51zxd.com - robtex.com

51zxd.com

DNSSEC⚠️ Not signed
A2606:4700:3034::6815:4e3c🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:d939🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.78.60Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.217.57🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSalexia.ns.cloudflare.com ⭐
A2606:4700:50::a29f:26af🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRalexia.ns.cloudflare.com
A2803:f800:50::6ca2:c2af🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRalexia.ns.cloudflare.com
A2a06:98c1:50::ac40:22af🇺🇸 Cloudflare2a06:98c1:50::/45
PTRalexia.ns.cloudflare.com
A108.162.194.175🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRalexia.ns.cloudflare.com
A162.159.38.175Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRalexia.ns.cloudflare.com
A172.64.34.175🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRalexia.ns.cloudflare.com
NSbrady.ns.cloudflare.com
A2606:4700:58::a29f:2cd7🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbrady.ns.cloudflare.com
A2803:f800:50::6ca2:c3d7🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRbrady.ns.cloudflare.com
A2a06:98c1:50::ac40:23d7🇺🇸 Cloudflare2a06:98c1:50::/45
PTRbrady.ns.cloudflare.com
A108.162.195.215🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbrady.ns.cloudflare.com
A162.159.44.215Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbrady.ns.cloudflare.com
A172.64.35.215🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbrady.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.78.60, 172.67.217.57
IPv6 hints2606:4700:3034::6815:4e3c, 2606:4700:3037::ac43:d939
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=52, name=cloudflare-ech.com
SOAalexia.ns.cloudflare.comdns@cloudflare.com serial=2400603490

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=1775172357

Same first word

51zxd.com

Similar names

51dzx.net
51xdz.com
51dzx.com

DNS History

10 records (6 active, 4 former)

20162017201820192020202120222023202420252026NSalexia.ns.cloudflare.combrady.ns.cloudflare.comdns10.hichina.comdns9.hichina.comns1.julydns.comns2.julydns.comA104.21.78.60172.67.217.572606:4700:3034::6815:4e3c2606:4700:3037::ac43:d939
●NSalexia.ns.cloudflare.com2026-04-02 → 2026-04-02 · 2 obs
○ 2017-05-21 16:18:16
● 2026-04-02 23:32:44
●NSbrady.ns.cloudflare.com2026-04-02 → 2026-04-02 · 2 obs
○ 2017-05-21 16:18:16
● 2026-04-02 23:32:44
○NSdns10.hichina.com2015-06-02 → 2017-05-21 · 3 obs
● 2015-06-02 18:45:54
● 2017-05-21 16:18:16
○ 2026-04-02 23:32:44
○NSdns9.hichina.com2015-06-02 → 2017-05-21 · 3 obs
● 2015-06-02 18:45:54
● 2017-05-21 16:18:16
○ 2026-04-02 23:32:44
○NSns1.julydns.com2026-04-02 → 2026-04-02 · 1 obs
○ 2026-04-02 23:32:44
○NSns2.julydns.com2026-04-02 → 2026-04-02 · 1 obs
○ 2026-04-02 23:32:44
●A104.21.78.602026-04-02 → 2026-04-02 · 1 obs
● 2026-04-02 23:32:44
●A172.67.217.572026-04-02 → 2026-04-02 · 1 obs
● 2026-04-02 23:32:44
●A2606:4700:3034::6815:4e3c2026-04-02 → 2026-04-02 · 1 obs
● 2026-04-02 23:32:44
●A2606:4700:3037::ac43:d9392026-04-02 → 2026-04-02 · 1 obs
● 2026-04-02 23:32:44

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, i.gtld-servers.net, h.gtld-servers.net, g.gtld-servers.net...-
51zxd.comalexia.ns.cloudflare.com, brady.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.195.215

NS records: alexia.ns.cloudflare.com, brady.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 155ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.78.60, 172.67.217.57
AAAA22606:4700:3037::ac43:d939, 2606:4700:3034::6815:4e3c
NS2alexia.ns.cloudflare.com, brady.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1alexia.ns.cloudflare.com dns.cloudflare.

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

51zxd.com points to four IP numbers: 2606:4700:3034::6815:4e3c, 2606:4700:3037::ac43:d939, 104.21.78.60 and 172.67.217.57.

Other host names, for instance www.celetel.com, servicarsport.com, ionbit.id, localnotes.us and wi11.co.uk share IP numbers with 51zxd.com.

Name Servers

Delegation for 51zxd.com rests with two name servers, alexia.ns.cloudflare.com and brady.ns.cloudflare.com.

51zxd.com shares the same name server setup as other domains, including luxon.cc, glenrocknj.net, wangfeng888.com, dlsys.cn and ldeq.cn.

51zxd.com at least partially shares name servers with other domains, for instance datatoolkit.net, salazarpackaging.com, 924882.com, calbarfoundation.org and shanshuitour.com.

These name servers are commonly used alongside plato.ns.cloudflare.com, garret.ns.cloudflare.com, lilyana.ns.cloudflare.com and meadow.ns.cloudflare.com.

Host names with six IP numbers: alexia.ns.cloudflare.com points to: 2606:4700:50::a29f:26af, 2803:f800:50::6ca2:c2af, 2a06:98c1:50::ac40:22af, 108.162.194.175, 162.159.38.175 and 172.64.34.175. brady.ns.cloudflare.com points to: 2606:4700:58::a29f:2cd7, 2803:f800:50::6ca2:c3d7, 2a06:98c1:50::ac40:23d7, 108.162.195.215, 162.159.44.215 and 172.64.35.215.