istrukt.dk
Last scanned: 2026-07-31 21:04:49  ·  16965ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   61ms
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   62ms
IPTTLPTRASNISP / OrgCIDRCountryCity
216.239.32.21 43200s any-in-2015.1e100.net AS15169 Google LLC 216.239.32.0/20 🇺🇸 United States —
📧 MX Records5 records   60ms
PriorityTTLMail ServerIP addressesPTRASN
1 43200s aspmx.l.google.com 2a00:1450:4010:c0e::1b
2a00:1450:4010:c0e::1b
74.125.131.26		 lu-in-f27.1e100.net
lu-in-x1b.1e100.net
lu-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		 mad01s14-in-f27.1e100.net
yukulwh-in-f27.1e100.net
yukulwh-in-f27.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
AS15169 Google LLC
10 43200s alt3.aspmx.l.google.com 172.253.158.26
2404:6800:4003:c26::1a		 so-in-f26.1e100.net
so-in-f26.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
10 43200s alt4.aspmx.l.google.com 108.177.125.27
2404:6800:4008:c01::1a		 tp-in-f27.1e100.net
tp-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   172ms
TXT Record
google-site-verification=xeJQLMHwShMe8fd7xXaGKN0LZyMx40zCdr4k0yCJnhc
✉️ 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)
🔐 DNSSEC151ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA55ms
FieldValue
Serial2026032501
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
61ms
A
62ms
MX
60ms
AAAA
67ms
TXT
172ms
CAA
66ms
HTTPS
60ms
TLSA
126ms
SOA
55ms
MTA-STS
79ms
DNSSEC
151ms
SRV
129ms
Total
16965ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-07-31 21:04:49 16965ms 2 NS 1 A 5 MX 🔒 Secure View
2026-06-28 02:22:19 815ms 2 NS 1 A 5 MX 🔒 Secure View
2026-06-25 11:41:30 2495ms 2 NS 1 A 5 MX 🔒 Secure View
2026-06-25 09:41:19 2493ms 2 NS 1 A 5 MX 🔒 Secure View
2026-06-17 19:29:19 746ms 2 NS 1 A 5 MX 🔒 Secure View
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