cntui.com - dns.ninja

`cntui.com`

DNSSEC	⚠️ Not signed
A	2600:1f18:4ae:c605:dd5d:b838:5816:d7fb^{🇺🇸 Amazon2600:1f18::/35 AMAZON EC2 IAD prefix}
A	2600:1f18:4ae:c606:78d4:4260:db4e:aeee^{🇺🇸 Amazon2600:1f18::/35 AMAZON EC2 IAD prefix}
A	13.223.25.84^{🇺🇸 Amazon13.216.0.0/13 EC2 IAD prefix}
A	54.243.117.197^{🇺🇸 Amazon54.242.0.0/15 EC2 IAD prefix}
NS	`ns1.namebrightdns.com` ⭐
		A	2600:1f18:683a:ae1a:6900:d1bd:7672:d0ca^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1a:7bc2:638d:8ca6:fcc4^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:d57d:390a:64b4:d4f1^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	52.203.211.134^{🇺🇸 Amazon52.200.0.0/13 EC2 IAD prefix}
			PTR	`ec2-52-203-211-134.compute-1.amazonaws.com`
		A	52.204.81.90^{🇺🇸 Amazon52.200.0.0/13 EC2 IAD prefix}
			PTR	`ec2-52-204-81-90.compute-1.amazonaws.com`
NS	`nsg1.namebrightdns.com`
		A	2600:1f18:683a:ae1a:4a5c:f736:fa58:d85^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1a:7b03:f4b:4bfa:8287^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1a:b159:2be8:f48c:b374^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	13.221.131.54^{🇺🇸 Amazon13.216.0.0/13 EC2 IAD prefix}
			PTR	`ec2-13-221-131-54.compute-1.amazonaws.com`
		A	13.222.195.178^{🇺🇸 Amazon13.216.0.0/13 EC2 IAD prefix}
			PTR	`ec2-13-222-195-178.compute-1.amazonaws.com`
		A	54.175.130.15^{🇺🇸 Amazon54.174.0.0/15 EC2 IAD prefix}
			PTR	`ec2-54-175-130-15.compute-1.amazonaws.com`
NS	`nsg2.namebrightdns.com`
		A	2600:1f18:683a:ae1b:5b81:82bc:6de0:b02c^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:b942:bb73:2f59:d7af^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:da4a:4683:1131:8bce^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	3.80.109.14^{🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix}
			PTR	`ec2-3-80-109-14.compute-1.amazonaws.com`
		A	98.81.3.34^{🇺🇸 Amazon98.80.0.0/13 EC2 IAD Prefix}
			PTR	`ec2-98-81-3-34.compute-1.amazonaws.com`
		A	98.83.212.177^{🇺🇸 Amazon98.80.0.0/13 EC2 IAD Prefix}
			PTR	`ec2-98-83-212-177.compute-1.amazonaws.com`
TXT	`v=spf1 -all`
TXT	`afternic-verification-G9G3tM8T8EwEizzPzjGJWF`
SOA	`ns1.namebrightdns.com`dns@namebright.com 2026-06-30 #1

`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=1782874231

Same first word

cntui.com

cntui.com.cn

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DNS History

21 records (7 active, 14 former)

○NSdns1.iidns.com2015-10-06 → 2017-05-20 · 5 obs

○ 2008-03-16 04:03:52
● 2015-10-06 05:13:32
● 2017-05-20 20:02:40
○ 2026-05-03 02:44:56
○ 2026-07-01 03:05:52

○NSdns2.iidns.com2015-10-06 → 2015-12-18 · 5 obs

○ 2008-03-16 04:03:52
● 2015-10-06 05:13:32
● 2015-12-18 05:10:20
○ 2017-05-20 20:02:40
○ 2026-07-01 03:05:52

○NSdns3.iidns.com2015-10-06 → 2015-12-18 · 5 obs

○ 2008-03-16 04:03:52
● 2015-10-06 05:13:32
● 2015-12-18 05:10:20
○ 2017-05-20 20:02:40
○ 2026-07-01 03:05:52

○NSdns4.iidns.com2015-10-06 → 2015-12-18 · 5 obs

○ 2008-03-16 04:03:52
● 2015-10-06 05:13:32
● 2015-12-18 05:10:20
○ 2017-05-20 20:02:40
○ 2026-07-01 03:05:52

○NSdns5.iidns.com2015-10-06 → 2015-12-18 · 5 obs

○ 2008-03-16 04:03:52
● 2015-10-06 05:13:32
● 2015-12-18 05:10:20
○ 2017-05-20 20:02:40
○ 2026-07-01 03:05:52

○NSdns6.iidns.com2015-10-06 → 2016-06-21 · 5 obs

○ 2008-03-16 04:03:52
● 2015-10-06 05:13:32
● 2016-06-21 17:18:28
○ 2017-05-20 20:02:40
○ 2026-07-01 03:05:52

