cntcb.com - robtex.com

cntcb.com

DNSSEC⚠️ Not signed
A2606:4700:3035::6815:1fba🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::ac43:b32c🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.31.186Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.179.44🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSdamon.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3b60🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdamon.ns.cloudflare.com
A2803:f800:50::6ca2:c160🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRdamon.ns.cloudflare.com
A2a06:98c1:50::ac40:2160🇺🇸 Cloudflare2a06:98c1:50::/45
PTRdamon.ns.cloudflare.com
A108.162.193.96🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdamon.ns.cloudflare.com
A172.64.33.96🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdamon.ns.cloudflare.com
A173.245.59.96🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdamon.ns.cloudflare.com
NSelsa.ns.cloudflare.com
A2606:4700:50::adf5:3a6f🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRelsa.ns.cloudflare.com
A2803:f800:50::6ca2:c06f🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRelsa.ns.cloudflare.com
A2a06:98c1:50::ac40:206f🇺🇸 Cloudflare2a06:98c1:50::/45
PTRelsa.ns.cloudflare.com
A108.162.192.111🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRelsa.ns.cloudflare.com
A172.64.32.111🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRelsa.ns.cloudflare.com
A173.245.58.111🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRelsa.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.31.186, 172.67.179.44
IPv62606:4700:3035::6815:1fba, 2606:4700:3035::ac43:b32c
SOAdamon.ns.cloudflare.comdns@cloudflare.com serial=2398091932

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1771291435

Same first word

cntcb.com

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DNS History

19 records (6 active, 13 former)

20162017201820192020202120222023202420252026NSdamon.ns.cloudflare.comelsa.ns.cloudflare.comns1.cntcb.comA104.21.31.186172.67.179.442606:4700:3035::6815:1fba2606:4700:3035::ac43:b32c103.232.215.133119.10.125.66119.9.75.196211.157.188.19847.89.24.7147.90.21.5847.90.4.24258.30.208.13958.30.208.85CNAMEhost6926854.xincache1.cnhost6926854.xincache5.cnnobeian.east263.net
●NSdamon.ns.cloudflare.com2026-03-13 → 2026-03-14 · 3 obs
○ 2017-08-05 15:06:32
● 2026-03-13 13:04:36
● 2026-03-14 02:02:52
●NSelsa.ns.cloudflare.com2026-03-13 → 2026-03-14 · 3 obs
○ 2017-08-05 15:06:32
● 2026-03-13 13:04:36
● 2026-03-14 02:02:52
○NSns1.cntcb.com2015-08-06 → 2017-07-27 · 4 obs
● 2015-08-06 02:11:30
● 2017-07-27 08:26:28
○ 2017-08-05 15:06:32
○ 2026-03-14 02:02:52
○A103.232.215.1332015-11-02 → 2015-11-02 · 4 obs
○ 2015-08-06 02:11:30
● 2015-11-02 08:48:26
○ 2015-12-01 19:15:14
○ 2026-03-14 02:02:52
●A104.21.31.1862026-03-13 → 2026-03-14 · 3 obs
○ 2017-07-14 04:29:04
● 2026-03-13 13:04:36
● 2026-03-14 02:02:52
○A119.10.125.662016-11-24 → 2017-01-19 · 5 obs
○ 2016-09-06 11:54:04
● 2016-11-24 14:41:40
● 2017-01-19 10:46:52
○ 2017-07-14 04:29:04
○ 2026-03-14 02:02:52
○A119.9.75.1962015-08-06 → 2015-08-06 · 3 obs
● 2015-08-06 02:11:30
○ 2017-06-30 15:21:14
○ 2026-03-14 02:02:52
●A172.67.179.442026-03-13 → 2026-03-14 · 3 obs
○ 2017-07-14 04:29:04
● 2026-03-13 13:04:36
● 2026-03-14 02:02:52
○A211.157.188.1982015-08-06 → 2015-12-01 · 4 obs
● 2015-08-06 02:11:30
● 2015-12-01 19:15:14
○ 2016-02-28 18:49:56
○ 2026-03-14 02:02:52
●A2606:4700:3035::6815:1fba2026-03-13 → 2026-03-14 · 3 obs
○ 2017-07-14 04:29:04
● 2026-03-13 13:04:36
● 2026-03-14 02:02:52
●A2606:4700:3035::ac43:b32c2026-03-13 → 2026-03-14 · 3 obs
○ 2017-07-14 04:29:04
● 2026-03-13 13:04:36
● 2026-03-14 02:02:52
○A47.89.24.712016-05-22 → 2016-05-22 · 4 obs
○ 2016-02-28 18:49:56
● 2016-05-22 01:34:06
○ 2016-05-31 03:00:20
○ 2026-03-14 02:02:52
○A47.90.21.582016-05-31 → 2016-05-31 · 4 obs
○ 2016-05-22 01:34:06
● 2016-05-31 03:00:20
○ 2016-09-06 11:54:04
○ 2026-03-14 02:02:52
○A47.90.4.2422016-09-06 → 2016-09-06 · 4 obs
○ 2016-05-31 03:00:20
● 2016-09-06 11:54:04
○ 2016-11-24 14:41:40
○ 2026-03-14 02:02:52
○A58.30.208.1392015-08-06 → 2015-08-06 · 3 obs
● 2015-08-06 02:11:30
○ 2017-06-30 15:21:14
○ 2026-03-14 02:02:52
○A58.30.208.852016-02-28 → 2016-02-28 · 4 obs
○ 2015-12-01 19:15:14
● 2016-02-28 18:49:56
○ 2016-05-22 01:34:06
○ 2026-03-14 02:02:52
○CNAMEhost6926854.xincache1.cn2016-11-24 → 2017-01-19 · 8 obs
○ 2016-09-06 11:54:04
● 2016-11-24 14:41:40
● 2016-12-20 20:59:26
○ 2016-12-25 18:21:08
● 2016-12-26 02:44:12
● 2017-01-19 10:46:52
○ 2017-06-30 15:21:14
○ 2026-03-14 02:02:52
○CNAMEhost6926854.xincache5.cn2016-11-24 → 2017-07-27 · 8 obs
○ 2016-09-06 11:54:04
● 2016-11-24 14:41:40
● 2016-12-20 20:59:26
○ 2016-12-25 18:21:08
● 2016-12-26 02:44:12
● 2017-07-27 08:26:28
○ 2017-08-05 15:06:32
○ 2026-03-14 02:02:52
○CNAMEnobeian.east263.net2015-08-06 → 2016-09-06 · 11 obs
● 2015-08-06 02:11:30
○ 2015-11-02 08:48:26
● 2015-12-01 19:15:14
● 2016-02-28 18:49:56
○ 2016-03-07 12:12:20
● 2016-05-22 01:34:06
● 2016-05-31 03:00:20
○ 2016-06-15 17:46:18
● 2016-09-06 11:54:04
○ 2016-11-24 14:41:40
○ 2026-03-14 02:02:52

