`75991b.com`

DNSSEC	⚠️ Not signed
A	172.247.55.46^{🇺🇸 CNSERVERSLLC172.247.55.0/24 CMI (Customer Route)}
NS	`a3.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	`b3.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=177749(0x37313735)

`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=1777576321

Subdomains

www.75991b.com

Same first word

75991b.com

Similar names

b91597.com

79159b.com

DNS History

9 records (5 active, 4 former)

●NSa.share-dns.com2026-03-30 → 2026-04-30 · 3 obs

○ 2017-10-19 23:50:02
● 2026-03-30 18:27:08
● 2026-04-30 19:15:24

●NSa3.share-dns.com2026-03-30 → 2026-04-30 · 3 obs

○ 2017-10-19 23:50:02
● 2026-03-30 18:27:08
● 2026-04-30 19:15:24

●NSb.share-dns.net2026-03-30 → 2026-04-30 · 3 obs

○ 2017-10-19 23:50:02
● 2026-03-30 18:27:08
● 2026-04-30 19:15:24

●NSb3.share-dns.net2026-03-30 → 2026-04-30 · 3 obs

○ 2017-10-19 23:50:02
● 2026-03-30 18:27:08
● 2026-04-30 19:15:24

○NSns07.domaincontrol.com2017-10-19 → 2017-10-19 · 3 obs

● 2017-10-19 23:50:02
○ 2026-03-30 18:27:08
○ 2026-04-30 19:15:24

○NSns08.domaincontrol.com2017-10-19 → 2017-10-19 · 3 obs

● 2017-10-19 23:50:02
○ 2026-03-30 18:27:08
○ 2026-04-30 19:15:24

○A148.135.3.902026-03-30 → 2026-04-29 · 5 obs

○ 2017-10-19 23:50:02
● 2026-03-30 18:27:08
● 2026-04-29 18:53:14
○ 2026-04-30 00:25:18
○ 2026-04-30 19:15:24

●A172.247.55.462026-04-30 → 2026-04-30 · 3 obs

○ 2026-04-29 18:53:14
● 2026-04-30 00:25:18
● 2026-04-30 19:15:24

○A50.63.202.622017-10-19 → 2017-10-19 · 3 obs

● 2017-10-19 23:50:02
○ 2026-03-30 18:27:08
○ 2026-04-30 19:15:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
75991b.com	b3.share-dns.net, a3.share-dns.com	1 record

✅ Authoritative Response

Server:172.64.52.239

NS records: b3.share-dns.net, a3.share-dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 75991b.com (unsigned zone)

⏱️ Timing

Total: 215ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`172.247.55.46`
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 (a3.share-dns.com)

Analysis

Hierarchy

75991b.com is parent of www.75991b.com.

IP Addresses

75991b.com points to a single IP: 172.247.55.46.

Other host names, for instance 7880a.com, b3822.com, 365mms.com, 223960.com and bb62000.com share IP numbers with 75991b.com.

Name Servers

75991b.com is delegated to four name servers: a3.share-dns.com, a.share-dns.com, b3.share-dns.net and b.share-dns.net.

75991b.com at least partially shares its name servers with other domains, for instance 0477xx.com, guangri.cc, lhgtjy.com, sccuiru.com and zhuzizi.com.