91cz.net - robtex.com
91cz.net
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3030::6815:4f7e🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3035::ac43:91a4🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.79.126Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.145.164🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | kia.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::adf5:3ab3🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | kia.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c0b3🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | kia.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:20b3🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | kia.ns.cloudflare.com | ||||||
| A | 108.162.192.179🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | kia.ns.cloudflare.com | ||||||
| A | 172.64.32.179🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | kia.ns.cloudflare.com | ||||||
| A | 173.245.58.179🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | kia.ns.cloudflare.com | ||||||
| NS | reese.ns.cloudflare.com | ||||||
| A | 2606:4700:58::a29f:2c75🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | reese.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c375🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | reese.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2375🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | reese.ns.cloudflare.com | ||||||
| A | 108.162.195.117🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | reese.ns.cloudflare.com | ||||||
| A | 162.159.44.117Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | reese.ns.cloudflare.com | ||||||
| A | 172.64.35.117🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | reese.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 | 104.21.79.126, 172.67.145.164 | ||||||
| IPv6 | 2606:4700:3030::6815:4f7e, 2606:4700:3035::ac43:91a4 | ||||||
| SOA | kia.ns.cloudflare.comdns@cloudflare.com serial=2399853446 | ||||||
net
| 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.netnstld@verisign-grs.com serial=1774664397 | ||||||
Same first word
91cz.net |
Similar names
DNS History
9 records (6 active, 3 former)
○NS(root)2015-07-02 → 2017-03-18 · 4 obs
● 2017-03-18 16:21:12
○ 2026-03-25 22:33:36
○ 2026-03-28 02:38:02
●NSkia.ns.cloudflare.com2026-03-25 → 2026-03-28 · 3 obs
● 2026-03-25 22:33:36
● 2026-03-28 02:38:02
●NSreese.ns.cloudflare.com2026-03-25 → 2026-03-28 · 3 obs
● 2026-03-25 22:33:36
● 2026-03-28 02:38:02
○MXmxbiz1.qq.com2015-07-02 → 2017-03-18 · 4 obs
● 2017-03-18 16:21:12
○ 2026-03-25 22:33:36
○ 2026-03-28 02:38:02
○MXmxbiz2.qq.com2015-07-02 → 2017-03-18 · 4 obs
● 2017-03-18 16:21:12
○ 2026-03-25 22:33:36
○ 2026-03-28 02:38:02
●A104.21.79.1262026-03-25 → 2026-03-28 · 2 obs
● 2026-03-28 02:38:02
●A172.67.145.1642026-03-25 → 2026-03-28 · 2 obs
● 2026-03-28 02:38:02
●A2606:4700:3030::6815:4f7e2026-03-25 → 2026-03-28 · 2 obs
● 2026-03-28 02:38:02
●A2606:4700:3035::ac43:91a42026-03-25 → 2026-03-28 · 2 obs
● 2026-03-28 02:38:02
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | a.gtld-servers.net, m.gtld-servers.net, k.gtld-servers.net, c.gtld-servers.net... | - |
| 91cz.net | kia.ns.cloudflare.com, reese.ns.cloudflare.com | - |
✅ Authoritative Response
Server:162.159.44.117
NS records: kia.ns.cloudflare.com, reese.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 91cz.net (unsigned zone)
⏱️ Timing
Total: 745ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.145.164, 104.21.79.126 |
| AAAA | 2 | 2606:4700:3035::ac43:91a4, 2606:4700:3030::6815:4f7e |
| NS | 2 | kia.ns.cloudflare.com, reese.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | kia.ns.cloudflare.com dns.cloudflare.com |
Analysis
IP Addresses
Four IP numbers are pointed to by 91cz.net: 2606:4700:3030::6815:4f7e, 2606:4700:3035::ac43:91a4, 104.21.79.126 and 172.67.145.164.
other host names including www.knowing.asia, www.birdfourfive.com, www.walp.org, goodyz.co.za and ftth-it.com share IP numbers with 91cz.net.
Name Servers
91cz.net is delegated to two name servers kia.ns.cloudflare.com and reese.ns.cloudflare.com.
91cz.net shares the same name server setup as other domains, for instance hqyouth.com, szgl.net, zqscwy.com, 51sims.com and asiantolick.com.
91cz.net at least partially shares name servers with other domains, for instance skywise.co.za, kaeru.eu, munckmandala.com, 823xx.com and oferta7259489.click.
These name servers are commonly used alongside violet.ns.cloudflare.com and amalia.ns.cloudflare.com.
Host names with six IP numbers:
Host name kia.ns.cloudflare.com points to: 2606:4700:50::adf5:3ab3, 2803:f800:50::6ca2:c0b3, 2a06:98c1:50::ac40:20b3, 108.162.192.179, 172.64.32.179 and 173.245.58.179.
Host name reese.ns.cloudflare.com points to: 2606:4700:58::a29f:2c75, 2803:f800:50::6ca2:c375, 2a06:98c1:50::ac40:2375, 108.162.195.117, 162.159.44.117 and 172.64.35.117.