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
cntcb.comelsa.ns.cloudflare.com, damon.ns.cloudflare.com12 records

✅ Authoritative Response

Server: 108.162.192.111

NS records: elsa.ns.cloudflare.com, damon.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cntcb.com (unsigned zone)

⏱️ Timing

Total: 197ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.179.44, 104.21.31.186
AAAA22606:4700:3035::6815:1fba, 2606:4700:3035::ac43:b32c
NS2damon.ns.cloudflare.com, elsa.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1damon.ns.cloudflare.com dns.cloudflare.c

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

cntcb.com maps to four IP numbers: 2606:4700:3035::6815:1fba, 2606:4700:3035::ac43:b32c, 104.21.31.186 and 172.67.179.44.

Other host names such as aquatek-plumbing.com, scriborapulse360.com, pk84yzem.xyz, casemeet.com and www.unkloser.com share IPs with cntcb.com.

Name Servers

Two name servers damon.ns.cloudflare.com and elsa.ns.cloudflare.com handle the delegation for cntcb.com.

cntcb.com shares the same name server setup as other domains, for example szcin.com, jshhc.com, tlhyyb.com, cp020.com and hbxtnky.com.

cntcb.com at least partially shares name servers with other domains, for example roomies.com, 48.fyi, esfbs.com, icebin.net and crazygames.co.id.

these name servers are commonly used alongside chip.ns.cloudflare.com name servers.

Host names with six IP numbers:

damon.ns.cloudflare.com points to 2606:4700:58::adf5:3b60, 2803:f800:50::6ca2:c160, 2a06:98c1:50::ac40:2160, 108.162.193.96, 172.64.33.96 and 173.245.59.96.

elsa.ns.cloudflare.com points to 2606:4700:50::adf5:3a6f, 2803:f800:50::6ca2:c06f, 2a06:98c1:50::ac40:206f, 108.162.192.111, 172.64.32.111 and 173.245.58.111.