byf-cn.com - robtex.com

byf-cn.com

DNSSEC⚠️ Not signed
A103.120.80.249🇭🇰 WEST263GO-HK103.120.80.0/23 West263 International Limited 12/F, San Toi Building, 137-139 Connaught Road Central, Hong Kong,
NSns4.myhostadmin.net ⭐
A240e:d9:c200:1::2🇨🇳 CHINANET-SCIDC-AS-AP240e:d9:c000::/36 SICHUANIDC province network
A118.123.253.132🇨🇳 CHINANET-SCIDC-AS-AP118.123.240.0/20 CHINANET SiChuan Telecom Internet Data Center
A211.149.230.100🇨🇳 CHINANET-SCIDC-AS-AP211.149.224.0/19 chinanet SC province network-client
NSns5.myhostadmin.net
A240e:d9:c200::2🇨🇳 CHINANET-SCIDC-AS-AP240e:d9:c000::/36 SICHUANIDC province network
A61.172.183.73🇨🇳 SHANGHAITELECOM61.172.182.0/23 SHIDC
A118.123.249.114🇨🇳 CHINANET-SCIDC-AS-AP118.123.240.0/20 CHINANET SiChuan Telecom Internet Data Center
MXbjmx01.xmail.ntesmail.com ⭐
A47.88.51.176🇺🇸 Alibaba-Cloud47.88.0.0/18 Alibaba Cloud
A198.11.178.73🇺🇸 Alibaba-Cloud198.11.128.0/18 Alibaba.com Inc. 3945 Freedom Circle Suite 600 Santa Clara, CA95054 US
MXbjmx02.xmail.ntesmail.com(10)
A47.88.51.176🇺🇸 Alibaba-Cloud47.88.0.0/18 Alibaba Cloud
A198.11.178.73🇺🇸 Alibaba-Cloud198.11.128.0/18 Alibaba.com Inc. 3945 Freedom Circle Suite 600 Santa Clara, CA95054 US
TXTv=spf1 include:spf.ntesmail.com -all
SOAns4.myhostadmin.netdnsconct@myhostadmin.net 2025-09-25 #32

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=1775290597

Subdomains

mail.byf-cn.com

Same first word

byf-cn.com

DNS History

11 records (5 active, 6 former)

200920112013201520172019202120232025NSns4.myhostadmin.netns5.myhostadmin.netMXbjmx01.xmail.ntesmail.combjmx02.xmail.ntesmail.commail.byf-cn.comqiye163mx01.mxmail.netease.comqiye163mx02.mxmail.netease.comA103.120.80.249203.174.45.20139.109.10.217
○NS(root)2015-07-15 → 2016-12-25 · 4 obs
● 2015-07-15 19:57:36
● 2016-12-25 23:16:42
○ 2026-03-21 11:17:40
○ 2026-04-04 08:30:00
●NSns4.myhostadmin.net2026-03-21 → 2026-04-04 · 3 obs
○ 2016-12-25 23:16:42
● 2026-03-21 11:17:40
● 2026-04-04 08:30:00
●NSns5.myhostadmin.net2026-03-21 → 2026-04-04 · 3 obs
○ 2016-12-25 23:16:42
● 2026-03-21 11:17:40
● 2026-04-04 08:30:00
●MXbjmx01.xmail.ntesmail.com2026-03-21 → 2026-04-04 · 3 obs
○ 2016-12-25 23:16:42
● 2026-03-21 11:17:40
● 2026-04-04 08:30:00
●MXbjmx02.xmail.ntesmail.com2026-03-21 → 2026-04-04 · 3 obs
○ 2016-12-25 23:16:42
● 2026-03-21 11:17:40
● 2026-04-04 08:30:00
○MXmail.byf-cn.com2008-03-15 → 2008-03-15 · 3 obs
● 2008-03-15 18:44:20
○ 2015-07-15 19:57:36
○ 2026-04-04 08:30:00
○MXqiye163mx01.mxmail.netease.com2015-07-15 → 2016-12-25 · 5 obs
○ 2008-03-15 18:44:20
● 2015-07-15 19:57:36
● 2016-12-25 23:16:42
○ 2026-03-21 11:17:40
○ 2026-04-04 08:30:00
○MXqiye163mx02.mxmail.netease.com2015-07-15 → 2016-12-25 · 5 obs
○ 2008-03-15 18:44:20
● 2015-07-15 19:57:36
● 2016-12-25 23:16:42
○ 2026-03-21 11:17:40
○ 2026-04-04 08:30:00
●A103.120.80.2492026-03-21 → 2026-04-04 · 3 obs
○ 2016-12-25 23:16:42
● 2026-03-21 11:17:40
● 2026-04-04 08:30:00
○A203.174.45.2012015-07-15 → 2015-11-08 · 5 obs
○ 2008-03-15 18:44:20
● 2015-07-15 19:57:36
● 2015-11-08 17:25:02
○ 2015-12-28 02:22:12
○ 2026-04-04 08:30:00
○A39.109.10.2172015-12-28 → 2016-12-25 · 5 obs
○ 2015-11-08 17:25:02
● 2015-12-28 02:22:12
● 2016-12-25 23:16:42
○ 2026-03-21 11:17:40
○ 2026-04-04 08:30:00

