`cntcinc.com`

DNSSEC	⚠️ Not signed
A	211.23.242.87^{🇹🇼 HiNet211.23.0.0/16 (HiNet) Chunghwa Telecom Co., Ltd.}
		PTR	`0800945.com`
		PTR	`1016shop.com`
NS	`koa.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2cf2^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`koa.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3f2^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`koa.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23f2^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`koa.ns.cloudflare.com`
		A	108.162.195.242^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`koa.ns.cloudflare.com`
		A	162.159.44.242^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`koa.ns.cloudflare.com`
		A	172.64.35.242^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`koa.ns.cloudflare.com`
NS	`rosemary.ns.cloudflare.com`
		A	2606:4700:50::a29f:264d^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rosemary.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c24d^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`rosemary.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:224d^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`rosemary.ns.cloudflare.com`
		A	108.162.194.77^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rosemary.ns.cloudflare.com`
		A	162.159.38.77^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rosemary.ns.cloudflare.com`
		A	172.64.34.77^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rosemary.ns.cloudflare.com`
MX	`cntcinc.com` ⭐
		A	211.23.242.87^{🇹🇼 HiNet211.23.0.0/16 (HiNet) Chunghwa Telecom Co., Ltd.}
			PTR	`0800945.com`
			PTR	`1016shop.com`
TXT	`v=spf1 +mx +a +ip4:211.23.242.87 ~all`
SOA	`koa.ns.cloudflare.com`dns@cloudflare.com serial=2401390355

`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=1775990462

WOT: SAFE (28/100)

MX for

cntcinc.com

Subdomains

ns3.cntcinc.com

Same first word

cntcinc.com

Similar names

ntccinc.com

cnccint.com

nctcinc.com

ncctinc.com

ncctinc.org

DNS History

18 records (4 active, 14 former)

●NSkoa.ns.cloudflare.com2026-03-26 → 2026-04-12 · 3 obs

○ 2018-01-26 02:45:18
● 2026-03-26 03:43:16
● 2026-04-12 10:57:52

○NSns3.shoppingnets.com2008-03-18 → 2008-03-18 · 3 obs

● 2008-03-18 11:28:38
○ 2015-10-08 22:13:24
○ 2026-04-12 10:57:52

○NSns4.shoppingnets.com2008-03-18 → 2008-03-18 · 3 obs

● 2008-03-18 11:28:38
○ 2015-10-08 22:13:24
○ 2026-04-12 10:57:52

●NSrosemary.ns.cloudflare.com2026-03-26 → 2026-04-12 · 3 obs

○ 2018-01-26 02:45:18
● 2026-03-26 03:43:16
● 2026-04-12 10:57:52

○NSrsdn1.octor.com2016-03-20 → 2018-01-26 · 5 obs

○ 2015-10-08 22:13:24
● 2016-03-20 11:44:22
● 2018-01-26 02:45:18
○ 2026-03-26 03:43:16
○ 2026-04-12 10:57:52

○NSrsdn2.octor.com2016-03-20 → 2018-01-26 · 5 obs

○ 2015-10-08 22:13:24
● 2016-03-20 11:44:22
● 2018-01-26 02:45:18
○ 2026-03-26 03:43:16
○ 2026-04-12 10:57:52

○MXalt1.aspmx.l.google.com2016-03-20 → 2018-01-26 · 5 obs

○ 2015-10-08 22:13:24
● 2016-03-20 11:44:22
● 2018-01-26 02:45:18
○ 2026-03-26 03:43:16
○ 2026-04-12 10:57:52

○MXalt2.aspmx.l.google.com2016-03-20 → 2018-01-26 · 5 obs

○ 2015-10-08 22:13:24
● 2016-03-20 11:44:22
● 2018-01-26 02:45:18
○ 2026-03-26 03:43:16
○ 2026-04-12 10:57:52

○MXaspmx.l.google.com2016-03-20 → 2018-01-26 · 5 obs

○ 2015-10-08 22:13:24
● 2016-03-20 11:44:22
● 2018-01-26 02:45:18
○ 2026-03-26 03:43:16
○ 2026-04-12 10:57:52

○MXaspmx2.googlemail.com2016-03-20 → 2018-01-26 · 5 obs

○ 2015-10-08 22:13:24
● 2016-03-20 11:44:22
● 2018-01-26 02:45:18
○ 2026-03-26 03:43:16
○ 2026-04-12 10:57:52

