looke.dk

📜 Historical scan 2026-06-17 11:52:33  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

looke.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 mx.web4u.cz. 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   185ms
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   173ms
IPTTLPTRASNISP / OrgCIDRCountryCity
81.91.86.14 — php7.web4u.cz AS39790 Web4U s.r.o. 81.91.80.0/20 🇨🇿 Czechia —

📧 MX Records#

1 records   169ms
PriorityTTLMail ServerIP addressesPTRASN
10 — mx.web4u.cz 2001:1568::7012
81.91.87.12		 mx.web4u.cz
mx.web4u.cz		 AS39790 Web4U s.r.o.
AS39790 Web4U s.r.o.

🔷 AAAA Records (IPv6)#

1 records   133ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
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#

📝
No TXT records found

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 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 2026-10-08 14:31:45
www81.91.86.14 2001:1568::14 (AS39790) (address records, no CNAME)
www vs bare domainSame network
WildcardYes: any name under the zone resolves

🔗 TLSA / DANE#

1 records   176ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx.web4u.cz DANE-EE · SPKI · SHA-256 FC3A9B6D2E5D7F67B776635683381542…

🔐 DNSSEC#

625ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

160ms
FieldValue
Serial2019021701
Primary NS (MNAME)ns.web4u.cz
Responsible (RNAME)admin@web4u.cz
Refresh10800s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)14400s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup
📋 WHOIS#

⏱️ Lookup Timing#

NS
185ms
A
173ms
MX
169ms
AAAA
133ms
TXT
335ms
CAA
155ms
HTTPS
144ms
TLSA
176ms
SOA
160ms
MTA-STS
131ms
DNSSEC
625ms
SRV
0ms
Total
1606ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-09-26 12:24:36 9793ms 2 NS 1 A 1 MX 🔓 Insecure
2026-08-26 18:10:56 1033ms 2 NS 1 A 1 MX 🔓 Insecure
2026-06-24 00:13:50 1433ms 2 NS 1 A 1 MX 🔓 Insecure
2026-06-20 04:47:42 2756ms 2 NS 1 A 1 MX 🔓 Insecure
2026-06-17 11:52:33 shown 1606ms 2 NS 1 A 1 MX 🔓 Insecure
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