51-test.net - robtex.com

51-test.net

DNSSEC⚠️ Not signed
A2606:4700:3030::6815:3774🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3032::ac43:93fc🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.55.116Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.147.252🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSabdullah.ns.cloudflare.com ⭐
A2606:4700:58::a29f:2ccb🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRabdullah.ns.cloudflare.com
A2803:f800:50::6ca2:c3cb🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRabdullah.ns.cloudflare.com
A2a06:98c1:50::ac40:23cb🇺🇸 Cloudflare2a06:98c1:50::/45
PTRabdullah.ns.cloudflare.com
A108.162.195.203🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRabdullah.ns.cloudflare.com
A162.159.44.203Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRabdullah.ns.cloudflare.com
A172.64.35.203🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRabdullah.ns.cloudflare.com
NSdorthy.ns.cloudflare.com
A2606:4700:50::adf5:3af9🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdorthy.ns.cloudflare.com
A2803:f800:50::6ca2:c0f9🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRdorthy.ns.cloudflare.com
A2a06:98c1:50::ac40:20f9🇺🇸 Cloudflare2a06:98c1:50::/45
PTRdorthy.ns.cloudflare.com
A108.162.192.249🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdorthy.ns.cloudflare.com
A172.64.32.249🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdorthy.ns.cloudflare.com
A173.245.58.249🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdorthy.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.55.116, 172.67.147.252
IPv6 hints2606:4700:3030::6815:3774, 2606:4700:3032::ac43:93fc
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=194, name=cloudflare-ech.com
SOAabdullah.ns.cloudflare.comdns@cloudflare.com serial=2409362310

net

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=1784496887

Same first word

51-test.net
51-test.com

DNS History

8 records (6 active, 2 former)

NSabdullah.ns.cloudflare.comdorthy.ns.cloudflare.comA104.21.55.116172.67.147.2522606:4700:3030::6815:37742606:4700:3032::ac43:93fc2606:4700:3032::6815:37742606:4700:3036::ac43:93fc
●NSabdullah.ns.cloudflare.com2026-05-17 → 2026-07-19 · 2 obs
● 2026-05-17 05:24:02
● 2026-07-19 21:47:32
●NSdorthy.ns.cloudflare.com2026-05-17 → 2026-07-19 · 2 obs
● 2026-05-17 05:24:02
● 2026-07-19 21:47:32
●A104.21.55.1162026-05-17 → 2026-07-19 · 2 obs
● 2026-05-17 05:24:02
● 2026-07-19 21:47:32
●A172.67.147.2522026-05-17 → 2026-07-19 · 2 obs
● 2026-05-17 05:24:02
● 2026-07-19 21:47:32
●A2606:4700:3030::6815:37742026-07-09 → 2026-07-19 · 3 obs
○ 2026-05-17 05:24:02
● 2026-07-09 04:34:52
● 2026-07-19 21:47:32
○A2606:4700:3032::6815:37742026-05-17 → 2026-05-17 · 3 obs
● 2026-05-17 05:24:02
○ 2026-07-09 04:34:52
○ 2026-07-19 21:47:32
●A2606:4700:3032::ac43:93fc2026-07-09 → 2026-07-19 · 3 obs
○ 2026-05-17 05:24:02
● 2026-07-09 04:34:52
● 2026-07-19 21:47:32
○A2606:4700:3036::ac43:93fc2026-05-17 → 2026-05-17 · 3 obs
● 2026-05-17 05:24:02
○ 2026-07-09 04:34:52
○ 2026-07-19 21:47:32

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
netd.gtld-servers.net, h.gtld-servers.net, g.gtld-servers.net, a.gtld-servers.net...-
51-test.netdorthy.ns.cloudflare.com, abdullah.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.35.203

NS records: dorthy.ns.cloudflare.com, abdullah.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 51-test.net (unsigned zone)

⏱️ Timing

Total: 1322ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.55.116, 172.67.147.252
AAAA22606:4700:3032::ac43:93fc, 2606:4700:3030::6815:3774
NS2abdullah.ns.cloudflare.com, dorthy.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1abdullah.ns.cloudflare.com dns.cloudflar

Analysis

IP Addresses

51-test.net has four IP addresses: 104.21.55.116, 172.67.147.252, 2606:4700:3030::6815:3774 and 2606:4700:3032::ac43:93fc.

Among the host names that share IP numbers with 51-test.net are 225liter.de, www.ourhood.co.za, viagemadubai.com and two others.

Name Servers

DNS delegation for 51-test.net points to two name servers: abdullah.ns.cloudflare.com and dorthy.ns.cloudflare.com.

51-test.net has the same name server delegation as a number of other domains, such as gd-gvp.com, china-bankcard.com, ahmedalabbasi.com and two more.

51-test.net shares at least some of its name servers with other domains, including bap(0x787878).com, dwbbk.com, flowerpowercoffee.com and two others.

These name servers are frequently seen alongside the name servers rayden.ns.cloudflare.com, aleena.ns.cloudflare.com, olga.ns.cloudflare.com and maria.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

abdullah.ns.cloudflare.com has IP addresses 108.162.195.203, 162.159.44.203 and 172.64.35.203, plus 3 other.

dorthy.ns.cloudflare.com has IP addresses 108.162.192.249, 172.64.32.249 and 173.245.58.249, plus 3 other.