`iffo.cn`

DNSSEC	⚠️ Not signed
NS	`ns1.julydns.com` ⭐ ⚠️ Not in parent delegation
		A	47.97.51.45^{🇨🇳 Alibaba-Cloud47.96.0.0/15 Aliyun Computing Co., LTD}
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	`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}
SOA	`ns1.julydns.com`master@jmdns.com serial=1773218625

`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=2034668399

Same first word

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DNS History

8 records (4 active, 4 former)

○NSdns31.hichina.com2015-06-20 → 2016-02-02 · 4 obs

● 2015-06-20 14:27:58
● 2016-02-02 10:21:00
○ 2026-04-13 10:03:14
○ 2026-04-14 05:08:30

○NSdns32.hichina.com2015-06-20 → 2016-02-02 · 4 obs

● 2015-06-20 14:27:58
● 2016-02-02 10:21:00
○ 2026-04-13 10:03:14
○ 2026-04-14 05:08:30

●NSns1.judns.com2026-04-13 → 2026-04-14 · 3 obs

○ 2016-02-02 10:21:00
● 2026-04-13 10:03:14
● 2026-04-14 05:08:30

●NSns1.julydns.com2026-04-13 → 2026-04-14 · 3 obs

○ 2016-02-02 10:21:00
● 2026-04-13 10:03:14
● 2026-04-14 05:08:30

●NSns2.judns.com2026-04-13 → 2026-04-14 · 3 obs

○ 2016-02-02 10:21:00
● 2026-04-13 10:03:14
● 2026-04-14 05:08:30

●NSns2.julydns.com2026-04-13 → 2026-04-14 · 3 obs

○ 2016-02-02 10:21:00
● 2026-04-13 10:03:14
● 2026-04-14 05:08:30

○A111.206.12.572015-06-20 → 2016-02-02 · 4 obs

● 2015-06-20 14:27:58
● 2016-02-02 10:21:00
○ 2016-06-18 15:07:14
○ 2026-04-14 05:08:30

○A162.251.5.1902016-06-18 → 2017-08-28 · 5 obs

○ 2016-02-02 10:21:00
● 2016-06-18 15:07:14
● 2017-08-28 06:03:58
○ 2026-04-13 10:03:14
○ 2026-04-14 05:08:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	e.dns.cn, b.dns.cn, a.dns.cn, c.dns.cn...	-
iffo.cn	ns1.judns.com, ns2.judns.com	-

✅ Authoritative Response

Server:162.159.27.251

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

🔒 DNSSEC Status

❌ Bogus (DNSSEC validation failed)

Validation error at iffo.cn: Error: DNS query timeout: 203.119.29.1 for DS iffo.cn

⏱️ Timing

Total: 4139ms | Queries: -

📄 Records

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

Analysis

Name Servers

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

iffo.cn at least partially shares name servers with other domains, for instance 360epp.com, cqseo.cn, ahfuture.cn, jyhqcsb.com and sdnxdl.com.