ctftime.com - dns.ninja

`ctftime.com`

CNAME	`ctftime.org`
DNSSEC	⚠️ Not signed
A	2606:4700:3034::6815:6002^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::ac43:abeb^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.96.2^{Cloudflare104.21.96.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.171.235^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`june.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3ab0^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`june.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0b0^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`june.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20b0^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`june.ns.cloudflare.com`
		A	108.162.192.176^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`june.ns.cloudflare.com`
		A	172.64.32.176^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`june.ns.cloudflare.com`
		A	173.245.58.176^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`june.ns.cloudflare.com`
NS	`rick.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b8b^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rick.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c18b^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`rick.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:218b^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`rick.ns.cloudflare.com`
		A	108.162.193.139^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rick.ns.cloudflare.com`
		A	172.64.33.139^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rick.ns.cloudflare.com`
		A	173.245.59.139^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rick.ns.cloudflare.com`
MX	`mx.yandex.ru` ⭐
		A	2a02:6b8::311^{🇷🇺 TELETECH2a02:6b8::/32 Yandex network}
			PTR	`mxfront.stable.qloud-b.yandex.net`
		A	77.88.21.249^{🇷🇺 TELETECH77.88.0.0/18 Yandex enterprise network}
			PTR	`mxfront.stable.qloud-b.yandex.net`
TXT	`v=spf1 redirect=_spf.yandex.net`
HTTPS	HTTP/2 ✓ hints match
		IPv4 hints	104.21.96.2, 172.67.171.235
		IPv6 hints	2606:4700:3034::6815:6002, 2606:4700:3035::ac43:abeb
SOA	`june.ns.cloudflare.com`dns@cloudflare.com serial=2405857626

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1781439020

Same first word

ctftime.org

ctftime.com

DNS History

6 records (3 active, 3 former)

○NSdns7.hichina.com2015-08-17 → 2016-12-28 · 4 obs

● 2015-08-17 20:42:34
● 2016-12-28 06:39:18
○ 2026-06-14 12:38:28
○ 2026-06-14 12:38:32

○NSdns8.hichina.com2015-08-17 → 2016-12-28 · 4 obs

● 2015-08-17 20:42:34
● 2016-12-28 06:39:18
○ 2026-06-14 12:38:28
○ 2026-06-14 12:38:32

●NSf1g1ns1.dnspod.net2026-06-14 → 2026-06-14 · 3 obs

○ 2016-12-28 06:39:18
● 2026-06-14 12:38:28
● 2026-06-14 12:38:32

●NSf1g1ns2.dnspod.net2026-06-14 → 2026-06-14 · 3 obs

○ 2016-12-28 06:39:18
● 2026-06-14 12:38:28
● 2026-06-14 12:38:32

○A178.62.64.2492015-08-17 → 2016-12-28 · 4 obs

● 2015-08-17 20:42:34
● 2016-12-28 06:39:18
○ 2026-06-14 12:38:28
○ 2026-06-14 12:38:32

●CNAMEctftime.org2026-06-14 → 2026-06-14 · 2 obs

● 2026-06-14 12:38:28
● 2026-06-14 12:38:32

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	m.gtld-servers.net, a.gtld-servers.net, g.gtld-servers.net, k.gtld-servers.net...	-
ctftime.com	f1g1ns1.dnspod.net, f1g1ns2.dnspod.net	-

✅ Authoritative Response

Server:1.14.119.35

NS records: f1g1ns1.dnspod.net, f1g1ns2.dnspod.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ctftime.com (unsigned zone)

⏱️ Timing

Total: 4499ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`f1g1ns2.dnspod.net, f1g1ns1.dnspod.net`
CNAME	1	`ctftime.org`
SOA	1	`f1g1ns1.dnspod.net freednsadmin.dnspod.c`

Analysis

IP Addresses

ctftime.com directs to four IP numbers, which are 104.21.96.2, 172.67.171.235, 2606:4700:3034::6815:6002 and 2606:4700:3035::ac43:abeb.

Additional host names — www.vypredaj-zlavy.sk, thatquadsecure.de, williamsflowers.com and two others — share IP numbers with ctftime.com.

Name Servers

ctftime.com is served by two delegated name servers, june.ns.cloudflare.com and rick.ns.cloudflare.com.

ctftime.com shares its name server setup with other domains, including ytms.one, kyprizel.net, andshift.com and two others.

There is at least partial name server overlap between ctftime.com and other domains — driscollelectric.net, vanco1.com, ddkkhoq.cc and two more among them.

These name servers frequently co-occur with the name servers dom.ns.cloudflare.com and graham.ns.cloudflare.com.

Host names with 6 IP numbers:

june.ns.cloudflare.com carries IP addresses 108.162.192.176, 172.64.32.176 and 173.245.58.176, with 3 other addresses beyond those.

rick.ns.cloudflare.com carries IP addresses 108.162.193.139, 172.64.33.139 and 173.245.59.139, with 3 other addresses beyond those.

Mail Servers

ctftime.com has one mail server: mx.yandex.ru.

ctftime.com shares the same mail server setup as other domains, including mk-v.ru, kredits.lv, its-saratov.ru and two others.

ctftime.com shares mail servers — at least in part — with other domains, including filipp-ok.ru, experiencetravel.ru, zaoplatov.ru and two others.

These mail servers are frequently seen alongside the mail servers mx.yandex.net.

mx.yandex.ru carries two IP numbers: 77.88.21.249 and 2a02:6b8::311.