fi.n3rd.linux.ac - robtex.com

fi.n3rd.linux.ac

DNSSEC⚠️ Not signed
A2606:4700:3031::6815:33ba🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3033::ac43:b822🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.51.186Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.184.34🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.51.186, 172.67.184.34
IPv62606:4700:3031::6815:33ba, 2606:4700:3033::ac43:b822

n3rd.linux.ac

DNSSEC⚠️ Not signed
A2606:4700:3031::6815:33ba🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3033::ac43:b822🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.51.186Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.184.34🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.51.186, 172.67.184.34
IPv62606:4700:3031::6815:33ba, 2606:4700:3033::ac43:b822

Previously MX for

linux-board.de
dealforsoftware.com
l-i-n-u-x.de
gnu-linux.pl
vex-server.de
linux.ac
commandline.eu
linuxshell.net
log.rocks

Same first word

fi.tax
fi.lv
fi.net.nz
fi.com.ua
fi.lu
fi.cz
fi.net.uk
fi.edu.pl
fi.ro
fi.casino
fi.nl
fi.eu.org
fi.company
fi.ae
fi.com.pl
fi.co.za
fi.com
fi.gs
fi.ma
fi.edu
fi.technology
fi.ph
fi.vc
fi.gy
fi.limo
fi.s3.eu-north-1.amazonaws.com
fi.dyndns.tv
fi.fit
fi.co.kr
fi.agency
fi.is
fi.fi
fi.co
fi.ax
fi.fyi
fi.to
fi.com.tr
fi.net.au
fi.org
fi.cx
fi.mt
fi.cl
fi.life
fi.ru
fi.dev
fi.ee
fi.co.uk
fi.kz
fi.tv
fi.tc
fi.s3-website-eu-west-1.amazonaws.com
fi.hu
fi.nu
fi.world
fi.com.br
fi.weber
fi.ca
fi.money
fi.care
fi
fi.se
fi.cn
fi.de
fi.pl
fi.cr
fi.k12.ny.us
fi.tn
fi.sh
fi.dk
fi.ws
fi.co.th
fi.s3-eu-west-1.amazonaws.com
fi.ms
fi.lt
fi.no
fi.s3.amazonaws.com

Similar names

if.gov.ua
if.cn
if.cx
if.kz
if.at
if.am
if.city
if.ru
if.wtf
if.delivery
if.foundation
if.edu.mx
if.sg
if.eu
if.cl
if.com.ua
if.plus
if.lv
if.ae
if.ac
if.run
if.world
if.vc
if.sa
if.nl
if.sh
if.no
if.fi
if.net.cn
if.com.lv
if.la
if.ua
if.chat
if.lc
if.to
if.network
if.club.tw
if.is
if.com
if.om
if.io
if.cc
if.hu
if.uz
if.cool
if.se
if.co.nz
if.org.uk
if.de
if.ee
if.codes
if.net.ua
if.fo
if.net
if.com.au
if.org
if.lt
if.co
if.cz
if.sp.gov.br
if.fit
if.tc
if.com.tr
if.church
if.si
if.lk
if.org.ua
if.dk
if.org.br
if.cm
if.gl
if.uk
if.md
if.land
if.pl
if.gs
if.fyi
if.business
if.be
if.biz
if.mov

DNS History

5 records (4 active, 1 former)

2017201820192020202120222023202420252026A104.21.51.186172.67.184.342606:4700:3031::6815:33ba2606:4700:3033::ac43:b82251.255.143.42
●A104.21.51.1862026-03-11 → 2026-03-28 · 3 obs
○ 2016-12-26 03:31:50
● 2026-03-11 18:54:40
● 2026-03-28 19:42:00
●A172.67.184.342026-03-11 → 2026-03-28 · 3 obs
○ 2016-12-26 03:31:50
● 2026-03-11 18:54:40
● 2026-03-28 19:42:00
●A2606:4700:3031::6815:33ba2026-03-11 → 2026-03-28 · 3 obs
○ 2016-12-26 03:31:50
● 2026-03-11 18:54:40
● 2026-03-28 19:42:00
●A2606:4700:3033::ac43:b8222026-03-11 → 2026-03-28 · 3 obs
○ 2016-12-26 03:31:50
● 2026-03-11 18:54:40
● 2026-03-28 19:42:00
○A51.255.143.422016-01-12 → 2016-12-26 · 4 obs
● 2016-01-12 01:35:34
● 2016-12-26 03:31:50
○ 2026-03-11 18:54:40
○ 2026-03-28 19:42:00

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
aca0.nic.ac, a2.nic.ac, b0.nic.ac, c0.nic.ac8 records
linux.acmemphis.ns.cloudflare.com, hazel.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.34.157

NS records: memphis.ns.cloudflare.com, hazel.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for linux.ac (unsigned zone)

⏱️ Timing

Total: 263ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.51.186, 172.67.184.34
AAAA22606:4700:3031::6815:33ba, 2606:4700:3033::ac43:b822
HTTPS1{"priority":1,"target":".","alpn":["h3",

📌 Glue Records Collected

Total: 8

In-bailiwick: 8 (a0.nic.ac, a2.nic.ac, b0.nic.ac...)

Analysis

IP Addresses

fi.n3rd.linux.ac resolves to four IP numbers: 2606:4700:3031::6815:33ba, 2606:4700:3033::ac43:b822, 104.21.51.186 and 172.67.184.34.

Other host names such as print.net, 5rc4.com.cdn.cloudflare.net, es.n3rd.linux.ac, nitv.com.np and flgci.com share IPs with fi.n3rd.linux.ac.