www.fourthscience.com - robtex.com

www.fourthscience.com

DNSSEC⚠️ Not signed
A2606:4700:3032::6815:1fec🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3034::ac43:b4c1🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.31.236Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.180.193🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.31.236, 172.67.180.193
IPv62606:4700:3032::6815:1fec, 2606:4700:3034::ac43:b4c1

fourthscience.com

DNSSEC⚠️ Not signed
A2606:4700:3032::6815:1fec🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3034::ac43:b4c1🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.31.236Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.180.193🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSarmfazh.ns.cloudflare.com ⭐
NSnelly.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.31.236, 172.67.180.193
IPv62606:4700:3032::6815:1fec, 2606:4700:3034::ac43:b4c1
SOAarmfazh.ns.cloudflare.comdns@cloudflare.com serial=2397782517
⚠️ On DNS blocklist: tif

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DNS History

4 records (4 active, 0 former)

A104.21.31.236172.67.180.1932606:4700:3032::6815:1fec2606:4700:3034::ac43:b4c1
●A104.21.31.2362026-03-08 → 2026-03-28 · 2 obs
● 2026-03-08 21:42:02
● 2026-03-28 19:09:34
●A172.67.180.1932026-03-08 → 2026-03-28 · 2 obs
● 2026-03-08 21:42:02
● 2026-03-28 19:09:34
●A2606:4700:3032::6815:1fec2026-03-08 → 2026-03-28 · 2 obs
● 2026-03-08 21:42:02
● 2026-03-28 19:09:34
●A2606:4700:3034::ac43:b4c12026-03-08 → 2026-03-28 · 2 obs
● 2026-03-08 21:42:02
● 2026-03-28 19:09:34

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comi.gtld-servers.net, d.gtld-servers.net, k.gtld-servers.net, l.gtld-servers.net...-
fourthscience.comnelly.ns.cloudflare.com, armfazh.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.195.104

NS records: nelly.ns.cloudflare.com, armfazh.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for fourthscience.com (unsigned zone)

⏱️ Timing

Total: 126ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.31.236, 172.67.180.193
AAAA22606:4700:3034::ac43:b4c1, 2606:4700:3032::6815:1fec
HTTPS1{"priority":1,"target":".","alpn":["h3",

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

www.fourthscience.com resolves to four IPs: 2606:4700:3032::6815:1fec, 2606:4700:3034::ac43:b4c1, 104.21.31.236 and 172.67.180.193.

Other host names such as skillpath.net, dajingtang.cn, www.goldnode.com, ssengrs.com and lucky-dream-7e11.gamochbasch121582.workers.dev share IP numbers with www.fourthscience.com.