`smartst.cn`

DNSSEC	⚠️ Not signed
A	156.250.135.242^{🇿🇦 POWERLINE-HK156.250.128.0/17 Digital Core Technology Co., Ltd}
NS	`ns1.julydns.com` ⭐ ⚠️ Not in parent delegation
		A	47.97.51.45^{🇨🇳 Alibaba-Cloud47.96.0.0/15 Aliyun Computing Co., LTD}
NS	`ns1.judns.com` ⚠️ Not in zone NS records
		A	47.97.51.45^{🇨🇳 Alibaba-Cloud47.96.0.0/15 Aliyun Computing Co., LTD}
NS	`ns2.judns.com` ⚠️ Not in zone NS records
		A	162.159.27.251^{Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns2.julydns.com` ⚠️ Not in parent delegation
		A	162.159.48.223^{Cloudflare162.159.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
SOA	`ns1.julydns.com`master@jmdns.com serial=1768992388

`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=2034585106

rank #693702 globally
rank #18867 in the tld

Same first word

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smartst.es

smartst.ru

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msstart.com

rmstats.com

DNS History

5 records (5 active, 0 former)

●NSns1.judns.com2026-03-04 → 2026-03-25 · 2 obs

● 2026-03-04 11:39:42
● 2026-03-25 10:00:02

●NSns1.julydns.com2026-03-04 → 2026-03-25 · 2 obs

● 2026-03-04 11:39:42
● 2026-03-25 10:00:02

●NSns2.judns.com2026-03-04 → 2026-03-25 · 2 obs

● 2026-03-04 11:39:42
● 2026-03-25 10:00:02

●NSns2.julydns.com2026-03-04 → 2026-03-25 · 2 obs

● 2026-03-04 11:39:42
● 2026-03-25 10:00:02

●A156.250.135.2422026-03-04 → 2026-03-25 · 2 obs

● 2026-03-04 11:39:42
● 2026-03-25 10:00:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	b.dns.cn, d.dns.cn, e.dns.cn, c.dns.cn...	-
smartst.cn	ns1.judns.com, ns2.judns.com	-

✅ Authoritative Response

Server:47.97.51.45

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for smartst.cn (unsigned zone)

⏱️ Timing

Total: 2766ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`156.250.135.242`
NS	2	`ns1.julydns.com, ns2.julydns.com`
SOA	1	`ns1.julydns.com master.jmdns.com`

Analysis

IP Addresses

smartst.cn resolves to one IP number: 156.250.135.242.

Name Servers

smartst.cn delegates to four name servers: ns1.judns.com, ns2.judns.com, ns1.julydns.com and ns2.julydns.com.

smartst.cn at least partially shares name servers with other domains, including miifoo.com, glmmc.cn, hsyvip.com, bsoem.com and aicookbook.cn.