`ijbo.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=2034597178

Same first word

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DNS History

7 records (4 active, 3 former)

○NSns1.dnsdun.com2020-03-18 → 2020-03-18 · 3 obs

● 2020-03-18 20:25:50
○ 2026-03-25 18:48:22
○ 2026-03-28 04:43:20

○NSns1.dnsdun.net2020-03-18 → 2020-03-18 · 3 obs

● 2020-03-18 20:25:50
○ 2026-03-25 18:48:22
○ 2026-03-28 04:43:20

●NSns1.judns.com2026-03-25 → 2026-03-28 · 3 obs

○ 2020-03-18 20:25:50
● 2026-03-25 18:48:22
● 2026-03-28 04:43:20

●NSns1.julydns.com2026-03-25 → 2026-03-28 · 3 obs

○ 2020-03-18 20:25:50
● 2026-03-25 18:48:22
● 2026-03-28 04:43:20

●NSns2.judns.com2026-03-25 → 2026-03-28 · 3 obs

○ 2020-03-18 20:25:50
● 2026-03-25 18:48:22
● 2026-03-28 04:43:20

●NSns2.julydns.com2026-03-25 → 2026-03-28 · 3 obs

○ 2020-03-18 20:25:50
● 2026-03-25 18:48:22
● 2026-03-28 04:43:20

○A172.80.56.592020-03-18 → 2020-03-18 · 3 obs

● 2020-03-18 20:25:50
○ 2026-03-25 18:48:22
○ 2026-03-28 04:43:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	b.dns.cn, d.dns.cn, a.dns.cn, c.dns.cn...	-
ijbo.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 ijbo.cn (unsigned zone)

⏱️ Timing

Total: 3945ms | Queries: -

📄 Records

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

Analysis

Name Servers

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

ijbo.cn at least partially shares name servers with other domains, for instance palmtech.com.cn, aipusi.cn, efonfighting.com, dysxlw.cn and ctsr.cn.