yfbs.cn - robtex.com

yfbs.cn

DNSSEC⚠️ Not signed
A43.251.103.51🇨🇳 TJSSYNTCL-AS-AP43.251.103.0/24 Tianjin Shi Shi Ji Hulian Yuntong Network Technology Co., Ltd.
NSns1.julydns.com ⭐ ⚠️ Not in parent delegation
A162.159.48.223Cloudflare162.159.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSns1.judns.com ⚠️ Not in zone NS records
A162.159.27.251Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSns2.judns.com ⚠️ Not in zone NS records
A162.159.27.251Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSns2.julydns.com ⚠️ Not in parent delegation
A162.159.48.223Cloudflare162.159.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
SOAns1.julydns.commaster@jmdns.com serial=1774770736

cn

DNSSEC🔒 Signed (DS record present)
NSa.dns.cn ⭐
NSb.dns.cn
NSc.dns.cn
NSd.dns.cn
NSe.dns.cn
NSns.cernet.net ⚠️ Not in parent delegation
SOAa.dns.cnroot@cnnic.cn serial=2034794961

Subdomains

www.yfbs.cn

Same first word

yfbs.cn
yfbs.com
yfbs.net

Similar names

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DNS History

14 records (5 active, 9 former)

20162017201820192020202120222023202420252026NSns1.judns.comns1.julydns.comns2.judns.comns2.julydns.comalloy.dnspod.netpomelo.dnspod.netwww.yfbs.cnMXio.bouncemx.comA43.251.103.51113.10.190.13770.39.84.23970.39.84.249CNAMEy.dcoin.coymvip2.ikuaimi.com
○NSalloy.dnspod.net2026-03-27 → 2026-03-27 · 4 obs
○ 2017-03-13 10:53:22
● 2026-03-27 16:27:48
○ 2026-04-01 11:11:58
○ 2026-05-15 07:55:50
●NSns1.judns.com2026-04-01 → 2026-05-15 · 3 obs
○ 2026-03-27 16:27:48
● 2026-04-01 11:11:58
● 2026-05-15 07:55:50
●NSns1.julydns.com2026-04-01 → 2026-05-15 · 3 obs
○ 2026-03-27 16:27:48
● 2026-04-01 11:11:58
● 2026-05-15 07:55:50
●NSns2.judns.com2026-04-01 → 2026-05-15 · 3 obs
○ 2026-03-27 16:27:48
● 2026-04-01 11:11:58
● 2026-05-15 07:55:50
●NSns2.julydns.com2026-04-01 → 2026-05-15 · 3 obs
○ 2026-03-27 16:27:48
● 2026-04-01 11:11:58
● 2026-05-15 07:55:50
○NSpomelo.dnspod.net2026-03-27 → 2026-03-27 · 4 obs
○ 2017-03-13 10:53:22
● 2026-03-27 16:27:48
○ 2026-04-01 11:11:58
○ 2026-05-15 07:55:50
○NSwww.yfbs.cn2016-04-08 → 2017-03-13 · 4 obs
● 2016-04-08 16:38:26
● 2017-03-13 10:53:22
○ 2026-03-27 16:27:48
○ 2026-05-15 07:55:50
○MXio.bouncemx.com2016-04-08 → 2017-03-13 · 4 obs
● 2016-04-08 16:38:26
● 2017-03-13 10:53:22
○ 2026-03-27 16:27:48
○ 2026-05-15 07:55:50
○A113.10.190.1372015-10-23 → 2016-01-14 · 4 obs
● 2015-10-23 06:28:40
● 2016-01-14 21:34:02
○ 2016-04-08 16:38:26
○ 2026-05-15 07:55:50
●A43.251.103.512026-04-01 → 2026-05-15 · 3 obs
○ 2026-03-27 16:27:48
● 2026-04-01 11:11:58
● 2026-05-15 07:55:50
○A70.39.84.2392016-04-08 → 2016-04-08 · 4 obs
○ 2016-01-14 21:34:02
● 2016-04-08 16:38:26
○ 2016-07-02 15:39:18
○ 2026-05-15 07:55:50
○A70.39.84.2492016-07-02 → 2016-07-02 · 4 obs
○ 2016-04-08 16:38:26
● 2016-07-02 15:39:18
○ 2026-03-27 16:27:48
○ 2026-05-15 07:55:50
○CNAMEy.dcoin.co2016-04-08 → 2017-03-13 · 4 obs
● 2016-04-08 16:38:26
● 2017-03-13 10:53:22
○ 2026-03-27 16:27:48
○ 2026-05-15 07:55:50
○CNAMEymvip2.ikuaimi.com2026-03-27 → 2026-03-27 · 4 obs
○ 2017-03-13 10:53:22
● 2026-03-27 16:27:48
○ 2026-04-01 11:11:58
○ 2026-05-15 07:55:50

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cne.dns.cn, a.dns.cn, c.dns.cn, d.dns.cn...-
yfbs.cnns1.judns.com, ns2.judns.com-

✅ Authoritative Response

Server:162.159.27.251

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

🔒 DNSSEC Status

❌ Bogus (DNSSEC validation failed)

Validation error at cn: Error: DNS query timeout: 203.119.29.1 for DNSKEY cn

⏱️ Timing

Total: 4151ms | Queries: -

📄 Records

TypeCountSample Data
A143.251.103.51
NS2ns1.julydns.com, ns2.julydns.com
SOA1ns1.julydns.com master.jmdns.com

Analysis

Hierarchy

The parent of www.yfbs.cn is yfbs.cn.

IP Addresses

yfbs.cn points to a single IP address: 43.251.103.51.

Other host names, for example www.pinleng.com, www.yfbs.cn and pinleng.com share IPs with yfbs.cn.

Name Servers

yfbs.cn is delegated to four name servers: ns1.judns.com, ns2.judns.com, ns1.julydns.com and ns2.julydns.com.

yfbs.cn at least partially shares name servers with other domains, for example gumikj.com, yhfz.net, gdqyue.com, 15wa.com and lvem.cn.

ns1.judns.com points to 162.159.27.251

ns2.judns.com points to 162.159.27.251

ns1.julydns.com points to 162.159.48.223

ns2.julydns.com points to 162.159.48.223

ns1.judns.com and ns2.judns.com point to 162.159.27.251

ns1.julydns.com and ns2.julydns.com point to 162.159.48.223