`zhangshengtec.com`

DNSSEC	⚠️ Not signed
A	8.218.118.157^{🇭🇰 Alibaba-Cloud8.218.0.0/17 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811}
NS	`a4.share-dns.com` ⭐ ⚠️ Not in parent delegation
		A	172.64.53.25^{🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`a.share-dns.com` ⚠️ Not in zone NS records
		A	172.64.53.25^{🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`b.share-dns.net` ⚠️ Not in zone NS records
		A	172.64.52.239^{🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`b4.share-dns.net` ⚠️ Not in parent delegation
		A	172.64.52.239^{🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
SOA	`a.share-dns.com`master@share-dns.com serial=1766826427

`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=1774675097

Subdomains

mail.zhangshengtec.com

Same first word

zhangshengtec.com

DNS History

12 records (5 active, 7 former)

●NSa.share-dns.com2026-03-28 → 2026-03-28 · 2 obs

○ 2017-11-25 07:44:14
● 2026-03-28 05:22:08

●NSa4.share-dns.com2026-03-28 → 2026-03-28 · 2 obs

○ 2017-11-25 07:44:14
● 2026-03-28 05:22:08

●NSb.share-dns.net2026-03-28 → 2026-03-28 · 2 obs

○ 2017-11-25 07:44:14
● 2026-03-28 05:22:08

●NSb4.share-dns.net2026-03-28 → 2026-03-28 · 2 obs

○ 2017-11-25 07:44:14
● 2026-03-28 05:22:08

○NSns1.myhostadmin.net2016-12-15 → 2017-11-25 · 3 obs

● 2016-12-15 15:16:44
● 2017-11-25 07:44:14
○ 2026-03-28 05:22:08

○NSns2.myhostadmin.net2016-12-15 → 2017-11-25 · 3 obs

● 2016-12-15 15:16:44
● 2017-11-25 07:44:14
○ 2026-03-28 05:22:08

○NSns3.myhostadmin.net2016-12-15 → 2017-11-25 · 3 obs

● 2016-12-15 15:16:44
● 2017-11-25 07:44:14
○ 2026-03-28 05:22:08

○NSns4.myhostadmin.net2016-12-15 → 2017-11-25 · 3 obs

● 2016-12-15 15:16:44
● 2017-11-25 07:44:14
○ 2026-03-28 05:22:08

○NSns5.myhostadmin.net2016-12-15 → 2017-11-25 · 3 obs

● 2016-12-15 15:16:44
● 2017-11-25 07:44:14
○ 2026-03-28 05:22:08

○NSns6.myhostadmin.net2016-12-15 → 2017-11-25 · 3 obs

● 2016-12-15 15:16:44
● 2017-11-25 07:44:14
○ 2026-03-28 05:22:08

○MXmail.zhangshengtec.com2016-12-15 → 2017-11-25 · 3 obs

● 2016-12-15 15:16:44
● 2017-11-25 07:44:14
○ 2026-03-28 05:22:08

●A8.218.118.1572026-03-28 → 2026-03-28 · 1 obs

● 2026-03-28 05:22:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	d.gtld-servers.net, l.gtld-servers.net, h.gtld-servers.net, a.gtld-servers.net...	-
zhangshengtec.com	b4.share-dns.net, a4.share-dns.com	1 record

✅ Authoritative Response

Server:172.64.52.239

NS records: b4.share-dns.net, a4.share-dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for zhangshengtec.com (unsigned zone)

⏱️ Timing

Total: 327ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`8.218.118.157`
NS	2	`a.share-dns.com, b.share-dns.net`
SOA	1	`a.share-dns.com master.share-dns.com`

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (a4.share-dns.com)

Analysis

Hierarchy

The parent of mail.zhangshengtec.com is zhangshengtec.com.

IP Addresses

zhangshengtec.com points to an IP address: 8.218.118.157.

other host names include qbrenzheng.com, 52-520.com, shanghaixianglong.com, 535638.com and www.weimingjiaoyu131413.com; they share IP numbers with zhangshengtec.com.

Name Servers

zhangshengtec.com delegates to four name servers: a4.share-dns.com, a.share-dns.com, b4.share-dns.net and b.share-dns.net.

zhangshengtec.com at least partially shares name servers with other domains, for instance tzfsbn.com, cqytmm.com, 419x.cc, povixa.com and dadirocker.com.