`sintecoptronics.com`

DNSSEC	⚠️ Not signed
A	50.115.114.108^{🇺🇸 UK2NET-AS50.115.114.0/23 MNT-HOSTI-20 route 50.115.114.0/23 AS13213}
		PTR	`swmp-550-116.slc.westdc.net`
NS	`ns1.cnolnic.com` ⭐
		A	240c:4081:8000:1702::4^{🇨🇳 Baidu240c:4081::/32}
		A	180.76.132.118^{🇨🇳 Baidu180.76.128.0/19}
		A	218.5.79.117^{🇨🇳 CHINATELECOM-Fujian-Xiamen-IDC1218.5.72.0/21 厦门}
NS	`ns2.cnolnic.com`
		A	240c:4082:0:5d80::3^{🇨🇳 Baidu240c:4082::/32}
		A	106.12.205.190^{🇨🇳 Baidu106.12.192.0/20 AS38365}
		A	182.61.7.241^{🇨🇳 Baidu182.61.0.0/19}
MX	`mxabjm.chinaemail.cn` ⭐
MX	`mxbjm.chinaemail.cn`⁽¹⁰⁾
TXT	`v=spf1 include:spf.chinaemail.cn -all`
SOA	`ns1.cnolnic.com`root@cnolnic.com 2006-11-24 #1

`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=1777281676

WOT: SAFE (60/100)

Same first word

sintecoptronics.com

DNS History

11 records (5 active, 6 former)

●NSns1.cnolnic.com2016-07-14 → 2026-04-27 · 3 obs

○ 2016-03-11 15:06:54
● 2016-07-14 07:33:10
● 2026-04-27 09:25:04

●NSns2.cnolnic.com2016-07-14 → 2026-04-27 · 3 obs

○ 2016-03-11 15:06:54
● 2016-07-14 07:33:10
● 2026-04-27 09:25:04

○NSwin09ns1.dns-he.com2015-07-17 → 2016-03-11 · 4 obs

● 2015-07-17 21:19:34
● 2016-03-11 15:06:54
○ 2016-07-14 07:33:10
○ 2026-04-27 09:25:04

○NSwin09ns2.dns-he.com2015-07-17 → 2016-03-11 · 4 obs

● 2015-07-17 21:19:34
● 2016-03-11 15:06:54
○ 2016-07-14 07:33:10
○ 2026-04-27 09:25:04

○MX50.115.112.2442016-07-14 → 2017-03-29 · 5 obs

○ 2016-03-11 15:06:54
● 2016-07-14 07:33:10
● 2017-03-29 14:26:30
○ 2026-03-09 21:54:48
○ 2026-04-27 09:25:04

○MXmail.sintecoptronics.com2015-07-17 → 2016-03-11 · 4 obs

● 2015-07-17 21:19:34
● 2016-03-11 15:06:54
○ 2016-07-14 07:33:10
○ 2026-04-27 09:25:04

●MXmxabjm.chinaemail.cn2026-03-09 → 2026-04-27 · 3 obs

○ 2017-03-29 14:26:30
● 2026-03-09 21:54:48
● 2026-04-27 09:25:04

●MXmxbjm.chinaemail.cn2026-03-09 → 2026-04-27 · 3 obs

○ 2017-03-29 14:26:30
● 2026-03-09 21:54:48
● 2026-04-27 09:25:04

○MXwin09ns1.dns-he.com2016-07-14 → 2017-03-29 · 5 obs

○ 2016-03-11 15:06:54
● 2016-07-14 07:33:10
● 2017-03-29 14:26:30
○ 2026-03-09 21:54:48
○ 2026-04-27 09:25:04

○A50.115.112.2442015-07-17 → 2017-03-29 · 4 obs

● 2015-07-17 21:19:34
● 2017-03-29 14:26:30
○ 2026-03-09 21:54:48
○ 2026-04-27 09:25:04

●A50.115.114.1082026-03-09 → 2026-04-27 · 3 obs

○ 2017-03-29 14:26:30
● 2026-03-09 21:54:48
● 2026-04-27 09:25:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
sintecoptronics.com	ns1.cnolnic.com, ns2.cnolnic.com	6 records

✅ Authoritative Response

Server:180.76.132.118

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sintecoptronics.com (unsigned zone)

⏱️ Timing

Total: 3491ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`50.115.114.108`
NS	2	`ns1.cnolnic.com, ns2.cnolnic.com`
MX	2	`mxabjm.chinaemail.cn (pri: 5), mxbjm.chinaemail.cn (pri: 10)`
TXT	1	`v=spf1 include:spf.chinaemail.cn -all`
SOA	1	`ns1.cnolnic.com root.cnolnic.com`

📌 Glue Records Collected

Total: 6

Out-of-bailiwick: 6 (ns1.cnolnic.com, ns1.cnolnic.com, ns1.cnolnic.com...)

Analysis

IP Addresses

sintecoptronics.com points to a single IP: 50.115.114.108.

Other host names, for instance mail.fortwaltonweb.com, softlinkinfotech.in, bonitohibachi.com, screenartists.com and squidjig.com share IP numbers with sintecoptronics.com.

Name Servers

sintecoptronics.com's delegation is to two name servers ns1.cnolnic.com and ns2.cnolnic.com.

sintecoptronics.com shares the same name server configuration as other domains, such as hbfxqy.com, xn--dpq45k.cn, 1067.vh.cnolnic.com, xn--fhqt5id2v6jeetcs98c.cn and arthurswimmingpool.com.

Host names with three IP numbers

The host name ns1.cnolnic.com points to 240c:4081:8000:1702::4, 180.76.132.118 and 218.5.79.117; the host name ns2.cnolnic.com points to 240c:4082:0:5d80::3, 106.12.205.190 and 182.61.7.241

Mail Servers

Two mail servers mxabjm.chinaemail.cn and mxbjm.chinaemail.cn handle sintecoptronics.com.

sintecoptronics.com uses the same mail server setup as other domains such as gxfz.com, lastone.cn, chinakewei.com, chinaburner.com.cn and realeade.com.

sintecoptronics.com shares at least some mail servers with other domains, for instance lalj.cn and cansi.org.cn.

sintecoptronics.com - robtex.com