`smt71.cn`

DNSSEC	⚠️ Not signed
NS	`ns1.dns.com.cn` ⚠️ Not in zone NS records
		A	240c:4082:ffff:ff01:0:d:0:34a^{🇨🇳 Baidu240c:4082::/32}
		A	61.172.183.70^{🇨🇳 SHANGHAITELECOM61.172.182.0/23 SHIDC}
		A	61.240.129.114^{🇨🇳 CHINA169-Backbone61.240.128.0/19 CMI (Customer Route)}
NS	`ns2.dns.com.cn` ⚠️ Not in zone NS records
		A	240c:4082:ffff:ff01:0:d:0:69^{🇨🇳 Baidu240c:4082::/32}
		A	61.172.183.76^{🇨🇳 SHANGHAITELECOM61.172.182.0/23 SHIDC}
		A	61.240.129.147^{🇨🇳 CHINA169-Backbone61.240.128.0/19 CMI (Customer Route)}

`cn`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.dns.cn` ⭐
	NS	`b.dns.cn`
	NS	`c.dns.cn`
	NS	`d.dns.cn`
	NS	`e.dns.cn`
	NS	`ns.cernet.net` ⚠️ Not in parent delegation
	SOA	`a.dns.cn`root@cnnic.cn serial=2035126086

Same first word

smt71.com

smt71.cn

DNS History

6 records (2 active, 4 former)

○NSdns.bizcn.com2017-02-12 → 2026-02-16 · 5 obs

○ 2016-04-19 23:48:48
● 2017-02-12 05:50:34
● 2026-02-16 13:44:12
○ 2026-06-13 10:18:54
○ 2026-08-03 02:31:02

●NSns1.dns.com.cn2015-05-31 → 2026-08-03 · 2 obs

● 2015-05-31 04:33:34
● 2026-08-03 02:31:02

●NSns2.dns.com.cn2015-05-31 → 2026-08-03 · 5 obs

● 2015-05-31 04:33:34
● 2016-04-19 23:48:48
○ 2017-02-12 05:50:34
● 2019-02-05 19:55:46
● 2026-08-03 02:31:02

○MXmxn.mxhichina.com2026-02-16 → 2026-02-16 · 3 obs

● 2026-02-16 13:44:12
○ 2026-06-13 10:18:54
○ 2026-08-03 02:31:02

○MXmxw.mxhichina.com2026-02-16 → 2026-02-16 · 3 obs

● 2026-02-16 13:44:12
○ 2026-06-13 10:18:54
○ 2026-08-03 02:31:02

○A122.49.12.522015-05-31 → 2026-02-16 · 4 obs

● 2015-05-31 04:33:34
● 2026-02-16 13:44:12
○ 2026-06-13 10:18:54
○ 2026-08-03 02:31:02

🔍 DNS Trace

Analysis

Name Servers

smt71.cn is delegated to two name servers: ns1.dns.com.cn and ns2.dns.com.cn.

smt71.cn has the same name server delegation as a number of other domains, such as yjmaitong.com, wwptfe.cn, hbyida.com and two more.

The name servers of smt71.cn overlap at least partially with those of other domains — among them ssstudy.com, zjspray.com, tjrxch.com and two more.

The name servers dns.bizcn.com, ns13.dns.com.cn and ns14.dns.com.cn are commonly seen alongside these name servers.

Both ns1.dns.com.cn and ns2.dns.com.cn point to three IP numbers: ns1.dns.com.cn points to 61.172.183.70, 61.240.129.114 and 240c:4082:ffff:ff01:0:d:0:34a, while ns2.dns.com.cn points to 61.172.183.76, 61.240.129.147 and 240c:4082:ffff:ff01:0:d:0:69.

smt71.cn - robtex.com

smt71.cn

cn