`ybmuniv.com`

DNSSEC	⚠️ Not signed
A	203.231.233.187^{🇰🇷 INETHOSTING-AS-KR203.231.233.0/24}
NS	`sisadns131` ⭐
NS	`ns.ybmsisa.co.kr` ⚠️ Not in zone NS records
		A	203.231.233.131^{🇰🇷 INETHOSTING-AS-KR203.231.233.0/24}
NS	`ns.ybmsisa.com` ⚠️ Not in parent delegation
		A	203.231.233.131^{🇰🇷 INETHOSTING-AS-KR203.231.233.0/24}
NS	`ns2.ybmsisa.co.kr` ⚠️ 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`
NS	`ns2.ybmsisa.com` ⚠️ Not in parent delegation
		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`admin serial=56

`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=1785297537

📈 Tranco rank: #843,397

Subdomains

www.ybmuniv.com

Same first word

ybmuniv.com

DNS History

8 records (6 active, 2 former)

○NSns.higlobe.net2008-03-20 → 2008-03-20 · 3 obs

● 2008-03-20 10:23:44
○ 2015-06-11 22:04:08
○ 2026-07-29 04:27:34

●NSns.ybmsisa.co.kr2026-07-09 → 2026-07-29 · 3 obs

○ 2015-06-11 22:04:08
● 2026-07-09 20:16:54
● 2026-07-29 04:27:34

●NSns.ybmsisa.com2008-03-20 → 2026-07-29 · 2 obs

● 2008-03-20 10:23:44
● 2026-07-29 04:27:34

●NSns2.ybmsisa.co.kr2026-07-09 → 2026-07-29 · 3 obs

○ 2015-06-11 22:04:08
● 2026-07-09 20:16:54
● 2026-07-29 04:27:34

●NSns2.ybmsisa.com2015-06-11 → 2026-07-29 · 3 obs

○ 2008-03-20 10:23:44
● 2015-06-11 22:04:08
● 2026-07-29 04:27:34

●NSsisadns1312015-06-11 → 2026-07-29 · 3 obs

○ 2008-03-20 10:23:44
● 2015-06-11 22:04:08
● 2026-07-29 04:27:34

○A203.231.233.1552008-03-20 → 2017-09-21 · 4 obs

● 2008-03-20 10:23:44
● 2017-09-21 00:42:16
○ 2026-07-09 20:16:54
○ 2026-07-29 04:27:34

●A203.231.233.1872026-07-09 → 2026-07-29 · 3 obs

○ 2017-09-21 00:42:16
● 2026-07-09 20:16:54
● 2026-07-29 04:27:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, j.gtld-servers.net, l.gtld-servers.net, i.gtld-servers.net...	-
ybmuniv.com	ns.ybmsisa.co.kr, ns2.ybmsisa.co.kr	-

✅ Authoritative Response

Server:3.37.56.90

NS records: ns.ybmsisa.co.kr, ns2.ybmsisa.co.kr

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ybmuniv.com (unsigned zone)

⏱️ Timing

Total: 4334ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`203.231.233.187`
NS	2	`ns2.ybmsisa.com, ns.ybmsisa.com`
SOA	1	`sisadns131 admin`

Analysis

Hierarchy

The domain www.ybmuniv.com falls under the parent ybmuniv.com.

IP Addresses

ybmuniv.com resolves to one IP address: 203.231.233.187.

Other host names, among them www.ybmuniv.com and eslscat.com, have IP numbers in common with ybmuniv.com.

Name Servers

ybmuniv.com has five name servers, which are sisadns131, ns2.ybmsisa.com, ns.ybmsisa.com and two others.

At least some of ybmuniv.com's name servers are shared with other domains, for example ybmlms.com, ybmengloo.com, ybmtsc.net and two more.

These name servers are often deployed together with the name servers ns.ybmsisa.co.kr, ns2.ybmsisa.co.kr, ns2.ybm.co.kr and ns.ybm.co.kr.

ns2.ybmsisa.com, ns.ybmsisa.com, ns2.ybmsisa.co.kr and ns.ybmsisa.co.kr each point to exactly one IP address. ns2.ybmsisa.com directs to 3.37.56.90, ns.ybmsisa.com directs to 203.231.233.131, ns2.ybmsisa.co.kr directs to 3.37.56.90 and ns.ybmsisa.co.kr directs to 203.231.233.131. Two pairs share an IP: ns2.ybmsisa.com and ns2.ybmsisa.co.kr share 3.37.56.90, and ns.ybmsisa.com and ns.ybmsisa.co.kr share 203.231.233.131.

ns2.ybmsisa.com along with ns2.ybmsisa.co.kr each resolve to 3.37.56.90 IP addresses.

ns.ybmsisa.com along with ns.ybmsisa.co.kr each resolve to 203.231.233.131 IP addresses.

ybmuniv.com - robtex.com

ybmuniv.com

com