www.expertsystem.com - robtex.com

www.expertsystem.com

DNSSEC⚠️ Not signed
A2606:4700:3034::6815:1867🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::ac43:da2f🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.24.103Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.218.47🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.24.103, 172.67.218.47
IPv6 hints2606:4700:3034::6815:1867, 2606:4700:3035::ac43:da2f
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=219, name=cloudflare-ech.com

expertsystem.com

DNSSEC⚠️ Not signed
A2606:4700:3034::6815:1867🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::ac43:da2f🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.24.103Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.218.47🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSadelaide.ns.cloudflare.com ⭐
NSlars.ns.cloudflare.com
MXexpertsystem-com.mail.protection.outlook.com ⭐
TXTMS=ms60925344
TXTgoogle-site-verification=cO3o4Xeq5h6R_lNXsGL9GuWUx5ql9XrRltG_fnHO6LM
TXTq2m5f0mb3k1t8178f3vmb873a
TXTv=spf1 ip4:13.79.1.90 ip4:168.63.43.147 include:spf.protection.outlook.com -all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.24.103, 172.67.218.47
IPv6 hints2606:4700:3034::6815:1867, 2606:4700:3035::ac43:da2f
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=13, name=cloudflare-ech.com
SOAadelaide.ns.cloudflare.comdns@cloudflare.com serial=2402868003
rank #371702 globally
rank #160169 in the tld

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DNS History

9 records (4 active, 5 former)

2017201820192020202120222023202420252026A104.21.24.103172.67.218.472606:4700:3034::6815:18672606:4700:3035::ac43:da2f188.114.96.0188.114.97.02a06:98c1:3120::2a06:98c1:3121::95.110.243.190
●A104.21.24.1032026-02-20 → 2026-04-28 · 3 obs
○ 2017-02-20 15:29:58
● 2026-02-20 15:14:36
● 2026-04-28 22:10:14
●A172.67.218.472026-02-20 → 2026-04-28 · 3 obs
○ 2017-02-20 15:29:58
● 2026-02-20 15:14:36
● 2026-04-28 22:10:14
○A188.114.96.02026-02-20 → 2026-04-28 · 2 obs
○ 2026-02-20 15:14:36
○ 2026-04-28 22:10:14
○A188.114.97.02026-02-20 → 2026-04-28 · 2 obs
○ 2026-02-20 15:14:36
○ 2026-04-28 22:10:14
●A2606:4700:3034::6815:18672026-02-20 → 2026-04-28 · 3 obs
○ 2017-02-20 15:29:58
● 2026-02-20 15:14:36
● 2026-04-28 22:10:14
●A2606:4700:3035::ac43:da2f2026-02-20 → 2026-04-28 · 3 obs
○ 2017-02-20 15:29:58
● 2026-02-20 15:14:36
● 2026-04-28 22:10:14
○A2a06:98c1:3120::2026-02-20 → 2026-04-28 · 2 obs
○ 2026-02-20 15:14:36
○ 2026-04-28 22:10:14
○A2a06:98c1:3121::2026-02-20 → 2026-04-28 · 2 obs
○ 2026-02-20 15:14:36
○ 2026-04-28 22:10:14
○A95.110.243.1902016-12-28 → 2017-02-20 · 4 obs
● 2016-12-28 17:44:42
● 2017-02-20 15:29:58
○ 2026-02-20 15:14:36
○ 2026-04-28 22:10:14

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...-
expertsystem.comlars.ns.cloudflare.com, adelaide.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.194.1

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

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 168ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.24.103, 172.67.218.47
AAAA22606:4700:3034::6815:1867, 2606:4700:3035::ac43:da2f
HTTPS1{"priority":1,"target":".","alpn":["h3",

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

www.expertsystem.com points to four IP numbers: 2606:4700:3034::6815:1867, 2606:4700:3035::ac43:da2f, 104.21.24.103 and 172.67.218.47.

Other host names, for instance monchat.fr, spkjj.com, cn.3euv.ahyuezhu.com, sfmgs.co.uk and artwinery.com.ua share IP numbers with www.expertsystem.com.