www.knowledge-tools.com - robtex.com
www.knowledge-tools.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3030::6815:cea🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3030::ac43:99e9🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.12.234Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.153.233🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 | 104.21.12.234, 172.67.153.233 | ||||||
| IPv6 | 2606:4700:3030::6815:cea, 2606:4700:3030::ac43:99e9 | ||||||
knowledge-tools.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3030::6815:cea🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3030::ac43:99e9🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.12.234Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.153.233🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | dilbert.ns.cloudflare.com ⭐ | ||||||
| NS | tia.ns.cloudflare.com | ||||||
| MX | e-mail-1.knowledge-tools.com ⭐ | ||||||
| MX | e-mail-2.knowledge-tools.com(2) | ||||||
| TXT | MS=msL01zlmyRn | ||||||
| TXT | dropbox-domain-verification=SFkRj8sKJiqoDQvaWH | ||||||
| TXT | norton-safeweb-site-verification=RIugLL0dsVnUj3GRj5wL5kkS8hF4dfxon5KSH7DuJMGw... | ||||||
| TXT | pinterest-site-verification=vjhQxJGuGUxZAgs4 | ||||||
| TXT | sendgrid-domain-verification=VpMDeucEXMdHcgnORUWOYHIQxZss | ||||||
| TXT | v=spf1 include:mailer.knowledge-tools.com -all | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 | 104.21.12.234, 172.67.153.233 | ||||||
| IPv6 | 2606:4700:3030::6815:cea, 2606:4700:3030::ac43:99e9 | ||||||
| SOA | dilbert.ns.cloudflare.comdns@cloudflare.com serial=2396746075 | ||||||
Same first word
Similar names
DNS History
5 records (4 active, 1 former)
●A104.21.12.2342026-02-17 → 2026-03-25 · 2 obs
● 2026-02-17 20:27:48
● 2026-03-25 07:57:54
● 2026-03-25 07:57:54
●A172.67.153.2332026-02-17 → 2026-03-25 · 2 obs
● 2026-02-17 20:27:48
● 2026-03-25 07:57:54
● 2026-03-25 07:57:54
●A2606:4700:3030::6815:cea2026-02-17 → 2026-03-25 · 2 obs
● 2026-02-17 20:27:48
● 2026-03-25 07:57:54
● 2026-03-25 07:57:54
●A2606:4700:3030::ac43:99e92026-02-17 → 2026-03-25 · 2 obs
● 2026-02-17 20:27:48
● 2026-03-25 07:57:54
● 2026-03-25 07:57:54
○CNAMEknowledge-tools-v1-611165584.us-west-2.elb.amazonaws.com2018-07-21 → 2018-07-21 · 3 obs
● 2018-07-21 23:24:36
○ 2026-02-17 20:27:48
○ 2026-03-25 07:57:54
○ 2026-02-17 20:27:48
○ 2026-03-25 07:57:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| knowledge-tools.com | dilbert.ns.cloudflare.com, tia.ns.cloudflare.com | 12 records |
✅ Authoritative Response
Server:108.162.193.155
NS records: dilbert.ns.cloudflare.com, tia.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for knowledge-tools.com (unsigned zone)
⏱️ Timing
Total: 173ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.12.234, 172.67.153.233 |
| AAAA | 2 | 2606:4700:3030::6815:cea, 2606:4700:3030::ac43:99e9 |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (dilbert.ns.cloudflare.com, dilbert.ns.cloudflare.com, dilbert.ns.cloudflare.com...)
Analysis
IP Addresses
Four IP numbers are pointed to by www.knowledge-tools.com: 2606:4700:3030::6815:cea, 2606:4700:3030::ac43:99e9, 104.21.12.234 and 172.67.153.233.
other host names including hiboucorp.com, qooree.com, tireescort.org, tonicstudy.org and teiedjucxw.black share IP numbers with www.knowledge-tools.com.