1fn.dk
Last scanned: 2026-08-26 23:12:01  ·  497ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   48ms
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   50ms
IPTTLPTRASNISP / OrgCIDRCountryCity
75.2.60.5 3600s acd89244c803f7181.awsglobalaccelerator.com AS16509 Amazon.com, Inc. 75.2.0.0/17 🇺🇸 United States —
📧 MX Records1 records   48ms
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)
🔐 DNSSEC98ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026082001
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
48ms
A
50ms
MX
48ms
AAAA
47ms
TXT
186ms
CAA
41ms
HTTPS
49ms
TLSA
40ms
SOA
0ms
MTA-STS
56ms
DNSSEC
98ms
SRV
70ms
Total
497ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-26 23:12:01 497ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-25 17:33:49 1025ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-21 13:17:54 3917ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-22 03:19:38 759ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-24 07:35:31 2463ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-16 12:56:59 1131ms 2 NS 1 A 0 MX 🔒 Secure View
2026-06-16 12:49:03 670ms 2 NS 1 A 0 MX 🔒 Secure View
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