kernel.dk
Last scanned: 2026-08-12 12:18:56  ·  1295ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   75ms
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   68ms
IPTTLPTRASNISP / OrgCIDRCountryCity
46.30.211.38 600s domain-parking.one.com AS51468 One.com A/S 46.30.208.0/21 🇩🇰 Denmark Copenhagen
📧 MX Records4 records   28ms
PriorityTTLMail ServerIP addressesPTRASN
1 43200s aspmx.l.google.com 2a00:1450:4010:c06::1b
2a00:1450:4010:c06::1b
64.233.162.26		 lj-in-f27.1e100.net
lj-in-x1b.1e100.net
li-in-f26.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
AS15169 Google LLC
5 43200s alt1.aspmx.l.google.com 192.178.158.27
2404:6800:4013:813::1a		 lcdels-in-f27.1e100.net
lcdels-in-f26.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
5 43200s alt2.aspmx.l.google.com 173.194.41.27
173.194.41.27
2404:6800:4001:c01::1b		 yukulwh-in-f27.1e100.net
mad01s14-in-f27.1e100.net
yukulwh-in-f27.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
AS15169 Google LLC
10 43200s aspmx2.googlemail.com 192.178.158.26
2404:6800:4013:813::1a		 lcdels-in-f26.1e100.net
lcdels-in-f26.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   167ms
TXT Record
v=spf1 include:_spf.google.com ~all
✉️ SPF
PolicyRecord (kernel.dk)
~all (soft fail) v=spf1 include:_spf.google.com ~all
📨 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)
🔐 DNSSEC125ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026081101
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
75ms
A
68ms
MX
28ms
AAAA
66ms
TXT
167ms
CAA
56ms
HTTPS
42ms
TLSA
150ms
SOA
0ms
MTA-STS
80ms
DNSSEC
125ms
SRV
73ms
Total
1295ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-12 12:18:56 1295ms 2 NS 1 A 4 MX 🔒 Secure View
2026-07-17 21:57:22 3786ms 2 NS 1 A 4 MX 🔒 Secure View
2026-07-14 16:53:45 1119ms 2 NS 1 A 4 MX 🔒 Secure View
2026-07-13 07:32:56 1318ms 2 NS 1 A 4 MX 🔒 Secure View
2026-06-28 08:56:31 1391ms 2 NS 1 A 4 MX 🔒 Secure View
2026-06-23 21:08:32 1008ms 2 NS 1 A 4 MX 🔒 Secure View
2026-06-22 06:18:44 1183ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-17 20:58:19 771ms 2 NS 1 A 4 MX 🔒 Secure View
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