`smartbuilding.com.cn`

DNSSEC	⚠️ Not signed
A	177.210.160.208^{🇧🇷 UNSPECIFIED160.0.0.0/3}
NS	`ns1.julydns.com` ⭐
		A	162.159.48.223^{Cloudflare162.159.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns2.julydns.com`
		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=1784800420

`com.cn`

	DNSSEC	⚠️ Not signed
	NS	`a.dns.cn` ⭐ ⚠️ Not in parent delegation
	NS	`b.dns.cn` ⚠️ Not in parent delegation
	NS	`c.dns.cn` ⚠️ Not in parent delegation
	NS	`cns.cernet.net` ⚠️ Not in parent delegation
	NS	`d.dns.cn` ⚠️ Not in parent delegation
	NS	`e.dns.cn` ⚠️ Not in parent delegation
	SOA	`a.dns.cn`root@cnnic.cn serial=2030739828

⚠️ On DNS blocklist: tif, tif.medium
WOT: NOT_SAFE (20/100)

Same first word

smartbuilding.online

smartbuilding.se

smartbuilding.no

smartbuilding.gr

smartbuilding.ru

smartbuilding.com.mx

smartbuilding.org

smartbuilding.su

smartbuilding.cl

smartbuilding.com.cn

smartbuilding.com

smartbuilding.com.br

Similar names

DNS History

5 records (3 active, 2 former)

●NSns1.julydns.com2026-05-20 → 2026-08-07 · 2 obs

● 2026-05-20 02:55:22
● 2026-08-07 08:50:24

○NSns1.onclouddns.com2026-05-20 → 2026-05-20 · 3 obs

● 2026-05-20 02:55:22
○ 2026-07-22 15:44:40
○ 2026-08-07 08:50:24

●NSns2.julydns.com2026-05-20 → 2026-08-07 · 2 obs

● 2026-05-20 02:55:22
● 2026-08-07 08:50:24

○NSns2.onclouddns.com2026-05-20 → 2026-05-20 · 3 obs

● 2026-05-20 02:55:22
○ 2026-07-22 15:44:40
○ 2026-08-07 08:50:24

●A177.210.160.2082026-08-07 → 2026-08-07 · 1 obs

● 2026-08-07 08:50:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	e.dns.cn, a.dns.cn, c.dns.cn, d.dns.cn...	-
smartbuilding.com.cn	ns1.julydns.com, ns2.julydns.com	-

✅ Authoritative Response

Server:162.159.48.223

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

🔒 DNSSEC Status

❌ Bogus (DNSSEC validation failed)

Validation error at cn: Error: DNS query timeout: 203.119.29.1 for DNSKEY cn

⏱️ Timing

Total: 3510ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`177.210.160.208`
NS	2	`ns1.julydns.com, ns2.julydns.com`
SOA	1	`ns1.julydns.com master.jmdns.com`

Analysis

IP Addresses

smartbuilding.com.cn directs to one IP number, which is 177.210.160.208.

Other host names share IP numbers with smartbuilding.com.cn; online-lejing.com.cn is one such example.

Name Servers

smartbuilding.com.cn is served by two delegated name servers, ns1.julydns.com and ns2.julydns.com.

smartbuilding.com.cn has the same name server delegation as a number of other domains, such as nt3688.com, nanwenke.com, st-so.com and two more.

At least some of smartbuilding.com.cn's name servers are shared with other domains, for example china-langsha.com, shcompr.cn, wsmjk.com and two more.

These name servers are often deployed together with the name servers ns1.judns.com, ns2.judns.com, ns1.onclouddns.com and ns2.onclouddns.com.

ns1.julydns.com and ns2.julydns.com share one IP address between them — 162.159.48.223.

These two host names — ns1.julydns.com and ns2.julydns.com — each point to 162.159.48.223 IP addresses.

smartbuilding.com.cn - robtex.com