v4u.dk
Last scanned: 2026-08-25 16:31:54  ·  1710ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers4 records   107ms
NameserverIP addressesPTRASN / ISP
ns1.eurodns.com 199.167.66.107
2610:1c8:b002::107		 ns1.eurodns.com
ns1.eurodns.com		 AS23393 NuCDN LLC
AS23393 NuCDN LLC
ns2.eurodns.com 104.37.178.107
2610:1c8:b001::107		 ns2.eurodns.com
ns2.eurodns.com		 AS23393 NuCDN LLC
AS23393 NuCDN LLC
ns3.eurodns.com 199.167.66.108
2610:1c8:b002::108		 ns3.eurodns.com
ns3.eurodns.com		 AS23393 NuCDN LLC
AS23393 NuCDN LLC
ns4.eurodns.com 104.37.178.108
2610:1c8:b001::108		 ns4.eurodns.com
ns4.eurodns.com		 AS23393 NuCDN LLC
AS23393 NuCDN LLC
🌍 A Records1 records   92ms
IPTTLPTRASNISP / OrgCIDRCountryCity
52.178.190.191 600s — AS8075 Microsoft Corporation 52.160.0.0/11 🇮🇪 Ireland Dublin
📧 MX Records1 records   72ms
PriorityTTLMail ServerIP addressesPTRASN
0 3600s .  Null MX — domain accepts no email (RFC 7505)
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records2 records   347ms
TXT Record
_globalsign-domain-verification=etpO3XE3m8jI8CLsIm9qCLS1BWkSQazNSOilox5WFK
v=spf1 -all
✉️ SPF
PolicyRecord (v4u.dk)
-all (hard fail) v=spf1 -all
📨 DMARC
PolicyRecord (_dmarc.v4u.dk)
p=reject v=DMARC1; p=reject;
📬 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
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC251ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2026082500
Primary NS (MNAME)ns1.eurodns.com
Responsible (RNAME)hostmaster@eurodns.com
Refresh43200s
Retry7200s
Expire1209600s
Minimum (neg-cache TTL)86400s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
107ms
A
92ms
MX
72ms
AAAA
72ms
TXT
347ms
CAA
108ms
HTTPS
69ms
TLSA
255ms
SOA
0ms
MTA-STS
158ms
DNSSEC
251ms
SRV
144ms
Total
1710ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-25 16:31:54 1710ms 4 NS 1 A 1 MX 🔓 Insecure View
2026-06-17 17:21:42 1315ms 4 NS 1 A 0 MX 🔓 Insecure View
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