`learncentury.com`

DNSSEC	⚠️ Not signed
A	103.21.90.218^{🇲🇾 GIGABIT-1103.21.90.0/24 Gigabit Hosting Sdn Bhd 5-2, 3rd Mile Square 151, Jalan Klang Lama}
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=1769169715

`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=1774916757

WOT: SAFE (34/100)

Same first word

learncentury.com

DNS History

3 records (3 active, 0 former)

●NSa.share-dns.com2026-02-16 → 2026-03-31 · 2 obs

● 2026-02-16 14:24:38
● 2026-03-31 00:45:52

●NSb.share-dns.net2026-02-16 → 2026-03-31 · 2 obs

● 2026-02-16 14:24:38
● 2026-03-31 00:45:52

●A103.21.90.2182026-02-16 → 2026-03-31 · 2 obs

● 2026-02-16 14:24:38
● 2026-03-31 00:45:52

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, k.gtld-servers.net, g.gtld-servers.net, b.gtld-servers.net...	-
learncentury.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 learncentury.com (unsigned zone)

⏱️ Timing

Total: 181ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`103.21.90.218`
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

learncentury.com points to a single IP number: 103.21.90.218.

Other host names, for instance sxw1688.com, anewgeer.com, xilongxiang.com, alistspeakerseries.com and niuwaes.com share IP numbers with learncentury.com.

Name Servers

Delegation for learncentury.com rests with two name servers, a.share-dns.com and b.share-dns.net.

learncentury.com shares the same name server setup as other domains, including rzqwater.com, zjkjt.com, xxbs-sh.com, opalpanel.com and oushengmingyin.com.

learncentury.com at least partially shares name servers with other domains, for instance getaloud.com, zrpf666.com, hengaipetproducts.com, laoniuche.com and discount-unlock.com.

These name servers are commonly used together with the name servers a11.share-dns.com, b11.share-dns.net, a10.share-dns.com, b10.share-dns.net, a1.share-dns.com, b1.share-dns.net, a3.share-dns.com, b3.share-dns.net, a12.share-dns.com and b12.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.

learncentury.com - robtex.com