b644.com - dns.ninja

`b644.com`

DNSSEC	⚠️ Not signed
A	156.252.115.8^{🇺🇸 AS398823156.252.96.0/19 Fastmos Co Limited}
NS	`a.share-dns.com` ⭐
		A	172.64.53.25^{🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`b.share-dns.net`
		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=1747408772

`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=1782603735

Subdomains

mailserver.b644.com

Same first word

b644.com

b644.cc

Similar names

b464.com

446b.com

446b.org

644b.com

464b.com

DNS History

5 records (3 active, 2 former)

○NS(root)2015-07-17 → 2018-07-17 · 4 obs

● 2015-07-17 07:37:54
● 2018-07-17 09:43:04
○ 2026-04-10 02:56:02
○ 2026-06-27 23:52:44

●NSa.share-dns.com2026-04-10 → 2026-06-27 · 3 obs

○ 2018-07-17 09:43:04
● 2026-04-10 02:56:02
● 2026-06-27 23:52:44

●NSb.share-dns.net2026-04-10 → 2026-06-27 · 3 obs

○ 2018-07-17 09:43:04
● 2026-04-10 02:56:02
● 2026-06-27 23:52:44

●A156.252.115.82026-04-10 → 2026-06-27 · 3 obs

○ 2018-07-17 09:43:04
● 2026-04-10 02:56:02
● 2026-06-27 23:52:44

○A222.76.211.1742015-07-17 → 2018-07-17 · 4 obs

● 2015-07-17 07:37:54
● 2018-07-17 09:43:04
○ 2026-04-10 02:56:02
○ 2026-06-27 23:52:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
b644.com	a.share-dns.com, b.share-dns.net	1 record

✅ Authoritative Response

Server:172.64.53.25

NS records: a.share-dns.com, b.share-dns.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for b644.com (unsigned zone)

⏱️ Timing

Total: 237ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`156.252.115.8`
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 (a.share-dns.com)

Analysis

Hierarchy

b644.com serves as the parent of mailserver.b644.com.

IP Addresses

b644.com resolves to just one IP address, 156.252.115.8.

Host names like mailserver.b644.com are further examples that share IP numbers with b644.com.

Name Servers

Two name servers handle the delegation for b644.com: a.share-dns.com and b.share-dns.net.

b644.com shares its NS records with other domains, for example faceshopchina.net, 779883.com, 99kase.com and two others.

b644.com has at least partial name server overlap with other domains, such as cikgumuzik.com, shangwuweb.com, nverdao.com and two others.

a10.share-dns.com, b10.share-dns.net and a6.share-dns.com — plus 7 other name servers — are commonly paired with these name servers.

a.share-dns.com directs to 172.64.53.25 and b.share-dns.net directs to 172.64.52.239; each host name points to exactly one IP number.