knowledge.tech - dns.ninja

knowledge.tech

DNSSECโš ๏ธ Not signed
A2606:4700:3031::6815:4f04๐Ÿ‡บ๐Ÿ‡ธ Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US โœ“ In HTTPS hints
A2606:4700:3034::ac43:8b3a๐Ÿ‡บ๐Ÿ‡ธ Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US โœ“ In HTTPS hints
A104.21.79.4Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US โœ“ In HTTPS hints
A172.67.139.58๐Ÿ‡บ๐Ÿ‡ธ Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US โœ“ In HTTPS hints
NSmelnicoff.ns.cloudflare.com โญ
A2606:4700:58::a29f:2cae๐Ÿ‡บ๐Ÿ‡ธ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmelnicoff.ns.cloudflare.com
A2803:f800:50::6ca2:c3ae๐Ÿ‡จ๐Ÿ‡ท Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRmelnicoff.ns.cloudflare.com
A2a06:98c1:50::ac40:23ae๐Ÿ‡บ๐Ÿ‡ธ Cloudflare2a06:98c1:50::/45
PTRmelnicoff.ns.cloudflare.com
A108.162.195.174๐Ÿ‡บ๐Ÿ‡ธ Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmelnicoff.ns.cloudflare.com
A162.159.44.174Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmelnicoff.ns.cloudflare.com
A172.64.35.174๐Ÿ‡บ๐Ÿ‡ธ Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmelnicoff.ns.cloudflare.com
NSnucum.ns.cloudflare.com
A2606:4700:50::a29f:2691๐Ÿ‡บ๐Ÿ‡ธ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnucum.ns.cloudflare.com
A2803:f800:50::6ca2:c291๐Ÿ‡จ๐Ÿ‡ท Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRnucum.ns.cloudflare.com
A2a06:98c1:50::ac40:2291๐Ÿ‡บ๐Ÿ‡ธ Cloudflare2a06:98c1:50::/45
PTRnucum.ns.cloudflare.com
A108.162.194.145๐Ÿ‡บ๐Ÿ‡ธ Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnucum.ns.cloudflare.com
A162.159.38.145Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnucum.ns.cloudflare.com
A172.64.34.145๐Ÿ‡บ๐Ÿ‡ธ Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnucum.ns.cloudflare.com
MXknowledge-tech.mail.protection.outlook.com โญ
A2a01:111:f403:ca04::b๐Ÿ‡ฎ๐Ÿ‡ช Microsoft2a01:111:f000::/36
PTRmail-dbbpr03cu00103.inbound.protection.outlook.com
A2a01:111:f403:ca04::f๐Ÿ‡ฎ๐Ÿ‡ช Microsoft2a01:111:f000::/36
PTRmail-db7pr03cu00507.inbound.protection.outlook.com
A2a01:111:f403:ca09::5๐Ÿ‡ณ๐Ÿ‡ฑ Microsoft2a01:111:f000::/36
PTRmail-am1pr04cu00105.inbound.protection.outlook.com
A2a01:111:f403:ca09::7๐Ÿ‡ณ๐Ÿ‡ฑ Microsoft2a01:111:f000::/36
PTRmail-am9pr04cu00107.inbound.protection.outlook.com
A52.101.68.21๐Ÿ‡ฎ๐Ÿ‡ช Microsoft52.96.0.0/12 MICROSOFT
PTRmail-db4pr02cu00205.inbound.protection.outlook.com
A52.101.68.36๐Ÿ‡ฎ๐Ÿ‡ช Microsoft52.96.0.0/12 MICROSOFT
PTRmail-db5pr02cu00104.inbound.protection.outlook.com
A52.101.73.24๐Ÿ‡ณ๐Ÿ‡ฑ Microsoft52.96.0.0/12 MICROSOFT
PTRmail-as8pr05cu00300.inbound.protection.outlook.com
A52.101.73.30๐Ÿ‡ณ๐Ÿ‡ฑ Microsoft52.96.0.0/12 MICROSOFT
PTRmail-am7pr05cu00306.inbound.protection.outlook.com
TXTfacebook-domain-verification=30q3oy78el3w7prnox4kwmtex64goa
TXTgoogle-site-verification=8EH-LSFN9r9YtpjLJkKG6MAOW511dIKmZfUBnl-058o
TXTgoogle-site-verification=_KREP5e4i-vxXzg5NDKaoHaoAen-ihCHJzxhplvDHyk
TXTgoogle-site-verification=rNtQ6hoofZU5hiLvKHhbXRdZW6iQOU7uw4jOF9Dewmg
TXTv=spf1 include:spf.protection.outlook.com -all
TXTv=verifydomain MS=2099895
HTTPSHTTP/3, HTTP/2 โœ“ hints match
IPv4 hints104.21.79.4, 172.67.139.58
IPv6 hints2606:4700:3031::6815:4f04, 2606:4700:3034::ac43:8b3a
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=43, name=cloudflare-ech.com
SOAmelnicoff.ns.cloudflare.comdns@cloudflare.com serial=2405847043

tech

DNSSEC๐Ÿ”’ Signed (DS record present)
NSns01.trs-dns.com โญ
NSns.trs-dns.com
NSns01.trs-dns.net
NSns10.trs-dns.info
NSns10.trs-dns.org
SOAns.trs-dns.comtrs-ops@tucows.com serial=1781118242

