ctf.su - dns.ninja

ctf.su

DNSSEC⚠️ Not signed
A109.233.61.5🇳🇴 TRANSDATA109.233.61.0/24 Transdata Group
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
NSnora.ns.cloudflare.com
A2606:4700:50::adf5:3ad5🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnora.ns.cloudflare.com
A2803:f800:50::6ca2:c0d5🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRnora.ns.cloudflare.com
A2a06:98c1:50::ac40:20d5🇺🇸 Cloudflare2a06:98c1:50::/45
PTRnora.ns.cloudflare.com
A108.162.192.213🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnora.ns.cloudflare.com
A172.64.32.213🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnora.ns.cloudflare.com
A173.245.58.213🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnora.ns.cloudflare.com
MXin1-smtp.messagingengine.com ⭐
A103.168.172.216🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRphl-mx-01.messagingengine.com
A103.168.172.217🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRphl-mx-02.messagingengine.com
A103.168.172.218🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRphl-mx-03.messagingengine.com
A103.168.172.219🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRphl-mx-04.messagingengine.com
A103.168.172.220🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRphl-mx-05.messagingengine.com
A103.168.172.221🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRphl-mx-06.messagingengine.com
A103.168.172.222🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRphl-mx-07.messagingengine.com
A103.168.172.223🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRphl-mx-08.messagingengine.com
MXin2-smtp.messagingengine.com(20)
A202.12.124.216TELX-AS151847202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRstl-mx-01.messagingengine.com
A202.12.124.217TELX-AS151847202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRstl-mx-02.messagingengine.com
A202.12.124.218TELX-AS151847202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRstl-mx-03.messagingengine.com
A202.12.124.219TELX-AS151847202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRstl-mx-04.messagingengine.com
TXTv=spf1 include:spf.messagingengine.com -all
SOAdilbert.ns.cloudflare.comdns@cloudflare.com serial=2409638329

su

DNSSEC🔒 Signed (DS record present)
NSa.dns.ripn.net ⭐
NSb.dns.ripn.net
NSc.tld-servers.ru
NSd.dns.ripn.net
NSe.dns.ripn.net
NSf.dns.ripn.net
SOAa.dns.ripn.nethostmaster@ripn.net serial=650210028

Subdomains

20200216-pizzaburger.ctf.su

Same first word

ctf.cn
ctf.cz
ctf.com.cn
ctf.is
ctf.link
ctf.academy
ctf.co.id
ctf.center
ctf.hk
ctf.capital
ctf.co.jp
ctf.co.il
ctf.space
ctf.in
ctf.com.au
ctf.today
ctf.rocks
ctf.ca
ctf.es
ctf.uz
ctf.school
ctf.me
ctf.wtf
ctf.network
ctf.com.tr
ctf.us
ctf.jp
ctf.ru
ctf.fail
ctf.moscow
ctf.at
ctf.si
ctf.com.tw
ctf.bz
ctf.nu
ctf.com
ctf.team
ctf.solutions
ctf.info
ctf.ac.cn
ctf.institute
ctf.ch
ctf.vegas
ctf.co.nz
ctf.org.au
ctf.ee
ctf.cl
ctf.cc
ctf.eu
ctf.qa
ctf.net
ctf.site
ctf.horse
ctf.show
ctf.com.br
ctf.nl
ctf.co.in
ctf.zone
ctf.mobi
ctf.fi
ctf.gg
ctf.pt
ctf.su
ctf.io
ctf.it
ctf.tv
ctf.or.kr
ctf.expert
ctf.life
ctf.ir
ctf.de
ctf.company
ctf.pl
ctf.co
ctf.uk.com
ctf.ma
ctf.fyi
ctf.pp.ua
ctf.org
ctf.club
ctf.events
ctf.edu.tr
ctf.fr
ctf.ae
ctf.wa.gov.au
ctf.com.pt
ctf.biz
ctf.org.in
ctf.lu
ctf.be
ctf.no
ctf.land

Similar names

ftc.bs
tfc.de
tfc.me
ftc.com.au
tcf.eu
cft.gs
cft.lv
tcf.asn.au
tfc.com.ng
fct.nu
fct.co.kr
fct.swiss
tfc.bike
cft.cc
fct.vn
tcf.com.sg
cft.dk
tcf.church
tfc.eu.com
ftc.com.br
tfc.com.pk
tcf.ch
tfc.zp.ua
fct.com
ftc.cat
tfc.it
ftc.co.at
tfc.ac.nz
tcf.ru
fct.church
ftc.de
ftc.claims
cft.pl
tfc.mx
ftc.website
tfc.tv
ftc.kz
tcf.co.in
tfc.co
ftc.es
fct.i234.me
tfc.ie
ftc.uz
fct.com.cn
tcf.com.tw
cft.cw
tfc.agency
ftc.biz
cft.info
tcf.us
cft.re
ftc.cc
cft.ie
cft.de
fct.eu
cft.cz
tfc.es
tfc.net
ftc.ag
ftc.co.jp
fct.org.cn
tcf.org.hk
ftc.edu.vn
tcf.ca
tfc.ch
fct.ne.jp
ftc.be
cft.org.za
tcf.net.br

