51sp.co - robtex.com

51sp.co

DNSSEC⚠️ Not signed
A154.207.77.145🇭🇰 Cloudflare154.207.77.0/24 CMI (Customer Route) ✓ In HTTPS hints
A154.207.77.146🇭🇰 Cloudflare154.207.77.0/24 CMI (Customer Route) ✓ In HTTPS hints
A154.207.127.56🇭🇰 Cloudflare154.207.127.0/24 CMI (Customer Route) ✓ In HTTPS hints
A154.207.127.57🇭🇰 Cloudflare154.207.127.0/24 CMI (Customer Route) ✓ In HTTPS hints
A154.207.252.56🇭🇰 Cloudflare154.207.252.0/24 CMI (Customer Route) ✓ In HTTPS hints
A154.207.252.57🇭🇰 Cloudflare154.207.252.0/24 CMI (Customer Route) ✓ In HTTPS hints
A154.207.253.56🇭🇰 Cloudflare154.207.253.0/24 CMI (Customer Route) ⚠ Not in HTTPS hints
A154.207.253.57🇭🇰 Cloudflare154.207.253.0/24 CMI (Customer Route) ✓ In HTTPS hints
A156.255.123.145🇭🇰 Cloudflare156.255.123.0/24 CMI (Customer Route) ⚠ Not in HTTPS hints
A156.255.123.146🇭🇰 Cloudflare156.255.123.0/24 CMI (Customer Route) ✓ In HTTPS hints
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
NSpeyton.ns.cloudflare.com
A2606:4700:58::adf5:3bdd🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRpeyton.ns.cloudflare.com
A2803:f800:50::6ca2:c1dd🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRpeyton.ns.cloudflare.com
A2a06:98c1:50::ac40:21dd🇺🇸 Cloudflare2a06:98c1:50::/45
PTRpeyton.ns.cloudflare.com
A108.162.193.221🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRpeyton.ns.cloudflare.com
A172.64.33.221🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRpeyton.ns.cloudflare.com
A173.245.59.221🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRpeyton.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ⚠ 2 unhinted
IPv4154.207.77.146, 154.207.127.57, 154.207.252.57, 154.207.253.57, 156.255.123.146, 154.207.77.145, 154.207.127.56, 154.207.252.56
SOAolivia.ns.cloudflare.comdns@cloudflare.com serial=2398692171

co

DNSSEC🔒 Signed (DS record present)
NSns0.centralnic.net ⭐
NSa.registrydns.co
NSb.registrydns.co
NSc.registrydns.co
NSd.registrydns.co
SOAns0.centralnic.nethostmaster@centralnic.net serial=1759615358

Subdomains

551.51sp.co

Same first word

51sp.com
51sp.me
51sp.co

Similar names

ps15.de
15ps.de
sp51.gdynia.pl
15ps.com
sp51.com
ps15.ru
sp15.eu
ps15.org
15sp.com
sp51.ru
ps15.com
sp15.com
sp15.konin.pl
15sp.net
sp15.krakow.pl
ps51.com
sp15.spb.ru
p51s.xyz
sp15.co.uk
51ps.com
sp15.ru
ps51.net
s5p1.com
p15s.com

DNS History

27 records (12 active, 15 former)

