leb.zeronoiseclassroom.com - robtex.com

leb.zeronoiseclassroom.com

DNSSEC⚠️ Not signed
A104.21.87.187Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.145.156🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.87.187, 172.67.145.156

zeronoiseclassroom.com

DNSSEC⚠️ Not signed
A104.21.87.187Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.145.156🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSadel.ns.cloudflare.com ⭐
NSned.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.87.187, 172.67.145.156
SOAadel.ns.cloudflare.comdns@cloudflare.com serial=2399624732
⚠️ On DNS blocklist: tif
📈 Tranco rank: #996,334

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DNS History

2 records (2 active, 0 former)

A104.21.87.187172.67.145.156
●A104.21.87.1872026-03-07 → 2026-03-22 · 2 obs
● 2026-03-07 03:12:20
● 2026-03-22 17:38:48
●A172.67.145.1562026-03-07 → 2026-03-22 · 2 obs
● 2026-03-07 03:12:20
● 2026-03-22 17:38:48

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
zeronoiseclassroom.comadel.ns.cloudflare.com, ned.ns.cloudflare.com12 records

✅ Authoritative Response

Server: 108.162.192.55

NS records: adel.ns.cloudflare.com, ned.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for zeronoiseclassroom.com (unsigned zone)

⏱️ Timing

Total: 149ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.87.187, 172.67.145.156
HTTPS1{"priority":1,"target":".","alpn":["h3",

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

leb.zeronoiseclassroom.com points to two IPs: 104.21.87.187 and 172.67.145.156.

Other host names including www.gpscoordinaat.nl, altdeck.co.uk, 7jj7jj.com, playchip.com and nbtianlan.cn share IP numbers with leb.zeronoiseclassroom.com.