`back2eco.com`

DNSSEC	⚠️ Not signed
A	138.91.235.8^{🇺🇸 Microsoft138.91.0.0/16 MICROSOFT}
NS	`dns3.hichina.com` ⭐
		A	2408:4009:501::11^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.43^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.63^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.203^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.213^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.43^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.63^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.113^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
		A	139.224.142.123^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
NS	`dns4.hichina.com`
		A	2408:4009:501::12^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.44^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.54^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.204^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.214^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.44^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.54^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.114^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
		A	139.224.142.124^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
MX	`hzmx01.mxmail.netease.com` ⭐
		A	47.251.71.119^{🇺🇸 Alibaba-Cloud47.251.0.0/17 Proxy-registered route object}
		A	47.251.84.126^{🇺🇸 Alibaba-Cloud47.251.0.0/17 Proxy-registered route object}
MX	`hzmx02.mxmail.netease.com`⁽¹⁰⁾
		A	47.251.71.119^{🇺🇸 Alibaba-Cloud47.251.0.0/17 Proxy-registered route object}
		A	47.251.84.126^{🇺🇸 Alibaba-Cloud47.251.0.0/17 Proxy-registered route object}
TXT	`v=spf1 include:spf.163.com -all`
SOA	`dns3.hichina.com`hostmaster@hichina.com 2026-01-12 #9

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1774576977

Same first word

back2eco.com

DNS History

5 records (5 active, 0 former)

●NSdns3.hichina.com2026-02-25 → 2026-03-27 · 2 obs

● 2026-02-25 07:26:54
● 2026-03-27 02:26:02

●NSdns4.hichina.com2026-02-25 → 2026-03-27 · 2 obs

● 2026-02-25 07:26:54
● 2026-03-27 02:26:02

●MXhzmx01.mxmail.netease.com2026-02-25 → 2026-03-27 · 2 obs

● 2026-02-25 07:26:54
● 2026-03-27 02:26:02

●MXhzmx02.mxmail.netease.com2026-02-25 → 2026-03-27 · 2 obs

● 2026-02-25 07:26:54
● 2026-03-27 02:26:02

●A138.91.235.82026-02-25 → 2026-03-27 · 2 obs

● 2026-02-25 07:26:54
● 2026-03-27 02:26:02

🔍 DNS Trace

Analysis

IP Addresses

back2eco.com points to a single IP address: 138.91.235.8.

Other host names such as bioetp.net, cnccib.com, bigtork.com, mail.letsopen.com and yomesorb.com share IPs with back2eco.com.

Name Servers

Two name servers dns3.hichina.com and dns4.hichina.com handle the delegation for back2eco.com.

back2eco.com shares the same name server setup as other domains, for example jsnaipu.com, bjaihe.com, rsjepn.cn, qfnp9c.xyz and bailong.online.

back2eco.com at least partially shares name servers with other domains, for example hdyu.com, vividnet.cn, kastler.com.cn, kpqn.net and secsoft.net.

These name servers are often used together with expirens3.hichina.com and expirens4.hichina.com.

Host names with nine IP numbers: dns3.hichina.com points to: 2408:4009:501::11, 39.96.153.43, 39.96.153.63, 47.118.199.203, 47.118.199.213, 120.76.107.43, 120.76.107.63, 139.224.142.113 and 139.224.142.123; dns4.hichina.com points to: 2408:4009:501::12, 39.96.153.44, 39.96.153.54, 47.118.199.204, 47.118.199.214, 120.76.107.44, 120.76.107.54, 139.224.142.114 and 139.224.142.124.

Mail Servers

Two mail servers handle back2eco.com: hzmx01.mxmail.netease.com and hzmx02.mxmail.netease.com.

back2eco.com shares the same mail server setup as other domains, including goccs.cn, justsun.com.cn, gzjingjie.com, sdhgdq.com and ohrbo.com.