NSolivia.ns.cloudflare.compeyton.ns.cloudflare.comA154.207.127.56154.207.127.57154.207.252.56154.207.252.57154.207.253.56154.207.253.57154.207.77.145154.207.77.146156.255.123.145156.255.123.146154.207.127.49154.207.127.53154.207.127.54154.207.252.49154.207.252.53154.207.252.54154.207.253.49154.207.253.53154.207.253.54154.207.77.139154.207.77.142154.207.77.143156.255.123.139156.255.123.142156.255.123.143
●NSolivia.ns.cloudflare.com2026-03-10 → 2026-03-23 · 2 obs
● 2026-03-10 14:24:58
● 2026-03-23 22:59:52
●NSpeyton.ns.cloudflare.com2026-03-10 → 2026-03-23 · 2 obs
● 2026-03-10 14:24:58
● 2026-03-23 22:59:52
○A154.207.127.492026-03-10 → 2026-03-23 · 2 obs
○ 2026-03-10 14:24:58
○ 2026-03-23 22:59:52
○A154.207.127.532026-03-10 → 2026-03-10 · 3 obs
● 2026-03-10 14:24:58
○ 2026-03-12 19:00:26
○ 2026-03-23 22:59:52
○A154.207.127.542026-03-12 → 2026-03-12 · 4 obs
○ 2026-03-10 14:24:58
● 2026-03-12 19:00:26
○ 2026-03-23 15:17:20
○ 2026-03-23 22:59:52
●A154.207.127.562026-03-23 → 2026-03-23 · 3 obs
○ 2026-03-12 19:00:26
● 2026-03-23 15:17:20
● 2026-03-23 22:59:52
●A154.207.127.572026-03-23 → 2026-03-23 · 3 obs
○ 2026-03-12 19:00:26
● 2026-03-23 15:17:20
● 2026-03-23 22:59:52
○A154.207.252.492026-03-10 → 2026-03-23 · 2 obs
○ 2026-03-10 14:24:58
○ 2026-03-23 22:59:52
○A154.207.252.532026-03-10 → 2026-03-10 · 3 obs
● 2026-03-10 14:24:58
○ 2026-03-12 19:00:26
○ 2026-03-23 22:59:52
○A154.207.252.542026-03-12 → 2026-03-12 · 4 obs
○ 2026-03-10 14:24:58
● 2026-03-12 19:00:26
○ 2026-03-23 15:17:20
○ 2026-03-23 22:59:52
●A154.207.252.562026-03-23 → 2026-03-23 · 3 obs
○ 2026-03-12 19:00:26
● 2026-03-23 15:17:20
● 2026-03-23 22:59:52
●A154.207.252.572026-03-23 → 2026-03-23 · 3 obs
○ 2026-03-12 19:00:26
● 2026-03-23 15:17:20
● 2026-03-23 22:59:52
○A154.207.253.492026-03-10 → 2026-03-23 · 2 obs
○ 2026-03-10 14:24:58
○ 2026-03-23 22:59:52
○A154.207.253.532026-03-10 → 2026-03-10 · 3 obs
● 2026-03-10 14:24:58
○ 2026-03-12 19:00:26
○ 2026-03-23 22:59:52
○A154.207.253.542026-03-12 → 2026-03-12 · 4 obs
○ 2026-03-10 14:24:58
● 2026-03-12 19:00:26
○ 2026-03-23 15:17:20
○ 2026-03-23 22:59:52
●A154.207.253.562026-03-23 → 2026-03-23 · 3 obs
○ 2026-03-12 19:00:26
● 2026-03-23 15:17:20
● 2026-03-23 22:59:52
●A154.207.253.572026-03-23 → 2026-03-23 · 3 obs
○ 2026-03-12 19:00:26
● 2026-03-23 15:17:20
● 2026-03-23 22:59:52
○A154.207.77.1392026-03-10 → 2026-03-23 · 2 obs
○ 2026-03-10 14:24:58
○ 2026-03-23 22:59:52
○A154.207.77.1422026-03-10 → 2026-03-10 · 3 obs
● 2026-03-10 14:24:58
○ 2026-03-12 19:00:26
○ 2026-03-23 22:59:52
○A154.207.77.1432026-03-12 → 2026-03-12 · 4 obs
○ 2026-03-10 14:24:58
● 2026-03-12 19:00:26
○ 2026-03-23 15:17:20
○ 2026-03-23 22:59:52
●A154.207.77.1452026-03-23 → 2026-03-23 · 3 obs
○ 2026-03-12 19:00:26
● 2026-03-23 15:17:20
● 2026-03-23 22:59:52
●A154.207.77.1462026-03-23 → 2026-03-23 · 3 obs
○ 2026-03-12 19:00:26
● 2026-03-23 15:17:20
● 2026-03-23 22:59:52
○A156.255.123.1392026-03-10 → 2026-03-23 · 2 obs
○ 2026-03-10 14:24:58
○ 2026-03-23 22:59:52
○A156.255.123.1422026-03-10 → 2026-03-10 · 3 obs
● 2026-03-10 14:24:58
○ 2026-03-12 19:00:26
○ 2026-03-23 22:59:52
○A156.255.123.1432026-03-12 → 2026-03-12 · 4 obs
○ 2026-03-10 14:24:58
● 2026-03-12 19:00:26
○ 2026-03-23 15:17:20
○ 2026-03-23 22:59:52
●A156.255.123.1452026-03-23 → 2026-03-23 · 3 obs
○ 2026-03-12 19:00:26
● 2026-03-23 15:17:20
● 2026-03-23 22:59:52
●A156.255.123.1462026-03-23 → 2026-03-23 · 3 obs
○ 2026-03-12 19:00:26
● 2026-03-23 15:17:20
● 2026-03-23 22:59:52

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coc.registrydns.co, b.registrydns.co, d.registrydns.co, a.registrydns.co-
51sp.coolivia.ns.cloudflare.com, peyton.ns.cloudflare.com-

✅ Authoritative Response

Server:173.245.59.221

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 51sp.co (unsigned zone)

⏱️ Timing

Total: 906ms | Queries: -

📄 Records

TypeCountSample Data
A10154.207.253.57, 154.207.252.57...
NS2olivia.ns.cloudflare.com, peyton.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1olivia.ns.cloudflare.com dns.cloudflare.

Analysis

Hierarchy

51sp.co is a parent of 551.51sp.co.

IP Addresses

51sp.co points to ten IP numbers: 154.207.77.145, 154.207.77.146, 154.207.127.56, 154.207.127.57, 154.207.252.56, 154.207.252.57, 154.207.253.56, 154.207.253.57, 156.255.123.145 and 156.255.123.146.

Other host names such as appeal.qnqpapnz.com, cancer.lhrllytr.cc, advise.uplkzga.com, attend.xjmbpswl.cc and bag.vtjuwuhs.cc share IP numbers with 51sp.co.

Name Servers

51sp.co is delegated to two name servers: olivia.ns.cloudflare.com and peyton.ns.cloudflare.com.

51sp.co uses the same name server setup as other domains, including idcegqhv.com, liaohu69.com, jjzhjnpr.cc, jnpeqgm.com and 51cga14.com.

At least part of the name servers for 51sp.co are shared with other domains, for instance bangleskart.com, casinoflagman33.com, smev.xyz, youtubemp3.vip and carsq.ru.

These name servers are commonly used alongside the name servers ajay.ns.cloudflare.com.

Host names with six IP numbers:

olivia.ns.cloudflare.com points to: 2606:4700:50::a29f:26dd, 2803:f800:50::6ca2:c2dd, 2a06:98c1:50::ac40:22dd, 108.162.194.221, 162.159.38.221 and 172.64.34.221.

peyton.ns.cloudflare.com points to: 2606:4700:58::adf5:3bdd, 2803:f800:50::6ca2:c1dd, 2a06:98c1:50::ac40:21dd, 108.162.193.221, 172.64.33.221 and 173.245.59.221.