`cb.com`

DNSSEC	⚠️ Not signed
A	3.173.21.156^{🇺🇸 Amazon3.173.21.0/24}
A	3.173.22.156^{🇺🇸 Amazon3.173.22.0/24}
A	3.173.23.156^{🇺🇸 Amazon3.173.23.0/24}
NS	`ns-298.awsdns-37.com` ⭐
		A	2600:9000:5301:2a00::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-298.awsdns-37.com`
		A	205.251.193.42^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-298.awsdns-37.com`
NS	`ns-1512.awsdns-61.org`
		A	2600:9000:5305:e800::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1512.awsdns-61.org`
		A	205.251.197.232^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1512.awsdns-61.org`
NS	`ns-1800.awsdns-33.co.uk`
		A	2600:9000:5307:800::1^{🇺🇸 Amazon2600:9000:5307::/48 - CloudFront}
			PTR	`ns-1800.awsdns-33.co.uk`
		A	205.251.199.8^{🇺🇸 Amazon205.251.199.0/24 prefix}
			PTR	`ns-1800.awsdns-33.co.uk`
NS	`ns-575.awsdns-07.net`
		A	2600:9000:5302:3f00::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-575.awsdns-07.net`
		A	205.251.194.63^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-575.awsdns-07.net`
MX	`primary.us.email.fireeyecloud.com` ⭐
		A	3.93.93.51^{🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix}
			PTR	`mx.us.email.fireeyecloud.com`
		A	3.93.93.52^{🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix}
			PTR	`mx.us.email.fireeyecloud.com`
		A	3.93.93.53^{🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix}
			PTR	`mx.us.email.fireeyecloud.com`
		A	34.223.36.121^{🇺🇸 Amazon34.208.0.0/12 EC2 PDX prefix}
			PTR	`mx.us.email.fireeyecloud.com`
		A	34.223.36.122^{🇺🇸 Amazon34.208.0.0/12 EC2 PDX prefix}
			PTR	`mx.us.email.fireeyecloud.com`
		A	34.223.36.123^{🇺🇸 Amazon34.208.0.0/12 EC2 PDX prefix}
			PTR	`mx.us.email.fireeyecloud.com`
MX	`alt1.us.email.fireeyecloud.com`⁽²⁰⁾
		A	3.93.93.51^{🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix}
			PTR	`mx.us.email.fireeyecloud.com`
		A	3.93.93.52^{🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix}
			PTR	`mx.us.email.fireeyecloud.com`
		A	3.93.93.53^{🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix}
			PTR	`mx.us.email.fireeyecloud.com`
		A	34.223.36.121^{🇺🇸 Amazon34.208.0.0/12 EC2 PDX prefix}
			PTR	`mx.us.email.fireeyecloud.com`
		A	34.223.36.122^{🇺🇸 Amazon34.208.0.0/12 EC2 PDX prefix}
