sw20.dk
Last scanned: 2026-08-26 10:19:02  ·  658ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   49ms
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   51ms
IPTTLPTRASNISP / OrgCIDRCountryCity
86.52.55.38 3600s 86-52-55-38.norlyscustomer.net AS39642 Sinal A/S 86.52.0.0/16 🇩🇰 Denmark Viborg
📧 MX Records1 records   41ms
PriorityTTLMail ServerIP addressesPTRASN
0 300s .  Null MX — domain accepts no email (RFC 7505)
🔷 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)
🔐 DNSSEC84ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026081001
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
49ms
A
51ms
MX
41ms
AAAA
47ms
TXT
196ms
CAA
42ms
HTTPS
53ms
TLSA
127ms
SOA
0ms
MTA-STS
82ms
DNSSEC
84ms
SRV
68ms
Total
658ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-26 10:19:02 658ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-10 12:17:39 8693ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-25 15:29:57 4608ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-16 09:49:27 666ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-11 01:52:05 537ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-18 10:46:04 705ms 2 NS 1 A 1 MX 🔒 Secure View
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