`dufuedu.com`

DNSSEC	⚠️ Not signed
A	23.234.10.202^{🇺🇸 HDHK23.234.8.0/21 Proxy-registered route object}
NS	`a7.share-dns.com` ⭐ ⚠️ Not in parent delegation
		A	172.64.53.25^{🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`a.share-dns.com` ⚠️ Not in zone NS records
		A	172.64.53.25^{🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`b.share-dns.net` ⚠️ Not in zone NS records
		A	172.64.52.239^{🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`b7.share-dns.net` ⚠️ Not in parent delegation
		A	172.64.52.239^{🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
SOA	`a.share-dns.com`master@share-dns.com serial=1772524498

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1776669627

Same first word

dufuedu.com

DNS History

13 records (5 active, 8 former)

●NSa.share-dns.com2026-03-28 → 2026-04-20 · 3 obs

○ 2017-05-14 15:41:36
● 2026-03-28 06:02:46
● 2026-04-20 07:34:14

○NSa12.share-dns.com2026-03-28 → 2026-04-20 · 2 obs

○ 2026-03-28 06:02:46
○ 2026-04-20 07:34:14

●NSa7.share-dns.com2026-03-28 → 2026-04-20 · 3 obs

○ 2017-05-14 15:41:36
● 2026-03-28 06:02:46
● 2026-04-20 07:34:14

●NSb.share-dns.net2026-03-28 → 2026-04-20 · 3 obs

○ 2017-05-14 15:41:36
● 2026-03-28 06:02:46
● 2026-04-20 07:34:14

○NSb12.share-dns.net2026-03-28 → 2026-04-20 · 2 obs

○ 2026-03-28 06:02:46
○ 2026-04-20 07:34:14

●NSb7.share-dns.net2026-03-28 → 2026-04-20 · 3 obs

○ 2017-05-14 15:41:36
● 2026-03-28 06:02:46
● 2026-04-20 07:34:14

○NSns11.xincache.com2015-06-12 → 2015-06-12 · 3 obs

● 2015-06-12 20:31:04
○ 2015-10-26 16:48:46
○ 2026-04-20 07:34:14

○NSns12.xincache.com2015-06-12 → 2015-06-12 · 3 obs

● 2015-06-12 20:31:04
○ 2015-10-26 16:48:46
○ 2026-04-20 07:34:14

○NSns17.xincache.com2015-10-26 → 2017-05-14 · 5 obs

○ 2015-06-12 20:31:04
● 2015-10-26 16:48:46
● 2017-05-14 15:41:36
○ 2026-03-28 06:02:46
○ 2026-04-20 07:34:14

○NSns18.xincache.com2015-10-26 → 2017-05-14 · 5 obs

○ 2015-06-12 20:31:04
● 2015-10-26 16:48:46
● 2017-05-14 15:41:36
○ 2026-03-28 06:02:46
○ 2026-04-20 07:34:14

○A110.52.145.1552016-01-15 → 2017-05-14 · 5 obs

○ 2015-10-26 16:48:46
● 2016-01-15 15:59:56
● 2017-05-14 15:41:36
○ 2026-03-28 06:02:46
○ 2026-04-20 07:34:14

○A110.52.145.1622015-06-12 → 2015-10-26 · 4 obs

● 2015-06-12 20:31:04
● 2015-10-26 16:48:46
○ 2016-01-15 15:59:56
○ 2026-04-20 07:34:14

●A23.234.10.2022026-03-28 → 2026-04-20 · 3 obs

○ 2017-05-14 15:41:36
● 2026-03-28 06:02:46
● 2026-04-20 07:34:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	h.gtld-servers.net, j.gtld-servers.net, c.gtld-servers.net, l.gtld-servers.net...	-
dufuedu.com	b7.share-dns.net, a7.share-dns.com	1 record

✅ Authoritative Response

Server:172.64.53.25

NS records: b7.share-dns.net, a7.share-dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for dufuedu.com (unsigned zone)

⏱️ Timing

Total: 274ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`23.234.10.202`
NS	2	`a.share-dns.com, b.share-dns.net`
SOA	1	`a.share-dns.com master.share-dns.com`

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (a7.share-dns.com)

Analysis

IP Addresses

dufuedu.com points to a single IP number: 23.234.10.202.

Other host names like lsjyddw.com and dlxindi.com share IP numbers with dufuedu.com.

Name Servers

dufuedu.com is delegated to four name servers: a7.share-dns.com, a.share-dns.com, b7.share-dns.net and b.share-dns.net.

dufuedu.com at least partially shares name servers with other domains, for instance snjhbc.com, us82.com, kda8729.com, satedg.com and 5cc.cc.