`91ycw.com`

DNSSEC	⚠️ Not signed
A	154.89.102.144^{🇭🇰 HKIDC-AS-AP154.89.64.0/18 abcde}
NS	`a5.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	`b5.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=1778660378

`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=1778843226

Same first word

91ycw.com

Similar names

91cyw.com

DNS History

10 records (5 active, 5 former)

●NSa.share-dns.com2026-05-15 → 2026-05-15 · 2 obs

○ 2026-04-11 07:37:58
● 2026-05-15 11:28:24

●NSa5.share-dns.com2026-05-15 → 2026-05-15 · 2 obs

○ 2026-04-11 07:37:58
● 2026-05-15 11:28:24

●NSb.share-dns.net2026-05-15 → 2026-05-15 · 2 obs

○ 2026-04-11 07:37:58
● 2026-05-15 11:28:24

●NSb5.share-dns.net2026-05-15 → 2026-05-15 · 2 obs

○ 2026-04-11 07:37:58
● 2026-05-15 11:28:24

○NSdns25.hichina.com2015-05-27 → 2017-05-14 · 4 obs

● 2015-05-27 23:00:40
● 2017-05-14 17:40:00
○ 2026-03-29 09:58:46
○ 2026-05-15 11:28:24

○NSdns26.hichina.com2015-05-27 → 2017-05-14 · 4 obs

● 2015-05-27 23:00:40
● 2017-05-14 17:40:00
○ 2026-03-29 09:58:46
○ 2026-05-15 11:28:24

○NSns3.4008112277.cn2026-03-29 → 2026-04-11 · 4 obs

○ 2017-05-14 17:40:00
● 2026-03-29 09:58:46
● 2026-04-11 07:37:58
○ 2026-05-15 11:28:24

○NSns4.4008112277.cn2026-03-29 → 2026-04-11 · 4 obs

○ 2017-05-14 17:40:00
● 2026-03-29 09:58:46
● 2026-04-11 07:37:58
○ 2026-05-15 11:28:24

●A154.89.102.1442026-05-15 → 2026-05-15 · 2 obs

○ 2026-04-11 07:37:58
● 2026-05-15 11:28:24

○A202.61.85.952026-03-29 → 2026-03-29 · 3 obs

● 2026-03-29 09:58:46
○ 2026-04-11 07:37:58
○ 2026-05-15 11:28:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
91ycw.com	b5.share-dns.net, a5.share-dns.com	1 record

✅ Authoritative Response

Server:172.64.52.239

NS records: b5.share-dns.net, a5.share-dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 91ycw.com (unsigned zone)

⏱️ Timing

Total: 463ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`154.89.102.144`
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 (a5.share-dns.com)

Analysis

IP Addresses

91ycw.com points to a single IP: 154.89.102.144.

Name Servers

91ycw.com's delegation is handled by four name servers: a5.share-dns.com, a.share-dns.com, b5.share-dns.net and b.share-dns.net.

91ycw.com partially shares name servers with other domains; examples include erpsell.com, lllkkk.com, ilikeacg.com, jianjiye.com and gunlun.net.