rzhsysc.com - robtex.com

rzhsysc.com

DNSSEC⚠️ Not signed
A2606:4700:3032::ac43:aa6e🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3034::6815:1c55🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.28.85Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.170.110🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSamanda.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3a3f🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRamanda.ns.cloudflare.com
A2803:f800:50::6ca2:c03f🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRamanda.ns.cloudflare.com
A2a06:98c1:50::ac40:203f🇺🇸 Cloudflare2a06:98c1:50::/45
PTRamanda.ns.cloudflare.com
A108.162.192.63🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRamanda.ns.cloudflare.com
A172.64.32.63🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRamanda.ns.cloudflare.com
A173.245.58.63🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRamanda.ns.cloudflare.com
NScolin.ns.cloudflare.com
A2606:4700:58::a29f:2c4b🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcolin.ns.cloudflare.com
A2803:f800:50::6ca2:c34b🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRcolin.ns.cloudflare.com
A2a06:98c1:50::ac40:234b🇺🇸 Cloudflare2a06:98c1:50::/45
PTRcolin.ns.cloudflare.com
A108.162.195.75🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcolin.ns.cloudflare.com
A162.159.44.75Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcolin.ns.cloudflare.com
A172.64.35.75🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcolin.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.28.85, 172.67.170.110
IPv6 hints2606:4700:3032::ac43:aa6e, 2606:4700:3034::6815:1c55
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=199, name=cloudflare-ech.com
SOAamanda.ns.cloudflare.comdns@cloudflare.com serial=2409221292

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=1784057922

Same first word

rzhsysc.com

DNS History

11 records (6 active, 5 former)

2020202120222023202420252026NSamanda.ns.cloudflare.comcolin.ns.cloudflare.comjm1.dns.comjm2.dns.comA104.21.28.85172.67.170.1102606:4700:3032::ac43:aa6e2606:4700:3034::6815:1c55154.211.60.2002606:4700:3031::6815:1c552606:4700:3033::ac43:aa6e
●NSamanda.ns.cloudflare.com2026-05-17 → 2026-07-14 · 3 obs
○ 2019-12-15 08:59:26
● 2026-05-17 05:49:22
● 2026-07-14 20:06:22
●NScolin.ns.cloudflare.com2026-05-17 → 2026-07-14 · 3 obs
○ 2019-12-15 08:59:26
● 2026-05-17 05:49:22
● 2026-07-14 20:06:22
○NSjm1.dns.com2019-12-15 → 2019-12-15 · 3 obs
● 2019-12-15 08:59:26
○ 2026-05-17 05:49:22
○ 2026-07-14 20:06:22
○NSjm2.dns.com2019-12-15 → 2019-12-15 · 3 obs
● 2019-12-15 08:59:26
○ 2026-05-17 05:49:22
○ 2026-07-14 20:06:22
●A104.21.28.852026-05-17 → 2026-07-14 · 3 obs
○ 2019-12-15 08:59:26
● 2026-05-17 05:49:22
● 2026-07-14 20:06:22
○A154.211.60.2002019-12-15 → 2019-12-15 · 3 obs
● 2019-12-15 08:59:26
○ 2026-05-17 05:49:22
○ 2026-07-14 20:06:22
●A172.67.170.1102026-05-17 → 2026-07-14 · 3 obs
○ 2019-12-15 08:59:26
● 2026-05-17 05:49:22
● 2026-07-14 20:06:22
○A2606:4700:3031::6815:1c552026-05-17 → 2026-05-17 · 4 obs
○ 2019-12-15 08:59:26
● 2026-05-17 05:49:22
○ 2026-07-14 20:06:20
○ 2026-07-14 20:06:22
●A2606:4700:3032::ac43:aa6e2026-07-14 → 2026-07-14 · 3 obs
○ 2026-05-17 05:49:22
● 2026-07-14 20:06:20
● 2026-07-14 20:06:22
○A2606:4700:3033::ac43:aa6e2026-05-17 → 2026-05-17 · 4 obs
○ 2019-12-15 08:59:26
● 2026-05-17 05:49:22
○ 2026-07-14 20:06:20
○ 2026-07-14 20:06:22
●A2606:4700:3034::6815:1c552026-07-14 → 2026-07-14 · 3 obs
○ 2026-05-17 05:49:22
● 2026-07-14 20:06:20
● 2026-07-14 20:06:22

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
rzhsysc.comamanda.ns.cloudflare.com, colin.ns.cloudflare.com12 records

✅ Authoritative Response

Server:162.159.44.75

NS records: amanda.ns.cloudflare.com, colin.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rzhsysc.com (unsigned zone)

⏱️ Timing

Total: 240ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.170.110, 104.21.28.85
AAAA22606:4700:3032::ac43:aa6e, 2606:4700:3034::6815:1c55
NS2amanda.ns.cloudflare.com, colin.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1amanda.ns.cloudflare.com dns.cloudflare.

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

rzhsysc.com resolves to four IP addresses: 104.21.28.85, 172.67.170.110, 2606:4700:3032::ac43:aa6e and 2606:4700:3034::6815:1c55.

Additional host names — kiteboarder.co.uk, ftp.savetime.com.tw, baixarfilmeshdr.com and two others — share IP numbers with rzhsysc.com.

Name Servers

rzhsysc.com uses two name servers for its delegation: amanda.ns.cloudflare.com and colin.ns.cloudflare.com.

rzhsysc.com shares its name server setup with other domains, including wzying.com, wjgunn.com, wvqtr.com and two others.

rzhsysc.com has at least partial name server overlap with other domains, such as giaphong.me, uniteddentalcorp.com, cannondale.com and two others.

It is common to find these name servers paired with the name servers andy.ns.cloudflare.com.

Host names with 6 IP numbers:

Hostname amanda.ns.cloudflare.com directs to 108.162.192.63, 172.64.32.63 and 173.245.58.63 along with 3 other IP addresses.

Hostname colin.ns.cloudflare.com directs to 108.162.195.75, 162.159.44.75 and 172.64.35.75 along with 3 other IP addresses.