51-master.com - robtex.com

51-master.com

DNSSEC⚠️ Not signed
A2606:4700:3032::ac43:be20🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3033::6815:a6e🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.10.110Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.190.32🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSjohnathan.ns.cloudflare.com ⭐
A2606:4700:58::a29f:2c2c🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjohnathan.ns.cloudflare.com
A2803:f800:50::6ca2:c32c🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRjohnathan.ns.cloudflare.com
A2a06:98c1:50::ac40:232c🇺🇸 Cloudflare2a06:98c1:50::/45
PTRjohnathan.ns.cloudflare.com
A108.162.195.44🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjohnathan.ns.cloudflare.com
A162.159.44.44Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjohnathan.ns.cloudflare.com
A172.64.35.44🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjohnathan.ns.cloudflare.com
NSmonika.ns.cloudflare.com
A2606:4700:50::a29f:2638🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmonika.ns.cloudflare.com
A2803:f800:50::6ca2:c238🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRmonika.ns.cloudflare.com
A2a06:98c1:50::ac40:2238🇺🇸 Cloudflare2a06:98c1:50::/45
PTRmonika.ns.cloudflare.com
A108.162.194.56🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmonika.ns.cloudflare.com
A162.159.38.56Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmonika.ns.cloudflare.com
A172.64.34.56🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmonika.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.10.110, 172.67.190.32
IPv62606:4700:3032::ac43:be20, 2606:4700:3033::6815:a6e
SOAjohnathan.ns.cloudflare.comdns@cloudflare.com serial=2397589267

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=1771291435

Same first word

51-master.com

DNS History

12 records (6 active, 6 former)

20162017201820192020202120222023202420252026NSjohnathan.ns.cloudflare.commonika.ns.cloudflare.comf1g1ns1.dnspod.netf1g1ns2.dnspod.netjuming.dnsdun.comjuming.dnsdun.netA104.21.10.110172.67.190.322606:4700:3032::ac43:be202606:4700:3033::6815:a6e125.88.181.62172.252.3.164
○NSf1g1ns1.dnspod.net2015-08-12 → 2016-03-23 · 4 obs
● 2015-08-12 16:14:08
● 2016-03-23 12:10:58
○ 2016-07-16 13:10:34
○ 2026-03-23 08:59:18
○NSf1g1ns2.dnspod.net2015-08-12 → 2016-03-23 · 4 obs
● 2015-08-12 16:14:08
● 2016-03-23 12:10:58
○ 2016-07-16 13:10:34
○ 2026-03-23 08:59:18
●NSjohnathan.ns.cloudflare.com2026-02-16 → 2026-03-23 · 3 obs
○ 2017-04-10 17:36:44
● 2026-02-16 11:35:22
● 2026-03-23 08:59:18
○NSjuming.dnsdun.com2017-04-10 → 2017-04-10 · 4 obs
○ 2016-07-16 13:10:34
● 2017-04-10 17:36:44
○ 2026-02-16 11:35:22
○ 2026-03-23 08:59:18
○NSjuming.dnsdun.net2017-04-10 → 2017-04-10 · 4 obs
○ 2016-07-16 13:10:34
● 2017-04-10 17:36:44
○ 2026-02-16 11:35:22
○ 2026-03-23 08:59:18
●NSmonika.ns.cloudflare.com2026-02-16 → 2026-03-23 · 3 obs
○ 2017-04-10 17:36:44
● 2026-02-16 11:35:22
● 2026-03-23 08:59:18
●A104.21.10.1102026-02-16 → 2026-03-23 · 3 obs
○ 2017-04-10 17:36:44
● 2026-02-16 11:35:22
● 2026-03-23 08:59:18
○A125.88.181.622015-08-12 → 2016-03-23 · 4 obs
● 2015-08-12 16:14:08
● 2016-03-23 12:10:58
○ 2016-07-16 13:10:34
○ 2026-03-23 08:59:18
○A172.252.3.1642017-04-10 → 2017-04-10 · 4 obs
○ 2016-07-16 13:10:34
● 2017-04-10 17:36:44
○ 2026-02-16 11:35:22
○ 2026-03-23 08:59:18
●A172.67.190.322026-02-16 → 2026-03-23 · 3 obs
○ 2017-04-10 17:36:44
● 2026-02-16 11:35:22
● 2026-03-23 08:59:18
●A2606:4700:3032::ac43:be202026-02-16 → 2026-03-23 · 3 obs
○ 2017-04-10 17:36:44
● 2026-02-16 11:35:22
● 2026-03-23 08:59:18
●A2606:4700:3033::6815:a6e2026-02-16 → 2026-03-23 · 3 obs
○ 2017-04-10 17:36:44
● 2026-02-16 11:35:22
● 2026-03-23 08:59:18

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
51-master.commonika.ns.cloudflare.com, johnathan.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.195.44

NS records: monika.ns.cloudflare.com, johnathan.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 51-master.com (unsigned zone)

⏱️ Timing

Total: 143ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.190.32, 104.21.10.110
AAAA22606:4700:3033::6815:a6e, 2606:4700:3032::ac43:be20
NS2johnathan.ns.cloudflare.com, monika.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1johnathan.ns.cloudflare.com dns.cloudfla

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

51-master.com points to four IP numbers: 2606:4700:3032::ac43:be20, 2606:4700:3033::6815:a6e, 104.21.10.110 and 172.67.190.32.

Other host names, for instance mu8xteam.com, fzinf.cn, projects.designnhost.com, zoofilia(0x706f726e).net and pideltapi.com share IP numbers with 51-master.com.

Name Servers

51-master.com is delegated to two name servers: johnathan.ns.cloudflare.com and monika.ns.cloudflare.com.

51-master.com uses the same name server setup as other domains, for instance 5xwin.ru, heathens.ca, harlothub.net, burkecommunity.org and cookie.pe.kr.

51-master.com shares name servers with other domains at least partially, for instance aistoman.com, lacolla.net, weareprocarrier.com, ukoyewi.top and ilovehansel.com.

these name servers are commonly used together with emely.ns.cloudflare.com and hasslo.ns.cloudflare.com.

Host names with six IP numbers: johnathan.ns.cloudflare.com points to 2606:4700:58::a29f:2c2c, 2803:f800:50::6ca2:c32c, 2a06:98c1:50::ac40:232c, 108.162.195.44, 162.159.44.44 and 172.64.35.44; monika.ns.cloudflare.com points to 2606:4700:50::a29f:2638, 2803:f800:50::6ca2:c238, 2a06:98c1:50::ac40:2238, 108.162.194.56, 162.159.38.56 and 172.64.34.56.