sealevel.dk
Last scanned: 2026-08-27 20:33:12  ·  374ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   31ms
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   25ms
IPTTLPTRASNISP / OrgCIDRCountryCity
195.47.247.18 3600s one.com.webforward.g1i.one AS51468 One.com A/S 195.47.247.0/24 — —
📧 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)
🔐 DNSSEC96ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026082701
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)hostmaster@one.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s
📋 RegistrationWHOIS fetched 2026-07-20 07:05:48
FieldValue
RegistrarONE.COM A/S
Registered2025-09-20
Expires2026-09-19 (17d)
📋 WHOIS
⏱️ Lookup Timing
NS
31ms
A
25ms
MX
30ms
AAAA
21ms
TXT
115ms
CAA
21ms
HTTPS
23ms
TLSA
24ms
SOA
0ms
MTA-STS
34ms
DNSSEC
96ms
SRV
38ms
Total
374ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 20:33:12 374ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-27 23:25:22 710ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-20 07:05:04 636ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-17 23:41:53 4507ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-26 20:58:52 459ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-17 11:52:18 545ms 2 NS 1 A 0 MX 🔒 Secure View
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