`workco.com`

DNSSEC	⚠️ Not signed
A	3.21.147.63^{🇺🇸 Amazon3.20.0.0/14 EC2 CMH prefix}
		PTR	`ec2-3-21-147-63.us-east-2.compute.amazonaws.com`
A	3.131.18.104^{🇺🇸 Amazon3.131.0.0/16 EC2 CMH prefix}
NS	`ns-1168.awsdns-18.org` ⭐
		A	2600:9000:5304:9000::1^{🇺🇸 Amazon2600:9000:5304::/48 - CloudFront}
			PTR	`ns-1168.awsdns-18.org`
		A	205.251.196.144^{🇺🇸 Amazon205.251.196.0/24 prefix}
			PTR	`ns-1168.awsdns-18.org`
NS	`ns-2013.awsdns-59.co.uk`
		A	2600:9000:5307:dd00::1^{🇺🇸 Amazon2600:9000:5307::/48 - CloudFront}
			PTR	`ns-2013.awsdns-59.co.uk`
		A	205.251.199.221^{🇺🇸 Amazon205.251.199.0/24 prefix}
			PTR	`ns-2013.awsdns-59.co.uk`
NS	`ns-441.awsdns-55.com`
		A	2600:9000:5301:b900::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-441.awsdns-55.com`
		A	205.251.193.185^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-441.awsdns-55.com`
NS	`ns-957.awsdns-55.net`
		A	2600:9000:5303:bd00::1^{🇺🇸 Amazon2600:9000:5303::/48 - CloudFront}
			PTR	`ns-957.awsdns-55.net`
		A	205.251.195.189^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-957.awsdns-55.net`
MX	`workco-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:c922::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-bl0pr03cu00200.inbound.protection.outlook.com`
		A	2a01:111:f403:c946::4^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-ch0pr04cu00504.inbound.protection.outlook.com`
		A	2a01:111:f403:c946::6^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-ch5pr02cu00406.inbound.protection.outlook.com`
		A	2a01:111:f403:f802::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sj2pr05cu00101.inbound.protection.outlook.com`
		A	40.93.192.1^{🇺🇸 Microsoft40.80.0.0/12}
			PTR	`mail-dm5pr02cu00201.inbound.protection.outlook.com`
		A	52.101.40.0^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-cy5pr03cu00300.inbound.protection.outlook.com`
		A	52.101.41.26^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sj0pr03cu01702.inbound.protection.outlook.com`
		A	52.101.50.4^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-co1pr03cu00404.inbound.protection.outlook.com`
TXT	`v=spf1 include:_spf.nexudus.com include:spf.protection.outlook.com -all`
SOA	`ns-1168.awsdns-18.org`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=1775981287

Same first word

workco.com

workco.org

workco.co

workco.net

workco.ru

workco.com.br

Similar names

cowork.party

cowork.ca

rwcook.net

cowork.ph

cowork.jp

cwrook.com

cowork.net

cowork.io

cowork.expert

cowork.ru

cowork.lk

ocwork.com

cowork.guide

cowork.one

cowork.email

rwcook.com

cowork.cz

cowork.de

cowork.fr

cowork.no

cowork.media

cowork.id

cowork.technology

worock.com

cowork.me

cowork.spot

cowork.today

cowork.asia

cowork.com.ph

cowork.tv

okcrow.com

cowork.rs

cowork.space

cowork.garden

cowork.cl

cowork.house

cowork.camp

kowroc.pl

owrock.com

DNS History

16 records (7 active, 9 former)

●NSns-1168.awsdns-18.org2026-03-30 → 2026-04-12 · 3 obs

○ 2019-01-21 10:22:08
● 2026-03-30 19:51:14
● 2026-04-12 08:17:10

●NSns-2013.awsdns-59.co.uk2026-03-30 → 2026-04-12 · 3 obs

○ 2019-01-21 10:22:08
● 2026-03-30 19:51:14
● 2026-04-12 08:17:10

●NSns-441.awsdns-55.com2026-03-30 → 2026-04-12 · 3 obs

○ 2019-01-21 10:22:08
● 2026-03-30 19:51:14
● 2026-04-12 08:17:10

●NSns-957.awsdns-55.net2026-03-30 → 2026-04-12 · 3 obs

○ 2019-01-21 10:22:08
● 2026-03-30 19:51:14
● 2026-04-12 08:17:10

○NSns11.domaincontrol.com2019-01-21 → 2019-01-21 · 4 obs

○ 2017-02-10 00:26:30
● 2019-01-21 10:22:08
○ 2026-03-30 19:51:14
○ 2026-04-12 08:17:10

