`knowcare.com`

DNSSEC	⚠️ Not signed
A	121.254.178.237^{🇰🇷 DACOM-NET121.254.128.0/17 contact noc@bora.net if necessary}
NS	`ns2.domainca.com` ⭐
		A	20.200.205.248^{🇰🇷 Microsoft20.192.0.0/10}
			PTR	`ip-20-200-205-248.defastlink.net`
NS	`ns.domainca.com`
		A	43.201.170.100^{🇰🇷 Amazon43.200.0.0/14 EC2 ICN Prefix}
			PTR	`ec2-43-201-170-100.ap-northeast-2.compute.amazonaws.com`
SOA	`ns.domainca.com`root@domainca.com 2020-05-12 #7

`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

Same first word

knowcare.com

Similar names

wcnkorea.org

workance.com

canework.com

careknow.com

wkrecona.pl

DNS History

4 records (3 active, 1 former)

●NSns.domainca.com2015-08-08 → 2026-03-22 · 2 obs

● 2015-08-08 22:13:42
● 2026-03-22 17:50:24

●NSns2.domainca.com2015-08-08 → 2026-03-22 · 2 obs

● 2015-08-08 22:13:42
● 2026-03-22 17:50:24

●A121.254.178.2372026-03-22 → 2026-03-22 · 3 obs

○ 2016-07-08 06:23:10
● 2026-03-22 17:50:22
● 2026-03-22 17:50:24

○A121.254.178.2502015-08-08 → 2016-07-08 · 4 obs

● 2015-08-08 22:13:42
● 2016-07-08 06:23:10
○ 2026-03-22 17:50:22
○ 2026-03-22 17:50:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
knowcare.com	ns.domainca.com, ns2.domainca.com	2 records

✅ Authoritative Response

Server: 43.201.170.100

NS records: ns.domainca.com, ns2.domainca.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for knowcare.com (unsigned zone)

⏱️ Timing

Total: 838ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`121.254.178.237`
NS	2	`ns.domainca.com, ns2.domainca.com`
SOA	1	`ns.domainca.com root.domainca.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns.domainca.com, ns2.domainca.com)

Analysis

IP Addresses

knowcare.com points to IP number 121.254.178.237.

For instance, other host names big4u.com, localhost.comstart.com, jin-sung.com, s-mac.co.kr and gramtoken.com share IP numbers with knowcare.com.

Name Servers

knowcare.com is delegated to two name servers: ns2.domainca.com and ns.domainca.com.

knowcare.com uses the same name server setup as other domains such as dimco.com, altishop.com, uzshop.com, r-system.com and cebex.com.

Host names with one IP number:

ns2.domainca.com points to: 20.200.205.248.

ns.domainca.com points to: 43.201.170.100.

knowcare.com - robtex.com

knowcare.com

com