zook.dk
📜 Historical scan 2026-08-08 04:31:45  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   70ms
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 Records
🌍
No A records found
📧 MX Records5 records   72ms
PriorityTTLMail ServerIP addressesPTRASN
10 43200s aspmx.l.google.com 2a00:1450:4010:c07::1b
2a00:1450:4010:c07::1b
64.233.164.27		 lf-in-f27.1e100.net
lf-in-x1b.1e100.net
lf-in-f27.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
AS15169 Google LLC
20 43200s alt1.aspmx.l.google.com 192.178.158.26
2404:6800:4013:813::1b		 lcdels-in-f26.1e100.net
lcdels-in-f27.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
20 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
30 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
30 43200s aspmx3.googlemail.com 173.194.41.26
173.194.41.26
2404:6800:4001:c01::1b		 mad01s14-in-f26.1e100.net
yukulwh-in-f26.1e100.net
yukulwh-in-f27.1e100.net		 AS15169 Google LLC
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   211ms
TXT Record
google-site-verification=Ol26vMYFeJXTF8or5DL8WL2hU83cyQeFvLdKxpWaL-c
✉️ 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)
🔐 DNSSEC107ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsresolution failed: ncache nxrrset
🏷️ SOA58ms
FieldValue
Serial2026071801
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
70ms
A
63ms
MX
72ms
AAAA
77ms
TXT
211ms
CAA
65ms
HTTPS
62ms
TLSA
763ms
SOA
58ms
MTA-STS
97ms
DNSSEC
107ms
SRV
95ms
Total
6034ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-13 21:25:24 4667ms 2 NS 0 A 5 MX 🔒 Secure View
2026-08-08 04:31:45 6034ms 2 NS 0 A 5 MX 🔒 Secure View
2026-07-19 03:54:07 2283ms 2 NS 0 A 5 MX 🔒 Secure View
2026-07-13 14:29:56 1075ms 2 NS 0 A 5 MX 🔒 Secure View
2026-06-18 02:38:39 724ms 2 NS 0 A 5 MX 🔒 Secure View
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