4720.dk
Last scanned: 2026-08-16 13:05:29  ·  1686ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   28ms
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
ns2.e-studio.dk		 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   16ms
IPTTLPTRASNISP / OrgCIDRCountryCity
193.200.90.180 300s web8.e-studio.dk AS62121 Christian Ebsen ApS 193.200.90.0/23 🇩🇰 Denmark —
📧 MX Records1 records   3ms
PriorityTTLMail ServerIP addressesPTRASN
10 3600s mail.4720.dk 193.200.90.180 web8.e-studio.dk AS62121 Christian Ebsen ApS
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   78ms
TXT Record
v=spf1 +a +mx +ip4:193.200.90.180 include:_spf.e-studio.dk ~all
✉️ SPF
PolicyRecord (4720.dk)
~all (soft fail) v=spf1 +a +mx +ip4:193.200.90.180 include:_spf.e-studio.dk ~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
🔏 ACME Challenge
TypeNameValue
TXT _acme-challenge.4720.dk 2CPqt6PTQcyoeA1Ueo5d7it3mhvNq3yvc4AJ2Dz69aI
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC136ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✓ Found
Flagsunsigned answer
Key typeAlgorithmPublic key
KSK RSA/SHA-256 AwEAAbaXem37pLxIvZy31mVrYTvQWHkdIeEyyAgK…
ZSK RSA/SHA-256 AwEAAen99tRHdF6LU8G5LIFhOyFmmpVQbhOkkljR…
🏷️ SOA3ms
FieldValue
Serial2026070201
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
28ms
A
16ms
MX
3ms
AAAA
40ms
TXT
78ms
CAA
0ms
HTTPS
38ms
TLSA
171ms
SOA
3ms
MTA-STS
36ms
DNSSEC
136ms
SRV
0ms
Total
1686ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-16 13:05:29 1686ms 3 NS 1 A 1 MX 🔓 Insecure View
2026-07-03 12:33:45 5191ms 3 NS 1 A 1 MX 🔓 Insecure View
2026-06-26 14:54:02 680ms 3 NS 1 A 1 MX 🔓 Insecure View
2026-06-16 13:00:20 2230ms 3 NS 1 A 1 MX 🔓 Insecure View
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