`51fs.com.cn`

DNSSEC	⚠️ Not signed
NS	`ns1.nowcndns.com` ⚠️ Not in zone NS records
		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` ⚠️ Not in zone NS records
		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}

`com.cn`

	DNSSEC	⚠️ Not signed
	NS	`a.dns.cn` ⭐ ⚠️ Not in parent delegation
	NS	`b.dns.cn` ⚠️ Not in parent delegation
	NS	`c.dns.cn` ⚠️ Not in parent delegation
	NS	`cns.cernet.net` ⚠️ Not in parent delegation
	NS	`d.dns.cn` ⚠️ Not in parent delegation
	NS	`e.dns.cn` ⚠️ Not in parent delegation
	SOA	`a.dns.cn`root@cnnic.cn serial=2030693363

WOT: NOT_SAFE (20/100)

Same first word

51fs.com.cn

51fs.com

Similar names

fs15.lol

fs15.com

fs15.lt

f15s.com

sf15.com

sf51.cn

f1s5.com

51sf.com

sf51.com

15sf.cn

15sf.com

fs51.com

DNS History

9 records (2 active, 7 former)

●NSns1.nowcndns.com2026-04-10 → 2026-07-18 · 2 obs

● 2026-04-10 17:54:06
● 2026-07-18 14:31:28

●NSns2.nowcndns.com2026-04-10 → 2026-07-18 · 2 obs

● 2026-04-10 17:54:06
● 2026-07-18 14:31:28

○MXmail.skrimple.com2015-11-16 → 2017-06-24 · 4 obs

● 2015-11-16 03:35:36
● 2017-06-24 11:42:22
○ 2026-04-10 17:54:06
○ 2026-07-18 14:31:28

○A103.51.144.812016-11-25 → 2016-11-27 · 5 obs

○ 2016-05-06 22:10:30
● 2016-11-25 17:14:18
● 2016-11-27 05:25:16
○ 2017-06-24 11:42:22
○ 2026-07-18 14:31:28

○A160.124.25.1232026-04-10 → 2026-07-16 · 21 obs

○ 2017-06-24 11:42:22
● 2026-04-10 17:54:06
● 2026-06-15 01:48:16
○ 2026-06-15 02:42:32
● 2026-06-15 03:20:02
○ 2026-06-27 14:58:40
● 2026-06-28 09:17:20
○ 2026-06-30 00:06:48
● 2026-07-01 22:18:56
○ 2026-07-07 11:48:48
● 2026-07-07 13:11:48
○ 2026-07-07 13:53:04
● 2026-07-07 14:33:24
○ 2026-07-08 07:27:26
● 2026-07-08 07:59:20
○ 2026-07-14 12:44:02
● 2026-07-14 15:44:32
○ 2026-07-16 10:33:02
● 2026-07-16 16:55:30
○ 2026-07-17 06:59:18
○ 2026-07-18 14:31:28

○A23.27.98.2372017-06-24 → 2017-06-24 · 4 obs

○ 2016-11-27 05:25:16
● 2017-06-24 11:42:22
○ 2026-04-10 17:54:06
○ 2026-07-18 14:31:28

○A59.188.232.882015-07-22 → 2015-07-22 · 3 obs

● 2015-07-22 22:22:48
○ 2015-11-16 03:35:36
○ 2026-07-18 14:31:28

○A65.19.157.2342016-05-06 → 2016-05-06 · 4 obs

○ 2016-02-18 01:44:50
● 2016-05-06 22:10:30
○ 2016-11-25 17:14:18
○ 2026-07-18 14:31:28

○A65.19.157.2352015-11-16 → 2016-02-18 · 5 obs

○ 2015-07-22 22:22:48
● 2015-11-16 03:35:36
● 2016-02-18 01:44:50
○ 2016-05-06 22:10:30
○ 2026-07-18 14:31:28

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	d.dns.cn, a.dns.cn, b.dns.cn, c.dns.cn...	-
51fs.com.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 51fs.com.cn (unsigned zone)

⏱️ Timing

Total: 3704ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`160.124.25.123`
NS	2	`ns1.nowcndns.com, ns2.nowcndns.com`
SOA	1	`ns1.nowcndns.com admin.nowcndns.com`

Analysis

Name Servers

Two name servers handle the delegation for 51fs.com.cn: ns1.nowcndns.com and ns2.nowcndns.com.

51fs.com.cn has the same name server delegation as a number of other domains, such as skrzyyl.cn, tinlen.cn, smfb.com.cn and two more.

The hosts ns1.nowcndns.com and ns2.nowcndns.com both resolve to three IP numbers: ns1.nowcndns.com to 1.193.216.204, 218.98.111.129 and 218.98.111.138, and ns2.nowcndns.com to 61.158.128.11, 183.253.57.202 and 211.99.99.38.

51fs.com.cn - robtex.com

51fs.com.cn

com.cn