●NSns1.namebrightdns.com2026-05-03 → 2026-07-01 · 3 obs

○ 2017-05-20 20:02:40
● 2026-05-03 02:44:56
● 2026-07-01 03:05:52

○NSns2.xinnet.cn2008-03-16 → 2008-03-16 · 3 obs

● 2008-03-16 04:03:52
○ 2015-08-15 12:34:08
○ 2026-07-01 03:05:52

○NSns2.xinnetdns.com2008-03-16 → 2008-03-16 · 3 obs

● 2008-03-16 04:03:52
○ 2015-08-15 12:34:08
○ 2026-07-01 03:05:52

●NSnsg1.namebrightdns.com2026-05-03 → 2026-07-01 · 3 obs

○ 2017-05-20 20:02:40
● 2026-05-03 02:44:56
● 2026-07-01 03:05:52

●NSnsg2.namebrightdns.com2026-05-03 → 2026-07-01 · 3 obs

○ 2017-05-20 20:02:40
● 2026-05-03 02:44:56
● 2026-07-01 03:05:52

●A13.223.25.842026-05-03 → 2026-07-01 · 3 obs

○ 2017-05-20 20:02:40
● 2026-05-03 02:44:56
● 2026-07-01 03:05:52

○A218.241.11.482015-08-15 → 2015-08-15 · 4 obs

○ 2008-03-16 04:03:52
● 2015-08-15 12:34:08
○ 2015-10-06 05:13:32
○ 2026-07-01 03:05:52

○A220.166.64.2012015-10-06 → 2015-12-18 · 5 obs

○ 2008-03-16 04:03:52
● 2015-10-06 05:13:32
● 2015-12-18 05:10:20
○ 2017-05-20 20:02:40
○ 2026-07-01 03:05:52

●A2600:1f18:4ae:c605:dd5d:b838:5816:d7fb2026-05-03 → 2026-07-01 · 3 obs

○ 2017-05-20 20:02:40
● 2026-05-03 02:44:56
● 2026-07-01 03:05:52

●A2600:1f18:4ae:c606:78d4:4260:db4e:aeee2026-05-03 → 2026-07-01 · 3 obs

○ 2017-05-20 20:02:40
● 2026-05-03 02:44:56
● 2026-07-01 03:05:52

●A54.243.117.1972026-05-03 → 2026-07-01 · 3 obs

○ 2017-05-20 20:02:40
● 2026-05-03 02:44:56
● 2026-07-01 03:05:52

○A74.50.1.1942008-03-16 → 2008-03-16 · 3 obs

● 2008-03-16 04:03:52
○ 2015-08-15 12:34:08
○ 2026-07-01 03:05:52

○CNAMEcntui.gotoip1.com2015-10-06 → 2017-05-20 · 7 obs

○ 2008-03-16 04:03:52
● 2015-10-06 05:13:32
● 2015-12-18 05:10:20
○ 2016-06-21 17:18:28
● 2017-05-20 20:02:40
○ 2026-05-03 02:44:56
○ 2026-07-01 03:05:52

○CNAMEweb.b201.abc188.com2015-10-06 → 2015-12-18 · 5 obs

○ 2008-03-16 04:03:52
● 2015-10-06 05:13:32
● 2015-12-18 05:10:20
○ 2016-06-21 17:18:28
○ 2026-07-01 03:05:52

○CNAMEwfdsoft999.wfdsoft.com2015-08-15 → 2015-08-15 · 4 obs

○ 2008-03-16 04:03:52
● 2015-08-15 12:34:08
○ 2015-10-06 05:13:32
○ 2026-07-01 03:05:52

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	d.gtld-servers.net, i.gtld-servers.net, e.gtld-servers.net, k.gtld-servers.net...	-
cntui.com	nsg1.namebrightdns.com, nsg2.namebrightdns.com	12 records

✅ Authoritative Response

Server:3.80.109.14

NS records: nsg1.namebrightdns.com, nsg2.namebrightdns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cntui.com (unsigned zone)

⏱️ Timing

Total: 127ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`54.243.117.197, 13.223.25.84`
AAAA	2	`2600:1f18:4ae:c605:dd5d:b838:5816:d7fb, 2600:1f18:4ae:c606:78d4:4260:db4e:aeee`
NS	2	`nsg1.namebrightdns.com, nsg2.namebrightdns.com`
TXT	2	`afternic-verification-G9G3tM8T8EwEizzPzj, v=spf1 -all`
SOA	1	`ns1.namebrightdns.com dns.namebright.com`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (nsg1.namebrightdns.com, nsg1.namebrightdns.com, nsg1.namebrightdns.com...)

Analysis

IP Addresses

cntui.com resolves to four IP addresses: 13.223.25.84, 54.243.117.197, 2600:1f18:4ae:c605:dd5d:b838:5816:d7fb and 2600:1f18:4ae:c606:78d4:4260:db4e:aeee.

nullmx.sheschool.com, thewha.com, simplesavvy.com plus two other host names have IP numbers in common with cntui.com.

Name Servers

cntui.com carries NS records delegating to ns1.namebrightdns.com, nsg1.namebrightdns.com and nsg2.namebrightdns.com.

cntui.com has at least partial name server overlap with other domains, such as davisglobal.com, artisticenergies.com, ns1.erectorslab.com and two others.

These name servers tend to appear together with the name servers ns2.namebrightdns.com, domain-for-sale.hugedomainsdns.com and forsale.hugedomainsdns.com.

Hosts with 6 IP addresses each:

nsg1.namebrightdns.com resolves to 13.221.131.54, 13.222.195.178 and 54.175.130.15 among others, with 3 other IP addresses in total.

nsg2.namebrightdns.com resolves to 3.80.109.14, 98.81.3.34 and 98.83.212.177 among others, with 3 other IP addresses in total.

Hosts with five IP addresses:

ns1.namebrightdns.com has IP addresses 52.203.211.134, 52.204.81.90 and 2600:1f18:683a:ae1a:6900:d1bd:7672:d0ca along with two other addresses.