`mail.cnnc272.com`

CNAME	`email.cnncmail.cn`
CNAME	`email.cnnc.email`
DNSSEC	⚠️ Not signed
A	123.157.243.2^{🇨🇳 CHINA169-Backbone123.157.0.0/16 route of Chinaunicom}
		PTR	`mail.cnpe.cc`
		PTR	`mail.hsycn.cc`
		PTR	`mail.briug.cn`
		PTR	`mail.cbyi.cn`
		PTR	`mail.chinergy.cn`
		PTR	`mail.cnla.cn`
		PTR	`mail.cnnc230.cn`
		PTR	`mail.cnnc404.cn`
		PTR	`edge.cnncmail.cn`
		PTR	`mail.cnncmail.cn`
		PTR	`mail.cnncnit.cn`
		PTR	`mail.cnncxne.cn`
		PTR	`mail.cnos.cn`
		PTR	`mail.cnuc.cn`
		PTR	`mail.hnhonghua.cn`
		PTR	`mail.zhxjky.cn`
		PTR	`mail.cepe.co`
		PTR	`mail.cdhaiguang.com`
		PTR	`mail.cirnic.com`
		PTR	`mail.cnec24.com`
		PTR	`mail.cnec5.com`
		PTR	`mail.cnecc-intl.com`
		PTR	`mail.cnecc.com`
		PTR	`mail.cnechc.com`
		PTR	`mail.cnecme.com`
		PTR	`mail.cni-ht.com`
		PTR	`mail.cni23.com`
		PTR	`mail.cnicec.com`
		PTR	`mail.cnijx.com`
		PTR	`mail.cnire.com`
		PTR	`mail.cnmstc.com`
		PTR	`mail.cnnc-everclean.com`
		PTR	`mail.cnnc272.com`
		PTR	`mail.cnncmed.com`
		PTR	`mail.cnncshenzhen.com`
		PTR	`mail.cnnfc202.com`
		PTR	`mail.cnnp.com`
		PTR	`mail.cnsc-sh.com`
		PTR	`mail.cntc-sh.com`
		PTR	`mail.headwaychina.com`
		PTR	`mail.niunep.com`
		PTR	`mail.puyuan.com`
		PTR	`mail.sufachina.com`
		PTR	`mail.tjyg.com`
		PTR	`mail.xhhydropower.com`
		PTR	`mail.xnic262.com`
		PTR	`mail.zh405.com`
		PTR	`mail.cepe.company`
		PTR	`mail.ceec.email`
		PTR	`edge.cnnc.email`
		PTR	`mail.cnnc.email`
		PTR	`mail.cnsi.ltd`
		PTR	`mail.cnncnit.net`
		PTR	`mail.zh821.net`
		PTR	`mail.cepi.site`
		PTR	`mail.cncc.top`
		PTR	`mail.ciae.ac.cn`
		PTR	`mail.npic.ac.cn`
		PTR	`mail.swip.ac.cn`
		PTR	`mail.cepc.bj.cn`
		PTR	`mail.cncs.bj.cn`
		PTR	`mail.zh100.bj.cn`
		PTR	`mail.aep.com.cn`
		PTR	`mail.bnif.com.cn`
		PTR	`mail.chinasufa.com.cn`
		PTR	`mail.chinergy.com.cn`
		PTR	`mail.cinis.com.cn`
		PTR	`mail.cjnf.com.cn`
		PTR	`mail.cnbmc.com.cn`
		PTR	`mails.cneic.com.cn`
		PTR	`mail.cnhxcc.com.cn`
		PTR	`mail.cni22.com.cn`
		PTR	`mail.cnnc.com.cn`
		PTR	`mail.cnncbx.com.cn`
		PTR	`mail.cnncfc.com.cn`
		PTR	`mail.icnecc.com.cn`
		PTR	`mail.xqcc.com.cn`
		PTR	`mail.zhrzzl.com.cn`
		PTR	`mail.kaili.net.cn`
		PTR	`mail.cirp.org.cn`

`cnnc272.com`

	DNSSEC	⚠️ Not signed
	NS	`ns11.xincache.com` ⭐
	NS	`ns12.xincache.com`
	MX	`edge.cnncmail.cn` ⭐
	TXT	`v=spf1 include:cnncmail.cn -all`
	SOA	`ns11.xincache.com`ns12@xincache.com serial=1719331501

PTR for

2.243.157.123.in-addr.arpa

Same first word

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DNS History

1 record (1 active, 0 former)

●CNAMEemail.cnncmail.cn2026-03-23 → 2026-04-14 · 2 obs

● 2026-03-23 19:15:34
● 2026-04-14 04:54:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
cnnc272.com	ns11.xincache.com, ns12.xincache.com	12 records

✅ Authoritative Response

Server:1.12.0.1

NS records: ns11.xincache.com, ns12.xincache.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cnnc272.com (unsigned zone)

⏱️ Timing

Total: 76ms | Queries: -

📄 Records

Type	Count	Sample Data
CNAME	1	`email.cnncmail.cn`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (ns11.xincache.com, ns11.xincache.com, ns11.xincache.com...)

Analysis

IP Addresses

mail.cnnc272.com points to a single IP number: 123.157.243.2.

Other host names, for instance smtp.cnncmail.cn, cniwy.com, webcn2.cnncnit.cn, swip.ac.cn and webcn1.cnncnit.cn share IP numbers with mail.cnnc272.com.

mail.cnnc272.com - robtex.com

mail.cnnc272.com

cnnc272.com