c-tek.dk
Last scanned: 2026-08-27 00:44:10  ·  3967ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   66ms
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   48ms
IPTTLPTRASNISP / OrgCIDRCountryCity
91.226.145.118 1200s — AS216275 Netnoerden ApS 91.226.144.0/23 🇩🇰 Denmark Copenhagen
📧 MX Records5 records   96ms
PriorityTTLMail ServerIP addressesPTRASN
1 3600s aspmx.l.google.com 2a00:1450:4010:c09::1b
2a00:1450:4010:c09::1b
64.233.165.27		 lk-in-f27.1e100.net
lk-in-x1b.1e100.net
lg-in-f27.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
AS15169 Google LLC
5 3600s alt1.aspmx.l.google.com 192.178.158.27
2404:6800:4013:813::1b		 lcdels-in-f27.1e100.net
lcdels-in-f27.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
5 3600s alt2.aspmx.l.google.com 173.194.41.26
173.194.41.26
2404:6800:4001:c01::1b		 yukulwh-in-f26.1e100.net
mad01s14-in-f26.1e100.net
yukulwh-in-f27.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
AS15169 Google LLC
10 3600s alt3.aspmx.l.google.com 172.253.158.27
2404:6800:4003:c26::1b		 so-in-f27.1e100.net
so-in-f27.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
10 3600s alt4.aspmx.l.google.com 108.177.125.26
2404:6800:4008:c01::1b		 tp-in-f26.1e100.net
tp-in-f27.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover91.226.145.118
🔶 Autoconfig91.226.145.118
🔷 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)
🔐 DNSSEC154ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026080801
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
66ms
A
48ms
MX
96ms
AAAA
47ms
TXT
230ms
CAA
29ms
HTTPS
44ms
TLSA
3186ms
SOA
0ms
MTA-STS
95ms
DNSSEC
154ms
SRV
92ms
Total
3967ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 00:44:10 3967ms 2 NS 1 A 5 MX 🔒 Secure View
2026-08-10 04:26:27 1228ms 2 NS 1 A 5 MX 🔒 Secure View
2026-07-11 23:21:14 1293ms 2 NS 1 A 5 MX 🔒 Secure View
2026-07-02 00:50:29 1563ms 2 NS 1 A 5 MX 🔒 Secure View
2026-06-16 18:48:42 453ms 2 NS 1 A 5 MX 🔒 Secure View
2026-06-16 18:40:09 737ms 2 NS 1 A 5 MX 🔒 Secure View
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