knowledge-tools.com - robtex.com

knowledge-tools.com

DNSSEC⚠️ Not signed
A2606:4700:3030::6815:cea🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3030::ac43:99e9🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.12.234Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.153.233🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSdilbert.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3b9b🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdilbert.ns.cloudflare.com
A2803:f800:50::6ca2:c19b🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRdilbert.ns.cloudflare.com
A2a06:98c1:50::ac40:219b🇺🇸 Cloudflare2a06:98c1:50::/45
PTRdilbert.ns.cloudflare.com
A108.162.193.155🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdilbert.ns.cloudflare.com
A172.64.33.155🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdilbert.ns.cloudflare.com
A173.245.59.155🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdilbert.ns.cloudflare.com
NStia.ns.cloudflare.com
A2606:4700:50::adf5:3ae5🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRtia.ns.cloudflare.com
A2803:f800:50::6ca2:c0e5🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRtia.ns.cloudflare.com
A2a06:98c1:50::ac40:20e5🇺🇸 Cloudflare2a06:98c1:50::/45
PTRtia.ns.cloudflare.com
A108.162.192.229🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRtia.ns.cloudflare.com
A172.64.32.229🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRtia.ns.cloudflare.com
A173.245.58.229🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRtia.ns.cloudflare.com
MXe-mail-1.knowledge-tools.com ⭐
MXe-mail-2.knowledge-tools.com(2)
TXTMS=msL01zlmyRn
TXTdropbox-domain-verification=SFkRj8sKJiqoDQvaWH
TXTnorton-safeweb-site-verification=RIugLL0dsVnUj3GRj5wL5kkS8hF4dfxon5KSH7DuJMGw...
TXTpinterest-site-verification=vjhQxJGuGUxZAgs4
TXTsendgrid-domain-verification=VpMDeucEXMdHcgnORUWOYHIQxZss
TXTv=spf1 include:mailer.knowledge-tools.com -all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.12.234, 172.67.153.233
IPv62606:4700:3030::6815:cea, 2606:4700:3030::ac43:99e9
SOAdilbert.ns.cloudflare.comdns@cloudflare.com serial=2396746075

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1774376642

Subdomains

www.knowledge-tools.com

Same first word

knowledge-tools.com
knowledge-tools.de

DNS History

14 records (8 active, 6 former)

