`szchemtec.com`

	CNAME	`tyun.cms198-31.71360.com`
	DNSSEC	⚠️ Not signed
	A	121.46.198.31^{🇨🇳 UNICOM-JSSZ-IDC121.46.196.0/22 JS-CT SZ-IDC}

`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=1775148672

Same first word

szchemtec.com

DNS History

7 records (6 active, 1 former)

●NSdns.4cun.com2015-08-15 → 2026-04-02 · 2 obs

● 2015-08-15 03:32:18
● 2026-04-02 17:04:08

●NSdns1.4cun.com2026-04-02 → 2026-04-02 · 2 obs

○ 2015-08-15 03:32:18
● 2026-04-02 17:04:08

●NSdns2.51dns.top2026-04-02 → 2026-04-02 · 2 obs

○ 2015-08-15 03:32:18
● 2026-04-02 17:04:08

○MXmail.szchemtec.com2015-08-15 → 2016-09-17 · 3 obs

● 2015-08-15 03:32:18
● 2016-09-17 23:51:38
○ 2026-04-02 17:04:08

●MXmxbiz1.qq.com2026-04-02 → 2026-04-02 · 2 obs

○ 2016-09-17 23:51:38
● 2026-04-02 17:04:08

●MXmxbiz2.qq.com2026-04-02 → 2026-04-02 · 2 obs

○ 2016-09-17 23:51:38
● 2026-04-02 17:04:08

●CNAMEtyun.cms198-31.71360.com2026-04-02 → 2026-04-02 · 1 obs

● 2026-04-02 17:04:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	d.gtld-servers.net, c.gtld-servers.net, a.gtld-servers.net, g.gtld-servers.net...	-
szchemtec.com	dns1.4cun.com, dns2.51dns.top	2 records

✅ Authoritative Response

Server:219.138.102.210

NS records: dns1.4cun.com, dns2.51dns.top

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for szchemtec.com (unsigned zone)

⏱️ Timing

Total: 1592ms | Queries: -

📄 Records

Type	Count	Sample Data
MX	2	`mxbiz1.qq.com (pri: 5), mxbiz2.qq.com (pri: 10)`
CNAME	1	`tyun.cms198-31.71360.com`
SOA	1	`dns.4cun.com admin.szchemtec.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (dns1.4cun.com, dns1.4cun.com)

Analysis

IP Addresses

szchemtec.com resolves to a single IP: 121.46.198.31.

Other host names, for instance, sh-eit.com and tyun.cms198-31.71360.com share IP numbers with szchemtec.com.

szchemtec.com - robtex.com

szchemtec.com

com