○NSns12.domaincontrol.com2019-01-21 → 2019-01-21 · 4 obs

○ 2017-02-10 00:26:30
● 2019-01-21 10:22:08
○ 2026-03-30 19:51:14
○ 2026-04-12 08:17:10

○NSns33.domaincontrol.com2015-07-05 → 2017-02-10 · 4 obs

● 2015-07-05 13:04:22
● 2017-02-10 00:26:30
○ 2019-01-21 10:22:08
○ 2026-04-12 08:17:10

○NSns34.domaincontrol.com2015-07-05 → 2017-02-10 · 4 obs

● 2015-07-05 13:04:22
● 2017-02-10 00:26:30
○ 2019-01-21 10:22:08
○ 2026-04-12 08:17:10

○MXmailstore1.secureserver.net2015-07-05 → 2017-02-10 · 4 obs

● 2015-07-05 13:04:22
● 2017-02-10 00:26:30
○ 2019-01-21 10:22:08
○ 2026-04-12 08:17:10

○MXsmtp.secureserver.net2015-07-05 → 2017-02-10 · 4 obs

● 2015-07-05 13:04:22
● 2017-02-10 00:26:30
○ 2019-01-21 10:22:08
○ 2026-04-12 08:17:10

●MXworkco-com.mail.protection.outlook.com2026-03-30 → 2026-04-12 · 3 obs

○ 2019-01-21 10:22:08
● 2026-03-30 19:51:14
● 2026-04-12 08:17:10

○A16.59.75.1142026-03-30 → 2026-03-30 · 3 obs

○ 2019-01-21 10:22:08
● 2026-03-30 19:51:14
○ 2026-04-12 08:17:10

○A184.168.131.2412019-01-21 → 2019-01-21 · 3 obs

● 2019-01-21 10:22:08
○ 2026-03-30 19:51:14
○ 2026-04-12 08:17:10

●A3.131.18.1042026-04-12 → 2026-04-12 · 2 obs

○ 2026-03-30 19:51:14
● 2026-04-12 08:17:10

○A3.148.22.1442026-03-30 → 2026-03-30 · 3 obs

○ 2019-01-21 10:22:08
● 2026-03-30 19:51:14
○ 2026-04-12 08:17:10

●A3.21.147.632026-04-12 → 2026-04-12 · 2 obs

○ 2026-03-30 19:51:14
● 2026-04-12 08:17:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
workco.com	ns-441.awsdns-55.com, ns-957.awsdns-55.net, ns-1168.awsdns-18.org, ns-2013.awsdns-59.co.uk	1 record

✅ Authoritative Response

Server:205.251.193.185

NS records: ns-441.awsdns-55.com, ns-957.awsdns-55.net, ns-1168.awsdns-18.org, ns-2013.awsdns-59.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for workco.com (unsigned zone)

⏱️ Timing

Total: 686ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`3.21.147.63, 3.131.18.104`
NS	4	`ns-1168.awsdns-18.org, ns-2013.awsdns-59.co.uk...`
MX	1	`workco-com.mail.protection.outlook.com (`
TXT	1	`v=spf1 include:_spf.nexudus.com include`
SOA	1	`ns-1168.awsdns-18.org awsdns-hostmaster.`

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (ns-441.awsdns-55.com)

Analysis

IP Addresses

workco.com resolves to two IP numbers: 3.21.147.63 and 3.131.18.104.

Other host names, such as ec2-3-21-147-63.us-east-2.compute.amazonaws.com, share IP numbers with workco.com.

Name Servers

workco.com's delegation is handled by four name servers: ns-441.awsdns-55.com, ns-957.awsdns-55.net, ns-1168.awsdns-18.org and ns-2013.awsdns-59.co.uk.

workco.com partially shares name servers with other domains; examples include choralsheetmusic.com, venpos.net, dbucn6j584sji.cloudfront.net, climateschools.com.au and oktaedu082.com.

Host names with two IPs:

ns-441.awsdns-55.com points to 2600:9000:5301:b900::1 and 205.251.193.185

ns-957.awsdns-55.net points to 2600:9000:5303:bd00::1 and 205.251.195.189

ns-1168.awsdns-18.org points to 2600:9000:5304:9000::1 and 205.251.196.144

ns-2013.awsdns-59.co.uk points to 2600:9000:5307:dd00::1 and 205.251.199.221

Mail Servers

workco.com is handled by a single mail server, workco-com.mail.protection.outlook.com.

Hostname workco-com.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:c922::, 2a01:111:f403:c946::4, 2a01:111:f403:c946::6, 2a01:111:f403:f802::1, 40.93.192.1, 52.101.40.0, 52.101.41.26 and 52.101.50.4.

workco.com - robtex.com

workco.com

com

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

Mail Servers

`workco.com`

`com`