czyangcheng.com - robtex.com

czyangcheng.com

DNSSEC⚠️ Not signed
A2606:4700:3034::ac43:d074🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::6815:171b🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.23.27Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.208.116🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSchad.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3b52🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRchad.ns.cloudflare.com
A2803:f800:50::6ca2:c152🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRchad.ns.cloudflare.com
A2a06:98c1:50::ac40:2152🇺🇸 Cloudflare2a06:98c1:50::/45
PTRchad.ns.cloudflare.com
A108.162.193.82🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRchad.ns.cloudflare.com
A172.64.33.82🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRchad.ns.cloudflare.com
A173.245.59.82🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRchad.ns.cloudflare.com
NSolivia.ns.cloudflare.com
A2606:4700:50::a29f:26dd🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRolivia.ns.cloudflare.com
A2803:f800:50::6ca2:c2dd🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRolivia.ns.cloudflare.com
A2a06:98c1:50::ac40:22dd🇺🇸 Cloudflare2a06:98c1:50::/45
PTRolivia.ns.cloudflare.com
A108.162.194.221🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRolivia.ns.cloudflare.com
A162.159.38.221Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRolivia.ns.cloudflare.com
A172.64.34.221🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRolivia.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.23.27, 172.67.208.116
IPv6 hints2606:4700:3034::ac43:d074, 2606:4700:3037::6815:171b
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=60, name=cloudflare-ech.com
SOAchad.ns.cloudflare.comdns@cloudflare.com serial=2406717150

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=1784472682

Subdomains

www.czyangcheng.com

Same first word

czyangcheng.com

Similar names

cczhengyang.com
cczhengyang.cn

DNS History

14 records (6 active, 8 former)

20162017201820192020202120222023202420252026NSchad.ns.cloudflare.comolivia.ns.cloudflare.comjuming.dnsdun.comjuming.dnsdun.netns7.cnolnic.netns8.cnolnic.netMXmx137e.cnm.cnA104.21.23.27172.67.208.1162606:4700:3034::ac43:d0742606:4700:3037::6815:171b139.219.13.232218.5.79.11323.248.208.150
●NSchad.ns.cloudflare.com2026-07-16 → 2026-07-19 · 3 obs
○ 2020-02-18 19:53:00
● 2026-07-16 11:47:22
● 2026-07-19 14:57:12
○NSjuming.dnsdun.com2020-02-18 → 2020-02-18 · 4 obs
○ 2017-03-18 04:54:02
● 2020-02-18 19:53:00
○ 2026-07-16 11:47:22
○ 2026-07-19 14:57:12
○NSjuming.dnsdun.net2020-02-18 → 2020-02-18 · 4 obs
○ 2017-03-18 04:54:02
● 2020-02-18 19:53:00
○ 2026-07-16 11:47:22
○ 2026-07-19 14:57:12
○NSns7.cnolnic.net2015-07-23 → 2017-03-18 · 4 obs
● 2015-07-23 14:57:20
● 2017-03-18 04:54:02
○ 2020-02-18 19:53:00
○ 2026-07-19 14:57:12
○NSns8.cnolnic.net2015-07-23 → 2017-03-18 · 4 obs
● 2015-07-23 14:57:20
● 2017-03-18 04:54:02
○ 2020-02-18 19:53:00
○ 2026-07-19 14:57:12
●NSolivia.ns.cloudflare.com2026-07-16 → 2026-07-19 · 3 obs
○ 2020-02-18 19:53:00
● 2026-07-16 11:47:22
● 2026-07-19 14:57:12
○MXmx137e.cnm.cn2015-07-23 → 2017-03-18 · 4 obs
● 2015-07-23 14:57:20
● 2017-03-18 04:54:02
○ 2020-02-18 19:53:00
○ 2026-07-19 14:57:12
●A104.21.23.272026-07-16 → 2026-07-19 · 3 obs
○ 2020-02-18 19:53:00
● 2026-07-16 11:47:22
● 2026-07-19 14:57:12
○A139.219.13.2322017-03-18 → 2017-03-18 · 4 obs
○ 2016-06-24 04:45:08
● 2017-03-18 04:54:02
○ 2020-02-18 19:53:00
○ 2026-07-19 14:57:12
●A172.67.208.1162026-07-16 → 2026-07-19 · 3 obs
○ 2020-02-18 19:53:00
● 2026-07-16 11:47:22
● 2026-07-19 14:57:12
○A218.5.79.1132015-07-23 → 2016-06-24 · 4 obs
● 2015-07-23 14:57:20
● 2016-06-24 04:45:08
○ 2017-03-18 04:54:02
○ 2026-07-19 14:57:12
○A23.248.208.1502020-02-18 → 2020-02-18 · 4 obs
○ 2017-03-18 04:54:02
● 2020-02-18 19:53:00
○ 2026-07-16 11:47:22
○ 2026-07-19 14:57:12
●A2606:4700:3034::ac43:d0742026-07-16 → 2026-07-19 · 3 obs
○ 2020-02-18 19:53:00
● 2026-07-16 11:47:22
● 2026-07-19 14:57:12
●A2606:4700:3037::6815:171b2026-07-16 → 2026-07-19 · 3 obs
○ 2020-02-18 19:53:00
● 2026-07-16 11:47:22
● 2026-07-19 14:57:12

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...-
czyangcheng.comchad.ns.cloudflare.com, olivia.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.194.221

NS records: chad.ns.cloudflare.com, olivia.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for czyangcheng.com (unsigned zone)

⏱️ Timing

Total: 136ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.208.116, 104.21.23.27
AAAA22606:4700:3034::ac43:d074, 2606:4700:3037::6815:171b
NS2chad.ns.cloudflare.com, olivia.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1chad.ns.cloudflare.com dns.cloudflare.co

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

www.czyangcheng.com is delegated beneath czyangcheng.com.

IP Addresses

czyangcheng.com points to the four IP addresses 104.21.23.27, 172.67.208.116, 2606:4700:3034::ac43:d074 and 2606:4700:3037::6815:171b.

Two other host names, along with www.gmdw.co.kr, gamesnotongamstop.co.uk and caspero.jetzt, also share IP numbers with czyangcheng.com.

Name Servers

czyangcheng.com is served by two delegated name servers, chad.ns.cloudflare.com and olivia.ns.cloudflare.com.

czyangcheng.com shares its NS records with other domains, for example sccowners.fr, bio-greennature.com, qzaotuo.com and two others.

There is at least partial name server overlap between czyangcheng.com and other domains — nnidwajl.cc, sbsmz.cn, chenpaiwan.cn and two more among them.

These name servers tend to appear in combination with the name servers peyton.ns.cloudflare.com, ajay.ns.cloudflare.com, cecelia.ns.cloudflare.com and nina.ns.cloudflare.com.

DNS names with 6 IP addresses:

chad.ns.cloudflare.com carries IP addresses 108.162.193.82, 172.64.33.82 and 173.245.59.82, with 3 other addresses beyond those.

olivia.ns.cloudflare.com carries IP addresses 108.162.194.221, 162.159.38.221 and 172.64.34.221, with 3 other addresses beyond those.