`xjctf.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:32bf^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::ac43:d204^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.50.191^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.210.4^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`chloe.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a55^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`chloe.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c055^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`chloe.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2055^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`chloe.ns.cloudflare.com`
		A	108.162.192.85^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`chloe.ns.cloudflare.com`
		A	172.64.32.85^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`chloe.ns.cloudflare.com`
		A	173.245.58.85^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`chloe.ns.cloudflare.com`
NS	`sid.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b8f^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sid.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c18f^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`sid.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:218f^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`sid.ns.cloudflare.com`
		A	108.162.193.143^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sid.ns.cloudflare.com`
		A	172.64.33.143^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sid.ns.cloudflare.com`
		A	173.245.59.143^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sid.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.50.191, 172.67.210.4
		IPv6 hints	2606:4700:3030::6815:32bf, 2606:4700:3033::ac43:d204
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=63, name=cloudflare-ech.com
SOA	`chloe.ns.cloudflare.com`dns@cloudflare.com serial=2400081457

`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=1775423392

Subdomains

9asucoaks.xjctf.com

iqalykdd.xjctf.com

ddtqsk.xjctf.com

mpmmvqs.xjctf.com

bjmcy4.xjctf.com

twtpzb.xjctf.com

km2fxufei.xjctf.com

qngdzs0.xjctf.com

wxyaf1.xjctf.com

tjsd9aku.xjctf.com

Same first word

xjctf.com

Similar names

xjcft.com

xtfcj.com

jxftc.cn

fxjct.com

tfjxc.com

xjfct.com

jcxtf.com

fcxjt.com

jtxfc.com

DNS History

23 records (6 active, 17 former)

●NSchloe.ns.cloudflare.com2026-03-28 → 2026-04-05 · 3 obs

○ 2026-02-26 02:56:14
● 2026-03-28 18:26:04
● 2026-04-05 21:36:40

○NSf1g1ns1.dnspod.net2017-01-03 → 2017-01-03 · 4 obs

○ 2016-12-19 07:48:32
● 2017-01-03 08:36:42
○ 2018-07-02 11:24:22
○ 2026-04-05 21:36:40

○NSf1g1ns2.dnspod.net2017-01-03 → 2017-01-03 · 4 obs

○ 2016-12-19 07:48:32
● 2017-01-03 08:36:42
○ 2018-07-02 11:24:22
○ 2026-04-05 21:36:40

○NSns1.dns.com2016-12-19 → 2016-12-19 · 3 obs

● 2016-12-19 07:48:32
○ 2017-01-03 08:36:42
○ 2026-04-05 21:36:40

○NSns1.judns.com2026-02-26 → 2026-02-26 · 4 obs

○ 2018-07-02 11:24:22
● 2026-02-26 02:56:14
○ 2026-03-28 18:26:04
○ 2026-04-05 21:36:40

○NSns1.julydns.com2026-02-26 → 2026-02-26 · 4 obs

○ 2018-07-02 11:24:22
● 2026-02-26 02:56:14
○ 2026-03-28 18:26:04
○ 2026-04-05 21:36:40

○NSns1.namebrightdns.com2018-07-02 → 2018-07-02 · 4 obs

○ 2017-01-03 08:36:42
● 2018-07-02 11:24:22
○ 2026-02-26 02:56:14
○ 2026-04-05 21:36:40

○NSns2.judns.com2026-02-26 → 2026-02-26 · 4 obs

○ 2018-07-02 11:24:22
● 2026-02-26 02:56:14
○ 2026-03-28 18:26:04
○ 2026-04-05 21:36:40

○NSns2.julydns.com2026-02-26 → 2026-02-26 · 4 obs

○ 2018-07-02 11:24:22
● 2026-02-26 02:56:14
○ 2026-03-28 18:26:04
○ 2026-04-05 21:36:40

○NSns2.namebrightdns.com2018-07-02 → 2018-07-02 · 4 obs

○ 2017-01-03 08:36:42
● 2018-07-02 11:24:22
○ 2026-02-26 02:56:14
○ 2026-04-05 21:36:40

●NSsid.ns.cloudflare.com2026-03-28 → 2026-04-05 · 3 obs

○ 2026-02-26 02:56:14
● 2026-03-28 18:26:04
● 2026-04-05 21:36:40

●A104.21.50.1912026-04-05 → 2026-04-05 · 3 obs

○ 2026-03-29 09:04:08
● 2026-04-05 21:36:38
● 2026-04-05 21:36:40

●A172.67.210.42026-04-05 → 2026-04-05 · 3 obs

○ 2026-03-29 09:04:08
● 2026-04-05 21:36:38
● 2026-04-05 21:36:40

○A173.247.232.842016-12-19 → 2016-12-19 · 3 obs

● 2016-12-19 07:48:32
○ 2017-01-03 08:36:42
○ 2026-04-05 21:36:40

○A188.114.96.02026-03-28 → 2026-03-29 · 5 obs

○ 2026-02-26 02:56:14
● 2026-03-28 18:26:04
● 2026-03-29 09:04:08
○ 2026-04-05 21:36:38
○ 2026-04-05 21:36:40

