`usance.cn`

DNSSEC	⚠️ Not signed
A	154.195.89.154^{🇺🇸 GNET-AS9294154.195.80.0/20}
NS	`ns1.julydns.com` ⭐ ⚠️ Not in parent delegation
		A	47.97.51.45^{🇨🇳 Alibaba-Cloud47.96.0.0/15 Aliyun Computing Co., LTD}
			PTR	`ip-47-97-51-45.defastlink.net`
NS	`ns1.judns.com` ⚠️ Not in zone NS records
		A	47.97.51.45^{🇨🇳 Alibaba-Cloud47.96.0.0/15 Aliyun Computing Co., LTD}
			PTR	`ip-47-97-51-45.defastlink.net`
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}
			PTR	`ip-162-159-27-251.defastlink.net`
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}
			PTR	`ip-162-159-48-223.defastlink.net`
SOA	`ns1.julydns.com`master@jmdns.com serial=1762006302

`cn`

	DNSSEC	⚠️ Not signed
	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=2034546407

Same first word

usance.cn

usance.com

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DNS History

8 records (5 active, 3 former)

○NSns1.alidns.com2015-08-18 → 2017-02-09 · 4 obs

● 2015-08-18 09:20:08
● 2017-02-09 15:07:58
○ 2020-04-11 19:56:32
○ 2026-03-23 06:47:44

●NSns1.judns.com2026-03-17 → 2026-03-23 · 3 obs

○ 2020-04-11 19:56:32
● 2026-03-17 00:37:10
● 2026-03-23 06:47:44

●NSns1.julydns.com2026-03-17 → 2026-03-23 · 3 obs

○ 2020-04-11 19:56:32
● 2026-03-17 00:37:10
● 2026-03-23 06:47:44

○NSns2.alidns.com2015-08-18 → 2017-02-09 · 4 obs

● 2015-08-18 09:20:08
● 2017-02-09 15:07:58
○ 2020-04-11 19:56:32
○ 2026-03-23 06:47:44

●NSns2.judns.com2026-03-17 → 2026-03-23 · 3 obs

○ 2020-04-11 19:56:32
● 2026-03-17 00:37:10
● 2026-03-23 06:47:44

●NSns2.julydns.com2026-03-17 → 2026-03-23 · 3 obs

○ 2020-04-11 19:56:32
● 2026-03-17 00:37:10
● 2026-03-23 06:47:44

○A124.16.31.1522015-08-18 → 2017-02-09 · 4 obs

● 2015-08-18 09:20:08
● 2017-02-09 15:07:58
○ 2020-04-11 19:56:32
○ 2026-03-23 06:47:44

●A154.195.89.1542026-03-17 → 2026-03-23 · 3 obs

○ 2020-04-11 19:56:32
● 2026-03-17 00:37:10
● 2026-03-23 06:47:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	e.dns.cn, a.dns.cn, c.dns.cn, d.dns.cn...	-
usance.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 usance.cn (unsigned zone)

⏱️ Timing

Total: 1713ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`154.195.89.154`
NS	2	`ns1.julydns.com, ns2.julydns.com`
SOA	1	`ns1.julydns.com master.jmdns.com`

Analysis

IP Addresses

usance.cn resolves to one IP number: 154.195.89.154.

Other host names, for instance zaito.cn, share IP numbers with usance.cn.

Name Servers

usance.cn is delegated to four name servers: ns1.judns.com, ns2.judns.com, ns1.julydns.com and ns2.julydns.com.

usance.cn at least partially shares name servers with other domains, for instance hzckedu.com, anysing.cn, sanhwl.com, yidee.cn and zglinji.com.