`mx.51biz.com`

CNAME	`mail.51biz.com`
DNSSEC	⚠️ Not signed
A	211.150.82.6^{🇨🇳 CHINA-1211.150.80.0/20 China Telecom Beijing Co. Ltd.}
		PTR	`mx.263.net`

`51biz.com`

	DNSSEC	⚠️ Not signed
	NS	`ns1.35.net` ⭐
	NS	`ns2.35.net`
	NS	`ns3.35.net`
	NS	`ns4.35.net`
	MX	`mx01.263xmail.com` ⭐
	MX	`mxw.263xmail.com`⁽¹⁰⁾
	TXT	`v=spf1 include:spf.263.net -all`
	SOA	`ns1.35.net`dnsconct@myhostadmin.net 2025-05-21 #13

MX for

shlmc.com.cn

luoan.com.cn

tdschem.com

jnfineyarn.com

systematic.cn

mx.tdschem.com

455hospital.cn

Previously MX for

gunzefiber.com

ssccp.com

cjc-sh.com

bxgqs.com

sowashcn.com

Same first word

mx.co.ua

mx.al

mx

mx.org

mx.net.au

mx.sb

mx.sub.jp

mx.nf

mx.kg

mx.fm

mx.dk

mx.mil.lv

mx.is

mx.ac.cn

mx.uz

mx.mt

mx.lt

mx.co.at

mx.ua

mx.csb.app

mx.au

mx.go.gov.br

mx.com.mx

mx.dev

mx.su

mx.com.au

mx.123hjemmeside.no

mx.cl

mx.by

mx.bplaced.net

mx.uy

mx.dyndns-mail.com

mx.io

mx.co.ke

mx.vg

mx.gp

mx.cloudaccess.net

mx.gs

mx.global.prod.fastly.net

mx.email

mx.com.pt

mx.ru

mx.services

mx.pl

mx.ht

mx.uk

mx.no

mx.cloud.nospamproxy.com

mx.agency

mx.rs

mx.vc

mx.cloudflare.net

mx.ws

mx.plus

mx.zone

mx.co.za

mx.tours

mx.s3.amazonaws.com

mx.com.tw

mx.vu

mx.biz

mx.ms

mx.network

mx.se.gov.br

mx.gy

mx.pe

mx.realm.cz

mx.tn

mx.mk

mx.exchange

mx.kh.ua

mx.md

mx.to

mx.saotome.st

mx.cm

mx.graphics

mx.cx

mx.support

mx.myftp.org

mx.duckdns.org

mx.kinghost.net

mx.gouv.ci

mx.money

mx.kasserver.com

mx.com.ar

mx.sytes.net

mx.center

mx.withyoutube.com

mx.mba

mx.co.uk

mx.s3-website-eu-west-1.amazonaws.com

mx.s3-website-us-east-1.amazonaws.com

mx.design

mx.s3-website-us-west-1.amazonaws.com

mx.msk.ru

mx.scrapping.cc

mx.tv

mx.casino

mx.ma

mx.dyndns.org

mx.sh

mx.ax

mx.lv

mx.abbott

mx.or.at

mx.cn

mx.servebbs.org

mx.microsoft

mx.ph

mx.myftp.biz

mx.com.tr

mx.be

mx.guru

mx.selfip.com

mx.co

mx.ro

mx.com.kz

Similar names

xm.kiev.ua

xm.js.cn

xm.cc

xm.by

xm.world

xm.lt

xm.com.ua

xm.ru

xm.de

xm.cl

xm.sk

xm.se

xm.hu

xm.com.co

xm.africa

xm.fi

xm.is

xm.am

xm.money

xm.be

xm.cz

xm.hk.cn

xm.fj.cn

xm.pl

xm.vn.ua

xm.house

xm.mk

xm.com

DNS History

3 records (1 active, 2 former)

○A211.150.82.62015-06-17 → 2017-01-06 · 4 obs

● 2015-06-17 23:35:08
● 2017-01-06 16:13:30
○ 2026-02-18 12:00:30
○ 2026-04-14 12:19:24

●CNAMEmail.51biz.com2015-06-17 → 2026-04-14 · 2 obs

● 2015-06-17 23:35:08
● 2026-04-14 12:19:24

○CNAMEmx01.263xmail.com2015-09-10 → 2015-10-26 · 5 obs

○ 2015-06-17 23:35:08
● 2015-09-10 14:52:52
● 2015-10-26 03:30:12
○ 2015-10-31 09:36:40
○ 2026-04-14 12:19:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, g.gtld-servers.net, c.gtld-servers.net, f.gtld-servers.net...	-
51biz.com	ns3.35.net, ns2.35.net, ns1.35.net, ns4.35.net	-

✅ Authoritative Response

Server:118.123.253.132

NS records: ns3.35.net, ns2.35.net, ns1.35.net, ns4.35.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 51biz.com (unsigned zone)

⏱️ Timing

Total: 1465ms | Queries: -

📄 Records

Type	Count	Sample Data
CNAME	1	`mail.51biz.com`

Analysis

Mail Server Role

mx.51biz.com serves as the mail server for shlmc.com.cn, luoan.com.cn, tdschem.com, jnfineyarn.com and systematic.cn and a few other domains.

mx1.chengmail.cn, mx2.chengmail.cn and mail.51biz.com are commonly used as mail servers together with mx.51biz.com.

IP Addresses

mx.51biz.com points to a single IP address: 211.150.82.6.

Other host names such as mx.gz.link263.com, mx.qztc.com, mxw.gz.link263.com, mxcom.gz263xmail.com and dadaco.com.cn share IP numbers with mx.51biz.com.

mx.51biz.com - robtex.com

mx.51biz.com

51biz.com