51kop.com - robtex.com
51kop.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3032::ac43:8bb5🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3037::6815:8a1🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.8.161Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.139.181🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | jerry.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:58::adf5:3bb6🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | jerry.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c1b6🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | jerry.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:21b6🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | jerry.ns.cloudflare.com | ||||||
| A | 108.162.193.182🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | jerry.ns.cloudflare.com | ||||||
| A | 172.64.33.182🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | jerry.ns.cloudflare.com | ||||||
| A | 173.245.59.182🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | jerry.ns.cloudflare.com | ||||||
| NS | rihana.ns.cloudflare.com | ||||||
| A | 2606:4700:50::adf5:3af4🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | rihana.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c0f4🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | rihana.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:20f4🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | rihana.ns.cloudflare.com | ||||||
| A | 108.162.192.244🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | rihana.ns.cloudflare.com | ||||||
| A | 172.64.32.244🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | rihana.ns.cloudflare.com | ||||||
| A | 173.245.58.244🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | rihana.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 | 104.21.8.161, 172.67.139.181 | ||||||
| IPv6 | 2606:4700:3032::ac43:8bb5, 2606:4700:3037::6815:8a1 | ||||||
| SOA | jerry.ns.cloudflare.comdns@cloudflare.com serial=2399436793 | ||||||
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=1771291435 | ||||||
Similar names
DNS History
11 records (6 active, 5 former)
○NSdns11.hichina.com2015-05-16 → 2017-04-05 · 3 obs
● 2017-04-05 14:31:42
○ 2026-03-21 15:28:24
○NSdns12.hichina.com2015-05-16 → 2017-04-05 · 3 obs
● 2017-04-05 14:31:42
○ 2026-03-21 15:28:24
●NSjerry.ns.cloudflare.com2026-03-21 → 2026-03-21 · 2 obs
● 2026-03-21 15:28:24
●NSrihana.ns.cloudflare.com2026-03-21 → 2026-03-21 · 2 obs
● 2026-03-21 15:28:24
○MXmxbiz1.qq.com2015-05-16 → 2017-04-05 · 3 obs
● 2017-04-05 14:31:42
○ 2026-03-21 15:28:24
○MXmxbiz2.qq.com2015-05-16 → 2017-04-05 · 3 obs
● 2017-04-05 14:31:42
○ 2026-03-21 15:28:24
●A104.21.8.1612026-03-21 → 2026-03-21 · 2 obs
● 2026-03-21 15:28:24
○A111.40.214.772015-05-16 → 2017-04-05 · 3 obs
● 2017-04-05 14:31:42
○ 2026-03-21 15:28:24
●A172.67.139.1812026-03-21 → 2026-03-21 · 2 obs
● 2026-03-21 15:28:24
●A2606:4700:3032::ac43:8bb52026-03-21 → 2026-03-21 · 2 obs
● 2026-03-21 15:28:24
●A2606:4700:3037::6815:8a12026-03-21 → 2026-03-21 · 2 obs
● 2026-03-21 15:28:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | b.gtld-servers.net, i.gtld-servers.net, k.gtld-servers.net, a.gtld-servers.net... | - |
| 51kop.com | jerry.ns.cloudflare.com, rihana.ns.cloudflare.com | 12 records |
✅ Authoritative Response
Server: 108.162.193.182
NS records: jerry.ns.cloudflare.com, rihana.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 51kop.com (unsigned zone)
⏱️ Timing
Total: 455ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.139.181, 104.21.8.161 |
| AAAA | 2 | 2606:4700:3037::6815:8a1, 2606:4700:3032::ac43:8bb5 |
| NS | 2 | jerry.ns.cloudflare.com, rihana.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | jerry.ns.cloudflare.com dns.cloudflare.c |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (jerry.ns.cloudflare.com, jerry.ns.cloudflare.com, jerry.ns.cloudflare.com...)
Analysis
IP Addresses
Four IP numbers are pointed to by 51kop.com: 2606:4700:3032::ac43:8bb5, 2606:4700:3037::6815:8a1, 104.21.8.161 and 172.67.139.181.
other host names including creatuasociacion.es, zzguoman.com, ledwich.com.au, cssbrazil.org and frameright.app share IP numbers with 51kop.com.
Name Servers
51kop.com is delegated to two name servers jerry.ns.cloudflare.com and rihana.ns.cloudflare.com.
51kop.com shares the same name server setup as other domains, for instance kav517.com, sfkyl.com, sjzhmf.com, aimubo.com and sefsalihinyeri.com.
51kop.com at least partially shares name servers with other domains, for instance drevio.com, cdperio.com, accessate.net, hkupdates.com and sysec.co.il.
these name servers are often used together with elias.ns.cloudflare.com, harley.ns.cloudflare.com, hera.ns.cloudflare.com and sandy.ns.cloudflare.com.
Host names with six IP numbers:
Host name jerry.ns.cloudflare.com points to: 2606:4700:58::adf5:3bb6, 2803:f800:50::6ca2:c1b6, 2a06:98c1:50::ac40:21b6, 108.162.193.182, 172.64.33.182 and 173.245.59.182.
Host name rihana.ns.cloudflare.com points to: 2606:4700:50::adf5:3af4, 2803:f800:50::6ca2:c0f4, 2a06:98c1:50::ac40:20f4, 108.162.192.244, 172.64.32.244 and 173.245.58.244.