tentino.dk

Records from scan: 2026-10-02 19:32:07  ·  3627ms total  ·  last checked 2026-10-16 11:20 (unchanged)
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

tentino.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   341ms
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   184ms
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   158ms
PriorityTTLMail ServerIP addressesPTRASN
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 54.187.177.89 ec2-54-187-177-89.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   133ms
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#

📝
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#

checked 2026-10-15 11:08:58
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#

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

🔐 DNSSEC#

656ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

190ms
FieldValue
Serial2025050500
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
341ms
A
184ms
MX
158ms
AAAA
133ms
TXT
982ms
CAA
166ms
HTTPS
137ms
TLSA
1085ms
SOA
190ms
MTA-STS
430ms
DNSSEC
656ms
SRV
557ms
Total
3627ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-02 19:32:07 shown 3627ms 2 NS 1 A 2 MX 🔓 Insecure
2026-09-29 19:11:37 2018ms 2 NS 1 A 2 MX 🔓 Insecure
2026-09-24 07:51:36 2611ms 2 NS 1 A 2 MX 🔓 Insecure
2026-08-25 13:10:04 11405ms 2 NS 1 A 2 MX 🔓 Insecure
2026-06-25 01:09:12 1045ms 2 NS 1 A 2 MX ❓ Unknown
2026-06-17 14:02:50 1957ms 2 NS 1 A 2 MX 🔓 Insecure
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