`imguarray.21cn.com`

DNSSEC	⚠️ Not signed
MX	`mta-ent.21cn.com` ⭐
		A	183.56.203.132^{🇨🇳 CHINANET-Guangdong-GuangZhouNanFangJiDiWang-IDC183.56.192.0/20 CloudVsp.Inc-HYC-double - GZNFJDW Network unicast}
		A	183.56.205.179^{🇨🇳 CHINANET-Guangdong-GuangZhouNanFangJiDiWang-IDC183.56.192.0/20 CloudVsp.Inc-HYC-double - GZNFJDW Network unicast}

`21cn.com`

	DNSSEC	⚠️ Not signed
	A	240e:980:8100::72d9:250d^{🇨🇳 CHINANET-BACKBONE240e::/20 CHINANET-IPv6-ROUTE}
	A	114.217.37.13^{🇨🇳 CHINANET-BACKBONE114.216.0.0/13 China Telecom Network}
	NS	`vip3.alidns.com` ⭐
	NS	`vip4.alidns.com`
	MX	`mta.21cn.com` ⭐
	TXT	`v=spf1 include:mail-spf.21cn.com include:mail01-spf.21cn.com include:mail02-s...`
	SOA	`vip3.alidns.com`hostmaster@hichina.com 2026-01-07 #16

WOT: SAFE (53/100)
rank #10639 globally
rank #5258 in the tld
WOT: SUSPICIOUS (52/100)
📈 Tranco rank: #7,713

1 record (1 active, 0 former)

●MXmta-ent.21cn.com2015-10-14 → 2026-03-25 · 2 obs

● 2015-10-14 04:05:48
● 2026-03-25 02:05:34

Zone	Nameservers	Glue
com	a.gtld-servers.net, i.gtld-servers.net, b.gtld-servers.net, g.gtld-servers.net...	-
21cn.com	vip3.alidns.com, vip4.alidns.com	22 records

Server:121.40.6.163

NS records: vip3.alidns.com, vip4.alidns.com

⚠️ Insecure (no DNSSEC)

No DS record for 21cn.com (unsigned zone)

Total: 3280ms | Queries: -

Type	Count	Sample Data
MX	1	`mta-ent.21cn.com (pri: 10)`

Total: 22

Out-of-bailiwick: 22 (vip3.alidns.com, vip3.alidns.com, vip3.alidns.com...)

imguarray.21cn.com is handled by a single mail server, mta-ent.21cn.com.

imguarray.21cn.com shares mail servers with other domains at least in part, for instance soweier.com, jstcc.cn, dgniu.com, chinatelecomglobal.com and gdhlsy.com.

These mail servers are often used together with the mail servers mailcdn.21cn.com.