ctfpc.com - dns.ninja

ctfpc.com

DNSSEC⚠️ Not signed
A109.234.166.244🇫🇷 O2SWITCH109.234.164.0/22
PTR109-234-166-244.reverse.odns.fr
NSns1.o2switch.net ⭐
A109.234.160.5🇫🇷 O2SWITCH109.234.160.0/24 o2switch Internet Routing
PTRns1.o2switch.net
NSns2.o2switch.net
A109.234.161.5🇫🇷 O2SWITCH109.234.161.0/24 o2switch Internet Routing
PTRns2.o2switch.net
MXmail.ctfpc.com ⭐
A109.234.166.91🇫🇷 O2SWITCH109.234.164.0/22
PTR109-234-166-91.reverse.odns.fr
TXTv=spf1 ip4:109.234.166.91 +a +mx +include:spf.jabatus.fr ~all
SOAns1.o2switch.netsysadmin@o2switch.fr 2026-06-28 #2

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1786644264
WOT: SAFE (68/100)

Subdomains

mail.ctfpc.com

Same first word

ctfpc.com
ctfpc.org

Similar names

ccfpt.com
fccpt.com
pcctf.org
cpftc.com
cftpc.com
tfpcc.cn
fpctc.com
cfctp.com
ccptf.com
ftpcc.com
ftccp.com
tfpcc.com
ccpft.eu
ptcfc.com
ptccf.com
cfpct.com
fccpt.org
ccfpt.cn
ctcfp.org
tfcpc.net
cfcpt.com
tpfcc.com
cftcp.com
ccpft.com

DNS History

14 records (4 active, 10 former)

20162017201820192020202120222023202420252026NSns1.o2switch.netns2.o2switch.netns1.carrierzone.comns2.carrierzone.comns3.carrierzone.comns4.carrierzone.comMXmail.ctfpc.comevios.adsweb.comA109.234.166.244198.185.159.144198.185.159.145198.49.23.144198.49.23.145216.114.79.139
○NSns1.carrierzone.com2015-08-22 → 2017-10-07 · 4 obs
● 2015-08-22 02:43:58
● 2017-10-07 22:34:50
○ 2026-02-21 21:44:30
○ 2026-08-13 18:16:10
●NSns1.o2switch.net2026-02-21 → 2026-08-13 · 6 obs
○ 2017-10-07 22:34:50
● 2026-02-21 21:44:30
● 2026-03-21 18:48:14
○ 2026-04-05 04:24:08
● 2026-04-10 15:16:10
● 2026-08-13 18:16:10
○NSns2.carrierzone.com2015-08-22 → 2017-10-07 · 4 obs
● 2015-08-22 02:43:58
● 2017-10-07 22:34:50
○ 2026-02-21 21:44:30
○ 2026-08-13 18:16:10
●NSns2.o2switch.net2026-02-21 → 2026-08-13 · 6 obs
○ 2017-10-07 22:34:50
● 2026-02-21 21:44:30
● 2026-03-21 18:48:14
○ 2026-04-05 04:24:08
● 2026-04-10 15:16:10
● 2026-08-13 18:16:10
○NSns3.carrierzone.com2015-08-22 → 2017-10-07 · 4 obs
● 2015-08-22 02:43:58
● 2017-10-07 22:34:50
○ 2026-02-21 21:44:30
○ 2026-08-13 18:16:10
○NSns4.carrierzone.com2015-08-22 → 2017-10-07 · 4 obs
● 2015-08-22 02:43:58
● 2017-10-07 22:34:50
○ 2026-02-21 21:44:30
○ 2026-08-13 18:16:10
○MXevios.adsweb.com2015-08-22 → 2017-10-07 · 4 obs
● 2015-08-22 02:43:58
● 2017-10-07 22:34:50
○ 2026-02-21 21:44:30
○ 2026-08-13 18:16:10
●MXmail.ctfpc.com2026-02-21 → 2026-08-13 · 9 obs
○ 2017-10-07 22:34:50
● 2026-02-21 21:44:30
● 2026-03-21 18:48:14
○ 2026-04-05 04:24:08
● 2026-04-10 15:16:10
● 2026-05-03 17:08:52
○ 2026-05-11 04:26:22
● 2026-07-04 23:48:04
● 2026-08-13 18:16:10
●A109.234.166.2442026-02-21 → 2026-08-13 · 9 obs
○ 2017-10-07 22:34:50
● 2026-02-21 21:44:30
● 2026-03-21 18:48:14
○ 2026-04-05 04:24:08
● 2026-04-10 15:16:10
● 2026-05-03 17:08:52
○ 2026-05-11 04:26:22
● 2026-07-04 23:48:04
● 2026-08-13 18:16:10
○A198.185.159.1442017-10-07 → 2017-10-07 · 4 obs
○ 2016-11-02 05:45:54
● 2017-10-07 22:34:50
○ 2026-02-21 21:44:30
○ 2026-08-13 18:16:10
○A198.185.159.1452017-10-07 → 2017-10-07 · 4 obs
○ 2016-11-02 05:45:54
● 2017-10-07 22:34:50
○ 2026-02-21 21:44:30
○ 2026-08-13 18:16:10
○A198.49.23.1442017-10-07 → 2017-10-07 · 4 obs
○ 2016-11-02 05:45:54
● 2017-10-07 22:34:50
○ 2026-02-21 21:44:30
○ 2026-08-13 18:16:10
○A198.49.23.1452017-10-07 → 2017-10-07 · 4 obs
○ 2016-11-02 05:45:54
● 2017-10-07 22:34:50
○ 2026-02-21 21:44:30
○ 2026-08-13 18:16:10
○A216.114.79.1392015-08-22 → 2016-11-02 · 4 obs
● 2015-08-22 02:43:58
● 2016-11-02 05:45:54
○ 2017-10-07 22:34:50
○ 2026-08-13 18:16:10

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comd.gtld-servers.net, i.gtld-servers.net, j.gtld-servers.net, k.gtld-servers.net...-
ctfpc.comns1.o2switch.net, ns2.o2switch.net-

✅ Authoritative Response

Server:109.234.160.5

NS records: ns1.o2switch.net, ns2.o2switch.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ctfpc.com (unsigned zone)

⏱️ Timing

Total: 491ms | Queries: -

📄 Records

TypeCountSample Data
A1109.234.166.244
NS2ns2.o2switch.net, ns1.o2switch.net
MX1mail.ctfpc.com (pri: 0)
TXT1v=spf1 ip4:109.234.166.91 +a +mx +includ
SOA1ns1.o2switch.net sysadmin.o2switch.fr

Analysis

Hierarchy

mail.ctfpc.com is delegated beneath ctfpc.com.

IP Addresses

ctfpc.com resolves to just one IP address, 109.234.166.244.

Two other host names, along with installation-gpl.com, openeducationchallenge.eu and webmaster-freelance.net, also share IP numbers with ctfpc.com.

Name Servers

DNS delegation for ctfpc.com points to two name servers: ns1.o2switch.net and ns2.o2switch.net.

ctfpc.com shares its NS records with other domains, for example stephane-moutier.fr, press-pass.info, trace2babi.net and two others.

ns1.o2switch.net → 109.234.160.5 and ns2.o2switch.net → 109.234.161.5: one IP number per host name.

Mail Servers

The sole mail server for ctfpc.com is mail.ctfpc.com.

mail.ctfpc.com has exactly one IP number: 109.234.166.91.