`plmuniversity.com`

DNSSEC	⚠️ Not signed
A	209.234.212.6^{🇺🇸 AS3356209.234.212.0/24}
		PTR	`10travel.com`
		PTR	`prevuelogic.com`
		PTR	`tentravel.com`
		PTR	`prevuelogic.net`
		PTR	`tristarcommunications.net`
		PTR	`www.tentravel.co`
		PTR	`www.10travel.com`
		PTR	`support.prevuelogic.com`
		PTR	`www.prevuelogic.com`
		PTR	`www.proengineer.com`
		PTR	`www.startuptools.com`
		PTR	`www.tentravel.com`
		PTR	`apps.tristar.com`
		PTR	`charlie.tristar.com`
		PTR	`delta.tristar.com`
		PTR	`foxtrot.tristar.com`
		PTR	`oldsites.tristar.com`
		PTR	`piwik.tristar.com`
		PTR	`projectlink.tristar.com`
		PTR	`support.tristar.com`
		PTR	`test.tristar.com`
		PTR	`testsite.tristar.com`
		PTR	`training.tristar.com`
		PTR	`wiki.tristar.com`
		PTR	`www.prevuelogic.net`
		PTR	`www.startuptools.net`
		PTR	`www.tristarcommunications.net`
		PTR	`www.startuptools.us`
		PTR	`www.tristar.us.com`
NS	`ns81.worldnic.com` ⭐
		A	162.159.26.131^{Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns82.worldnic.com`
		A	162.159.27.117^{Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
SOA	`NS81.WORLDNIC.com`namehost@WORLDNIC.com serial=121040613

`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=1785954979

Same first word

plmuniversity.com

Similar names

mlpuniversity.net

DNS History

5 records (3 active, 2 former)

○NSdns5.tristar.com2015-07-10 → 2018-10-26 · 4 obs

● 2015-07-10 13:28:06
● 2018-10-26 06:42:46
○ 2026-03-14 20:31:38
○ 2026-08-05 18:39:22

○NSdns6.tristar.com2015-07-10 → 2018-10-26 · 4 obs

● 2015-07-10 13:28:06
● 2018-10-26 06:42:46
○ 2026-03-14 20:31:38
○ 2026-08-05 18:39:22

●NSns81.worldnic.com2026-03-14 → 2026-08-05 · 3 obs

○ 2018-10-26 06:42:46
● 2026-03-14 20:31:38
● 2026-08-05 18:39:22

●NSns82.worldnic.com2026-03-14 → 2026-08-05 · 3 obs

○ 2018-10-26 06:42:46
● 2026-03-14 20:31:38
● 2026-08-05 18:39:22

●A209.234.212.62015-07-10 → 2026-08-05 · 2 obs

● 2015-07-10 13:28:06
● 2026-08-05 18:39:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	f.gtld-servers.net, i.gtld-servers.net, h.gtld-servers.net, e.gtld-servers.net...	-
plmuniversity.com	ns81.worldnic.com, ns82.worldnic.com	2 records

✅ Authoritative Response

Server:162.159.27.117

NS records: ns81.worldnic.com, ns82.worldnic.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for plmuniversity.com (unsigned zone)

⏱️ Timing

Total: 278ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`209.234.212.6`
NS	2	`ns82.worldnic.com, ns81.worldnic.com`
SOA	1	`NS81.WORLDNIC.com namehost.WORLDNIC.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns81.worldnic.com, ns82.worldnic.com)

Analysis

IP Addresses

plmuniversity.com resolves to just one IP address, 209.234.212.6.

Two other host names, along with wildfirefordummies.com, destinationcrm.net and wincomm.com, also share IP numbers with plmuniversity.com.

Name Servers

plmuniversity.com is served by two delegated name servers, ns81.worldnic.com and ns82.worldnic.com.

plmuniversity.com shares its NS records with other domains, for example cepeterson.com, terralex.org, quantorics.com and two others.

The DNS delegation for plmuniversity.com at least partly coincides with that of other domains, gmaworldwide.com being one example.

ns81.worldnic.com resolves to 162.159.26.131. ns82.worldnic.com resolves to 162.159.27.117. Both host names point to a single IP number.

plmuniversity.com - robtex.com