congzheng.net - robtex.com

congzheng.net

DNSSEC⚠️ Not signed
A2606:4700:3035::6815:38aa🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::ac43:bb55🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.56.170Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.187.85🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSarvind.ns.cloudflare.com ⭐
A2606:4700:58::a29f:2ce3🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRarvind.ns.cloudflare.com
A2803:f800:50::6ca2:c3e3🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRarvind.ns.cloudflare.com
A2a06:98c1:50::ac40:23e3🇺🇸 Cloudflare2a06:98c1:50::/45
PTRarvind.ns.cloudflare.com
A108.162.195.227🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRarvind.ns.cloudflare.com
A162.159.44.227Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRarvind.ns.cloudflare.com
A172.64.35.227🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRarvind.ns.cloudflare.com
NSraina.ns.cloudflare.com
A2606:4700:50::a29f:26f1🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRraina.ns.cloudflare.com
A2803:f800:50::6ca2:c2f1🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRraina.ns.cloudflare.com
A2a06:98c1:50::ac40:22f1🇺🇸 Cloudflare2a06:98c1:50::/45
PTRraina.ns.cloudflare.com
A108.162.194.241🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRraina.ns.cloudflare.com
A162.159.38.241Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRraina.ns.cloudflare.com
A172.64.34.241🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRraina.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.56.170, 172.67.187.85
IPv6 hints2606:4700:3035::6815:38aa, 2606:4700:3035::ac43:bb55
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=135, name=cloudflare-ech.com
SOAarvind.ns.cloudflare.comdns@cloudflare.com serial=2408334618

net

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=1785481082

Same first word

congzheng.net
congzheng.com

Similar names

chongzeng.cn
zongcheng.com
zhengcong.com
zongcheng.net
chongzeng.com
chengzong.com
zhengcong.com.cn

DNS History

14 records (6 active, 8 former)

201820192020202120222023202420252026NSarvind.ns.cloudflare.comraina.ns.cloudflare.comexpirens3.hichina.comexpirens4.hichina.comA104.21.56.170172.67.187.852606:4700:3035::6815:38aa2606:4700:3035::ac43:bb55188.114.96.0188.114.97.02606:4700:3037::6815:38aa2a06:98c1:3120::2a06:98c1:3121::47.89.58.141
●NSarvind.ns.cloudflare.com2026-06-25 → 2026-07-31 · 3 obs
○ 2017-01-04 08:28:36
● 2026-06-25 14:33:42
● 2026-07-31 07:28:18
○NSexpirens3.hichina.com2017-01-04 → 2017-01-04 · 3 obs
● 2017-01-04 08:28:36
○ 2026-06-25 14:33:42
○ 2026-07-31 07:28:18
○NSexpirens4.hichina.com2017-01-04 → 2017-01-04 · 3 obs
● 2017-01-04 08:28:36
○ 2026-06-25 14:33:42
○ 2026-07-31 07:28:18
●NSraina.ns.cloudflare.com2026-06-25 → 2026-07-31 · 3 obs
○ 2017-01-04 08:28:36
● 2026-06-25 14:33:42
● 2026-07-31 07:28:18
●A104.21.56.1702026-07-14 → 2026-07-31 · 3 obs
○ 2026-06-25 14:33:42
● 2026-07-14 18:41:48
● 2026-07-31 07:28:18
●A172.67.187.852026-07-14 → 2026-07-31 · 3 obs
○ 2026-06-25 14:33:42
● 2026-07-14 18:41:48
● 2026-07-31 07:28:18
○A188.114.96.02026-06-25 → 2026-06-25 · 4 obs
○ 2017-01-04 08:28:36
● 2026-06-25 14:33:42
○ 2026-07-14 18:41:48
○ 2026-07-31 07:28:18
○A188.114.97.02026-06-25 → 2026-06-25 · 4 obs
○ 2017-01-04 08:28:36
● 2026-06-25 14:33:42
○ 2026-07-14 18:41:48
○ 2026-07-31 07:28:18
●A2606:4700:3035::6815:38aa2026-07-31 → 2026-07-31 · 2 obs
○ 2026-07-14 18:41:48
● 2026-07-31 07:28:18
●A2606:4700:3035::ac43:bb552026-07-14 → 2026-07-31 · 3 obs
○ 2026-06-25 14:33:42
● 2026-07-14 18:41:48
● 2026-07-31 07:28:18
○A2606:4700:3037::6815:38aa2026-07-14 → 2026-07-14 · 3 obs
○ 2026-06-25 14:33:42
● 2026-07-14 18:41:48
○ 2026-07-31 07:28:18
○A2a06:98c1:3120::2026-06-25 → 2026-06-25 · 4 obs
○ 2017-01-04 08:28:36
● 2026-06-25 14:33:42
○ 2026-07-14 18:41:48
○ 2026-07-31 07:28:18
○A2a06:98c1:3121::2026-06-25 → 2026-06-25 · 4 obs
○ 2017-01-04 08:28:36
● 2026-06-25 14:33:42
○ 2026-07-14 18:41:48
○ 2026-07-31 07:28:18
○A47.89.58.1412017-01-04 → 2017-01-04 · 3 obs
● 2017-01-04 08:28:36
○ 2026-06-25 14:33:42
○ 2026-07-31 07:28:18

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
neta.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
congzheng.netraina.ns.cloudflare.com, arvind.ns.cloudflare.com-

✅ Authoritative Response

Server:162.159.38.241

NS records: raina.ns.cloudflare.com, arvind.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for congzheng.net (unsigned zone)

⏱️ Timing

Total: 561ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.56.170, 172.67.187.85
AAAA22606:4700:3035::6815:38aa, 2606:4700:3035::ac43:bb55
NS2arvind.ns.cloudflare.com, raina.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1arvind.ns.cloudflare.com dns.cloudflare.

Analysis

IP Addresses

congzheng.net resolves to four IP addresses: 104.21.56.170, 172.67.187.85, 2606:4700:3035::6815:38aa and 2606:4700:3035::ac43:bb55.

Among the host names that share IP numbers with congzheng.net are naspovaluepoint.org, abrsmpub.co.uk, hummingbirdguesthouse.com and two others.

Name Servers

Two name servers handle the delegation for congzheng.net: arvind.ns.cloudflare.com and raina.ns.cloudflare.com.

congzheng.net has the same name server delegation as a number of other domains, such as lfa588.com, tianniaoqkw.com, meirongyq.com and two more.

congzheng.net partially shares its NS delegation with several other domains, including e-kc.ru, michielvdven.com, ninjacourses.com and two others.

These name servers regularly co-occur with the name servers gail.ns.cloudflare.com, zelda.ns.cloudflare.com and addilyn.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

arvind.ns.cloudflare.com resolves to 108.162.195.227, 162.159.44.227 and 172.64.35.227 among others, with 3 other IP addresses in total.

raina.ns.cloudflare.com resolves to 108.162.194.241, 162.159.38.241 and 172.64.34.241 among others, with 3 other IP addresses in total.