`yysongdan.com`

DNSSEC	⚠️ Not signed
A	154.89.119.123^{🇭🇰 HKIDC-AS-AP154.89.64.0/18 abcde}
NS	`a8.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	`b8.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=1771838928

`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=1774485957

Subdomains

app.yysongdan.com

share.yysongdan.com

baike.yysongdan.com

g4.yysongdan.com

ceshi.yysongdan.com

mobile.yysongdan.com

Same first word

yysongdan.com

DNS History

8 records (5 active, 3 former)

●NSa.share-dns.com2026-02-23 → 2026-03-26 · 3 obs

○ 2020-01-16 09:26:46
● 2026-02-23 18:52:36
● 2026-03-26 00:57:08

●NSa8.share-dns.com2026-02-23 → 2026-03-26 · 3 obs

○ 2020-01-16 09:26:46
● 2026-02-23 18:52:36
● 2026-03-26 00:57:08

●NSb.share-dns.net2026-02-23 → 2026-03-26 · 3 obs

○ 2020-01-16 09:26:46
● 2026-02-23 18:52:36
● 2026-03-26 00:57:08

●NSb8.share-dns.net2026-02-23 → 2026-03-26 · 3 obs

○ 2020-01-16 09:26:46
● 2026-02-23 18:52:36
● 2026-03-26 00:57:08

○NSdns23.hichina.com2020-01-16 → 2020-01-16 · 3 obs

● 2020-01-16 09:26:46
○ 2026-02-23 18:52:36
○ 2026-03-26 00:57:08

○NSdns24.hichina.com2020-01-16 → 2020-01-16 · 3 obs

● 2020-01-16 09:26:46
○ 2026-02-23 18:52:36
○ 2026-03-26 00:57:08

●A154.89.119.1232026-02-23 → 2026-03-26 · 2 obs

● 2026-02-23 18:52:36
● 2026-03-26 00:57:08

○A156.254.218.2192026-02-23 → 2026-03-26 · 2 obs

○ 2026-02-23 18:52:36
○ 2026-03-26 00:57:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
yysongdan.com	b8.share-dns.net, a8.share-dns.com	1 record

✅ Authoritative Response

Server:172.64.53.25

NS records: b8.share-dns.net, a8.share-dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for yysongdan.com (unsigned zone)

⏱️ Timing

Total: 199ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`154.89.119.123`
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 (a8.share-dns.com)

Analysis

Hierarchy

yysongdan.com is the parent of app.yysongdan.com, share.yysongdan.com, baike.yysongdan.com, g4.yysongdan.com, ceshi.yysongdan.com and a few other host names.

IP Addresses

yysongdan.com maps to IP address 154.89.119.123.

Other host names, for instance mailangshop.com, c1szu.share.yysongdan.com, ceshi.yysongdan.com, jdjzj.share.yysongdan.com and 69436.share.yysongdan.com share IP numbers with yysongdan.com.

Name Servers

yysongdan.com is delegated to four name servers: a8.share-dns.com, a.share-dns.com, b8.share-dns.net and b.share-dns.net.

yysongdan.com at least partially shares name servers with other domains such as klty88.com, la-k.com, fenxihui.com, tianrepu.com and findexismax.com.