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Ctfd.io Summary


Ctfd.io was created 10 years ago. Receives approximately 77,970 unique visitors per month. Server is located in United States, IP address 172.67.185.159.

Website Info


Creation date 2014-11-19
Expiration date 2021-11-19
Registrar Cloudflare, Inc.
Name servers
  1. terry.ns.cloudflare.com
  2. tia.ns.cloudflare.com
IP address 172.67.185.159
Server located United States
Host name 172.67.185.159

Alexa Traffic Ranks


Global Rank 792,404
Delta (90 Days) 367,460
Most Popular In Country n/a
Country Rank n/a

Whois info


Domain Name: CTFD.IO

Registry Domain ID: D503300000040366595-LRMS

Registrar WHOIS Server: 
Registrar URL: 
Updated Date: 2020-08-14T20:45:26Z

Creation Date: 2014-11-18T22:56:57Z

Registry Expiry Date: 2021-11-18T22:56:57Z

Registrar Registration Expiration Date: 
Registrar: CloudFlare, Inc.

Registrar IANA ID: 1910

Registrar Abuse Contact Email: 
Registrar Abuse Contact Phone: 
Reseller: 
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited

Registrant Organization: DATA REDACTED

Registrant State/Province: DATA REDACTED

Registrant Country: US

Name Server: TERRY.NS.CLOUDFLARE.COM

Name Server: TIA.NS.CLOUDFLARE.COM

DNSSEC: signedDelegation

DNS Records


Host Type TTL Data
ctfd.io A 300 ip: 104.21.19.74
ctfd.io A 300 ip: 172.67.185.159
ctfd.io MX 300 pri: 1
target: aspmx.l.google.com
ctfd.io MX 300 pri: 10
target: alt4.aspmx.l.google.com
ctfd.io MX 300 pri: 10
target: alt3.aspmx.l.google.com
ctfd.io MX 300 pri: 5
target: alt1.aspmx.l.google.com
ctfd.io MX 300 pri: 5
target: alt2.aspmx.l.google.com
ctfd.io NS 86400 target: terry.ns.cloudflare.com
ctfd.io NS 86400 target: tia.ns.cloudflare.com
ctfd.io SOA 3600 mname: terry.ns.cloudflare.com
rname: dns.cloudflare.com
serial: 2261619255
refresh: 10000
retry: 2400
expire: 604800
minimum-ttl: 3600
ctfd.io TXT 300 txt: google-site-verification=PykwEd8fOjxQnmuFFtGBiPZGz6HNRJS5taz62m0eHlU
ctfd.io TXT 300 txt: google-site-verification=q_TuVZrunT_0JwNgUlu3GoAsanbBPyYMeo5E0Z6e23Y
ctfd.io TXT 300 txt: _globalsign-domain-verification=K_qhC_2EDvkHfYVUPa6plCAEZ1HqgE1zeZ8WlIYhG2
ctfd.io TXT 300 txt: v=spf1 a mx include:_spf.google.com include:helpscoutemail.com ~all

HTTP Headers

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