record
v=spf1 include:_spf.web4u.cz ~all

✉️ SPF#

PolicyRecord (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
www81.91.86.14 2001:1568::14 (AS39790) (address records, no CNAME)
www vs bare domainSame network
WildcardYes: 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#

131ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

101ms
FieldValue
Serial2025051100
Primary NS (MNAME)ns.web4u.cz
Responsible (RNAME)admin@web4u.cz
Refresh10800s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)14400s

📋 Registration#

WHOIS fetched 2026-10-17 02:51:36
FieldValue
RegistrarGransy s.r.o.
Registered2024-08-01
Expires2027-07-31 (287d)

🔗 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#

NS
104ms
A
105ms
MX
103ms
AAAA
103ms
TXT
429ms
CAA
103ms
HTTPS
103ms
TLSA
380ms
SOA
101ms
MTA-STS
172ms
DNSSEC
131ms
SRV
179ms
Total
1422ms

🕐 Scan History#

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