			PTR	`mx.us.email.fireeyecloud.com`
		A	34.223.36.123^{🇺🇸 Amazon34.208.0.0/12 EC2 PDX prefix}
			PTR	`mx.us.email.fireeyecloud.com`
MX	`alt2.us.email.fireeyecloud.com`⁽³⁰⁾
		A	3.93.93.51^{🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix}
			PTR	`mx.us.email.fireeyecloud.com`
		A	3.93.93.52^{🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix}
			PTR	`mx.us.email.fireeyecloud.com`
		A	3.93.93.53^{🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix}
			PTR	`mx.us.email.fireeyecloud.com`
		A	34.223.36.121^{🇺🇸 Amazon34.208.0.0/12 EC2 PDX prefix}
			PTR	`mx.us.email.fireeyecloud.com`
		A	34.223.36.122^{🇺🇸 Amazon34.208.0.0/12 EC2 PDX prefix}
			PTR	`mx.us.email.fireeyecloud.com`
		A	34.223.36.123^{🇺🇸 Amazon34.208.0.0/12 EC2 PDX prefix}
			PTR	`mx.us.email.fireeyecloud.com`
MX	`alt3.us.email.fireeyecloud.com`⁽⁴⁰⁾
		A	3.93.93.51^{🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix}
			PTR	`mx.us.email.fireeyecloud.com`
		A	3.93.93.52^{🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix}
			PTR	`mx.us.email.fireeyecloud.com`
		A	3.93.93.53^{🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix}
			PTR	`mx.us.email.fireeyecloud.com`
		A	34.223.36.121^{🇺🇸 Amazon34.208.0.0/12 EC2 PDX prefix}
			PTR	`mx.us.email.fireeyecloud.com`
		A	34.223.36.122^{🇺🇸 Amazon34.208.0.0/12 EC2 PDX prefix}
			PTR	`mx.us.email.fireeyecloud.com`
		A	34.223.36.123^{🇺🇸 Amazon34.208.0.0/12 EC2 PDX prefix}
			PTR	`mx.us.email.fireeyecloud.com`
TXT	`1rmi2nlqvvb694k2ls622rvtgs`
TXT	`5816qfv2af7uukhm4mt3dg2mr9`
TXT	`9ui0llvboum64aig04mpbqgkuo.`
TXT	`FC1C-6BA4-37FF-DE15-3500-A5D9-ABBC-3847`
TXT	`MS=ms62672603`
TXT	`apple-domain-verification=tVq9CarvFHNZWc7B`
TXT	`atlassian-domain-verification=pmt9x4sKBzACHF1cAn6LE0mTLvJRxwDFzI3zmd5uiwYhtAU...`
TXT	`auetbe4qsmt2ubmkumsb4nhmht`
TXT	`google-site-verification=0RgG7M4bCDllc4EsKW8prmySxVTdLrXyB0OJ-7fZ_MY`
TXT	`google-site-verification=Bj64AMpXvM_jcBxH2gLHyjVh8FS61aVw2hJJ9kqOvzY`
TXT	`iummm3mdp7gcq1icepl56po2ro`
TXT	`v=spf1 include:spf.protection.outlook.com include:_spf.google.com -all`
SOA	`ns-298.awsdns-37.com`awsdns-hostmaster@amazon.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=1778353081

