cuk.dk
📜 Historical scan 2026-06-21 02:06:40  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   31ms
NameserverIP addressesPTRASN / ISP
ns1.e-studio.dk 195.242.131.5
2001:67c:564:fffc::11		 ns1.e-studio.dk
ns1.e-studio.dk		 AS62121 Christian Ebsen ApS
AS62121 Christian Ebsen ApS
ns2.e-studio.dk 2a00:1b18:2:3::2
62.69.152.34		 ns2.e-studio.dk
34.34-46.152.69.62.in-addr.arpa		 AS47527 DLX A/S
AS47527 DLX A/S
ns3.e-studio.dk 193.200.90.183
2001:67c:564:fffc::13		 ns3.e-studio.dk
ns3.e-studio.dk		 AS62121 Christian Ebsen ApS
AS62121 Christian Ebsen ApS
🌍 A Records1 records   62ms
IPTTLPTRASNISP / OrgCIDRCountryCity
193.200.90.178 14400s web6.e-studio.dk AS62121 Christian Ebsen ApS 193.200.90.0/23 🇩🇰 Denmark —
📧 MX Records1 records   201ms
PriorityTTLMail ServerIP addressesPTRASN
0 14400s cuk.dk 193.200.90.178 web6.e-studio.dk AS62121 Christian Ebsen ApS
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover193.200.90.178
🔶 Autoconfig193.200.90.178
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
🔌 SRV Records1 records   270ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 0 0 443 cpanelemaildiscovery.cpanel.net
📝 TXT Records1 records   273ms
TXT Record
v=spf1 ip4:193.200.90.178 include:_spf.e-studio.dk -all
✉️ SPF
PolicyRecord (cuk.dk)
-all (hard fail) v=spf1 ip4:193.200.90.178 include:_spf.e-studio.dk -all
📨 DMARC
PolicyRecord (_dmarc.cuk.dk)
p=none (monitor only) v=DMARC1; p=none;
📬 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
🔏 ACME Challenge
TypeNameValue
TXT _acme-challenge.cuk.dk YjOfRwXfQArld3MhsjQxSSm9QfZG9m3vJ4BngOWBD14
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC180ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✓ Found
Flagsunsigned answer
🏷️ SOA33ms
FieldValue
Serial2026061201
Primary NS (MNAME)ns1.e-studio.dk
Responsible (RNAME)hostmaster@mailrelay.e-studio.dk
Refresh3600s
Retry1800s
Expire1209600s
Minimum (neg-cache TTL)86400s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
31ms
A
62ms
MX
201ms
AAAA
131ms
TXT
273ms
CAA
86ms
HTTPS
276ms
TLSA
238ms
SOA
33ms
MTA-STS
153ms
DNSSEC
180ms
SRV
270ms
Total
720ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-30 23:34:03 400ms 3 NS 1 A 0 MX 🔓 Insecure View
2026-08-25 08:03:00 576ms 3 NS 1 A 1 MX 🔓 Insecure View
2026-08-13 16:22:34 9701ms 3 NS 1 A 1 MX 🔓 Insecure View
2026-06-21 02:06:40 720ms 3 NS 1 A 1 MX 🔓 Insecure View
2026-06-19 23:29:47 1710ms 3 NS 1 A 1 MX 🔓 Insecure View
2026-06-16 23:11:45 2667ms 3 NS 1 A 1 MX 🔓 Insecure View
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