○MXaspmx3.googlemail.com2016-03-20 → 2018-01-26 · 5 obs

○ 2015-10-08 22:13:24
● 2016-03-20 11:44:22
● 2018-01-26 02:45:18
○ 2026-03-26 03:43:16
○ 2026-04-12 10:57:52

●MXcntcinc.com2026-03-26 → 2026-04-12 · 3 obs

○ 2018-01-26 02:45:18
● 2026-03-26 03:43:16
● 2026-04-12 10:57:52

○MXmail.box88.com2008-03-18 → 2008-03-18 · 3 obs

● 2008-03-18 11:28:38
○ 2015-10-08 22:13:24
○ 2026-04-12 10:57:52

○MXmall.box88.com2008-03-18 → 2008-03-18 · 3 obs

● 2008-03-18 11:28:38
○ 2015-10-08 22:13:24
○ 2026-04-12 10:57:52

○A211.23.242.862016-12-27 → 2016-12-27 · 4 obs

○ 2016-07-12 04:06:52
● 2016-12-27 17:09:46
○ 2018-01-26 02:45:18
○ 2026-04-12 10:57:52

●A211.23.242.872016-03-20 → 2026-04-12 · 7 obs

○ 2015-10-08 22:13:24
● 2016-03-20 11:44:22
● 2016-07-12 04:06:52
○ 2016-12-27 17:09:46
○ 2018-01-26 02:45:18
● 2026-03-26 03:43:16
● 2026-04-12 10:57:52

○A211.23.242.882018-01-26 → 2018-01-26 · 4 obs

○ 2016-12-27 17:09:46
● 2018-01-26 02:45:18
○ 2026-03-26 03:43:16
○ 2026-04-12 10:57:52

○A66.134.76.1862008-03-18 → 2008-03-18 · 3 obs

● 2008-03-18 11:28:38
○ 2015-10-08 22:13:24
○ 2026-04-12 10:57:52

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	b.gtld-servers.net, c.gtld-servers.net, a.gtld-servers.net, i.gtld-servers.net...	-
cntcinc.com	rosemary.ns.cloudflare.com, koa.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.194.77

NS records: rosemary.ns.cloudflare.com, koa.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cntcinc.com (unsigned zone)

⏱️ Timing

Total: 347ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`211.23.242.87`
NS	2	`koa.ns.cloudflare.com, rosemary.ns.cloudflare.com`
MX	1	`cntcinc.com (pri: 10)`
TXT	1	`v=spf1 +mx +a +ip4:211.23.242.87 ~all`
SOA	1	`koa.ns.cloudflare.com dns.cloudflare.com`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (rosemary.ns.cloudflare.com, rosemary.ns.cloudflare.com, rosemary.ns.cloudflare.com...)

Analysis

Hierarchy

The parent of ns3.cntcinc.com is cntcinc.com.

Mail Server Role

cntcinc.com serves as a mail server for cntcinc.com.

IP Addresses

cntcinc.com points to a single IP: 211.23.242.87.

Other host names, for example 211-23-242-87.hinet-ip.hinet.net, twtc.vbitc.com, _dc-mx.f6112ac0eef6.vbitc.com and 1016shop.com share IP numbers with cntcinc.com.

Name Servers

Two name servers koa.ns.cloudflare.com and rosemary.ns.cloudflare.com handle delegation for cntcinc.com.

cntcinc.com uses the same name server setup as other domains, for example 377550.com, 1016shop.com, 178077.com, valdezz.com and 770915.com.

cntcinc.com partially shares name servers with other domains; examples include iknowthenfl.com, bobosl-ot.com, best(0x706f726e)thumbs.com, electricalenlightenment.com and vietbp.com.

these name servers are commonly used with the name servers leif.ns.cloudflare.com.

Host names with six IP numbers: koa.ns.cloudflare.com points to: 2606:4700:58::a29f:2cf2, 2803:f800:50::6ca2:c3f2, 2a06:98c1:50::ac40:23f2, 108.162.195.242, 162.159.44.242 and 172.64.35.242; rosemary.ns.cloudflare.com points to: 2606:4700:50::a29f:264d, 2803:f800:50::6ca2:c24d, 2a06:98c1:50::ac40:224d, 108.162.194.77, 162.159.38.77 and 172.64.34.77.

Mail Servers

cntcinc.com is handled by a single mail server, cntcinc.com.

cntcinc.com points to a single IP: 211.23.242.87.

cntcinc.com - robtex.com

cntcinc.com

com

MX for

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Hierarchy

Mail Server Role

IP Addresses

Name Servers

Mail Servers

`cntcinc.com`

`com`