51cjzb.com - robtex.com
51cjzb.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3030::ac43:d862🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3037::6815:330c🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.51.12Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.216.98🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | marge.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::adf5:3abf🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | marge.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c0bf🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | marge.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:20bf🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | marge.ns.cloudflare.com | ||||||
| A | 108.162.192.191🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | marge.ns.cloudflare.com | ||||||
| A | 172.64.32.191🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | marge.ns.cloudflare.com | ||||||
| A | 173.245.58.191🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | marge.ns.cloudflare.com | ||||||
| NS | vicente.ns.cloudflare.com | ||||||
| A | 2606:4700:58::a29f:2cef🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | vicente.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c3ef🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | vicente.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:23ef🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | vicente.ns.cloudflare.com | ||||||
| A | 108.162.195.239🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | vicente.ns.cloudflare.com | ||||||
| A | 162.159.44.239Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | vicente.ns.cloudflare.com | ||||||
| A | 172.64.35.239🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | vicente.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.51.12, 172.67.216.98 | ||||||
| IPv6 hints | 2606:4700:3030::ac43:d862, 2606:4700:3037::6815:330c | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=172, name=cloudflare-ech.com | ||||||
| SOA | marge.ns.cloudflare.comdns@cloudflare.com serial=2399757258 | ||||||
com
| 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=1778542686 | ||||||
Same first word
51cjzb.com |
Similar names
DNS History
7 records (6 active, 1 former)
●NSmarge.ns.cloudflare.com2026-05-04 → 2026-05-11 · 3 obs
● 2026-05-04 19:03:14
● 2026-05-11 23:51:56
○NSns1.22.cn2017-05-08 → 2017-05-08 · 3 obs
○ 2026-05-04 19:03:14
○ 2026-05-11 23:51:56
●NSvicente.ns.cloudflare.com2026-05-04 → 2026-05-11 · 3 obs
● 2026-05-04 19:03:14
● 2026-05-11 23:51:56
●A104.21.51.122026-05-04 → 2026-05-11 · 2 obs
● 2026-05-11 23:51:56
●A172.67.216.982026-05-04 → 2026-05-11 · 2 obs
● 2026-05-11 23:51:56
●A2606:4700:3030::ac43:d8622026-05-04 → 2026-05-11 · 2 obs
● 2026-05-11 23:51:56
●A2606:4700:3037::6815:330c2026-05-04 → 2026-05-11 · 2 obs
● 2026-05-11 23:51:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| 51cjzb.com | marge.ns.cloudflare.com, vicente.ns.cloudflare.com | 12 records |
✅ Authoritative Response
Server:108.162.195.239
NS records: marge.ns.cloudflare.com, vicente.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 51cjzb.com (unsigned zone)
⏱️ Timing
Total: 155ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.216.98, 104.21.51.12 |
| AAAA | 2 | 2606:4700:3030::ac43:d862, 2606:4700:3037::6815:330c |
| NS | 2 | marge.ns.cloudflare.com, vicente.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | marge.ns.cloudflare.com dns.cloudflare.c |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (marge.ns.cloudflare.com, marge.ns.cloudflare.com, marge.ns.cloudflare.com...)
Analysis
IP Addresses
51cjzb.com refers to four IP numbers: 2606:4700:3030::ac43:d862, 2606:4700:3037::6815:330c, 104.21.51.12 and 172.67.216.98.
Other host names, for instance (0x796f756a697a7a).world, entretenimentogarantido.com.br, ifsnow.com, statusavto.az and sareemail.com share IP numbers with 51cjzb.com.
Name Servers
51cjzb.com's delegation uses two name servers: marge.ns.cloudflare.com and vicente.ns.cloudflare.com.
51cjzb.com uses the same name server setup as other domains, such as bf-55.net, 88bjogo.com.br, ckkbet.com.br, 982bet.org and popwb.bet.
51cjzb.com at least partially shares name servers with other domains, including insolvencni-rejstrik.cz, srug.net, europa-bedrijfswagens.nl, buy368.com and lanrang.cn.
These name servers are often used with desiree.ns.cloudflare.com and braelyn.ns.cloudflare.com.
Host names with six IP numbers:
marge.ns.cloudflare.com points to 2606:4700:50::adf5:3abf, 2803:f800:50::6ca2:c0bf, 2a06:98c1:50::ac40:20bf, 108.162.192.191, 172.64.32.191 and 173.245.58.191.
vicente.ns.cloudflare.com points to 2606:4700:58::a29f:2cef, 2803:f800:50::6ca2:c3ef, 2a06:98c1:50::ac40:23ef, 108.162.195.239, 162.159.44.239 and 172.64.35.239.