`cognitant.com`

DNSSEC	⚠️ Not signed
A	18.135.233.214^{🇬🇧 Amazon18.132.0.0/14 EC2 LHR prefix}
		PTR	`ec2-18-135-233-214.eu-west-2.compute.amazonaws.com`
A	18.168.158.2^{🇬🇧 Amazon18.168.0.0/14 EC2 LHR prefix}
A	18.171.90.53^{🇬🇧 Amazon18.168.0.0/14 EC2 LHR prefix}
NS	`ns-1883.awsdns-43.co.uk` ⭐
		A	2600:9000:5307:5b00::1^{🇺🇸 Amazon2600:9000:5307::/48 - CloudFront}
			PTR	`ns-1883.awsdns-43.co.uk`
		A	205.251.199.91^{🇺🇸 Amazon205.251.199.0/24 prefix}
			PTR	`ns-1883.awsdns-43.co.uk`
NS	`ns-1242.awsdns-27.org`
		A	2600:9000:5304:da00::1^{🇺🇸 Amazon2600:9000:5304::/48 - CloudFront}
			PTR	`ns-1242.awsdns-27.org`
		A	205.251.196.218^{🇺🇸 Amazon205.251.196.0/24 prefix}
			PTR	`ns-1242.awsdns-27.org`
NS	`ns-488.awsdns-61.com`
		A	2600:9000:5301:e800::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-488.awsdns-61.com`
		A	205.251.193.232^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-488.awsdns-61.com`
NS	`ns-706.awsdns-24.net`
		A	2600:9000:5302:c200::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-706.awsdns-24.net`
		A	205.251.194.194^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-706.awsdns-24.net`
MX	`cognitant-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca0b::^{🇬🇧 Microsoft2a01:111:f000::/36}
			PTR	`mail-lo2p265cu02300.inbound.protection.outlook.com`
		A	2a01:111:f403:ca0b::1^{🇬🇧 Microsoft2a01:111:f000::/36}
			PTR	`mail-lo3p265cu00301.inbound.protection.outlook.com`
		A	2a01:111:f403:ca1a::^{🇬🇧 Microsoft2a01:111:f000::/36}
			PTR	`mail-cwxp265cu00500.inbound.protection.outlook.com`
		A	2a01:111:f403:ca1a::1^{🇬🇧 Microsoft2a01:111:f000::/36}
			PTR	`mail-cwxp265cu00601.inbound.protection.outlook.com`
		A	52.101.89.1^{🇬🇧 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-lo0p265cu00201.inbound.protection.outlook.com`
		A	52.101.89.2^{🇬🇧 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-lo3p265cu00302.inbound.protection.outlook.com`
		A	52.101.99.0^{🇬🇧 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-cwxp265cu00600.inbound.protection.outlook.com`
		A	52.101.99.2^{🇬🇧 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-cwxp265cu00502.inbound.protection.outlook.com`
TXT	`MS=ms19370992`
TXT	`apple-domain-verification=PWeZwhuRibohLKSy`
TXT	`asv=c7881cb65199d556865ae2191f139911`
TXT	`facebook-domain-verification=91hueu7wvohzvig3oh677bwbe1pn87`
TXT	`google-site-verification=pP-kavoSVFsHLljCkOrm7ik17_k7WYVUtK-tjV4HYw8`
TXT	`v=spf1 include:amazonses.com include:spf.protection.outlook.com include:zoho....`
SOA	`ns-1883.awsdns-43.co.uk`awsdns-hostmaster@amazon.com 2021-09-29 #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=1771291435

Subdomains

www.cognitant.com

Same first word

cognitant.com

Similar names

gannicott.com

ntcoating.com

ntcoating.com.ph

taitongcn.cn

cntaitong.com

ctantoing.com

nttongcai.com

DNS History

14 records (8 active, 6 former)

●NSns-1242.awsdns-27.org2026-02-17 → 2026-02-28 · 3 obs

○ 2018-01-05 12:29:28
● 2026-02-17 02:20:02
● 2026-02-28 18:02:24

●NSns-1883.awsdns-43.co.uk2026-02-17 → 2026-02-28 · 3 obs

○ 2018-01-05 12:29:28
● 2026-02-17 02:20:02
● 2026-02-28 18:02:24

●NSns-488.awsdns-61.com2026-02-17 → 2026-02-28 · 3 obs

○ 2018-01-05 12:29:28
● 2026-02-17 02:20:02
● 2026-02-28 18:02:24

●NSns-706.awsdns-24.net2026-02-17 → 2026-02-28 · 3 obs

○ 2018-01-05 12:29:28
● 2026-02-17 02:20:02
● 2026-02-28 18:02:24

○NSns57.domaincontrol.com2015-06-26 → 2018-01-05 · 4 obs

● 2015-06-26 22:34:10
● 2018-01-05 12:29:28
○ 2026-02-17 02:20:02
○ 2026-02-28 18:02:24

