51sxd.com - robtex.com

51sxd.com

DNSSEC⚠️ Not signed
A2606:4700:3030::6815:3505🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3032::ac43:cec9🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.53.5Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.206.201🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSmonroe.ns.cloudflare.com ⭐
A2606:4700:50::a29f:2699🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmonroe.ns.cloudflare.com
A2803:f800:50::6ca2:c299🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRmonroe.ns.cloudflare.com
A2a06:98c1:50::ac40:2299🇺🇸 Cloudflare2a06:98c1:50::/45
PTRmonroe.ns.cloudflare.com
A108.162.194.153🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmonroe.ns.cloudflare.com
A162.159.38.153Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmonroe.ns.cloudflare.com
A172.64.34.153🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmonroe.ns.cloudflare.com
NSrazvan.ns.cloudflare.com
A2606:4700:58::a29f:2c4d🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRrazvan.ns.cloudflare.com
A2803:f800:50::6ca2:c34d🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRrazvan.ns.cloudflare.com
A2a06:98c1:50::ac40:234d🇺🇸 Cloudflare2a06:98c1:50::/45
PTRrazvan.ns.cloudflare.com
A108.162.195.77🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRrazvan.ns.cloudflare.com
A162.159.44.77Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRrazvan.ns.cloudflare.com
A172.64.35.77🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRrazvan.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.53.5, 172.67.206.201
IPv62606:4700:3030::6815:3505, 2606:4700:3032::ac43:cec9
SOAmonroe.ns.cloudflare.comdns@cloudflare.com serial=2395861007

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

51sxd.com

Similar names

51sdx.com
51dsx.cn
x15ds.com
51xds.com
dxs51.com

DNS History

10 records (6 active, 4 former)

20162017201820192020202120222023202420252026NSmonroe.ns.cloudflare.comrazvan.ns.cloudflare.comdns.bizcn.comns7.cnmsn.netns8.cnmsn.netA104.21.53.5172.67.206.2012606:4700:3030::6815:35052606:4700:3032::ac43:cec9114.215.172.140
○NSdns.bizcn.com2015-05-30 → 2017-05-21 · 4 obs
● 2015-05-30 07:58:18
● 2017-05-21 18:47:10
○ 2026-02-22 09:04:42
○ 2026-03-23 21:40:28
●NSmonroe.ns.cloudflare.com2026-02-22 → 2026-03-23 · 3 obs
○ 2017-05-21 18:47:10
● 2026-02-22 09:04:42
● 2026-03-23 21:40:28
○NSns7.cnmsn.net2015-05-30 → 2017-05-21 · 4 obs
● 2015-05-30 07:58:18
● 2017-05-21 18:47:10
○ 2026-02-22 09:04:42
○ 2026-03-23 21:40:28
○NSns8.cnmsn.net2015-05-30 → 2017-05-21 · 4 obs
● 2015-05-30 07:58:18
● 2017-05-21 18:47:10
○ 2026-02-22 09:04:42
○ 2026-03-23 21:40:28
●NSrazvan.ns.cloudflare.com2026-02-22 → 2026-03-23 · 3 obs
○ 2017-05-21 18:47:10
● 2026-02-22 09:04:42
● 2026-03-23 21:40:28
●A104.21.53.52026-02-22 → 2026-03-23 · 3 obs
○ 2017-05-21 18:47:10
● 2026-02-22 09:04:42
● 2026-03-23 21:40:28
○A114.215.172.1402015-05-30 → 2017-05-21 · 4 obs
● 2015-05-30 07:58:18
● 2017-05-21 18:47:10
○ 2026-02-22 09:04:42
○ 2026-03-23 21:40:28
●A172.67.206.2012026-02-22 → 2026-03-23 · 3 obs
○ 2017-05-21 18:47:10
● 2026-02-22 09:04:42
● 2026-03-23 21:40:28
●A2606:4700:3030::6815:35052026-02-22 → 2026-03-23 · 3 obs
○ 2017-05-21 18:47:10
● 2026-02-22 09:04:42
● 2026-03-23 21:40:28
●A2606:4700:3032::ac43:cec92026-02-22 → 2026-03-23 · 3 obs
○ 2017-05-21 18:47:10
● 2026-02-22 09:04:42
● 2026-03-23 21:40:28

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
51sxd.commonroe.ns.cloudflare.com, razvan.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.195.77

NS records: monroe.ns.cloudflare.com, razvan.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 51sxd.com (unsigned zone)

⏱️ Timing

Total: 157ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.206.201, 104.21.53.5
AAAA22606:4700:3032::ac43:cec9, 2606:4700:3030::6815:3505
NS2monroe.ns.cloudflare.com, razvan.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1monroe.ns.cloudflare.com dns.cloudflare.

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

51sxd.com resolves to four IP numbers: 2606:4700:3030::6815:3505, 2606:4700:3032::ac43:cec9, 104.21.53.5 and 172.67.206.201.

Other host names such as hr.squareyards.com, quiz.me, www.edisonpower.com, inlandtech.net and gemfellowship.org share IPs with 51sxd.com.

Name Servers

51sxd.com is delegated to two name servers: monroe.ns.cloudflare.com and razvan.ns.cloudflare.com.

51sxd.com shares the same name server setup as linpintv.com, weklf.com, shsanjian.com, casgrand.com and sylxsm.com.

51sxd.com at least partially shares name servers with other domains, for instance thesmartstartup.co.uk, thailandgek.com, jindabike.cn, sx-sc.com and boyutang.net.

These name servers are commonly used together with guss.ns.cloudflare.com, rodrigo.ns.cloudflare.com and chad.ns.cloudflare.com.

Host names with six IP numbers:

monroe.ns.cloudflare.com points to 2606:4700:50::a29f:2699, 2803:f800:50::6ca2:c299, 2a06:98c1:50::ac40:2299, 108.162.194.153, 162.159.38.153 and 172.64.34.153.

razvan.ns.cloudflare.com points to 2606:4700:58::a29f:2c4d, 2803:f800:50::6ca2:c34d, 2a06:98c1:50::ac40:234d, 108.162.195.77, 162.159.44.77 and 172.64.35.77.