`ydfedu.com`

DNSSEC	⚠️ Not signed
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	`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	`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}

`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=1776231537

Same first word

ydfedu.com

Similar names

efuddy.com

DNS History

11 records (4 active, 7 former)

●NSa.share-dns.com2026-02-15 → 2026-04-15 · 3 obs

○ 2016-12-26 09:58:36
● 2026-02-15 21:02:30
● 2026-04-15 06:05:38

●NSa7.share-dns.com2026-02-15 → 2026-04-15 · 3 obs

○ 2016-12-26 09:58:36
● 2026-02-15 21:02:30
● 2026-04-15 06:05:38

●NSb.share-dns.net2026-02-15 → 2026-04-15 · 3 obs

○ 2016-12-26 09:58:36
● 2026-02-15 21:02:30
● 2026-04-15 06:05:38

●NSb7.share-dns.net2026-02-15 → 2026-04-15 · 3 obs

○ 2016-12-26 09:58:36
● 2026-02-15 21:02:30
● 2026-04-15 06:05:38

○NSdns29.hichina.com2015-05-21 → 2016-12-26 · 4 obs

● 2015-05-21 11:42:38
● 2016-12-26 09:58:36
○ 2026-02-15 21:02:30
○ 2026-04-15 06:05:38

○NSdns30.hichina.com2015-05-21 → 2016-12-26 · 4 obs

● 2015-05-21 11:42:38
● 2016-12-26 09:58:36
○ 2026-02-15 21:02:30
○ 2026-04-15 06:05:38

○MXmxbiz1.qq.com2015-05-21 → 2026-02-17 · 4 obs

● 2015-05-21 11:42:38
● 2026-02-17 05:05:50
○ 2026-02-19 02:34:40
○ 2026-04-15 06:05:38

○MXmxbiz2.qq.com2015-05-21 → 2026-02-17 · 4 obs

● 2015-05-21 11:42:38
● 2026-02-17 05:05:50
○ 2026-02-19 02:34:40
○ 2026-04-15 06:05:38

○A103.53.209.372016-12-26 → 2026-02-17 · 5 obs

○ 2016-04-01 02:00:54
● 2016-12-26 09:58:36
● 2026-02-17 05:05:50
○ 2026-02-19 02:34:40
○ 2026-04-15 06:05:38

○A123.126.76.742016-04-01 → 2016-04-01 · 4 obs

○ 2015-12-22 10:07:36
● 2016-04-01 02:00:54
○ 2016-12-26 09:58:36
○ 2026-04-15 06:05:38

○A58.30.231.1822015-05-21 → 2015-12-22 · 4 obs

● 2015-05-21 11:42:38
● 2015-12-22 10:07:36
○ 2016-04-01 02:00:54
○ 2026-04-15 06:05:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	f.gtld-servers.net, g.gtld-servers.net, h.gtld-servers.net, i.gtld-servers.net...	-
ydfedu.com	b7.share-dns.net, a7.share-dns.com	1 record

✅ Authoritative Response

Server:172.64.52.239

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ydfedu.com (unsigned zone)

⏱️ Timing

Total: 237ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`a.share-dns.com, b.share-dns.net`

📌 Glue Records Collected

Total: 1

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

Analysis

Name Servers

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

ydfedu.com at least partially shares name servers with other domains, for instance 3starfairy.com, amcsb.com, ayqwyz.com, com-etcqwb.vip and ham001.com.