`sjtr.com`

DNSSEC	⚠️ Not signed
A	180.76.132.171^{🇨🇳 Baidu180.76.128.0/19}
NS	`ns1.cnolnic.com` ⭐
		A	240c:4081:8000:1702::4^{🇨🇳 Baidu240c:4081::/32}
		A	106.12.41.178^{🇨🇳 Baidu106.12.32.0/19}
		A	180.76.132.118^{🇨🇳 Baidu180.76.128.0/19}
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` ⭐
		A	124.156.133.22^{🇭🇰 TENCENT-NET-AP-CN124.156.132.0/22 CMI (Customer Route)}
MX	`mxbjm.chinaemail.cn`⁽¹⁰⁾
		A	180.76.132.206^{🇨🇳 Baidu180.76.128.0/19}
TXT	`v=spf1 include:spf.chinaemail.cn -all`
SOA	`ns1.cnolnic.com`root@cnolnic.net 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=1783157716

Subdomains

mail.sjtr.com

Same first word

sjtr.dk

sjtr.ir

sjtr.org

sjtr.com

Similar names

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tjsr.org

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srtj.com.cn

jstr.nl

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jrts.co.uk

trsj.de

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sjrt.com

srjt.de

DNS History

11 records (5 active, 6 former)

●NSns1.cnolnic.com2015-07-23 → 2026-07-04 · 2 obs

● 2015-07-23 06:01:22
● 2026-07-04 09:50:22

●NSns2.cnolnic.com2015-07-23 → 2026-07-04 · 2 obs

● 2015-07-23 06:01:22
● 2026-07-04 09:50:22

○MXmx137e.cnm.cn2015-07-23 → 2016-04-22 · 4 obs

● 2015-07-23 06:01:22
● 2016-04-22 16:51:06
○ 2016-09-10 22:58:16
○ 2026-07-04 09:50:22

●MXmxabjm.chinaemail.cn2026-05-24 → 2026-07-04 · 3 obs

○ 2020-03-11 09:37:56
● 2026-05-24 21:16:26
● 2026-07-04 09:50:22

●MXmxbjm.chinaemail.cn2026-05-24 → 2026-07-04 · 3 obs

○ 2020-03-11 09:37:56
● 2026-05-24 21:16:26
● 2026-07-04 09:50:22

○MXmxn.mxhichina.com2016-09-10 → 2020-03-11 · 5 obs

○ 2016-04-22 16:51:06
● 2016-09-10 22:58:16
● 2020-03-11 09:37:56
○ 2026-05-24 21:16:26
○ 2026-07-04 09:50:22

○MXmxw.mxhichina.com2016-09-10 → 2020-03-11 · 5 obs

○ 2016-04-22 16:51:06
● 2016-09-10 22:58:16
● 2020-03-11 09:37:56
○ 2026-05-24 21:16:26
○ 2026-07-04 09:50:22

○A139.129.150.62016-09-10 → 2017-04-01 · 5 obs

○ 2016-04-22 16:51:06
● 2016-09-10 22:58:16
● 2017-04-01 22:35:02
○ 2020-03-11 09:37:56
○ 2026-07-04 09:50:22

●A180.76.132.1712020-03-11 → 2026-07-04 · 3 obs

○ 2017-04-01 22:35:02
● 2020-03-11 09:37:56
● 2026-07-04 09:50:22

○A211.152.51.392015-07-23 → 2015-07-23 · 3 obs

● 2015-07-23 06:01:22
○ 2015-09-18 10:08:22
○ 2026-07-04 09:50:22

○A218.5.79.362015-09-18 → 2016-04-22 · 5 obs

○ 2015-07-23 06:01:22
● 2015-09-18 10:08:22
● 2016-04-22 16:51:06
○ 2016-09-10 22:58:16
○ 2026-07-04 09:50:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	g.gtld-servers.net, i.gtld-servers.net, c.gtld-servers.net, b.gtld-servers.net...	-
sjtr.com	ns1.cnolnic.com, ns2.cnolnic.com	6 records

✅ Authoritative Response

Server:106.12.41.178

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sjtr.com (unsigned zone)

⏱️ Timing

Total: 615ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`180.76.132.171`
NS	2	`ns1.cnolnic.com, ns2.cnolnic.com`
MX	2	`mxbjm.chinaemail.cn (pri: 10), mxabjm.chinaemail.cn (pri: 5)`
TXT	1	`v=spf1 include:spf.chinaemail.cn -all`
SOA	1	`ns1.cnolnic.com root.cnolnic.net`

📌 Glue Records Collected

Total: 6

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

Analysis

Hierarchy

mail.sjtr.com is delegated beneath sjtr.com.

IP Addresses

sjtr.com points to a single IP number: 180.76.132.171.

Additional host names — gdecho.cn, neturen.net, sdtfcc.com and two others — share IP numbers with sjtr.com.

Name Servers

sjtr.com is delegated to two name servers: ns1.cnolnic.com and ns2.cnolnic.com.

sjtr.com shares its name server setup with other domains, including wsw.cn, sinotekworld.com, cnmuye.com and two others.

ns1.cnolnic.com points to 106.12.41.178, 180.76.132.118 and 240c:4081:8000:1702::4. ns2.cnolnic.com points to 106.12.205.190, 182.61.7.241 and 240c:4082:0:5d80::3. Both hosts resolve to three IP numbers.

Mail Servers

sjtr.com has two mail servers: mxabjm.chinaemail.cn and mxbjm.chinaemail.cn.

sjtr.com shares the same mail server setup as other domains, including cndomi.com, tyhsz.cn, zhiyubiotech.com and two others.

sjtr.com shares mail servers — at least in part — with other domains, including cnolnic.com, rowanworld.com, cnyufeng.com.cn and two others.

mxabjm.chinaemail.cn → 124.156.133.22 and mxbjm.chinaemail.cn → 180.76.132.206: one IP number per host name.

sjtr.com - robtex.com

sjtr.com

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