Subdomains

www.cb.com

Same first word

cb.tur.br

cb.com.cn

cb.com.br

cb.lc

cb.im

cb.id

cb.cn

cb.com.pl

cb.vu

cb.ac.th

cb.sb

cb.com.es

cb.insure

cb.no

cb.md

cb.am

cb.agency

cb.tel

cb.dk

cb.akamaiedge.net

cb.gs

cb.chat

cb.cc

cb.be

cb.house

cb.email

cb.co

cb.org.br

cb.azureedge.net

cb.cl

cb.com.tr

cb.hu

cb.money

cb.biz

cb.cz

cb.today

cb.codes

cb.org.ua

cb.lt

cb.co.th

cb.ma

cb.lv

cb.nu

cb.markets

cb.bank

cb.es.gov.br

cb.idv.tw

cb.or.kr

cb.run

cb.wine

cb.lk

cb.co.nz

cb.com.au

cb.com.my

cb.is

cb.spb.ru

cb.com.tw

cb.cr

cb.homes

cb.cafe

cb.gov.sy

cb.se

cb.nl

cb.dev

cb.ce.gov.br

cb.gold

cb.com.hk

cb.gl

cb.co.id

cb.pl

cb.org

cb.org.mt

cb.net.cn

cb.(0x787878)

cb.legal

cb.com.pt

cb.ie

cb.country

cb.org.pt

cb.by

cb.qa

cb.click

cb.cm

cb.de

cb.photography

cb.kz

cb.io

cb.ag

cb.to

cb.ae

cb.szczecin.pl

cb.media

cb.tj

cb.com

cb.vg

cb.design

cb.sk

cb.akamai.net

cb.football

cb.company

cb.co.at

cb.su

cb.world

cb.pr

cb.gov.qa

cb.edu.mx

Similar names

bc.wine

bc.io

bc.photos

bc.com.ua

bc.nu

bc.vin

bc.training

bc.com.pt

bc.limited

bc.xyz

bc.business

bc.games

bc.app

bc.biz

bc.hu

bc.go.kr

bc.edu

bc.cc

bc.sc.gov.br

bc.gold

bc.kg

bc.online

bc.digital

bc.services

bc.com.co

bc.web.tr

bc.vg

bc.wiki

bc.properties

bc.ru

bc.media

bc.ac.kr

bc.fyi

bc.solar

bc.su

bc.com.sa

bc.co.za

bc.net

bc.rentals

bc.fi

bc.arq.br

bc.academy

bc.sa

bc.tel

bc.casino

bc.ax

bc.co.th

bc.uz

bc.technology

bc.works

bc.com.tw

bc.co.mz

bc.run

bc.energy

bc.lc

bc.solutions

bc.tax

bc.ai

bc.gov.br

DNS History

20 records (11 active, 9 former)

●NSns-1512.awsdns-61.org2018-07-08 → 2026-05-09 · 3 obs

○ 2017-06-14 04:54:38
● 2018-07-08 18:40:24
● 2026-05-09 19:25:50

●NSns-1800.awsdns-33.co.uk2018-07-08 → 2026-05-09 · 3 obs

○ 2017-06-14 04:54:38
● 2018-07-08 18:40:24
● 2026-05-09 19:25:50

●NSns-298.awsdns-37.com2018-07-08 → 2026-05-09 · 3 obs

○ 2017-06-14 04:54:38
● 2018-07-08 18:40:24
● 2026-05-09 19:25:50

●NSns-575.awsdns-07.net2018-07-08 → 2026-05-09 · 3 obs

○ 2017-06-14 04:54:38
● 2018-07-08 18:40:24
● 2026-05-09 19:25:50

○NSns1.p03.dynect.net2015-08-11 → 2017-06-14 · 4 obs

● 2015-08-11 17:50:48
● 2017-06-14 04:54:38
○ 2018-07-08 18:40:24
○ 2026-05-09 19:25:50

○NSns2.p03.dynect.net2015-08-11 → 2017-06-14 · 4 obs

● 2015-08-11 17:50:48
● 2017-06-14 04:54:38
○ 2018-07-08 18:40:24
○ 2026-05-09 19:25:50

○NSns3.p03.dynect.net2015-08-11 → 2017-06-14 · 4 obs

● 2015-08-11 17:50:48
● 2017-06-14 04:54:38
○ 2018-07-08 18:40:24
○ 2026-05-09 19:25:50

○NSns4.p03.dynect.net2015-08-11 → 2017-06-14 · 4 obs

● 2015-08-11 17:50:48
● 2017-06-14 04:54:38
○ 2018-07-08 18:40:24
○ 2026-05-09 19:25:50

●MXalt1.us.email.fireeyecloud.com2020-12-13 → 2026-05-09 · 3 obs

○ 2020-09-05 09:34:12
● 2020-12-13 16:40:06
● 2026-05-09 19:25:50

●MXalt2.us.email.fireeyecloud.com2020-12-13 → 2026-05-09 · 3 obs

○ 2020-09-05 09:34:12
● 2020-12-13 16:40:06
● 2026-05-09 19:25:50

●MXalt3.us.email.fireeyecloud.com2020-12-13 → 2026-05-09 · 3 obs

○ 2020-09-05 09:34:12
● 2020-12-13 16:40:06
● 2026-05-09 19:25:50

○MXcb-com.mail.protection.outlook.com2016-02-11 → 2020-09-05 · 5 obs

○ 2016-01-29 22:06:38
● 2016-02-11 16:54:42
● 2020-09-05 09:34:12
○ 2020-12-13 16:40:06
○ 2026-05-09 19:25:50

○MXemail.cb.com2015-08-11 → 2016-01-29 · 4 obs

● 2015-08-11 17:50:48
● 2016-01-29 22:06:38
○ 2016-02-11 16:54:42
○ 2026-05-09 19:25:50

