cktestlab.com - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`cktestlab.com`

DNSSEC	⚠️ Not signed
NS	`ns1-05.azure-dns.com` ⭐
		A	2603:1061:0:700::5^{🇺🇸 Microsoft2603:1000::/25 MICROSOFT}
			PTR	`ns1-05.azure-dns.com`
		A	13.107.236.5^{🇺🇸 Microsoft13.104.0.0/14 MICROSOFT}
			PTR	`ns1-05.azure-dns.com`
NS	`ns2-05.azure-dns.net`
		A	2620:1ec:8ec:700::5^{🇺🇸 Microsoft2620:1ec::/36 MICROSOFT}
			PTR	`ns2-05.azure-dns.net`
		A	150.171.21.5^{🇺🇸 Microsoft150.171.0.0/16 MICROSOFT}
			PTR	`ns2-05.azure-dns.net`
NS	`ns3-05.azure-dns.org`
		A	2a01:111:4000:700::5^{🇬🇧 Microsoft2a01:111:4000::/36}
			PTR	`ns3-05.azure-dns.org`
		A	204.14.183.5^{🇺🇸 Microsoft204.14.180.0/22}
			PTR	`ns3-05.azure-dns.org`
NS	`ns4-05.azure-dns.info`
		A	2620:1ec:bda:700::5^{🇺🇸 Microsoft2620:1ec::/36 MICROSOFT}
			PTR	`ns4-05.azure-dns.info`
		A	208.84.5.5^{🇺🇸 Microsoft208.84.0.0/21 MICROSOFT}
			PTR	`ns4-05.azure-dns.info`
MX	`cktestlab-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:c902::14^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-byapr04cu00204.inbound.protection.outlook.com`
		A	2a01:111:f403:c927::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-bn8pr05cu00301.inbound.protection.outlook.com`
		A	2a01:111:f403:c92c::2^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-dm2pr04cu00102.inbound.protection.outlook.com`
		A	2a01:111:f403:f804::3^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-co1pr03cu00403.inbound.protection.outlook.com`
		A	40.93.192.1^{🇺🇸 Microsoft40.80.0.0/12}
			PTR	`mail-dm5pr02cu00201.inbound.protection.outlook.com`
		A	52.101.40.4^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-cy5pr03cu00204.inbound.protection.outlook.com`
		A	52.101.41.180^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-byapr04cu00204.inbound.protection.outlook.com`
		A	52.101.194.17^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-ch5pr02cu00401.inbound.protection.outlook.com`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
TXT	`"MS=ms53792553"`
SOA	`ns1-05.azure-dns.com`azuredns-hostmaster@microsoft.com serial=1

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1786900614

Same first word

cktestlab.com

Similar names

blacketts.co.nz

bstcaltek.com

testblack.com

blacktest.ir

blacketts.co.uk

blacktest.com

blacketts.net

blacketts.com

DNS History

8 records (5 active, 3 former)

●NSns1-05.azure-dns.com2026-03-30 → 2026-08-16 · 3 obs

○ 2017-04-01 12:58:20
● 2026-03-30 04:45:50
● 2026-08-16 17:19:32

●NSns2-05.azure-dns.net2026-03-30 → 2026-08-16 · 3 obs

○ 2017-04-01 12:58:20
● 2026-03-30 04:45:50
● 2026-08-16 17:19:32

●NSns3-05.azure-dns.org2026-03-30 → 2026-08-16 · 3 obs

○ 2017-04-01 12:58:20
● 2026-03-30 04:45:50
● 2026-08-16 17:19:32

○NSns37.worldnic.com2015-08-21 → 2016-08-13 · 4 obs

● 2015-08-21 06:08:56
● 2016-08-13 10:29:44
○ 2017-04-01 12:58:20
○ 2026-08-16 17:19:32

○NSns38.worldnic.com2015-08-21 → 2016-08-13 · 4 obs

● 2015-08-21 06:08:56
● 2016-08-13 10:29:44
○ 2017-04-01 12:58:20
○ 2026-08-16 17:19:32

●NSns4-05.azure-dns.info2026-03-30 → 2026-08-16 · 3 obs

○ 2017-04-01 12:58:20
● 2026-03-30 04:45:50
● 2026-08-16 17:19:32

●MXcktestlab-com.mail.protection.outlook.com2015-08-21 → 2026-08-16 · 5 obs

● 2015-08-21 06:08:56
● 2016-08-13 10:29:44
○ 2017-04-01 12:58:20
● 2026-03-30 04:45:50
● 2026-08-16 17:19:32

○MXwebmail.cktestlab.com2015-08-21 → 2016-08-13 · 4 obs

● 2015-08-21 06:08:56
● 2016-08-13 10:29:44
○ 2017-04-01 12:58:20
○ 2026-08-16 17:19:32

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	e.gtld-servers.net, g.gtld-servers.net, m.gtld-servers.net, f.gtld-servers.net...	-
cktestlab.com	ns1-05.azure-dns.com, ns2-05.azure-dns.net, ns3-05.azure-dns.org, ns4-05.azure-dns.info	2 records

✅ Authoritative Response

Server:208.84.5.5

NS records: ns1-05.azure-dns.com, ns2-05.azure-dns.net, ns3-05.azure-dns.org, ns4-05.azure-dns.info

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cktestlab.com (unsigned zone)

⏱️ Timing

Total: 281ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	4	`ns1-05.azure-dns.com, ns2-05.azure-dns.net...`
MX	1	`cktestlab-com.mail.protection.outlook.co`
TXT	2	`v=spf1 include:spf.protection.outlook.co, "MS=ms53792553"`
SOA	1	`ns1-05.azure-dns.com azuredns-hostmaster`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1-05.azure-dns.com, ns1-05.azure-dns.com)

Analysis

Name Servers

The NS records for cktestlab.com point to four name servers: ns1-05.azure-dns.com, ns4-05.azure-dns.info, ns2-05.azure-dns.net and ns3-05.azure-dns.org.

There is at least partial name server overlap between cktestlab.com and other domains — zenotibeta.com, cosmosdb.ms, outlookmessage.com and two more among them.

All four hostnames — ns1-05.azure-dns.com, ns4-05.azure-dns.info, ns2-05.azure-dns.net and ns3-05.azure-dns.org — resolve to two IP numbers apiece: ns1-05.azure-dns.com to 13.107.236.5 and 2603:1061:0:700::5; ns4-05.azure-dns.info to 208.84.5.5 and 2620:1ec:bda:700::5; ns2-05.azure-dns.net to 150.171.21.5 and 2620:1ec:8ec:700::5; ns3-05.azure-dns.org to 204.14.183.5 and 2a01:111:4000:700::5.

Mail Servers

The sole mail server for cktestlab.com is cktestlab-com.mail.protection.outlook.com.

With 8 IP addresses total, cktestlab-com.mail.protection.outlook.com resolves to 40.93.192.1, 52.101.40.4, 52.101.41.180 and 5 others.