zx.dk
Last scanned: 2026-08-26 11:32:13  ·  1136ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   51ms
NameserverIP addressesPTRASN / ISP
ns01.one.com 195.206.121.10
2001:67c:28cc::10		 ns01.one.com
ns01.one.com		 AS197495 One.com A/S
AS197495 One.com A/S
ns02.one.com 185.10.11.10
2001:67c:3c0::10		 ns02.one.com
ns02.one.com		 AS51468 One.com A/S
AS51468 One.com A/S
🌍 A Records
🌍
No A records found
📧 MX Records1 records   44ms
PriorityTTLMail ServerIP addressesPTRASN
10 43200s mail.tyknet.dk 2a09:94c4:55d1:7620::23
85.209.118.35		 smtp1.servers.tyktech.dk
smtp1.servers.tyktech.dk		 AS209327 tyktech
AS209327 tyktech
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   292ms
TXT Record
v=spf1 mx -all
✉️ SPF
PolicyRecord (zx.dk)
-all (hard fail) v=spf1 mx -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 Records2 records   58ms
FlagsTagValue
128 iodef mailto:hostmaster@zx.dk
128 issue letsencrypt.org; validationmethods=dns-01; accounturi=https://acme-v02.api.letsencrypt.org/acme/acct/392649530
🔗 TLSA / DANE6 records   95ms
Service / OwnerTypeCert association
SMTP _25._tcp.mail.tyknet.dk DANE-EE · SPKI · Full 30820222300D06092A864886F70D0101…
SMTP _25._tcp.mail.tyknet.dk DANE-EE · SPKI · Full 3076301006072A8648CE3D020106052B…
SMTP _25._tcp.mail.tyknet.dk DANE-EE · SPKI · SHA-512 B3FAC8B615DAF897F4ACBA6D32040B7E…
SMTP _25._tcp.mail.tyknet.dk DANE-EE · SPKI · SHA-512 72340A3C55BAC451D506CA29501C213C…
SMTP _25._tcp.mail.tyknet.dk DANE-EE · SPKI · SHA-256 523DD66454DC8839F5D5EB75E880061F…
SMTP _25._tcp.mail.tyknet.dk DANE-EE · SPKI · SHA-256 0FDDE2349FE63C47E01B3995CBA0263A…
🔐 DNSSEC175ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsresolution failed: ncache nxrrset
🏷️ SOA0ms
FieldValue
Serial2026032401
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)hostmaster@one.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
51ms
A
42ms
MX
44ms
AAAA
42ms
TXT
292ms
CAA
58ms
HTTPS
45ms
TLSA
95ms
SOA
0ms
MTA-STS
66ms
DNSSEC
175ms
SRV
76ms
Total
1136ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-26 11:32:13 1136ms 2 NS 0 A 1 MX 🔒 Secure View
2026-07-01 09:59:42 868ms 2 NS 0 A 1 MX 🔒 Secure View
2026-06-28 10:18:42 830ms 2 NS 0 A 1 MX 🔒 Secure View
2026-06-18 04:15:13 1277ms 2 NS 0 A 1 MX 🔒 Secure View
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