cnthb.com - dns.ninja

`cnthb.com`

DNSSEC	⚠️ Not signed
NS	`ns1.top-plus.net` ⭐
		A	52.89.213.189^{🇺🇸 Amazon52.88.0.0/15 EC2 PDX Prefix}
			PTR	`ec2-52-89-213-189.us-west-2.compute.amazonaws.com`
NS	`ns2.top-plus.net`
		A	54.191.232.232^{🇺🇸 Amazon54.191.0.0/16 EC2 PDX prefix}
			PTR	`mx01.ingtrend.com`
NS	`ns3.top-plus.net`
		A	35.164.120.10^{🇺🇸 Amazon35.160.0.0/13 EC2 PDX prefix}
			PTR	`ec2-35-164-120-10.us-west-2.compute.amazonaws.com`
MX	`mx1.cnthb.com` ⭐
MX	`mx2.cnthb.com`⁽²⁰⁾
SOA	`ns1.top-plus.net`hostmaster@top-plus.net serial=3080443817

`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=1783983177

Subdomains

mx2.cnthb.com

mx1.cnthb.com

Same first word

cnthb.com

Similar names

hbnct.com

nctbh.com

htcbn.com

hctnb.com

bnthc.com

bcthn.com

btchn.com

tchbn.com

hntbc.com

btcnh.com

ncthb.com

hntbc.edu.cn

tcnbh.com

nbhtc.com

cbhnt.com

hntcb.com

hncbt.cn

chnbt.com

bntch.com

nbthc.com

hnbct.com

bthnc.com

hnbtc.cn

DNS History

10 records (5 active, 5 former)

●NSns1.top-plus.net2015-07-16 → 2026-07-13 · 3 obs

○ 2008-03-15 11:59:42
● 2015-07-16 01:56:08
● 2026-07-13 22:54:44

●NSns2.top-plus.net2015-07-16 → 2026-07-13 · 3 obs

○ 2008-03-15 11:59:42
● 2015-07-16 01:56:08
● 2026-07-13 22:54:44

●NSns3.top-plus.net2015-07-16 → 2026-07-13 · 3 obs

○ 2008-03-15 11:59:42
● 2015-07-16 01:56:08
● 2026-07-13 22:54:44

●MXmx1.cnthb.com2008-03-15 → 2026-07-13 · 2 obs

● 2008-03-15 11:59:42
● 2026-07-13 22:54:44

●MXmx2.cnthb.com2026-02-16 → 2026-07-13 · 3 obs

○ 2008-03-15 11:59:42
● 2026-02-16 06:05:50
● 2026-07-13 22:54:44

○A168.61.70.162008-03-15 → 2008-03-15 · 3 obs

● 2008-03-15 11:59:42
○ 2015-07-16 01:56:08
○ 2026-07-13 22:54:44

○A206.165.76.1542015-07-16 → 2016-06-20 · 5 obs

○ 2008-03-15 11:59:42
● 2015-07-16 01:56:08
● 2016-06-20 00:11:46
○ 2017-02-16 09:41:18
○ 2026-07-13 22:54:44

○A206.165.76.1552015-07-16 → 2016-06-20 · 5 obs

○ 2008-03-15 11:59:42
● 2015-07-16 01:56:08
● 2016-06-20 00:11:46
○ 2017-02-16 09:41:18
○ 2026-07-13 22:54:44

○A206.165.76.1742015-07-16 → 2016-06-20 · 5 obs

○ 2008-03-15 11:59:42
● 2015-07-16 01:56:08
● 2016-06-20 00:11:46
○ 2017-02-16 09:41:18
○ 2026-07-13 22:54:44

○A206.165.76.1752015-07-16 → 2016-06-20 · 5 obs

○ 2008-03-15 11:59:42
● 2015-07-16 01:56:08
● 2016-06-20 00:11:46
○ 2017-02-16 09:41:18
○ 2026-07-13 22:54:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	k.gtld-servers.net, l.gtld-servers.net, m.gtld-servers.net, a.gtld-servers.net...	-
cnthb.com	ns1.top-plus.net, ns3.top-plus.net, ns2.top-plus.net	-

✅ Authoritative Response

Server:54.191.232.232

NS records: ns1.top-plus.net, ns3.top-plus.net, ns2.top-plus.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cnthb.com (unsigned zone)

⏱️ Timing

Total: 777ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	3	`ns2.top-plus.net, ns1.top-plus.net...`
MX	2	`mx2.cnthb.com (pri: 20), mx1.cnthb.com (pri: 10)`
SOA	1	`ns1.top-plus.net hostmaster.top-plus.net`

Analysis

Hierarchy

cnthb.com is the parent domain of mx2.cnthb.com and mx1.cnthb.com.

Name Servers

cnthb.com is delegated to three name servers: ns1.top-plus.net, ns2.top-plus.net and ns3.top-plus.net.

cnthb.com shares at least some of its name servers with other domains, including gz167.net, billteds.com, 4positivechange.com and two others.

ns1.top-plus.net, ns2.top-plus.net and ns3.top-plus.net each resolve to a single IP address: ns1.top-plus.net resolves to 52.89.213.189, ns2.top-plus.net resolves to 54.191.232.232 and ns3.top-plus.net resolves to 35.164.120.10.

Mail Servers

cnthb.com has two mail servers: mx1.cnthb.com and mx2.cnthb.com.