16class.com - dns.ninja

`16class.com`

DNSSEC	⚠️ Not signed
A	137.175.7.8^{🇺🇸 PEGTECHINC137.175.0.0/17 PEG TECH Inc. 11565 Old Ranch Ln Los Altos, CA 94024 US}
NS	`a9.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	`b9.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=1782412587

`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=1783168496

Same first word

16class.net

16class.com

Similar names

61class.com

class61.com

DNS History

11 records (5 active, 6 former)

●NSa.share-dns.com2026-03-28 → 2026-07-04 · 3 obs

○ 2016-11-29 04:37:56
● 2026-03-28 08:21:08
● 2026-07-04 12:55:16

●NSa9.share-dns.com2026-03-28 → 2026-07-04 · 3 obs

○ 2016-11-29 04:37:56
● 2026-03-28 08:21:08
● 2026-07-04 12:55:16

●NSb.share-dns.net2026-03-28 → 2026-07-04 · 3 obs

○ 2016-11-29 04:37:56
● 2026-03-28 08:21:08
● 2026-07-04 12:55:16

●NSb9.share-dns.net2026-03-28 → 2026-07-04 · 3 obs

○ 2016-11-29 04:37:56
● 2026-03-28 08:21:08
● 2026-07-04 12:55:16

○NSf1g1ns1.dnspod.net2016-11-29 → 2016-11-29 · 3 obs

● 2016-11-29 04:37:56
○ 2026-03-28 08:21:08
○ 2026-07-04 12:55:16

○NSf1g1ns2.dnspod.net2016-11-29 → 2016-11-29 · 3 obs

● 2016-11-29 04:37:56
○ 2026-03-28 08:21:08
○ 2026-07-04 12:55:16

○MXmxbiz1.qq.com2017-06-24 → 2017-06-24 · 3 obs

● 2017-06-24 23:12:52
○ 2026-03-28 08:21:08
○ 2026-07-04 12:55:16

○MXmxbiz2.qq.com2017-06-24 → 2017-06-24 · 3 obs

● 2017-06-24 23:12:52
○ 2026-03-28 08:21:08
○ 2026-07-04 12:55:16

○A123.207.155.2312017-06-24 → 2017-06-24 · 3 obs

● 2017-06-24 23:12:52
○ 2026-03-28 08:21:08
○ 2026-07-04 12:55:16

●A137.175.7.82026-07-04 → 2026-07-04 · 2 obs

○ 2026-03-28 08:21:08
● 2026-07-04 12:55:16

○CNAMEzexaqaqu.ccname.org2026-03-28 → 2026-03-28 · 2 obs

● 2026-03-28 08:21:08
○ 2026-07-04 12:55:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	c.gtld-servers.net, j.gtld-servers.net, l.gtld-servers.net, h.gtld-servers.net...	-
16class.com	b9.share-dns.net, a9.share-dns.com	1 record

✅ Authoritative Response

Server:172.64.53.25

NS records: b9.share-dns.net, a9.share-dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 16class.com (unsigned zone)

⏱️ Timing

Total: 133ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`137.175.7.8`
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 (a9.share-dns.com)

Analysis

IP Addresses

16class.com points to a single IP number: 137.175.7.8.

Additional host names — eanburg.com, ivdyl.com, www.yiwusx.com and two others — share IP numbers with 16class.com.

Name Servers

16class.com has four authoritative name servers: a9.share-dns.com, a.share-dns.com, b9.share-dns.net and b.share-dns.net.

16class.com shares at least some of its name servers with other domains, including cclyh.com, pc-sh.com, hb-cyfj.com and two others.

These name servers are frequently seen alongside a2.share-dns.com, b2.share-dns.net, a12.share-dns.com and 7 other name servers.

a9.share-dns.com and a.share-dns.com each resolve to 172.64.53.25, while b9.share-dns.net and b.share-dns.net each resolve to 172.64.52.239.

Host names pointing to 172.64.53.25 IP addresses: a9.share-dns.com and a.share-dns.com.

Host names pointing to 172.64.52.239 IP addresses: b9.share-dns.net and b.share-dns.net.