`ff21.cn`

DNSSEC	⚠️ Not signed
A	121.54.163.235^{🇭🇰 POWERLINE-HK121.54.160.0/22 POWER LINE (HK) CO., LIMITED UNIT 04/7F BRIGHT WAY TOWER NO.35}
NS	`ns1.nowcndns.com` ⭐
		A	1.193.216.204^{🇨🇳 CHINANET-Henan-Luoyang-IDC1.193.216.0/24 Chinatelecom HeNan Province Network}
		A	218.98.111.129^{🇩🇪 HKCICL-AS-AP218.98.111.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED}
		A	218.98.111.138^{🇩🇪 HKCICL-AS-AP218.98.111.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED}
NS	`ns2.nowcndns.com`
		A	61.158.128.11^{🇨🇳 CHINA169-Backbone61.158.128.0/17 CNC Group CHINA169 Henan Province Network}
			PTR	`11.128.158.61.ha.cnc`
		A	183.253.57.202^{🇨🇳 CHINAMOBILE-CN183.253.0.0/16 CMI (Customer Route)}
		A	211.99.99.38^{🇨🇳 DONGGUAN-1211.99.99.0/24 Proxy-registered route object}
SOA	`ns1.nowcndns.com`admin@nowcndns.com serial=1774103226

`cn`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.dns.cn` ⭐
	NS	`b.dns.cn`
	NS	`c.dns.cn`
	NS	`d.dns.cn`
	NS	`e.dns.cn`
	NS	`ns.cernet.net` ⚠️ Not in parent delegation
	SOA	`a.dns.cn`root@cnnic.cn serial=2034596600

Same first word

ff21.in

ff21.vip

ff21.cn

ff21.co.in

Similar names

f1f2.ru

1ff2.com

ff12.com

ff12.pl

ff12.cn

1f2f.com

f1f2.com

ff12.jp

DNS History

7 records (3 active, 4 former)

○NSdns10.hichina.com2015-12-20 → 2016-07-26 · 4 obs

● 2015-12-20 19:38:46
● 2016-07-26 07:57:44
○ 2017-04-04 13:47:18
○ 2026-03-28 01:57:48

○NSdns11.hichina.com2017-04-04 → 2017-04-04 · 4 obs

○ 2016-07-26 07:57:44
● 2017-04-04 13:47:18
○ 2026-03-27 09:13:42
○ 2026-03-28 01:57:48

○NSdns12.hichina.com2017-04-04 → 2017-04-04 · 4 obs

○ 2016-07-26 07:57:44
● 2017-04-04 13:47:18
○ 2026-03-27 09:13:42
○ 2026-03-28 01:57:48

○NSdns9.hichina.com2015-12-20 → 2016-07-26 · 4 obs

● 2015-12-20 19:38:46
● 2016-07-26 07:57:44
○ 2017-04-04 13:47:18
○ 2026-03-28 01:57:48

●NSns1.nowcndns.com2026-03-27 → 2026-03-28 · 3 obs

○ 2017-04-04 13:47:18
● 2026-03-27 09:13:42
● 2026-03-28 01:57:48

●NSns2.nowcndns.com2026-03-27 → 2026-03-28 · 3 obs

○ 2017-04-04 13:47:18
● 2026-03-27 09:13:42
● 2026-03-28 01:57:48

●A121.54.163.2352026-03-27 → 2026-03-28 · 2 obs

● 2026-03-27 09:13:42
● 2026-03-28 01:57:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn...	-
ff21.cn	ns1.nowcndns.com, ns2.nowcndns.com	-

✅ Authoritative Response

Server:183.253.57.202

NS records: ns1.nowcndns.com, ns2.nowcndns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ff21.cn (unsigned zone)

⏱️ Timing

Total: 1882ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`121.54.163.235`
NS	2	`ns1.nowcndns.com, ns2.nowcndns.com`
SOA	1	`ns1.nowcndns.com admin.nowcndns.com`

Analysis

IP Addresses

ff21.cn points to a single IP number: 121.54.163.235.

Other host names, for instance www.worktravel.cn, bdbj.com.cn, xmqclp.cn, masjj.com.cn and flipit.cn share IP numbers with ff21.cn.

Name Servers

Delegation for ff21.cn rests with two name servers, ns1.nowcndns.com and ns2.nowcndns.com.

ff21.cn shares the same name server setup as other domains, including doyf.cn, jcqo.com.cn, hosaoa.cn, u9449.cn and webgd.cn.

Host names with three IP numbers: The host name ns1.nowcndns.com points to 1.193.216.204, 218.98.111.129 and 218.98.111.138; The host name ns2.nowcndns.com points to 61.158.128.11, 183.253.57.202 and 211.99.99.38.

ff21.cn - robtex.com

ff21.cn

cn