Same first word

Similar names

DNS History

7 records (7 active, 0 former)

NSmelnicoff.ns.cloudflare.comnucum.ns.cloudflare.comMXknowledge-tech.mail.protection.outlook.comA104.21.79.4172.67.139.582606:4700:3031::6815:4f042606:4700:3034::ac43:8b3a
โ—NSmelnicoff.ns.cloudflare.com2026-06-06 โ†’ 2026-06-10 ยท 2 obs
โ— 2026-06-06 13:23:16
โ— 2026-06-10 20:03:28
โ—NSnucum.ns.cloudflare.com2026-06-06 โ†’ 2026-06-10 ยท 2 obs
โ— 2026-06-06 13:23:16
โ— 2026-06-10 20:03:28
โ—MXknowledge-tech.mail.protection.outlook.com2026-06-06 โ†’ 2026-06-10 ยท 2 obs
โ— 2026-06-06 13:23:16
โ— 2026-06-10 20:03:28
โ—A104.21.79.42026-06-06 โ†’ 2026-06-10 ยท 2 obs
โ— 2026-06-06 13:23:16
โ— 2026-06-10 20:03:28
โ—A172.67.139.582026-06-06 โ†’ 2026-06-10 ยท 2 obs
โ— 2026-06-06 13:23:16
โ— 2026-06-10 20:03:28
โ—A2606:4700:3031::6815:4f042026-06-06 โ†’ 2026-06-10 ยท 2 obs
โ— 2026-06-06 13:23:16
โ— 2026-06-10 20:03:28
โ—A2606:4700:3034::ac43:8b3a2026-06-06 โ†’ 2026-06-10 ยท 2 obs
โ— 2026-06-06 13:23:16
โ— 2026-06-10 20:03:28

๐Ÿ” DNS Trace

๐Ÿ“‹ Delegation Chain

ZoneNameserversGlue
techns01.trs-dns.com, ns01.trs-dns.net, ns10.trs-dns.org, ns10.trs-dns.info8 records
knowledge.technucum.ns.cloudflare.com, melnicoff.ns.cloudflare.com-

โœ… Authoritative Response

Server:108.162.195.174

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

๐Ÿ”’ DNSSEC Status

โš ๏ธ Insecure (no DNSSEC)

No DS record for knowledge.tech (unsigned zone)

โฑ๏ธ Timing

Total: 924ms | Queries: -

๐Ÿ“„ Records

TypeCountSample Data
A2172.67.139.58, 104.21.79.4
AAAA22606:4700:3031::6815:4f04, 2606:4700:3034::ac43:8b3a
NS2melnicoff.ns.cloudflare.com, nucum.ns.cloudflare.com
MX1knowledge-tech.mail.protection.outlook.c
TXT6facebook-domain-verification=30q3oy78el3, google-site-verification=8EH-LSFN9r9Ytpj...
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1melnicoff.ns.cloudflare.com dns.cloudfla

๐Ÿ“Œ Glue Records Collected

Total: 8

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

Analysis

IP Addresses

knowledge.tech points to four IP numbers: 104.21.79.4, 172.67.139.58, 2606:4700:3031::6815:4f04 and 2606:4700:3034::ac43:8b3a.

www.greenflight.ru, hereeng.info, harvest-bazaar.com and two other host names share IP numbers with knowledge.tech.

Name Servers

The NS records for knowledge.tech delegate to melnicoff.ns.cloudflare.com and nucum.ns.cloudflare.com.

knowledge.tech uses the same name servers as several other domains โ€” among them drronen.com, encrypt-flz.click, mosbet-vip.ru and two more.

knowledge.tech partially shares its NS delegation with several other domains, including fireworksafety.com, combinaconunapolar.com, 903033.com and two others.

These name servers regularly co-occur with the name servers leanna.ns.cloudflare.com, jen.ns.cloudflare.com and cosmin.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

melnicoff.ns.cloudflare.com maps to 108.162.195.174, 162.159.44.174, 172.64.35.174 and 3 additional IP addresses.

nucum.ns.cloudflare.com maps to 108.162.194.145, 162.159.38.145, 172.64.34.145 and 3 additional IP addresses.

Mail Servers

Mail for knowledge.tech is handled by a single mail server, knowledge-tech.mail.protection.outlook.com.

knowledge-tech.mail.protection.outlook.com resolves to 8 IP addresses โ€” 52.101.68.21, 52.101.68.36, 52.101.73.24 and 5 others.