`ybmgroup.com`

DNSSEC	⚠️ Not signed
A	203.231.233.195^{🇰🇷 INETHOSTING-AS-KR203.231.233.0/24}
NS	`sisadns131` ⭐ ⚠️ Not in parent delegation
NS	`ns.ybmsisa.com` ⚠️ Not in zone NS records
		A	203.231.233.131^{🇰🇷 INETHOSTING-AS-KR203.231.233.0/24}
NS	`ns2.ybmsisa.com` ⚠️ Not in zone NS records
		A	3.37.56.90^{🇰🇷 Amazon3.36.0.0/14 EC2 ICN prefix}
			PTR	`ec2-3-37-56-90.ap-northeast-2.compute.amazonaws.com`
SOA	`sisadns131`hostmaster serial=11

`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

ybmgroup.com

Similar names

opmrugby.com

mybugpro.com

ymbgroup.com

DNS History

5 records (4 active, 1 former)

●NSns.ybmsisa.com2026-03-10 → 2026-03-23 · 3 obs

○ 2015-08-11 20:56:34
● 2026-03-10 10:12:48
● 2026-03-23 18:54:02

●NSns2.ybmsisa.com2026-03-10 → 2026-03-23 · 3 obs

○ 2015-08-11 20:56:34
● 2026-03-10 10:12:48
● 2026-03-23 18:54:02

●NSsisadns1312015-08-11 → 2026-03-23 · 2 obs

● 2015-08-11 20:56:34
● 2026-03-23 18:54:02

○A203.231.233.1552015-08-11 → 2017-09-17 · 4 obs

● 2015-08-11 20:56:34
● 2017-09-17 04:23:26
○ 2026-03-10 10:12:48
○ 2026-03-23 18:54:02

●A203.231.233.1952026-03-10 → 2026-03-23 · 3 obs

○ 2017-09-17 04:23:26
● 2026-03-10 10:12:48
● 2026-03-23 18:54:02

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:3.37.56.90

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ybmgroup.com (unsigned zone)

⏱️ Timing

Total: 3485ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`203.231.233.195`
NS	1	`sisadns131`
SOA	1	`sisadns131 hostmaster`

📌 Glue Records Collected

Total: 2

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

Analysis

IP Addresses

ybmgroup.com points to a single IP: 203.231.233.195.

Other host names, for instance wbook.co.kr, jet.kr and wbook.com share IP numbers with ybmgroup.com.

Name Servers

ybmgroup.com is delegated to three name servers: sisadns131, ns2.ybmsisa.com and ns.ybmsisa.com.

ybmgroup.com partially shares name servers with other domains; examples include ybmbiz.co.kr, ybmkpe.co.kr, ybmsisayongosa.com, readingfarm.co.kr and ybmlms.com.

These name servers commonly accompany ns.ybmsisa.co.kr, ns2.ybmsisa.co.kr, ns2.ybm.co.kr and ns.ybm.co.kr.

Host names with one IP number: The host name ns2.ybmsisa.com points to 3.37.56.90 and the host name ns.ybmsisa.com points to 203.231.233.131.

ybmgroup.com - robtex.com

ybmgroup.com

com