DNS History

9 records (5 active, 4 former)

20162017201820192020202120222023202420252026NSdilbert.ns.cloudflare.comnora.ns.cloudflare.comdns1.yandex.netdns2.yandex.netMXin1-smtp.messagingengine.comin2-smtp.messagingengine.commx.yandex.ruA109.233.61.5109.233.56.76
●NSdilbert.ns.cloudflare.com2026-03-14 → 2026-07-30 · 3 obs
○ 2017-08-20 21:01:52
● 2026-03-14 13:42:34
● 2026-07-30 19:57:00
○NSdns1.yandex.net2015-08-08 → 2017-08-20 · 4 obs
● 2015-08-08 20:01:28
● 2017-08-20 21:01:52
○ 2026-03-14 13:42:34
○ 2026-07-30 19:57:00
○NSdns2.yandex.net2015-08-08 → 2017-08-20 · 4 obs
● 2015-08-08 20:01:28
● 2017-08-20 21:01:52
○ 2026-03-14 13:42:34
○ 2026-07-30 19:57:00
●NSnora.ns.cloudflare.com2026-03-14 → 2026-07-30 · 3 obs
○ 2017-08-20 21:01:52
● 2026-03-14 13:42:34
● 2026-07-30 19:57:00
●MXin1-smtp.messagingengine.com2026-03-14 → 2026-07-30 · 3 obs
○ 2017-08-20 21:01:52
● 2026-03-14 13:42:34
● 2026-07-30 19:57:00
●MXin2-smtp.messagingengine.com2026-03-14 → 2026-07-30 · 3 obs
○ 2017-08-20 21:01:52
● 2026-03-14 13:42:34
● 2026-07-30 19:57:00
○MXmx.yandex.ru2015-08-08 → 2017-08-20 · 4 obs
● 2015-08-08 20:01:28
● 2017-08-20 21:01:52
○ 2026-03-14 13:42:34
○ 2026-07-30 19:57:00
○A109.233.56.762015-08-08 → 2017-08-20 · 4 obs
● 2015-08-08 20:01:28
● 2017-08-20 21:01:52
○ 2026-03-14 13:42:34
○ 2026-07-30 19:57:00
●A109.233.61.52026-03-14 → 2026-07-30 · 3 obs
○ 2017-08-20 21:01:52
● 2026-03-14 13:42:34
● 2026-07-30 19:57:00

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
sud.dns.ripn.net, b.dns.ripn.net, f.dns.ripn.net, a.dns.ripn.net...12 records
ctf.sunora.ns.cloudflare.com, dilbert.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.193.155

NS records: nora.ns.cloudflare.com, dilbert.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ctf.su (unsigned zone)

⏱️ Timing

Total: 766ms | Queries: -

📄 Records

TypeCountSample Data
A1109.233.61.5
NS2dilbert.ns.cloudflare.com, nora.ns.cloudflare.com
MX2in1-smtp.messagingengine.com (pri: 10), in2-smtp.messagingengine.com (pri: 20)
TXT1v=spf1 include:spf.messagingengine.com -
SOA1dilbert.ns.cloudflare.com dns.cloudflare

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (f.dns.ripn.net, e.dns.ripn.net, d.dns.ripn.net...)

Analysis

Hierarchy

The domain 20200216-pizzaburger.ctf.su falls under the parent ctf.su.

IP Addresses

ctf.su resolves to one IP address: 109.233.61.5.

Other host names, such as vos.uz, share IP numbers with ctf.su.

Name Servers

ctf.su is delegated to two name servers: dilbert.ns.cloudflare.com and nora.ns.cloudflare.com.

ctf.su uses the same name servers as several other domains — among them asroma.ru, dhobilite.com, chorebuster.net and two more.

At least some of ctf.su's name servers are shared with other domains, for example variantemail.com, transportna.com, pelaelojo.com and two more.

These name servers tend to be deployed in combination with the name servers becky.ns.cloudflare.com and wally.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

dilbert.ns.cloudflare.com resolves to 108.162.193.155, 172.64.33.155, 173.245.59.155 and 3 other IP addresses.

nora.ns.cloudflare.com resolves to 108.162.192.213, 172.64.32.213, 173.245.58.213 and 3 other IP addresses.

Mail Servers

Mail for ctf.su is handled by two mail servers — in1-smtp.messagingengine.com and in2-smtp.messagingengine.com.

ctf.su uses an identical mail server configuration to several other domains — among them speg.com, fouroclockfive.com, cigexit.com and two more.

Hostnames that resolve to 8 IP addresses:

in1-smtp.messagingengine.com resolves to 103.168.172.216, 103.168.172.217, 103.168.172.218 and 5 other IP addresses.

Hosts that point to four IP numbers:

in2-smtp.messagingengine.com directs to 202.12.124.216, 202.12.124.217, 202.12.124.218 and 202.12.124.219.