s4e.dk
Last scanned: 2026-08-27 18:42:34  ·  1135ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   48ms
NameserverIP addressesPTRASN / ISP
ns1.desec.io 2607:f740:e633:deec::2
45.54.76.1		 ns1.desec.io
ns1.desec.io		 AS63911 NetActuate, Inc
AS63911 NetActuate, Inc
ns2.desec.org 157.53.224.1
2607:f740:e00a:deec::2		 ns2.desec.org
ns2.desec.org		 AS36217 NetActuate, Inc
AS36217 NetActuate, Inc
🌍 A Records
🌍
No A records found
📧 MX Records3 records   51ms
PriorityTTLMail ServerIP addressesPTRASN
10 3600s mxext1.mailbox.org 2001:67c:2050:104:0:1:25:1
80.241.60.212		 mx1.mailbox.org
mx1.mailbox.org		 AS199118 Heinlein-Support GmbH
AS199118 Heinlein-Support GmbH
10 3600s mxext2.mailbox.org 2001:67c:2050:104:0:2:25:1
80.241.60.215		 mx2.mailbox.org
mx2.mailbox.org		 AS199118 Heinlein-Support GmbH
AS199118 Heinlein-Support GmbH
20 3600s mxext3.mailbox.org 2001:67c:2050:104:0:3:25:1
80.241.60.216		 mx3.mailbox.org
mx3.mailbox.org		 AS199118 Heinlein-Support GmbH
AS199118 Heinlein-Support GmbH
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 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
🔗 TLSA / DANE9 records   80ms
Service / OwnerTypeCert association
SMTP _25._tcp.mxext1.mailbox.org DANE-EE · SPKI · SHA-256 996AD31D65E03F038B8EC950F6F26611…
SMTP _25._tcp.mxext1.mailbox.org DANE-EE · SPKI · SHA-256 E41CC7633029AFDBA53744D7E5FC31EF…
SMTP _25._tcp.mxext1.mailbox.org DANE-EE · SPKI · SHA-256 4758AF6F02DFB5DC8795FA402E77A8A0…
SMTP _25._tcp.mxext2.mailbox.org DANE-EE · SPKI · SHA-256 996AD31D65E03F038B8EC950F6F26611…
SMTP _25._tcp.mxext2.mailbox.org DANE-EE · SPKI · SHA-256 4758AF6F02DFB5DC8795FA402E77A8A0…
SMTP _25._tcp.mxext2.mailbox.org DANE-EE · SPKI · SHA-256 E41CC7633029AFDBA53744D7E5FC31EF…
SMTP _25._tcp.mxext3.mailbox.org DANE-EE · SPKI · SHA-256 996AD31D65E03F038B8EC950F6F26611…
SMTP _25._tcp.mxext3.mailbox.org DANE-EE · SPKI · SHA-256 E41CC7633029AFDBA53744D7E5FC31EF…
SMTP _25._tcp.mxext3.mailbox.org DANE-EE · SPKI · SHA-256 4758AF6F02DFB5DC8795FA402E77A8A0…
🔐 DNSSEC120ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsresolution failed: ncache nxrrset
🏷️ SOA0ms
FieldValue
Serial2024073158
Primary NS (MNAME)get.desec.io
Responsible (RNAME)get@desec.io
Refresh86400s
Retry3600s
Expire2419200s
Minimum (neg-cache TTL)3600s
📋 RegistrationWHOIS fetched 2026-08-01 10:09:18
FieldValue
RegistrarDom
Registered2017-07-11
Expires2027-07-31 (331d)
📋 WHOIS
⏱️ Lookup Timing
NS
48ms
A
42ms
MX
51ms
AAAA
54ms
TXT
151ms
CAA
52ms
HTTPS
44ms
TLSA
80ms
SOA
0ms
MTA-STS
49ms
DNSSEC
120ms
SRV
55ms
Total
1135ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 18:42:34 1135ms 2 NS 0 A 3 MX 🔒 Secure View
2026-08-21 11:03:23 1793ms 2 NS 0 A 3 MX 🔒 Secure View
2026-08-15 02:45:23 3923ms 2 NS 0 A 3 MX 🔒 Secure View
2026-08-08 09:17:38 1452ms 2 NS 0 A 3 MX 🔒 Secure View
2026-08-01 10:08:31 2530ms 2 NS 0 A 3 MX 🔒 Secure View
2026-07-23 19:38:53 4463ms 2 NS 0 A 3 MX 🔒 Secure View
2026-07-17 00:47:08 1632ms 2 NS 0 A 3 MX 🔒 Secure View
2026-07-11 19:16:46 9242ms 2 NS 0 A 3 MX 🔒 Secure View
2026-07-03 14:39:32 2616ms 2 NS 0 A 3 MX 🔒 Secure View
2026-06-28 22:31:22 980ms 2 NS 0 A 3 MX 🔒 Secure View
2026-06-21 23:41:43 713ms 2 NS 0 A 3 MX 🔒 Secure View
2026-06-19 21:26:48 1002ms 2 NS 0 A 3 MX 🔒 Secure View
2026-06-18 20:24:10 6328ms 2 NS 0 A 3 MX 🔒 Secure View
2026-06-18 08:09:54 1812ms 2 NS 0 A 3 MX 🔒 Secure View
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