k21.online - robtex.com

k21.online

DNSSEC⚠️ Not signed
A52.58.78.16🇩🇪 Amazon52.58.0.0/15 EC2 FRA Prefix
PTRec2-52-58-78-16.eu-central-1.compute.amazonaws.com
NSreese.ns.cloudflare.com ⭐
A2606:4700:58::a29f:2c75🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRreese.ns.cloudflare.com
A2803:f800:50::6ca2:c375🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRreese.ns.cloudflare.com
A2a06:98c1:50::ac40:2375🇺🇸 Cloudflare2a06:98c1:50::/45
PTRreese.ns.cloudflare.com
A108.162.195.117🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRreese.ns.cloudflare.com
A162.159.44.117Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRreese.ns.cloudflare.com
A172.64.35.117🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRreese.ns.cloudflare.com
NSviolet.ns.cloudflare.com
A2606:4700:50::adf5:3aed🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRviolet.ns.cloudflare.com
A2803:f800:50::6ca2:c0ed🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRviolet.ns.cloudflare.com
A2a06:98c1:50::ac40:20ed🇺🇸 Cloudflare2a06:98c1:50::/45
PTRviolet.ns.cloudflare.com
A108.162.192.237🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRviolet.ns.cloudflare.com
A172.64.32.237🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRviolet.ns.cloudflare.com
A173.245.58.237🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRviolet.ns.cloudflare.com
TXT939616311d97b34e028458fb6a06ff07d76b1ed6
TXTafternic-verification-7ZS7HHZ8mMXPbzcs3ACPR8
TXTdan-ownership-verification=acbqn49u
TXTgodaddyverification=QghcBlO+1jYa6lKuO/AbkQ==
SOAreese.ns.cloudflare.comdns@cloudflare.com serial=2403437438

online

DNSSEC🔒 Signed (DS record present)
NSns01.trs-dns.com ⭐
NSns.trs-dns.com
NSns01.trs-dns.net
NSns10.trs-dns.info
NSns10.trs-dns.org
SOAns.trs-dns.comtrs-ops@tucows.com serial=1778429911
⚠️ On DNS blocklist: tif

Same first word

k21.church
k21.eu
k21.online
k21.co
k21.cn
k21.biz
k21.it
k21.org
k21.jp
k21.cz
k21.com.br
k21.coffee
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k21.se
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k21.de
k21.ru
k21.mobi
k21.net
k21.nl
k21.in
k21.no
k21.ch
k21.pl
k21.com

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k12.mn.us
21k.me
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12k.no
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k12.oh.us
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21k.ca
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k12.cl
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k12.center
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1k2.net
k12.edu.mo
k12.dk
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2k1.ca
k12.biz
21k.mobi
k12.ct.us
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12k.cc
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k12.fyi
21k.co
k12.fr
k12.school
k12.ny.us
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k12.es

DNS History

3 records (3 active, 0 former)

NSreese.ns.cloudflare.comviolet.ns.cloudflare.comA52.58.78.16
●NSreese.ns.cloudflare.com2026-05-06 → 2026-05-10 · 2 obs
● 2026-05-06 22:54:50
● 2026-05-10 16:35:38
●NSviolet.ns.cloudflare.com2026-05-06 → 2026-05-10 · 2 obs
● 2026-05-06 22:54:50
● 2026-05-10 16:35:38
●A52.58.78.162026-05-06 → 2026-05-10 · 2 obs
● 2026-05-06 22:54:50
● 2026-05-10 16:35:38

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
onlinens01.trs-dns.com, ns01.trs-dns.net, ns10.trs-dns.org, ns10.trs-dns.info-
k21.onlinereese.ns.cloudflare.com, violet.ns.cloudflare.com-

✅ Authoritative Response

Server:162.159.44.117

NS records: reese.ns.cloudflare.com, violet.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for k21.online (unsigned zone)

⏱️ Timing

Total: 469ms | Queries: -

📄 Records

TypeCountSample Data
A152.58.78.16
NS2reese.ns.cloudflare.com, violet.ns.cloudflare.com
TXT4939616311d97b34e028458fb6a06ff07d76b1ed6, afternic-verification-7ZS7HHZ8mMXPbzcs3A...
SOA1reese.ns.cloudflare.com dns.cloudflare.c

Analysis

IP Addresses

k21.online points to an IP address: 52.58.78.16.

other host names include magali.nl, ftp.stealthpoint.com, mail.berrygreen.com, jaxa.online and outsourceindustry.com; they share IP numbers with k21.online.

Name Servers

Two name servers reese.ns.cloudflare.com and violet.ns.cloudflare.com handle the delegation for k21.online.

k21.online shares the same name server setup as other domains, for instance 4him.online, g-b.xyz, braintech.online, nexas.eu and gameshow.online.

k21.online at least partially shares name servers with other domains, for instance theedn.com, velotech.com, mimosavet.com, (0x6675636b)eopenai.mom and lk685.com.

These name servers are commonly used alongside oswald.ns.cloudflare.com.

Six IP addresses per host:

reese.ns.cloudflare.com points to 2606:4700:58::a29f:2c75, 2803:f800:50::6ca2:c375, 2a06:98c1:50::ac40:2375, 108.162.195.117, 162.159.44.117 and 172.64.35.117; violet.ns.cloudflare.com points to 2606:4700:50::adf5:3aed, 2803:f800:50::6ca2:c0ed, 2a06:98c1:50::ac40:20ed, 108.162.192.237, 172.64.32.237 and 173.245.58.237