`121bus.com`

DNSSEC	⚠️ Not signed
A	209.73.135.150^{🇺🇸 ENERGY-GROUP-NETWORKS209.73.128.0/19 SJC2 - Router 55 S. Market San Jose, CA}
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=1717141146

`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=1776972251

Same first word

121bus.com

DNS History

5 records (3 active, 2 former)

●NSa.share-dns.com2026-03-17 → 2026-04-23 · 3 obs

○ 2017-08-26 06:10:38
● 2026-03-17 20:25:38
● 2026-04-23 19:35:08

●NSb.share-dns.net2026-03-17 → 2026-04-23 · 3 obs

○ 2017-08-26 06:10:38
● 2026-03-17 20:25:38
● 2026-04-23 19:35:08

○NSdns10.hichina.com2016-12-19 → 2017-08-26 · 4 obs

● 2016-12-19 01:06:36
● 2017-08-26 06:10:38
○ 2026-03-17 20:25:38
○ 2026-04-23 19:35:08

○NSdns9.hichina.com2016-12-19 → 2017-08-26 · 4 obs

● 2016-12-19 01:06:36
● 2017-08-26 06:10:38
○ 2026-03-17 20:25:38
○ 2026-04-23 19:35:08

●A209.73.135.1502026-03-17 → 2026-04-23 · 2 obs

● 2026-03-17 20:25:38
● 2026-04-23 19:35:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
121bus.com	a.share-dns.com, b.share-dns.net	1 record

✅ Authoritative Response

Server:172.64.52.239

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 121bus.com (unsigned zone)

⏱️ Timing

Total: 199ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`209.73.135.150`
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

IP Addresses

121bus.com resolves to one IP number: 209.73.135.150.

Name Servers

121bus.com is delegated to two name servers a.share-dns.com and b.share-dns.net.

121bus.com shares the same name server setup as other domains, for instance skhelp.com, htcbqzj.com, hnwsxx047.com, 00695519.com and 02bu.com.

121bus.com at least partially shares name servers with other domains, for instance uuexpo.com, jiayuanept.com, everydayelsie.com, hsdu.net and 4huaa66.com.

These name servers are commonly used with the following name servers: a11.share-dns.com, b11.share-dns.net, a7.share-dns.com, b7.share-dns.net, a10.share-dns.com, b10.share-dns.net, a5.share-dns.com, b5.share-dns.net, a8.share-dns.com and b8.share-dns.net.

Host names with one IP number:

a.share-dns.com points to 172.64.53.25

b.share-dns.net points to 172.64.52.239

121bus.com - robtex.com

121bus.com

com