`traininginstruction.com`

	CNAME	`exp.gs-cdn.com`
	DNSSEC	⚠️ Not signed
	A	172.65.190.172^{🇺🇸 Cloudflare172.65.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}

`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=1774620597

Same first word

traininginstruction.com

DNS History

8 records (3 active, 5 former)

○NSa.share-dns.com2026-02-18 → 2026-02-18 · 2 obs

● 2026-02-18 11:47:54
○ 2026-03-27 14:19:56

○NSb.share-dns.net2026-02-18 → 2026-02-18 · 2 obs

● 2026-02-18 11:47:54
○ 2026-03-27 14:19:56

●NSexpire1.gname-dns.com2026-03-27 → 2026-03-27 · 2 obs

○ 2026-02-18 11:47:54
● 2026-03-27 14:19:56

●NSexpire2.gname-dns.com2026-03-27 → 2026-03-27 · 2 obs

○ 2026-02-18 11:47:54
● 2026-03-27 14:19:56

○NSns1.gname-dns.com2026-02-18 → 2026-02-18 · 2 obs

● 2026-02-18 11:47:54
○ 2026-03-27 14:19:56

○NSns2.gname-dns.com2026-02-18 → 2026-02-18 · 2 obs

● 2026-02-18 11:47:54
○ 2026-03-27 14:19:56

○A38.173.71.2382026-02-18 → 2026-02-18 · 2 obs

● 2026-02-18 11:47:54
○ 2026-03-27 14:19:56

●CNAMEexp.gs-cdn.com2026-03-27 → 2026-03-27 · 1 obs

● 2026-03-27 14:19:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	d.gtld-servers.net, m.gtld-servers.net, l.gtld-servers.net, e.gtld-servers.net...	-
traininginstruction.com	expire1.gname-dns.com, expire2.gname-dns.com	2 records

✅ Authoritative Response

Server:172.64.53.233

NS records: expire1.gname-dns.com, expire2.gname-dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for traininginstruction.com (unsigned zone)

⏱️ Timing

Total: 527ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`expire1.gname-dns.com, expire2.gname-dns.com`
CNAME	1	`exp.gs-cdn.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (expire1.gname-dns.com, expire2.gname-dns.com)

Analysis

IP Addresses

traininginstruction.com points to IP number: 172.65.190.172.

Other host names, for instance 0syn.com and exp.gs-cdn.com, share IP numbers with traininginstruction.com.

traininginstruction.com - robtex.com