🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`knowledge.tech`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:4f04^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::ac43:8b3a^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.79.4^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.139.58^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`melnicoff.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2cae^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`melnicoff.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3ae^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`melnicoff.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23ae^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`melnicoff.ns.cloudflare.com`
		A	108.162.195.174^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`melnicoff.ns.cloudflare.com`
		A	162.159.44.174^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`melnicoff.ns.cloudflare.com`
		A	172.64.35.174^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`melnicoff.ns.cloudflare.com`
NS	`nucum.ns.cloudflare.com`
		A	2606:4700:50::a29f:2691^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nucum.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c291^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`nucum.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2291^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`nucum.ns.cloudflare.com`
		A	108.162.194.145^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nucum.ns.cloudflare.com`
		A	162.159.38.145^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nucum.ns.cloudflare.com`
		A	172.64.34.145^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nucum.ns.cloudflare.com`
MX	`smtp.google.com` ⭐
		A	2607:f8b0:4004:c1f::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`pd-in-f26.1e100.net`
		A	2607:f8b0:4004:c21::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`pe-in-f26.1e100.net`
		A	2607:f8b0:4004:c21::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`pe-in-f27.1e100.net`
		A	2607:f8b0:4004:c25::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`yuiadtq-in-f26.1e100.net`
		A	64.233.180.26^{🇺🇸 Google64.233.180.0/24}
			PTR	`on-in-f26.1e100.net`
			PTR	`pe-in-f26.1e100.net`
		A	64.233.180.27^{🇺🇸 Google64.233.180.0/24}
			PTR	`on-in-f27.1e100.net`
			PTR	`pe-in-f27.1e100.net`
		A	142.251.179.26^{🇺🇸 Google142.251.179.0/24}
			PTR	`pd-in-f26.1e100.net`
		A	173.194.45.27^{🇺🇸 Google173.194.0.0/16}
			PTR	`yuiadum-in-f27.1e100.net`
		A	192.178.218.27^{🇺🇸 Google192.178.218.0/24}
			PTR	`yuiadtq-in-f27.1e100.net`
TXT	`facebook-domain-verification=30q3oy78el3w7prnox4kwmtex64goa`
TXT	`google-site-verification=8EH-LSFN9r9YtpjLJkKG6MAOW511dIKmZfUBnl-058o`
TXT	`google-site-verification=_KREP5e4i-vxXzg5NDKaoHaoAen-ihCHJzxhplvDHyk`
TXT	`google-site-verification=fcmP79JbfkWT_VWgCoHA5joai3Cujj2tlb99ZmaNNs8`
TXT	`google-site-verification=rNtQ6hoofZU5hiLvKHhbXRdZW6iQOU7uw4jOF9Dewmg`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
TXT	`v=verifydomain MS=2099895`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.79.4, 172.67.139.58
		IPv6 hints	2606:4700:3030::6815:4f04, 2606:4700:3034::ac43:8b3a
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=235, name=cloudflare-ech.com
SOA	`melnicoff.ns.cloudflare.com`dns@cloudflare.com serial=2412301417

`tech`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns01.trs-dns.com` ⭐
	NS	`ns.trs-dns.com`
	NS	`ns01.trs-dns.net`
	NS	`ns10.trs-dns.info`
	NS	`ns10.trs-dns.org`
	SOA	`ns.trs-dns.com`trs-ops@tucows.com serial=1786855740

Same first word

knowledge.be

knowledge.com

knowledge.org

knowledge.kz

knowledge.ie

knowledge.net

knowledge.com.br

knowledge.tank.jp

knowledge.company

knowledge.pl

knowledge.pk

knowledge.community

knowledge.kitchen

knowledge.business

knowledge.li

knowledge.at

knowledge.la

knowledge.org.ua

knowledge.it

knowledge.gr

knowledge.edu.krd

knowledge.tech

knowledge.ee

knowledge.enterprises

knowledge.tv

knowledge.discount

knowledge.edu.pl

knowledge.city

knowledge.org.tw

knowledge.cz

knowledge.bio

knowledge.life

knowledge.no

knowledge.cards

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knowledge.services

knowledge.homes

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knowledge.de.com

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knowledge.su

knowledge.ca

knowledge.ru

knowledge.ch

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knowledge.money

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knowledge.systems

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knowledge.productions

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knowledge.wine

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knowledge.net.nz

knowledge.or.kr

knowledge.org.uk

knowledge.ne.jp

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knowledge.no-ip.org

knowledge.agency

knowledge.cn.com

knowledge.co.th

Similar names

knowlegde.com

kwonglede.com

ledgeknow.com

degenkolw.dk

knolwedge.com

egdelwonk.com

DNS History

9 records (7 active, 2 former)

