alexanderfrederiksen.dk
Last scanned: 2026-08-27 23:38:08  ·  526ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   46ms
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   45ms
IPTTLPTRASNISP / OrgCIDRCountryCity
46.30.215.125 3600s webcluster2.webpod16-cph3.one.com AS51468 One.com A/S 46.30.208.0/21 🇩🇰 Denmark Copenhagen
📧 MX Records1 records   50ms
PriorityTTLMail ServerIP addressesPTRASN
0 300s .  Null MX — domain accepts no email (RFC 7505)
🔷 AAAA Records (IPv6)1 records   38ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2a02:2350:5:111:80ed:66de:caf2:3763 3600s — AS51468 One.com A/S 2a02:2350:0:0:0:0:0:0/32 🇩🇰 Denmark Copenhagen
🔐 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)
🔐 DNSSEC106ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026082201
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
46ms
A
45ms
MX
50ms
AAAA
38ms
TXT
196ms
CAA
46ms
HTTPS
49ms
TLSA
52ms
SOA
0ms
MTA-STS
79ms
DNSSEC
106ms
SRV
67ms
Total
526ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 23:38:08 526ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-27 00:54:50 601ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-23 22:01:16 1740ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-06 04:06:18 1353ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-23 11:51:12 17487ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-24 09:17:55 985ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-22 06:52:52 1174ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-16 12:44:16 541ms 2 NS 1 A 0 MX 🔒 Secure View
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