`efr.cn`

DNSSEC	⚠️ Not signed
NS	`ns1.22.cn` ⭐
		A	2001:df2:f080:1::5^{🇭🇰 HKCICL-AS-AP2001:df2:f080::/48 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED}
		A	61.158.128.10^{🇨🇳 CHINA169-Backbone61.158.128.0/17 CNC Group CHINA169 Henan Province Network}
			PTR	`10.128.158.61.ha.cnc`
		A	218.98.111.136^{🇩🇪 HKCICL-AS-AP218.98.111.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED}
NS	`ns2.22.cn`
		A	240e:97d:10:1402:0:1:0:1002^{🇨🇳 CHINANET-Guangdong-DongGuan-IDC240e:97d::/36 DongGuan IDC Network}
		A	1.193.216.203^{🇨🇳 CHINANET-Henan-Luoyang-IDC1.193.216.0/24 Chinatelecom HeNan Province Network}
		A	183.253.57.207^{🇨🇳 CHINAMOBILE-CN183.253.0.0/16 CMI (Customer Route)}
		A	211.99.99.61^{🇨🇳 DONGGUAN-1211.99.99.0/24 Proxy-registered route object}
SOA	`ns1.22.cn`dnsadmin@22.cn serial=1751342726

`cn`

	DNSSEC	⚠️ Not signed
	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=2034546407

Same first word

efr.co

efr.com.mx

efr.ru

efr.app

efr.com

efr.es

efr.eu

efr.cz

efr.fr

efr.com.my

efr.info

efr.dk

efr.co.jp

efr.co.za

efr.pl

efr.at

efr.se

efr.de

efr.me

efr.ro

efr.cn

efr.zone

efr.co.il

efr.org

efr.hu

efr.be

efr.nl

efr.ch

efr.it

efr.com.tr

efr.net

Similar names

fer.me

ref.tc

ref.lv

ref.biz

fer.org

erf.org

ref.it

ref.li

ref.ua

fer.gov.gn

ref.ms

ref.asia

erf.nl

ref.com.ua

erf.design

ref.my

fer.org.ro

fer.nu

fer.at

fre.org

ref.world

rfe.se

ref.vn

fre.ru

erf.it

ref.me

erf.org.tw

ref.pt

fre.at

ref.ca

rfe.ro

rfe.de

ref.net

fre.org.uk

fer.gov.pl

erf.org.au

fer.lt

ref.center

ref.lt

fer.gov.rw

fer.es

ref.org.uk

fer.eu

ref.am

fre.be

fre.ag

fer.biz

fer.de

fre.pl

ref.sh

fer.pl

rfe.com.ar

ref.direct

fre.nl

rfe.by

fer.com.ua

fre.de

fre.gr

fer.mx

rfe.org.cn

fre.lu

rfe.com

rfe.at

ref.at

ref.dk

ref.de

ref.is

fer.marketing

fre.com.br

rfe.co.nz

fre.ch

fer.tel

fer.ai

fre.ro

erf.net

fer.ru

fer.si

ref.ee

ref.com.tw

erf.be

rfe.hu

fre.jp

fer.hr

rfe.mobi

fre.es

fer.co

erf.org.uk

fre.dk

fer.hu

DNS History

11 records (2 active, 9 former)

●NSns1.22.cn2026-03-20 → 2026-03-22 · 3 obs

○ 2021-04-06 21:30:40
● 2026-03-20 20:43:36
● 2026-03-22 03:29:16

●NSns2.22.cn2026-03-20 → 2026-03-22 · 3 obs

○ 2021-04-06 21:30:40
● 2026-03-20 20:43:36
● 2026-03-22 03:29:16

○NSwww.efr.cn2015-11-04 → 2021-04-06 · 4 obs

● 2015-11-04 07:48:22
● 2021-04-06 21:30:40
○ 2026-03-20 20:43:36
○ 2026-03-22 03:29:16

○MXio.bouncemx.com2015-11-04 → 2017-03-23 · 4 obs

● 2015-11-04 07:48:22
● 2017-03-23 22:33:28
○ 2021-01-21 09:49:44
○ 2026-03-22 03:29:16

○A70.39.84.2272016-01-23 → 2016-01-23 · 4 obs

○ 2015-11-04 07:48:22
● 2016-01-23 18:28:02
○ 2016-02-16 11:38:48
○ 2026-03-22 03:29:16

○A70.39.84.2302016-06-27 → 2016-06-27 · 4 obs

○ 2016-02-16 11:38:48
● 2016-06-27 07:13:50
○ 2017-03-23 22:33:28
○ 2026-03-22 03:29:16

○A70.39.84.2392015-11-04 → 2015-11-04 · 3 obs

● 2015-11-04 07:48:22
○ 2016-01-23 18:28:02
○ 2026-03-22 03:29:16

○A70.39.84.2402016-02-16 → 2016-02-16 · 4 obs

○ 2016-01-23 18:28:02
● 2016-02-16 11:38:48
○ 2016-06-27 07:13:50
○ 2026-03-22 03:29:16

○A70.39.84.2502017-03-23 → 2017-03-23 · 4 obs

○ 2016-06-27 07:13:50
● 2017-03-23 22:33:28
○ 2021-01-21 09:49:44
○ 2026-03-22 03:29:16

○CNAMEe.17986.net2021-01-21 → 2021-04-06 · 5 obs

○ 2017-03-23 22:33:28
● 2021-01-21 09:49:44
● 2021-04-06 21:30:40
○ 2026-03-20 20:43:36
○ 2026-03-22 03:29:16

○CNAMEe.dcoin.co2015-11-04 → 2017-03-23 · 4 obs

● 2015-11-04 07:48:22
● 2017-03-23 22:33:28
○ 2021-01-21 09:49:44
○ 2026-03-22 03:29:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn...	-
efr.cn	ns1.22.cn, ns2.22.cn	-

✅ Authoritative Response

Server: 218.98.111.136

NS records: ns1.22.cn, ns2.22.cn

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for efr.cn (unsigned zone)

⏱️ Timing

Total: 3323ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`ns1.22.cn, ns2.22.cn`
SOA	1	`ns1.22.cn dnsadmin.22.cn`

Analysis

Name Servers

efr.cn's delegation uses two name servers, ns1.22.cn and ns2.22.cn.

efr.cn shares the same name server setup as other domains, for example milj.cn, npqe.cn, baziqm.com, sbrm.cn and kshhll.cn.

Host names with four IP numbers: ns2.22.cn points to 240e:97d:10:1402:0:1:0:1002, 1.193.216.203, 183.253.57.207 and 211.99.99.61.

Host names with three IP numbers: ns1.22.cn points to 2001:df2:f080:1::5, 61.158.128.10 and 218.98.111.136.

efr.cn - robtex.com

efr.cn

cn