er-fredericia.dk
Last scanned: 2026-08-31 02:29:48  ·  1370ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   97ms
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   67ms
IPTTLPTRASNISP / OrgCIDRCountryCity
162.159.137.9 3600s — AS13335 Cloudflare, Inc. 162.159.128.0/19 🇺🇸 United States —
📧 MX Records1 records   107ms
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)
🔐 DNSSEC396ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026083001
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
97ms
A
67ms
MX
107ms
AAAA
107ms
TXT
361ms
CAA
178ms
HTTPS
101ms
TLSA
133ms
SOA
0ms
MTA-STS
178ms
DNSSEC
396ms
SRV
181ms
Total
1370ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-31 02:29:48 1370ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-20 16:12:27 4556ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-01 06:17:30 551ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-02 10:07:25 680ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-26 21:24:09 507ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-25 19:21:07 749ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-23 04:09:19 770ms 2 NS 1 A 4 MX 🔒 Secure View
2026-06-19 22:40:20 656ms 2 NS 1 A 4 MX 🔒 Secure View
2026-06-17 08:03:20 472ms 2 NS 1 A 4 MX 🔒 Secure View
2026-06-17 08:03:11 2281ms 2 NS 1 A 4 MX 🔒 Secure View
2026-06-17 08:03:06 13592ms 2 NS 1 A 4 MX 🔒 Secure View
2026-06-17 08:00:11 683ms 2 NS 1 A 4 MX 🔒 Secure View
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