`learningcn.com`

DNSSEC	⚠️ Not signed
A	156.234.37.40^{🇭🇰 YANCYLIMITED-AS-HK156.234.0.0/16 YANCY LIMITED}
NS	`a1.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	`b1.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=1763435058

`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=1776130282

Same first word

learningcn.com

DNS History

12 records (5 active, 7 former)

●NSa.share-dns.com2026-03-25 → 2026-04-14 · 3 obs

○ 2020-03-26 16:06:12
● 2026-03-25 10:12:08
● 2026-04-14 01:32:48

●NSa1.share-dns.com2026-03-25 → 2026-04-14 · 3 obs

○ 2020-03-26 16:06:12
● 2026-03-25 10:12:08
● 2026-04-14 01:32:48

●NSb.share-dns.net2026-03-25 → 2026-04-14 · 3 obs

○ 2020-03-26 16:06:12
● 2026-03-25 10:12:08
● 2026-04-14 01:32:48

●NSb1.share-dns.net2026-03-25 → 2026-04-14 · 3 obs

○ 2020-03-26 16:06:12
● 2026-03-25 10:12:08
● 2026-04-14 01:32:48

○NSns1.dynadot.com2015-06-25 → 2020-03-26 · 4 obs

● 2015-06-25 00:08:56
● 2020-03-26 16:06:12
○ 2026-03-25 10:12:08
○ 2026-04-14 01:32:48

○NSns2.dynadot.com2015-06-25 → 2020-03-26 · 4 obs

● 2015-06-25 00:08:56
● 2020-03-26 16:06:12
○ 2026-03-25 10:12:08
○ 2026-04-14 01:32:48

○MXmxbiz1.qq.com2015-10-30 → 2020-03-26 · 6 obs

● 2015-10-30 20:16:02
● 2016-09-19 18:57:50
○ 2017-04-08 03:25:52
● 2020-03-26 16:06:12
○ 2026-03-25 10:12:08
○ 2026-04-14 01:32:48

○MXmxbiz2.qq.com2015-10-30 → 2020-03-26 · 6 obs

● 2015-10-30 20:16:02
● 2016-09-19 18:57:50
○ 2017-04-08 03:25:52
● 2020-03-26 16:06:12
○ 2026-03-25 10:12:08
○ 2026-04-14 01:32:48

○A103.245.222.1332015-10-30 → 2017-04-08 · 5 obs

○ 2015-06-25 00:08:56
● 2015-10-30 20:16:02
● 2017-04-08 03:25:52
○ 2020-03-26 16:06:12
○ 2026-04-14 01:32:48

○A151.101.73.1472020-03-26 → 2020-03-26 · 4 obs

○ 2017-04-08 03:25:52
● 2020-03-26 16:06:12
○ 2026-03-25 10:12:08
○ 2026-04-14 01:32:48

●A156.234.37.402026-03-25 → 2026-04-14 · 3 obs

○ 2020-03-26 16:06:12
● 2026-03-25 10:12:08
● 2026-04-14 01:32:48

○A52.4.209.2502015-06-25 → 2015-06-25 · 3 obs

● 2015-06-25 00:08:56
○ 2015-10-30 20:16:02
○ 2026-04-14 01:32:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
learningcn.com	b1.share-dns.net, a1.share-dns.com	1 record

✅ Authoritative Response

Server:172.64.53.25

NS records: b1.share-dns.net, a1.share-dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for learningcn.com (unsigned zone)

⏱️ Timing

Total: 435ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`156.234.37.40`
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 (a1.share-dns.com)

Analysis

IP Addresses

learningcn.com points to an IP address: 156.234.37.40.

Name Servers

learningcn.com delegates to four name servers: a1.share-dns.com, a.share-dns.com, b1.share-dns.net and b.share-dns.net.

learningcn.com at least partially shares name servers with other domains, for instance bingoplus1.bond, 66hoho.com, yasjzs.com, zzggwu.com and dm-laser.com.