`135221.cn`

DNSSEC	⚠️ Not signed
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	`ns1.julydns.com` ⚠️ Not in parent delegation
		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}

`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=2034597505

Same first word

135221.cn

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DNS History

8 records (4 active, 4 former)

●NSns1.judns.com2026-03-16 → 2026-03-28 · 2 obs

● 2026-03-16 13:23:20
● 2026-03-28 06:13:08

●NSns1.julydns.com2026-03-16 → 2026-03-28 · 2 obs

● 2026-03-16 13:23:20
● 2026-03-28 06:13:08

●NSns2.judns.com2026-03-16 → 2026-03-28 · 2 obs

● 2026-03-16 13:23:20
● 2026-03-28 06:13:08

●NSns2.julydns.com2026-03-16 → 2026-03-28 · 2 obs

● 2026-03-16 13:23:20
● 2026-03-28 06:13:08

○A103.7.31.1882016-03-06 → 2016-07-18 · 5 obs

○ 2015-12-01 00:02:58
● 2016-03-06 16:41:10
● 2016-07-18 12:55:48
○ 2020-01-30 13:06:54
○ 2026-03-28 06:13:08

○A121.14.125.522015-12-01 → 2015-12-01 · 3 obs

● 2015-12-01 00:02:58
○ 2016-03-06 16:41:10
○ 2026-03-28 06:13:08

○CNAMEaps0550.qq.com2016-03-06 → 2016-07-18 · 5 obs

○ 2015-12-01 00:02:58
● 2016-03-06 16:41:10
● 2016-07-18 12:55:48
○ 2020-01-30 13:06:54
○ 2026-03-28 06:13:08

○CNAMEid.qzone.qq.com2015-12-01 → 2016-07-18 · 4 obs

● 2015-12-01 00:02:58
● 2016-07-18 12:55:48
○ 2020-01-30 13:06:54
○ 2026-03-28 06:13:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn...	-
135221.cn	ns1.judns.com, ns2.judns.com	-

✅ Authoritative Response

Server:162.159.27.251

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 135221.cn (unsigned zone)

⏱️ Timing

Total: 837ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`ns1.julydns.com, ns2.julydns.com`

Analysis

Name Servers

135221.cn delegates to four name servers: ns1.judns.com, ns2.judns.com, ns1.julydns.com and ns2.julydns.com.

135221.cn at least partially shares name servers with other domains, for instance 0470u.com, zerwen.com, lexsen.cn, gdweimei.com and geebookservice.com.