`bj-ielts.com`

DNSSEC	⚠️ Not signed
A	154.195.223.100^{🇺🇸 POWERLINE-HK154.195.192.0/19 POWER LINE HK CO LIMITED}
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}
			PTR	`ip-172-64-53-25.defastlink.net`
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}
			PTR	`ip-172-64-53-25.defastlink.net`
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=1750671257

`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=1776213127

Subdomains

www.bj-ielts.com

Same first word

bj-ielts.com

DNS History

10 records (5 active, 5 former)

●NSa.share-dns.com2026-04-15 → 2026-04-15 · 3 obs

○ 2017-05-21 06:38:12
● 2026-04-15 00:35:56
● 2026-04-15 00:35:58

●NSa5.share-dns.com2026-04-15 → 2026-04-15 · 3 obs

○ 2017-05-21 06:38:12
● 2026-04-15 00:35:56
● 2026-04-15 00:35:58

●NSb.share-dns.net2026-04-15 → 2026-04-15 · 3 obs

○ 2017-05-21 06:38:12
● 2026-04-15 00:35:56
● 2026-04-15 00:35:58

●NSb5.share-dns.net2026-04-15 → 2026-04-15 · 3 obs

○ 2017-05-21 06:38:12
● 2026-04-15 00:35:56
● 2026-04-15 00:35:58

○NSdns.bizcn.com2017-05-21 → 2017-05-21 · 4 obs

○ 2015-07-18 13:02:34
● 2017-05-21 06:38:12
○ 2026-04-15 00:35:56
○ 2026-04-15 00:35:58

○NSns1.dns.com.cn2015-07-18 → 2017-05-21 · 4 obs

● 2015-07-18 13:02:34
● 2017-05-21 06:38:12
○ 2026-04-15 00:35:56
○ 2026-04-15 00:35:58

○NSns2.dns.com.cn2015-07-18 → 2017-05-21 · 4 obs

● 2015-07-18 13:02:34
● 2017-05-21 06:38:12
○ 2026-04-15 00:35:56
○ 2026-04-15 00:35:58

●A154.195.223.1002026-04-15 → 2026-04-15 · 3 obs

○ 2017-05-21 06:38:12
● 2026-04-15 00:35:56
● 2026-04-15 00:35:58

○A211.157.100.1112017-05-21 → 2017-05-21 · 4 obs

○ 2015-11-22 00:27:32
● 2017-05-21 06:38:12
○ 2026-04-15 00:35:56
○ 2026-04-15 00:35:58

○A211.157.100.502015-07-18 → 2015-11-22 · 4 obs

● 2015-07-18 13:02:34
● 2015-11-22 00:27:32
○ 2017-05-21 06:38:12
○ 2026-04-15 00:35:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	k.gtld-servers.net, b.gtld-servers.net, f.gtld-servers.net, h.gtld-servers.net...	-
bj-ielts.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 bj-ielts.com (unsigned zone)

⏱️ Timing

Total: 312ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`154.195.223.100`
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

Hierarchy

bj-ielts.com is the parent of www.bj-ielts.com.

IP Addresses

bj-ielts.com points to a single IP number: 154.195.223.100.

Other host names like www.bj-ielts.com and bjwazhang.com share IP numbers with bj-ielts.com.

Name Servers

bj-ielts.com is delegated to four name servers: a5.share-dns.com, a.share-dns.com, b5.share-dns.net and b.share-dns.net.

bj-ielts.com at least partially shares name servers with other domains, for instance yanduhui.com, 2uuookjuiy.com, 51shopup.com, 91she.cn and ashangashang.com.