`szztw.com`

	DNSSEC	⚠️ Not signed
	A	103.21.141.130^{🇨🇳 SHANGHAITELECOM103.21.140.0/23 Chinanet Shanghai}
	NS	`dns.bizcn.com` ⭐
	NS	`ns7.cnmsn.net`
	NS	`ns8.cnmsn.net`
	MX	`qiye163mx01.mxmail.netease.com` ⭐
	MX	`qiye163mx02.mxmail.netease.com`⁽¹⁰⁾
	TXT	`v=spf1 include:spf.163.com -all`
	SOA	`dns.bizcn.com`abuse@bizcn.com serial=15

`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=1784186342

Subdomains

mail.szztw.com

Same first word

szztw.com

Similar names

wszzt.com

szwtz.com.cn

zzwst.cn

zstzw.com

wtszz.com

stzzw.com

tzzsw.com

tzzsw.net

zsztw.cn

DNS History

10 records (6 active, 4 former)

●NSdns.bizcn.com2017-08-15 → 2026-07-16 · 3 obs

○ 2016-12-03 05:00:14
● 2017-08-15 21:51:58
● 2026-07-16 07:43:32

○NSns1.dns.com.cn2017-08-15 → 2017-08-15 · 4 obs

○ 2016-12-03 05:00:14
● 2017-08-15 21:51:58
○ 2026-05-26 06:20:24
○ 2026-07-16 07:43:32

○NSns2.dns.com.cn2015-08-03 → 2017-08-15 · 4 obs

● 2015-08-03 23:43:44
● 2017-08-15 21:51:58
○ 2026-05-26 06:20:24
○ 2026-07-16 07:43:32

○NSns3.dns.com.cn2015-08-03 → 2016-12-03 · 4 obs

● 2015-08-03 23:43:44
● 2016-12-03 05:00:14
○ 2017-08-15 21:51:58
○ 2026-07-16 07:43:32

●NSns7.cnmsn.net2026-05-26 → 2026-07-16 · 3 obs

○ 2017-08-15 21:51:58
● 2026-05-26 06:20:24
● 2026-07-16 07:43:32

●NSns8.cnmsn.net2026-05-26 → 2026-07-16 · 3 obs

○ 2017-08-15 21:51:58
● 2026-05-26 06:20:24
● 2026-07-16 07:43:32

○MXmail.szztw.com2015-08-03 → 2016-03-30 · 4 obs

● 2015-08-03 23:43:44
● 2016-03-30 18:20:22
○ 2017-08-15 21:51:58
○ 2026-07-16 07:43:32

●MXqiye163mx01.mxmail.netease.com2017-08-15 → 2026-07-16 · 3 obs

○ 2016-03-30 18:20:22
● 2017-08-15 21:51:58
● 2026-07-16 07:43:32

●MXqiye163mx02.mxmail.netease.com2017-08-15 → 2026-07-16 · 3 obs

○ 2016-03-30 18:20:22
● 2017-08-15 21:51:58
● 2026-07-16 07:43:32

●A103.21.141.1302026-05-26 → 2026-07-16 · 2 obs

● 2026-05-26 06:20:24
● 2026-07-16 07:43:32

🔍 DNS Trace

Analysis

Hierarchy

mail.szztw.com is delegated beneath szztw.com.

IP Addresses

szztw.com has exactly one IP address — 103.21.141.130.

hydfh.com, issrv.com, njhongya.com plus two other host names have IP numbers in common with szztw.com.

Name Servers

szztw.com is delegated to three name servers: dns.bizcn.com, ns7.cnmsn.net and ns8.cnmsn.net.

There is at least partial name server overlap between szztw.com and other domains — boyehr.com, secu.com.cn, china-uis.com and two more among them.

These name servers regularly appear alongside ns1.dns.com.cn, ns2.dns.com.cn, ns13.dns.com.cn and 4 other name servers in NS record sets.

Mail Servers

szztw.com uses two mail servers, qiye163mx01.mxmail.netease.com and qiye163mx02.mxmail.netease.com.

The mail server setup of szztw.com matches that of other domains such as brightkun.com, kingdomfireworks.com, ueeshop.com and two others.

At least some of the mail servers used by szztw.com are shared with other domains: dviav.com, xilongcable.com, szbf.co and two others among them.

szztw.com - robtex.com

szztw.com

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