bysimson.dk
📜 Historical scan 2026-07-27 13:27:55  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   30ms
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   31ms
IPTTLPTRASNISP / OrgCIDRCountryCity
46.30.211.38 600s domain-parking.one.com AS51468 One.com A/S 46.30.208.0/21 🇩🇰 Denmark Copenhagen
📧 MX Records1 records   30ms
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)
🔐 DNSSEC2051ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2026071701
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
30ms
A
31ms
MX
30ms
AAAA
29ms
TXT
162ms
CAA
28ms
HTTPS
2030ms
TLSA
39ms
SOA
0ms
MTA-STS
2045ms
DNSSEC
2051ms
SRV
2039ms
Total
4474ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-28 04:28:44 771ms 2 NS 1 A 4 MX 🔓 Insecure View
2026-08-26 23:37:50 697ms 2 NS 1 A 4 MX 🔓 Insecure View
2026-08-24 17:49:20 616ms 2 NS 1 A 4 MX 🔓 Insecure View
2026-08-21 15:58:08 890ms 2 NS 1 A 4 MX 🔓 Insecure View
2026-08-16 23:17:17 976ms 2 NS 1 A 4 MX 🔓 Insecure View
2026-08-15 14:57:02 4726ms 2 NS 1 A 4 MX 🔓 Insecure View
2026-08-10 16:12:21 3988ms 2 NS 1 A 4 MX 🔓 Insecure View
2026-07-27 13:27:55 4474ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-07-26 12:42:25 562ms 1 NS 0 A 0 MX ❓ Unknown View
2026-07-25 12:18:47 2639ms 1 NS 0 A 0 MX ❓ Unknown View
2026-07-24 12:05:15 603ms 1 NS 0 A 0 MX ❓ Unknown View
2026-07-23 11:30:55 686ms 1 NS 0 A 0 MX ❓ Unknown View
2026-07-22 03:00:34 651ms 1 NS 0 A 0 MX ❓ Unknown View
2026-07-20 15:13:53 569ms 1 NS 0 A 0 MX ❓ Unknown View
2026-07-19 10:17:35 755ms 1 NS 0 A 0 MX ❓ Unknown View
2026-07-18 09:40:03 915ms 1 NS 0 A 0 MX ❓ Unknown View
2026-07-16 16:53:51 9682ms 1 NS 0 A 0 MX ❓ Unknown View
2026-07-12 08:34:34 2352ms 1 NS 0 A 0 MX ❓ Unknown View
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