`tbsi.com`

DNSSEC	⚠️ Not signed
NS	`ns.domainca.com` ⚠️ Not in zone NS records
		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`
NS	`ns2.domainca.com` ⚠️ Not in zone NS records
		A	20.200.205.248^{🇰🇷 Microsoft20.192.0.0/10}

`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=1784115537

Same first word

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DNS History

5 records (2 active, 3 former)

●NSns.domainca.com2008-03-20 → 2026-07-15 · 2 obs

● 2008-03-20 10:52:18
● 2026-07-15 12:00:20

●NSns2.domainca.com2008-03-20 → 2026-07-15 · 2 obs

● 2008-03-20 10:52:18
● 2026-07-15 12:00:20

○MXmail.domainca.com2008-03-20 → 2015-10-17 · 4 obs

● 2008-03-20 10:52:18
● 2015-10-17 09:26:28
○ 2026-07-11 15:23:32
○ 2026-07-15 12:00:20

○A121.254.178.2502015-08-21 → 2015-10-17 · 5 obs

○ 2008-03-20 10:52:18
● 2015-08-21 02:10:10
● 2015-10-17 09:26:28
○ 2026-07-11 15:23:32
○ 2026-07-15 12:00:20

○A211.106.65.1182008-03-20 → 2008-03-20 · 3 obs

● 2008-03-20 10:52:18
○ 2015-08-21 02:10:10
○ 2026-07-15 12:00:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
tbsi.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 tbsi.com (unsigned zone)

⏱️ Timing

Total: 468ms | Queries: -

📄 Records

Type	Count	Sample Data

📌 Glue Records Collected

Total: 2

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

Analysis

Name Servers

Two name servers handle the delegation for tbsi.com: ns2.domainca.com and ns.domainca.com.

tbsi.com uses the same name servers as several other domains — among them dambo.com, scjeju.co.kr, joinmedia.com and two more.

tbsi.com is at least partially co-delegated on name servers with other domains, such as haps.co.kr.

ns2.domainca.com → 20.200.205.248 and ns.domainca.com → 43.201.170.100: one IP number per host name.

tbsi.com - robtex.com

tbsi.com

com