202120222023202420252026NSdilbert.ns.cloudflare.comtia.ns.cloudflare.comns43.domaincontrol.comns44.domaincontrol.comMXe-mail-1.knowledge-tools.come-mail-2.knowledge-tools.commx.zoho.commx2.zoho.commx3.zoho.comA104.21.12.234172.67.153.2332606:4700:3030::6815:cea2606:4700:3030::ac43:99e9184.168.131.233
●NSdilbert.ns.cloudflare.com2026-02-17 → 2026-03-24 · 3 obs
○ 2020-01-07 04:12:06
● 2026-02-17 18:12:38
● 2026-03-24 18:37:08
○NSns43.domaincontrol.com2020-01-07 → 2020-01-07 · 3 obs
● 2020-01-07 04:12:06
○ 2026-02-17 18:12:38
○ 2026-03-24 18:37:08
○NSns44.domaincontrol.com2020-01-07 → 2020-01-07 · 3 obs
● 2020-01-07 04:12:06
○ 2026-02-17 18:12:38
○ 2026-03-24 18:37:08
●NStia.ns.cloudflare.com2026-02-17 → 2026-03-24 · 3 obs
○ 2020-01-07 04:12:06
● 2026-02-17 18:12:38
● 2026-03-24 18:37:08
●MXe-mail-1.knowledge-tools.com2026-02-17 → 2026-03-24 · 3 obs
○ 2020-01-07 04:12:06
● 2026-02-17 18:12:38
● 2026-03-24 18:37:08
●MXe-mail-2.knowledge-tools.com2026-02-17 → 2026-03-24 · 3 obs
○ 2020-01-07 04:12:06
● 2026-02-17 18:12:38
● 2026-03-24 18:37:08
○MXmx.zoho.com2020-01-07 → 2020-01-07 · 3 obs
● 2020-01-07 04:12:06
○ 2026-02-17 18:12:38
○ 2026-03-24 18:37:08
○MXmx2.zoho.com2020-01-07 → 2020-01-07 · 3 obs
● 2020-01-07 04:12:06
○ 2026-02-17 18:12:38
○ 2026-03-24 18:37:08
○MXmx3.zoho.com2020-01-07 → 2020-01-07 · 3 obs
● 2020-01-07 04:12:06
○ 2026-02-17 18:12:38
○ 2026-03-24 18:37:08
●A104.21.12.2342026-02-17 → 2026-03-24 · 3 obs
○ 2020-01-07 04:12:06
● 2026-02-17 18:12:38
● 2026-03-24 18:37:08
●A172.67.153.2332026-02-17 → 2026-03-24 · 3 obs
○ 2020-01-07 04:12:06
● 2026-02-17 18:12:38
● 2026-03-24 18:37:08
○A184.168.131.2332020-01-07 → 2020-01-07 · 3 obs
● 2020-01-07 04:12:06
○ 2026-02-17 18:12:38
○ 2026-03-24 18:37:08
●A2606:4700:3030::6815:cea2026-02-17 → 2026-03-24 · 3 obs
○ 2020-01-07 04:12:06
● 2026-02-17 18:12:38
● 2026-03-24 18:37:08
●A2606:4700:3030::ac43:99e92026-02-17 → 2026-03-24 · 3 obs
○ 2020-01-07 04:12:06
● 2026-02-17 18:12:38
● 2026-03-24 18:37:08

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
knowledge-tools.comdilbert.ns.cloudflare.com, tia.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.192.229

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: 212ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.153.233, 104.21.12.234
AAAA22606:4700:3030::ac43:99e9, 2606:4700:3030::6815:cea
NS2dilbert.ns.cloudflare.com, tia.ns.cloudflare.com
MX2e-mail-1.knowledge-tools.com (pri: 1), e-mail-2.knowledge-tools.com (pri: 2)
TXT6MS=msL01zlmyRn, dropbox-domain-verification=SFkRj8sKJiqo...
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1dilbert.ns.cloudflare.com dns.cloudflare

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

The parent of www.knowledge-tools.com is knowledge-tools.com.

IP Addresses

knowledge-tools.com maps to four IP numbers: 2606:4700:3030::6815:cea, 2606:4700:3030::ac43:99e9, 104.21.12.234 and 172.67.153.233.

Other host names such as bitros.com, www.scat-forums.com, scat-forums.com, sococil.com and petromin.express share IPs with knowledge-tools.com.

Name Servers

Two name servers dilbert.ns.cloudflare.com and tia.ns.cloudflare.com handle the delegation for knowledge-tools.com.

knowledge-tools.com shares the same name server setup as other domains, for example mitofringe.it, polygyros.gr, nws9.com, kibusiness.co and ophimonline5.com.

knowledge-tools.com at least partially shares name servers with other domains, for example nrcir.org, welovepost.com, hot(0x736578).today, sklep-forever.pl and propertymarketinsights.com.

Host names with six IP numbers:

dilbert.ns.cloudflare.com points to 2606:4700:58::adf5:3b9b, 2803:f800:50::6ca2:c19b, 2a06:98c1:50::ac40:219b, 108.162.193.155, 172.64.33.155 and 173.245.59.155.

tia.ns.cloudflare.com points to 2606:4700:50::adf5:3ae5, 2803:f800:50::6ca2:c0e5, 2a06:98c1:50::ac40:20e5, 108.162.192.229, 172.64.32.229 and 173.245.58.229.

Mail Servers

Two mail servers handle knowledge-tools.com: e-mail-1.knowledge-tools.com and e-mail-2.knowledge-tools.com.