ybf100edu.com - robtex.com

ybf100edu.com

DNSSEC⚠️ Not signed
A119.146.223.211🇨🇳 CHINANET-BACKBONE119.144.0.0/14 CHINANET GUANGDONG NETWORK
NSybf100edu.com ⭐
A119.146.223.211🇨🇳 CHINANET-BACKBONE119.144.0.0/14 CHINANET GUANGDONG NETWORK
NSns1.kaijia-smt.com ⚠️ Not in zone NS records
A119.146.223.146🇨🇳 CHINANET-BACKBONE119.144.0.0/14 CHINANET GUANGDONG NETWORK
NSns2.kaijia-smt.com ⚠️ Not in zone NS records
A43.249.29.41🇭🇰 HKKF-143.249.29.0/24 HKKF
MXmxbiz1.qq.com ⭐
A203.205.147.218🇭🇰 TENCENT-NET-AP-CN203.205.147.0/24 Proxy-registered route object
A203.205.232.191🇭🇰 TENCENT-NET-AP-CN203.205.232.0/23 Proxy-registered route object
MXmxbiz2.qq.com(10)
A203.205.232.191🇭🇰 TENCENT-NET-AP-CN203.205.232.0/23 Proxy-registered route object
SOAybf100edu.comybf100edu@com serial=8

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1771291435

NS for

ybf100edu.com

Same first word

ybf100edu.com

DNS History

6 records (6 active, 0 former)

20162017201820192020202120222023202420252026NSns1.kaijia-smt.comns2.kaijia-smt.comybf100edu.comMXmxbiz1.qq.commxbiz2.qq.comA119.146.223.211
●NSns1.kaijia-smt.com2026-02-25 → 2026-03-24 · 3 obs
○ 2015-05-17 13:05:38
● 2026-02-25 20:35:52
● 2026-03-24 10:57:34
●NSns2.kaijia-smt.com2026-02-25 → 2026-03-24 · 3 obs
○ 2015-05-17 13:05:38
● 2026-02-25 20:35:52
● 2026-03-24 10:57:34
●NSybf100edu.com2015-05-17 → 2026-03-24 · 2 obs
● 2015-05-17 13:05:38
● 2026-03-24 10:57:34
●MXmxbiz1.qq.com2015-05-17 → 2026-03-24 · 2 obs
● 2015-05-17 13:05:38
● 2026-03-24 10:57:34
●MXmxbiz2.qq.com2015-05-17 → 2026-03-24 · 2 obs
● 2015-05-17 13:05:38
● 2026-03-24 10:57:34
●A119.146.223.2112015-05-17 → 2026-03-24 · 2 obs
● 2015-05-17 13:05:38
● 2026-03-24 10:57:34

🔍 DNS Trace

Analysis

Name Server Role

ybf100edu.com serves as a name server for ybf100edu.com.

Typically, ns1.kaijia-smt.com and ns2.kaijia-smt.com are used as name servers together with ybf100edu.com.

IP Addresses

ybf100edu.com resolves to one IP number: 119.146.223.211.

other host names including szdida.com, glikan.com.cn, ghwjzp.com, gzsjs.cn and hjguanggao.com share IP numbers with ybf100edu.com.

Name Servers

ybf100edu.com is delegated to three name servers: ybf100edu.com, ns1.kaijia-smt.com and ns2.kaijia-smt.com.

ybf100edu.com at least partially shares name servers with other domains, for instance zhaowei8.com, dgindustry.net, gz(0x787878)x.com, hjguanggao.com and szjtlwj.com.

Host names with one IP number: ybf100edu.com points to 119.146.223.211; ns1.kaijia-smt.com points to 119.146.223.146; ns2.kaijia-smt.com points to 43.249.29.41.

Mail Servers

Two mail servers handle ybf100edu.com: mxbiz1.qq.com and mxbiz2.qq.com.

ybf100edu.com shares the same mail server setup as other domains, for instance ibaidutv.com, inheep.com, tcitek.net, fellowlike.com and cafelin.com.

ybf100edu.com shares some mail servers with other domains, at least partially, for instance idea-sf.com, 3etimes.com, iiot.ac.cn, bjsyex.cn and moko.cn.

These mail servers are commonly used alongside mxn.mxhichina.com and mxw.mxhichina.com.

Host names with two IP numbers: mxbiz1.qq.com points to 203.205.147.218 and 203.205.232.191.

Host names with one IP number: mxbiz2.qq.com points to 203.205.232.191.

Host names that point to 203.205.232.191: mxbiz1.qq.com and mxbiz2.qq.com.