`ibfa.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=2034661533

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DNS History

6 records (4 active, 2 former)

○NSdns10.hichina.com2016-11-28 → 2016-11-28 · 3 obs

● 2016-11-28 18:44:32
○ 2026-03-26 15:39:02
○ 2026-04-12 07:03:54

○NSdns9.hichina.com2016-11-28 → 2016-11-28 · 3 obs

● 2016-11-28 18:44:32
○ 2026-03-26 15:39:02
○ 2026-04-12 07:03:54

●NSns1.judns.com2026-03-26 → 2026-04-12 · 3 obs

○ 2016-11-28 18:44:32
● 2026-03-26 15:39:02
● 2026-04-12 07:03:54

●NSns1.julydns.com2026-03-26 → 2026-04-12 · 3 obs

○ 2016-11-28 18:44:32
● 2026-03-26 15:39:02
● 2026-04-12 07:03:54

●NSns2.judns.com2026-03-26 → 2026-04-12 · 3 obs

○ 2016-11-28 18:44:32
● 2026-03-26 15:39:02
● 2026-04-12 07:03:54

●NSns2.julydns.com2026-03-26 → 2026-04-12 · 3 obs

○ 2016-11-28 18:44:32
● 2026-03-26 15:39:02
● 2026-04-12 07:03:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	c.dns.cn, b.dns.cn, e.dns.cn, a.dns.cn...	-
ibfa.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 ibfa.cn (unsigned zone)

⏱️ Timing

Total: 4021ms | Queries: -

📄 Records

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

Analysis

Name Servers

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

ibfa.cn shares name servers with other domains at least partially, for instance lfjd315.com, cpba.com.cn, officeuniverse.com.cn, bob408.com and nbjh99.cn.