testserver.lczero.org - robtex.com

testserver.lczero.org

DNSSEC⚠️ Not signed
A2606:4700:3032::ac43:9202🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::6815:aa3🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.10.163Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.146.2🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.10.163, 172.67.146.2
IPv62606:4700:3032::ac43:9202, 2606:4700:3035::6815:aa3

lczero.org

DNSSEC⚠️ Not signed
A2606:4700:3032::ac43:9202🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::6815:aa3🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.10.163Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.146.2🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSlars.ns.cloudflare.com ⭐
NSsharon.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.10.163, 172.67.146.2
IPv62606:4700:3032::ac43:9202, 2606:4700:3035::6815:aa3
SOAlars.ns.cloudflare.comdns@cloudflare.com serial=2398658500
WOT: SAFE (62/100)
rank #422891 globally
rank #32123 in the tld
WOT: SAFE (77/100)
📈 Tranco rank: #202,032

Same first word

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streetrevs.net
servertest.net
servertest.cz
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DNS History

4 records (4 active, 0 former)

A104.21.10.163172.67.146.22606:4700:3032::ac43:92022606:4700:3035::6815:aa3
●A104.21.10.1632026-03-23 → 2026-03-30 · 2 obs
● 2026-03-23 09:59:30
● 2026-03-30 06:07:10
●A172.67.146.22026-03-23 → 2026-03-30 · 2 obs
● 2026-03-23 09:59:30
● 2026-03-30 06:07:10
●A2606:4700:3032::ac43:92022026-03-23 → 2026-03-30 · 2 obs
● 2026-03-23 09:59:30
● 2026-03-30 06:07:10
●A2606:4700:3035::6815:aa32026-03-23 → 2026-03-30 · 2 obs
● 2026-03-23 09:59:30
● 2026-03-30 06:07:10

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgb2.org.afilias-nst.org, d0.org.afilias-nst.org, b0.org.afilias-nst.org-
lczero.orgsharon.ns.cloudflare.com, lars.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.32.221

NS records: sharon.ns.cloudflare.com, lars.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for lczero.org (unsigned zone)

⏱️ Timing

Total: 214ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.10.163, 172.67.146.2
AAAA22606:4700:3032::ac43:9202, 2606:4700:3035::6815:aa3
HTTPS1{"priority":1,"target":".","alpn":["h3",

Analysis

IP Addresses

testserver.lczero.org points to four IP numbers: 2606:4700:3032::ac43:9202, 2606:4700:3035::6815:aa3, 104.21.10.163 and 172.67.146.2.

Other host names including gov.cn.15.zhobe.com, halekulanicorporation.com, wxxdb.com, appcrib.com and cstb.it share IP numbers with testserver.lczero.org.