`extensions.cn`

DNSSEC	⚠️ Not signed
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}
SOA	`ns1.nowcndns.com`admin@nowcndns.com serial=1781101032

`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 2035-11-22 #75

Same first word

Similar names

(0x736578)tension.com

(0x736578)tension.de

(0x736578)tension.eu

DNS History

13 records (2 active, 11 former)

○NSdns1.name-services.com2015-07-11 → 2017-04-06 · 4 obs

● 2015-07-11 19:23:42
● 2017-04-06 07:14:08
○ 2026-07-12 02:02:08
○ 2026-07-30 18:03:10

○NSdns2.name-services.com2015-07-11 → 2017-04-06 · 4 obs

● 2015-07-11 19:23:42
● 2017-04-06 07:14:08
○ 2026-07-12 02:02:08
○ 2026-07-30 18:03:10

○NSdns3.name-services.com2015-07-11 → 2017-04-06 · 4 obs

● 2015-07-11 19:23:42
● 2017-04-06 07:14:08
○ 2026-07-12 02:02:08
○ 2026-07-30 18:03:10

○NSdns4.name-services.com2015-07-11 → 2017-04-06 · 4 obs

● 2015-07-11 19:23:42
● 2017-04-06 07:14:08
○ 2026-07-12 02:02:08
○ 2026-07-30 18:03:10

○NSdns5.name-services.com2015-07-11 → 2017-04-06 · 4 obs

● 2015-07-11 19:23:42
● 2017-04-06 07:14:08
○ 2026-07-12 02:02:08
○ 2026-07-30 18:03:10

●NSns1.nowcndns.com2026-07-12 → 2026-07-30 · 3 obs

○ 2017-04-06 07:14:08
● 2026-07-12 02:02:08
● 2026-07-30 18:03:10

●NSns2.nowcndns.com2026-07-12 → 2026-07-30 · 3 obs

○ 2017-04-06 07:14:08
● 2026-07-12 02:02:08
● 2026-07-30 18:03:10

○MXeforwardct.name-services.com2015-07-11 → 2017-04-06 · 4 obs

● 2015-07-11 19:23:42
● 2017-04-06 07:14:08
○ 2026-07-12 02:02:08
○ 2026-07-30 18:03:10

○MXeforwardct2.name-services.com2015-07-11 → 2017-04-06 · 4 obs

● 2015-07-11 19:23:42
● 2017-04-06 07:14:08
○ 2026-07-12 02:02:08
○ 2026-07-30 18:03:10

○MXeforwardct3.name-services.com2015-07-11 → 2017-04-06 · 4 obs

● 2015-07-11 19:23:42
● 2017-04-06 07:14:08
○ 2026-07-12 02:02:08
○ 2026-07-30 18:03:10

○A98.124.198.12015-07-11 → 2015-07-11 · 3 obs

● 2015-07-11 19:23:42
○ 2015-11-13 08:49:02
○ 2026-07-30 18:03:10

○A98.124.199.12015-07-11 → 2015-11-13 · 4 obs

● 2015-07-11 19:23:42
● 2015-11-13 08:49:02
○ 2016-03-06 15:45:00
○ 2026-07-30 18:03:10

○A98.124.199.1122016-03-06 → 2017-04-06 · 5 obs

○ 2015-11-13 08:49:02
● 2016-03-06 15:45:00
● 2017-04-06 07:14:08
○ 2026-07-12 02:02:08
○ 2026-07-30 18:03:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	e.dns.cn, a.dns.cn, c.dns.cn, d.dns.cn...	-
extensions.cn	ns1.nowcndns.com, ns2.nowcndns.com	-

✅ Authoritative Response

Server:218.98.111.138

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

🔒 DNSSEC Status

❌ Bogus (DNSSEC validation failed)

Validation error at extensions.cn: Error: DNS query timeout: 203.119.29.1 for DS extensions.cn

⏱️ Timing

Total: 4628ms | Queries: -

📄 Records

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

Analysis

Name Servers

extensions.cn uses two name servers for its delegation: ns1.nowcndns.com and ns2.nowcndns.com.

extensions.cn shares its name server setup with other domains, including qisemao9.cn, imkd.cn, s400.cn and two others.

ns1.nowcndns.com points to 1.193.216.204, 218.98.111.129 and 218.98.111.138. ns2.nowcndns.com points to 61.158.128.11, 183.253.57.202 and 211.99.99.38. Both hosts resolve to three IP numbers.

extensions.cn - robtex.com

extensions.cn

cn

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

Name Servers

`extensions.cn`

`cn`