znn.dk
Last scanned: 2026-08-25 14:28:05  ·  1519ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   79ms
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 Records1 records   60ms
IPTTLPTRASNISP / OrgCIDRCountryCity
188.177.21.90 43200s 188-177-21-90-static.dk.customer.tdc.net AS3292 TDC Holding A/S 188.176.0.0/13 🇩🇰 Denmark Copenhagen
📧 MX Records1 records   55ms
PriorityTTLMail ServerIP addressesPTRASN
10 43200s spock.dk 90.184.0.97 x5ab80061.customers.hiper-net.dk AS203953 Hiper A/S
🔷 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 / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC204ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026082501
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
79ms
A
60ms
MX
55ms
AAAA
102ms
TXT
328ms
CAA
73ms
HTTPS
70ms
TLSA
213ms
SOA
0ms
MTA-STS
120ms
DNSSEC
204ms
SRV
108ms
Total
1519ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-25 14:28:05 1519ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-23 13:28:01 1796ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-26 07:32:43 2568ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-15 23:11:35 838ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-27 08:36:17 597ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-25 13:12:37 643ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-17 14:33:12 878ms 2 NS 1 A 1 MX 🔒 Secure View
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