●MXprimary.us.email.fireeyecloud.com2020-12-13 → 2026-05-09 · 3 obs

○ 2020-09-05 09:34:12
● 2020-12-13 16:40:06
● 2026-05-09 19:25:50

●A3.173.21.1562026-05-06 → 2026-05-09 · 3 obs

○ 2026-04-27 08:13:20
● 2026-05-06 09:19:28
● 2026-05-09 19:25:50

●A3.173.22.1562026-05-06 → 2026-05-09 · 3 obs

○ 2026-04-27 08:13:20
● 2026-05-06 09:19:28
● 2026-05-09 19:25:50

●A3.173.23.1562026-05-06 → 2026-05-09 · 3 obs

○ 2026-04-27 08:13:20
● 2026-05-06 09:19:28
● 2026-05-09 19:25:50

○A67.199.248.122016-06-16 → 2026-04-27 · 5 obs

○ 2016-06-07 07:25:54
● 2016-06-16 23:47:02
● 2026-04-27 08:13:20
○ 2026-05-06 09:19:28
○ 2026-05-09 19:25:50

○A67.199.248.132016-06-16 → 2026-04-27 · 5 obs

○ 2016-06-07 07:25:54
● 2016-06-16 23:47:02
● 2026-04-27 08:13:20
○ 2026-05-06 09:19:28
○ 2026-05-09 19:25:50

○A69.58.188.492015-08-11 → 2016-06-07 · 4 obs

● 2015-08-11 17:50:48
● 2016-06-07 07:25:54
○ 2016-06-16 23:47:02
○ 2026-05-09 19:25:50

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
cb.com	ns-575.awsdns-07.net, ns-298.awsdns-37.com, ns-1800.awsdns-33.co.uk, ns-1512.awsdns-61.org	2 records

✅ Authoritative Response

Server:205.251.194.63

NS records: ns-575.awsdns-07.net, ns-298.awsdns-37.com, ns-1800.awsdns-33.co.uk, ns-1512.awsdns-61.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cb.com (unsigned zone)

⏱️ Timing

Total: 748ms | Queries: -

📄 Records

Type	Count	Sample Data
A	3	`3.173.21.156, 3.173.23.156...`
NS	4	`ns-1512.awsdns-61.org, ns-1800.awsdns-33.co.uk...`
MX	4	`primary.us.email.fireeyecloud.com (pri: , alt1.us.email.fireeyecloud.com (pri: 20)...`
TXT	12	`1rmi2nlqvvb694k2ls622rvtgs, 5816qfv2af7uukhm4mt3dg2mr9...`
SOA	1	`ns-298.awsdns-37.com awsdns-hostmaster.a`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-298.awsdns-37.com, ns-298.awsdns-37.com)

Analysis

Hierarchy

cb.com is the parent of www.cb.com.

IP Addresses

cb.com points to three IPs: 3.173.21.156, 3.173.22.156 and 3.173.23.156.

other host names including jobtrak.com, careerbuilder1.com, jobsonthemenu.com, jobpilot.com and workinretail.com share IP numbers with cb.com.

Name Servers

cb.com is delegated to four name servers: ns-298.awsdns-37.com, ns-575.awsdns-07.net, ns-1512.awsdns-61.org and ns-1800.awsdns-33.co.uk.

cb.com at least partially shares name servers with other domains, for instance giuseppezanotti.awsapps.com, kizuna-uriwari.co.jp, e-arabia.com, dghkgm5797hav.cloudfront.net and logicworksconsulting.com.

Host names with two IP numbers:

ns-298.awsdns-37.com points to 2600:9000:5301:2a00::1 and 205.251.193.42; ns-575.awsdns-07.net points to 2600:9000:5302:3f00::1 and 205.251.194.63; ns-1512.awsdns-61.org points to 2600:9000:5305:e800::1 and 205.251.197.232; ns-1800.awsdns-33.co.uk points to 2600:9000:5307:800::1 and 205.251.199.8.

Mail Servers

Four mail servers handle cb.com: alt1.us.email.fireeyecloud.com, alt2.us.email.fireeyecloud.com, alt3.us.email.fireeyecloud.com and primary.us.email.fireeyecloud.com.

cb.com shares some mail servers with other domains, at least partially, for instance centrodemed.com.br, ac-jus.jus.br, mip.gov.me, sapro.com.tr and jobpilot.de.