●NSmelnicoff.ns.cloudflare.com2026-06-06 → 2026-08-16 · 2 obs

● 2026-06-06 13:23:16
● 2026-08-16 05:24:16

●NSnucum.ns.cloudflare.com2026-06-06 → 2026-08-16 · 2 obs

● 2026-06-06 13:23:16
● 2026-08-16 05:24:16

○MXknowledge-tech.mail.protection.outlook.com2026-06-06 → 2026-06-06 · 3 obs

● 2026-06-06 13:23:16
○ 2026-08-16 05:24:14
○ 2026-08-16 05:24:16

●MXsmtp.google.com2026-08-16 → 2026-08-16 · 3 obs

○ 2026-06-06 13:23:16
● 2026-08-16 05:24:14
● 2026-08-16 05:24:16

●A104.21.79.42026-06-06 → 2026-08-16 · 2 obs

● 2026-06-06 13:23:16
● 2026-08-16 05:24:16

●A172.67.139.582026-06-06 → 2026-08-16 · 2 obs

● 2026-06-06 13:23:16
● 2026-08-16 05:24:16

●A2606:4700:3030::6815:4f042026-06-26 → 2026-08-16 · 3 obs

○ 2026-06-06 13:23:16
● 2026-06-26 18:33:08
● 2026-08-16 05:24:16

○A2606:4700:3031::6815:4f042026-06-06 → 2026-06-06 · 3 obs

● 2026-06-06 13:23:16
○ 2026-06-26 18:33:08
○ 2026-08-16 05:24:16

●A2606:4700:3034::ac43:8b3a2026-06-06 → 2026-08-16 · 2 obs

● 2026-06-06 13:23:16
● 2026-08-16 05:24:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
tech	ns10.trs-dns.org, ns10.trs-dns.info, ns01.trs-dns.com, ns01.trs-dns.net	8 records
knowledge.tech	nucum.ns.cloudflare.com, melnicoff.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.195.174

NS records: nucum.ns.cloudflare.com, melnicoff.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for knowledge.tech (unsigned zone)

⏱️ Timing

Total: 859ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.139.58, 104.21.79.4`
AAAA	2	`2606:4700:3030::6815:4f04, 2606:4700:3034::ac43:8b3a`
NS	2	`melnicoff.ns.cloudflare.com, nucum.ns.cloudflare.com`
MX	1	`smtp.google.com (pri: 1)`
TXT	7	`facebook-domain-verification=30q3oy78el3, google-site-verification=8EH-LSFN9r9Ytpj...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`melnicoff.ns.cloudflare.com dns.cloudfla`

📌 Glue Records Collected

Total: 8

Out-of-bailiwick: 8 (ns10.trs-dns.info, ns10.trs-dns.org, ns01.trs-dns.net...)

Analysis

IP Addresses

knowledge.tech directs to four IP numbers, which are 104.21.79.4, 172.67.139.58, 2606:4700:3030::6815:4f04 and 2606:4700:3034::ac43:8b3a.

Among the host names that share IP numbers with knowledge.tech are www.greenflight.ru, www.graceharmony.org, digi-stiri.ro and two others.

Name Servers

knowledge.tech is served by two delegated name servers, melnicoff.ns.cloudflare.com and nucum.ns.cloudflare.com.

knowledge.tech has the same name server delegation as a number of other domains, such as casinonpf.cfd, agileurgentcare.com, casino243.cfd and two more.

At least some of knowledge.tech's name servers are shared with other domains, for example fireworksafety.com, samurai88go.com, combinaconunapolar.com and two more.

These name servers tend to be used in conjunction with the name servers lloyd.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

melnicoff.ns.cloudflare.com carries IP addresses 108.162.195.174, 162.159.44.174 and 172.64.35.174, with 3 other addresses beyond those.

nucum.ns.cloudflare.com carries IP addresses 108.162.194.145, 162.159.38.145 and 172.64.34.145, with 3 other addresses beyond those.

Mail Servers

knowledge.tech routes its mail through a single mail server, smtp.google.com.

knowledge.tech has the same mail server arrangement as a number of other domains, for example yayaresources.com, integralfr.com.mx, trioone.com.tw and two more.

knowledge.tech shares at least some of its mail servers with other domains — for example premiumtrans.vn, uprite.net, mentalaba.uz and two more.

These mail servers tend to be used in conjunction with aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two additional mail servers.

smtp.google.com directs to 9 IP numbers, including 64.233.180.26, 64.233.180.27 and 142.251.179.26, along with 6 other.

knowledge.tech - robtex.com

knowledge.tech

tech

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

Mail Servers

`knowledge.tech`

`tech`