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comh.gtld-servers.net, d.gtld-servers.net, a.gtld-servers.net, b.gtld-servers.net...-
byf-cn.comns4.myhostadmin.net, ns5.myhostadmin.net-

✅ Authoritative Response

Server:118.123.253.132

NS records: ns4.myhostadmin.net, ns5.myhostadmin.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for byf-cn.com (unsigned zone)

⏱️ Timing

Total: 4435ms | Queries: -

📄 Records

TypeCountSample Data
A1103.120.80.249
NS2ns4.myhostadmin.net, ns5.myhostadmin.net
MX2bjmx02.xmail.ntesmail.com (pri: 10), bjmx01.xmail.ntesmail.com (pri: 5)
TXT1v=spf1 include:spf.ntesmail.com -all
SOA1ns4.myhostadmin.net dnsconct.myhostadmin

Analysis

Hierarchy

mail.byf-cn.com is a child of byf-cn.com.

IP Addresses

byf-cn.com resolves to one IP number: 103.120.80.249.

Other host names, for instance dgmanyi.com, xiangruizj.com, ssfgifts.com, xecc.cn and starlinc.com.cn share IP numbers with byf-cn.com.

Name Servers

byf-cn.com's delegation uses two name servers: ns4.myhostadmin.net and ns5.myhostadmin.net.

byf-cn.com uses the same name server setup as other domains, such as aqnr.cn, sokio.net, cjcz.cn, trustwalletz.com and danlingren.com.

byf-cn.com at least partially shares name servers with other domains, including cdcxdl.com, zbrzeu.cn, a1hood.cn, txfgfr.top and sanz.cn.

These name servers are commonly used with ns6.myhostadmin.net, ns3.myhostadmin.net, ns1.myhostadmin.net, ns2.myhostadmin.net, ns1.363.hk, ns2.363.hk, ns3.363.hk, ns4.363.hk, ns5.363.hk and ns6.363.hk.

Host names with three IP numbers:

The host name ns4.myhostadmin.net resolves to 240e:d9:c200:1::2, 118.123.253.132 and 211.149.230.100.

The host name ns5.myhostadmin.net resolves to 240e:d9:c200::2, 61.172.183.73 and 118.123.249.114.

Mail Servers

byf-cn.com is served by two mail servers bjmx01.xmail.ntesmail.com and bjmx02.xmail.ntesmail.com.

byf-cn.com shares the same mail server setup as other domains, for instance keengle.com, sztozed.com, carolighting.com, plc-profibus.com and artigifts.com.

byf-cn.com shares at least some mail servers with other domains, for example sofirnlight.com, nevforum.com, newfutureti.com, sinecent.com and stledlights.com.

These mail servers are often used with qiye163mx01.mxmail.netease.com and qiye163mx02.mxmail.netease.com.

Host names with two IP numbers

bjmx01.xmail.ntesmail.com points to 47.88.51.176 and 198.11.178.73.

bjmx02.xmail.ntesmail.com points to 47.88.51.176 and 198.11.178.73.

Names pointing to 47.88.51.176: bjmx01.xmail.ntesmail.com and bjmx02.xmail.ntesmail.com.

Names pointing to 198.11.178.73: bjmx01.xmail.ntesmail.com and bjmx02.xmail.ntesmail.com.