`esf9training.com`

DNSSEC	⚠️ Not signed
A	165.91.36.137^{🇺🇸 TAMU165.91.0.0/16 Texas A&M University CIS - Network Group MS 3142 College Station TX 77843-3142, USA}
		PTR	`hq-ke1.teex.tamus.edu`
NS	`ns49.worldnic.com` ⭐
		A	162.159.26.111^{Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns50.worldnic.com`
		A	162.159.27.50^{Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
SOA	`NS49.WORLDNIC.com`namehost@WORLDNIC.com serial=121110710

`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=1777184091

Same first word

esf9training.com

esf9training.org

esf9training.net

DNS History

5 records (3 active, 2 former)

●NSns49.worldnic.com2015-07-24 → 2026-04-26 · 2 obs

● 2015-07-24 05:03:16
● 2026-04-26 06:42:58

●NSns50.worldnic.com2015-07-24 → 2026-04-26 · 2 obs

● 2015-07-24 05:03:16
● 2026-04-26 06:42:58

○MXp.webcom.ctmail.com2015-11-22 → 2017-08-10 · 4 obs

● 2015-11-22 14:27:10
● 2017-08-10 17:34:00
○ 2026-04-10 12:09:00
○ 2026-04-26 06:42:58

○A165.91.19.182015-07-24 → 2017-08-10 · 4 obs

● 2015-07-24 05:03:16
● 2017-08-10 17:34:00
○ 2026-04-10 12:09:00
○ 2026-04-26 06:42:58

●A165.91.36.1372026-04-10 → 2026-04-26 · 3 obs

○ 2017-08-10 17:34:00
● 2026-04-10 12:09:00
● 2026-04-26 06:42:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	e.gtld-servers.net, a.gtld-servers.net, b.gtld-servers.net, g.gtld-servers.net...	-
esf9training.com	ns49.worldnic.com, ns50.worldnic.com	2 records

✅ Authoritative Response

Server:162.159.27.50

NS records: ns49.worldnic.com, ns50.worldnic.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for esf9training.com (unsigned zone)

⏱️ Timing

Total: 155ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`165.91.36.137`
NS	2	`ns49.worldnic.com, ns50.worldnic.com`
SOA	1	`NS49.WORLDNIC.com namehost.WORLDNIC.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns49.worldnic.com, ns50.worldnic.com)

Analysis

IP Addresses

esf9training.com points to a single IP number: 165.91.36.137.

other host names for instance sitesontexas.net, preparingnewmexico.com, esf9training.org, hq-ke1.teex.tamus.edu and esf9training.net share IP numbers with esf9training.com.

Name Servers

esf9training.com is delegated to two name servers: ns49.worldnic.com and ns50.worldnic.com.

esf9training.com shares the same name server setup as other domains, for example ccaction.org, aceflag.com, gilbertyp.com, tricotex.net and gcdi.com.

esf9training.com at least partially shares its name servers with other domains, for instance okta.plus.

Host names with one IP number:

The host ns49.worldnic.com points to 162.159.26.111 and the host ns50.worldnic.com points to 162.159.27.50.

esf9training.com - robtex.com