○A188.114.97.02026-03-28 → 2026-03-29 · 5 obs

○ 2026-02-26 02:56:14
● 2026-03-28 18:26:04
● 2026-03-29 09:04:08
○ 2026-04-05 21:36:38
○ 2026-04-05 21:36:40

●A2606:4700:3030::6815:32bf2026-04-05 → 2026-04-05 · 3 obs

○ 2026-03-29 09:04:08
● 2026-04-05 21:36:38
● 2026-04-05 21:36:40

●A2606:4700:3033::ac43:d2042026-04-05 → 2026-04-05 · 3 obs

○ 2026-03-29 09:04:08
● 2026-04-05 21:36:38
● 2026-04-05 21:36:40

○A2a06:98c1:3120::2026-03-28 → 2026-03-29 · 5 obs

○ 2026-02-26 02:56:14
● 2026-03-28 18:26:04
● 2026-03-29 09:04:08
○ 2026-04-05 21:36:38
○ 2026-04-05 21:36:40

○A2a06:98c1:3121::2026-03-28 → 2026-03-29 · 5 obs

○ 2026-02-26 02:56:14
● 2026-03-28 18:26:04
● 2026-03-29 09:04:08
○ 2026-04-05 21:36:38
○ 2026-04-05 21:36:40

○A38.173.42.482026-02-26 → 2026-02-26 · 4 obs

○ 2018-07-02 11:24:22
● 2026-02-26 02:56:14
○ 2026-03-28 18:26:04
○ 2026-04-05 21:36:40

○A68.64.172.832017-01-03 → 2017-01-03 · 4 obs

○ 2016-12-19 07:48:32
● 2017-01-03 08:36:42
○ 2018-07-02 11:24:22
○ 2026-04-05 21:36:40

○CNAMEhdredirect-lb3-890977680.us-east-1.elb.amazonaws.com2018-07-02 → 2018-07-02 · 3 obs

● 2018-07-02 11:24:22
○ 2026-02-26 02:56:14
○ 2026-04-05 21:36:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
xjctf.com	sid.ns.cloudflare.com, chloe.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.143

NS records: sid.ns.cloudflare.com, chloe.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for xjctf.com (unsigned zone)

⏱️ Timing

Total: 127ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.50.191, 172.67.210.4`
AAAA	2	`2606:4700:3033::ac43:d204, 2606:4700:3030::6815:32bf`
NS	2	`chloe.ns.cloudflare.com, sid.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`chloe.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (sid.ns.cloudflare.com, sid.ns.cloudflare.com, sid.ns.cloudflare.com...)

Analysis

Hierarchy

xjctf.com is the parent of 9asucoaks.xjctf.com, iqalykdd.xjctf.com, ddtqsk.xjctf.com, mpmmvqs.xjctf.com, bjmcy4.xjctf.com and a few other host names.

IP Addresses

Four IP numbers are pointed to by xjctf.com: 2606:4700:3030::6815:32bf, 2606:4700:3033::ac43:d204, 104.21.50.191 and 172.67.210.4.

other host names including bjmcy4.xjctf.com, eiit888.com, l726rad.11yuq.xjctf.com, fyronexdriftorgpt.net and nubella.mx share IP numbers with xjctf.com.

Name Servers

xjctf.com is delegated to two name servers chloe.ns.cloudflare.com and sid.ns.cloudflare.com.

xjctf.com shares the same name server setup as other domains, for instance mibhoxxkudtuc.com, yaetz.com, vammgulyixzic.com, fknsg.com and vayweoxoaafagv.com.

xjctf.com at least partially shares name servers with other domains, for instance karstenaichholz.com, williamsclio.co.uk, dewt.in, ectexasnews.com and srisriacademy.org.

these name servers are commonly used alongside robert.ns.cloudflare.com.

Host names with six IP numbers:

Host name chloe.ns.cloudflare.com points to: 2606:4700:50::adf5:3a55, 2803:f800:50::6ca2:c055, 2a06:98c1:50::ac40:2055, 108.162.192.85, 172.64.32.85 and 173.245.58.85.

Host name sid.ns.cloudflare.com points to: 2606:4700:58::adf5:3b8f, 2803:f800:50::6ca2:c18f, 2a06:98c1:50::ac40:218f, 108.162.193.143, 172.64.33.143 and 173.245.59.143.

xjctf.com - robtex.com

xjctf.com

com

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Hierarchy

IP Addresses

Name Servers

`xjctf.com`

`com`