`chemmachine-3j.com`

DNSSEC	⚠️ Not signed
NS	`ns1.chinanetsun.com` ⭐
		A	240e:96c:200:2e03::7^{🇨🇳 SHANGHAITELECOM240e:96c::/32 Chinanet Shanghai}
		A	180.235.66.112^{🇨🇳 SHANGHAITELECOM180.235.64.0/22 Chinanet Shanghai}
NS	`ns2.chinanetsun.com`
		A	240e:96c:200:2e03::70^{🇨🇳 SHANGHAITELECOM240e:96c::/32 Chinanet Shanghai}
		A	222.73.8.7^{🇨🇳 SHANGHAITELECOM222.73.8.0/21 SHIDC}
MX	`mx1.chinanetsun.com` ⭐
		A	180.235.66.99^{🇨🇳 SHANGHAITELECOM180.235.64.0/22 Chinanet Shanghai}
			PTR	`m99.chinanetsun.com`
MX	`mx1a.chinanetsun.com`⁽²⁰⁾
		A	162.14.140.149^{🇨🇳 TENCENT-NET-AP162.14.128.0/20}
TXT	`v=spf1 include:spf.chinanetsun.com -all`
SOA	`ns1.chinanetsun.com`task@netsun.com 2008-01-02 #2

`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=1775957292

Subdomains

www.chemmachine-3j.com

Same first word

chemmachine-3j.com

DNS History

4 records (4 active, 0 former)

●NSns1.chinanetsun.com2015-07-19 → 2026-04-12 · 2 obs

● 2015-07-19 03:30:46
● 2026-04-12 01:40:08

●NSns2.chinanetsun.com2015-07-19 → 2026-04-12 · 2 obs

● 2015-07-19 03:30:46
● 2026-04-12 01:40:08

●MXmx1.chinanetsun.com2015-07-19 → 2026-04-12 · 2 obs

● 2015-07-19 03:30:46
● 2026-04-12 01:40:08

●MXmx1a.chinanetsun.com2015-07-19 → 2026-04-12 · 2 obs

● 2015-07-19 03:30:46
● 2026-04-12 01:40:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	g.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, l.gtld-servers.net...	-
chemmachine-3j.com	ns1.chinanetsun.com, ns2.chinanetsun.com	4 records

✅ Authoritative Response

Server:180.235.66.112

NS records: ns1.chinanetsun.com, ns2.chinanetsun.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for chemmachine-3j.com (unsigned zone)

⏱️ Timing

Total: 501ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`ns1.chinanetsun.com, ns2.chinanetsun.com`
MX	2	`mx1.chinanetsun.com (pri: 10), mx1a.chinanetsun.com (pri: 20)`
TXT	1	`v=spf1 include:spf.chinanetsun.com -all`
SOA	1	`ns1.chinanetsun.com task.netsun.com`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns1.chinanetsun.com, ns1.chinanetsun.com, ns2.chinanetsun.com...)

Analysis

Hierarchy

The parent of www.chemmachine-3j.com is chemmachine-3j.com.

Name Servers

chemmachine-3j.com is delegated to two name servers: ns1.chinanetsun.com and ns2.chinanetsun.com.

chemmachine-3j.com shares the same name server setup as jindapharm.com, kelinbolun.com, farshinechemical.com, guirenchem.com and dlchemical.com.

Host names with two IP numbers: ns1.chinanetsun.com points to: 240e:96c:200:2e03::7 and 180.235.66.112; ns2.chinanetsun.com points to: 240e:96c:200:2e03::70 and 222.73.8.7.

Mail Servers

chemmachine-3j.com is handled by two mail servers: mx1.chinanetsun.com and mx1a.chinanetsun.com.

The mail server setup for chemmachine-3j.com matches that of other domains, for instance huashengzj.com, yt-si.com, wentong.com, hengshunchem.com and dragon-chem.com.

chemmachine-3j.com shares some mail servers with other domains, at least partially, for example agilemfg.com.cn, chinataurine.com, aotongchem.com.cn and tdltex.com.

Host names with a single IP:

mx1.chinanetsun.com points to 180.235.66.99.

mx1a.chinanetsun.com points to 162.14.140.149.

chemmachine-3j.com - robtex.com