`ntjctf.com`

DNSSEC	⚠️ Not signed
A	211.149.227.71^{🇨🇳 CHINANET-SCIDC-AS-AP211.149.224.0/19 chinanet SC province network-client}
NS	`dns3.4cun.com` ⭐
		A	2408:4005:3dc:af00:a6be:339e:a1a0:ceb7^{🇨🇳 Alibaba-Cloud2408:4005::/33}
		A	61.172.183.74^{🇨🇳 SHANGHAITELECOM61.172.182.0/23 SHIDC}
NS	`dns.4cun.com` ⚠️ Not in zone NS records
NS	`dns4.51dns.top` ⚠️ Not in zone NS records
		A	2408:4005:3dc:af00:a6be:339e:a1a0:ceb7^{🇨🇳 Alibaba-Cloud2408:4005::/33}
		A	219.138.102.210^{🇨🇳 CHINATELECOM-HUBEI-YICHANG-IDC219.138.102.0/24 yichang}
TXT	`202001110152414kvwuaxsxt20bo8c8atmdccbrwm54ya8jn9ofle83seuiouhe4`
SOA	`dns.4cun.com`admin@ntjctf.com serial=1772529017

`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=1776014382

Same first word

ntjctf.com

Similar names

nctfjt.com

DNS History

6 records (4 active, 2 former)

●NSdns.4cun.com2015-07-24 → 2026-04-12 · 2 obs

● 2015-07-24 10:02:28
● 2026-04-12 17:35:08

●NSdns3.4cun.com2026-03-26 → 2026-04-12 · 3 obs

○ 2015-07-24 10:02:28
● 2026-03-26 17:20:48
● 2026-04-12 17:35:08

●NSdns4.51dns.top2026-03-26 → 2026-04-12 · 3 obs

○ 2015-07-24 10:02:28
● 2026-03-26 17:20:48
● 2026-04-12 17:35:08

○A101.37.18.1662019-04-01 → 2019-04-01 · 4 obs

○ 2017-02-11 09:27:44
● 2019-04-01 22:09:38
○ 2026-03-26 17:20:48
○ 2026-04-12 17:35:08

○A142.4.33.372015-07-24 → 2016-02-28 · 4 obs

● 2015-07-24 10:02:28
● 2016-02-28 11:41:00
○ 2017-02-11 09:27:44
○ 2026-04-12 17:35:08

●A211.149.227.712026-03-26 → 2026-04-12 · 3 obs

○ 2019-04-01 22:09:38
● 2026-03-26 17:20:48
● 2026-04-12 17:35:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	k.gtld-servers.net, e.gtld-servers.net, h.gtld-servers.net, b.gtld-servers.net...	-
ntjctf.com	dns3.4cun.com, dns4.51dns.top	2 records

✅ Authoritative Response

Server:61.172.183.74

NS records: dns3.4cun.com, dns4.51dns.top

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ntjctf.com (unsigned zone)

⏱️ Timing

Total: 1094ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`211.149.227.71`
TXT	1	`202001110152414kvwuaxsxt20bo8c8atmdccbrw`
SOA	1	`dns.4cun.com admin.ntjctf.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (dns3.4cun.com, dns3.4cun.com)

Analysis

IP Addresses

ntjctf.com points to a single IP number: 211.149.227.71.

other host names for instance yeri.cn, swzx8.com, gzyuerong.com, ksge.com and nbxingyao.com share IP numbers with ntjctf.com.

Name Servers

ntjctf.com is delegated to three name servers: dns3.4cun.com, dns.4cun.com and dns4.51dns.top.

ntjctf.com at least partially shares name servers with other domains, for instance daniuyunying.com, aolinsh.com, apuzuolun.com, jxcmc.com and wotwo.net.

These name servers are often used together with the name servers dns7.4cun.com, dns1.4cun.com, dns8.51dns.top, dns4.4cun.com, dns2.51dns.top, dns6.51dns.top, dns5.4cun.com, ns3.4cun.com, ns4.4cun.com and ns1.4cun.com.

Host names with two IP numbers:

dns3.4cun.com points to 2408:4005:3dc:af00:a6be:339e:a1a0:ceb7 and 61.172.183.74.

dns4.51dns.top points to 2408:4005:3dc:af00:a6be:339e:a1a0:ceb7 and 219.138.102.210.

Names pointing to 2408:4005:3dc:af00:a6be:339e:a1a0:ceb7: dns3.4cun.com and dns4.51dns.top.

ntjctf.com - robtex.com

ntjctf.com

com