○NSns58.domaincontrol.com2015-06-26 → 2018-01-05 · 4 obs

● 2015-06-26 22:34:10
● 2018-01-05 12:29:28
○ 2026-02-17 02:20:02
○ 2026-02-28 18:02:24

●MXcognitant-com.mail.protection.outlook.com2026-02-17 → 2026-02-28 · 3 obs

○ 2018-01-05 12:29:28
● 2026-02-17 02:20:02
● 2026-02-28 18:02:24

○MXmailstore1.secureserver.net2015-06-26 → 2018-01-05 · 4 obs

● 2015-06-26 22:34:10
● 2018-01-05 12:29:28
○ 2026-02-17 02:20:02
○ 2026-02-28 18:02:24

○MXsmtp.secureserver.net2015-06-26 → 2018-01-05 · 4 obs

● 2015-06-26 22:34:10
● 2018-01-05 12:29:28
○ 2026-02-17 02:20:02
○ 2026-02-28 18:02:24

○A16.60.14.852026-02-17 → 2026-02-17 · 4 obs

○ 2018-01-05 12:29:28
● 2026-02-17 02:20:02
○ 2026-02-17 19:27:56
○ 2026-02-28 18:02:24

●A18.135.233.2142026-02-17 → 2026-02-28 · 3 obs

○ 2026-02-17 02:20:02
● 2026-02-17 19:27:56
● 2026-02-28 18:02:24

●A18.168.158.22026-02-17 → 2026-02-28 · 3 obs

○ 2018-01-05 12:29:28
● 2026-02-17 02:20:02
● 2026-02-28 18:02:24

●A18.171.90.532026-02-17 → 2026-02-28 · 3 obs

○ 2018-01-05 12:29:28
● 2026-02-17 02:20:02
● 2026-02-28 18:02:24

○A184.168.221.702015-06-26 → 2018-01-05 · 4 obs

● 2015-06-26 22:34:10
● 2018-01-05 12:29:28
○ 2026-02-17 02:20:02
○ 2026-02-28 18:02:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	j.gtld-servers.net, k.gtld-servers.net, a.gtld-servers.net, b.gtld-servers.net...	-
cognitant.com	ns-706.awsdns-24.net, ns-488.awsdns-61.com, ns-1242.awsdns-27.org, ns-1883.awsdns-43.co.uk	1 record

✅ Authoritative Response

Server: 205.251.194.194

NS records: ns-706.awsdns-24.net, ns-488.awsdns-61.com, ns-1242.awsdns-27.org, ns-1883.awsdns-43.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cognitant.com (unsigned zone)

⏱️ Timing

Total: 619ms | Queries: -

📄 Records

Type	Count	Sample Data
A	3	`18.135.233.214, 18.171.90.53...`
NS	4	`ns-1242.awsdns-27.org, ns-1883.awsdns-43.co.uk...`
MX	1	`cognitant-com.mail.protection.outlook.co`
TXT	6	`MS=ms19370992, apple-domain-verification=PWeZwhuRibohLK...`
SOA	1	`ns-1883.awsdns-43.co.uk awsdns-hostmaste`

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (ns-488.awsdns-61.com)

Analysis

Hierarchy

www.cognitant.com is a child of cognitant.com.

IP Addresses

cognitant.com resolves to three IP numbers: 18.135.233.214, 18.168.158.2 and 18.171.90.53.

Other host names, for example ec2-18-168-158-2.eu-west-2.compute.amazonaws.com, share IP numbers with cognitant.com.

Name Servers

cognitant.com delegates to four name servers: ns-488.awsdns-61.com, ns-706.awsdns-24.net, ns-1242.awsdns-27.org and ns-1883.awsdns-43.co.uk.

cognitant.com at least partially shares name servers with other domains, including holistichealthpc.com, c15.kafka.us-east-1.amazonaws.com, ibexcorp.com, floridaprs.com and bepado.ch.

These name servers are commonly used with ns-219.awsdns-27.com, ns-1312.awsdns-36.org, ns-1682.awsdns-18.co.uk, ns-782.awsdns-33.net, ns-1134.awsdns-13.org and ns-1851.awsdns-39.co.uk.

Host names with two IP numbers: ns-488.awsdns-61.com points to 2600:9000:5301:e800::1 and 205.251.193.232; ns-706.awsdns-24.net points to 2600:9000:5302:c200::1 and 205.251.194.194; ns-1242.awsdns-27.org points to 2600:9000:5304:da00::1 and 205.251.196.218; ns-1883.awsdns-43.co.uk points to 2600:9000:5307:5b00::1 and 205.251.199.91.

Mail Servers

A single mail server handles cognitant.com, cognitant-com.mail.protection.outlook.com.

Host cognitant-com.mail.protection.outlook.com points to eight IPs: 2a01:111:f403:ca0b::, 2a01:111:f403:ca0b::1, 2a01:111:f403:ca1a::, 2a01:111:f403:ca1a::1, 52.101.89.1, 52.101.89.2, 52.101.99.0 and 52.101.99.2.

cognitant.com - robtex.com

cognitant.com

com

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`cognitant.com`

`com`