`introhcmanagement.com`

DNSSEC	⚠️ Not signed
A	198.187.138.57^{🇺🇸 AS40062198.187.138.0/23 CyrusOne - Proxy for Customer}
		PTR	`12leadecg.com`
		PTR	`attrauma.com`
		PTR	`ecsiblog.com`
		PTR	`emlssite.com`
		PTR	`emsprotocols.com`
		PTR	`emszone.com`
		PTR	`emtb.com`
		PTR	`gameenginegems.com`
		PTR	`healthleadership.com`
		PTR	`infinityscience.com`
		PTR	`infinitysciencepress.com`
		PTR	`iprcert.com`
		PTR	`jblhealthfoundations.com`
		PTR	`jonesandbartlett.com`
		PTR	`oeczone.com`
		PTR	`pahconnection.com`
		PTR	`physicianspress.com`
		PTR	`pspscale.com`
		PTR	`wordware.com`
		PTR	`iprcert.net`
		PTR	`www.12leadecg.com`
		PTR	`*.attrauma.com`
		PTR	`www.cdxautowiki.com`
		PTR	`support.cdxhosting.com`
		PTR	`*.emszone.com`
		PTR	`refresher.emszone.com`
		PTR	`*.emtb.com`
		PTR	`www.iprcert.com`
		PTR	`chemistry.jblearning.com`
		PTR	`custom.jblearning.com`
		PTR	`eatright.jblearning.com`
		PTR	`ers.jblearning.com`
		PTR	`gamescapes.jblearning.com`
		PTR	`learnscapes.jblearning.com`
		PTR	`nasm.jblearning.com`
		PTR	`sociology.jblearning.com`
		PTR	`www.jblhealthfoundations.com`
		PTR	`career.jbpub.com`
		PTR	`cdxtest.jbpub.com`
		PTR	`eatright.jbpub.com`
		PTR	`ext.jbpub.com`
		PTR	`fire.jbpub.com`
		PTR	`firefighter.jbpub.com`
		PTR	`healthprofessions.jbpub.com`
		PTR	`industrialfire.jbpub.com`
		PTR	`jbl-prd-app02-outside.jbpub.com`
		PTR	`jbl-prd-app02.jbpub.com`
		PTR	`microbiology.jbpub.com`
		PTR	`palstaging.jbpub.com`
		PTR	`psychology.jbpub.com`
		PTR	`rochediagnostics.jbpub.com`
		PTR	`sociology.jbpub.com`
		PTR	`tensteps2.jbpub.com`
		PTR	`ybear-outside.jbpub.com`
		PTR	`ybear.jbpub.com`
		PTR	`emsworld.recert.com`
		PTR	`www.iprcert.net`
		PTR	`*.www.cdxautowiki.com`
		PTR	`alpha.www.cdxautowiki.com`
		PTR	`beta.www.cdxautowiki.com`
		PTR	`www.refresher.emszone.com`
		PTR	`staging.cte.jblearning.com`
		PTR	`demo.pal.jblearning.com`
		PTR	`staging.pal.jblearning.com`
		PTR	`www.fire.jbpub.com`
		PTR	`www.firefighter.jbpub.com`
		PTR	`www.healthprofessions.jbpub.com`
		PTR	`www.industrialfire.jbpub.com`
		PTR	`demo.palstaging.jbpub.com`
NS	`dns01.ascendlearning.com` ⭐ ⚠️ Not in zone NS records
		A	198.187.138.235^{🇺🇸 AS40062198.187.138.0/23 CyrusOne - Proxy for Customer}
NS	`asc-prd-dns01.ad.ascendlearning.com` ⚠️ Not in parent delegation
NS	`dns02.ascendlearning.com` ⚠️ Not in zone NS records
		A	198.187.138.236^{🇺🇸 AS40062198.187.138.0/23 CyrusOne - Proxy for Customer}
			PTR	`dns02.ascendlearning.com`
SOA	`dns01.ascendlearning.com`hostmaster@ad.ascendlearning.com serial=16

`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=1777314841

Same first word

introhcmanagement.com

DNS History

5 records (4 active, 1 former)

●NSasc-prd-dns01.ad.ascendlearning.com2016-12-19 → 2026-04-27 · 2 obs

● 2016-12-19 06:58:04
● 2026-04-27 18:42:44

●NSdns01.ascendlearning.com2026-03-24 → 2026-04-27 · 3 obs

○ 2016-12-19 06:58:04
● 2026-03-24 22:25:52
● 2026-04-27 18:42:44

●NSdns02.ascendlearning.com2026-03-24 → 2026-04-27 · 3 obs

○ 2016-12-19 06:58:04
● 2026-03-24 22:25:52
● 2026-04-27 18:42:44

●A198.187.138.572026-03-24 → 2026-04-27 · 3 obs

○ 2017-10-06 06:42:00
● 2026-03-24 22:25:52
● 2026-04-27 18:42:44

○A198.187.138.852016-12-19 → 2017-10-06 · 4 obs

● 2016-12-19 06:58:04
● 2017-10-06 06:42:00
○ 2026-03-24 22:25:52
○ 2026-04-27 18:42:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
introhcmanagement.com	dns01.ascendlearning.com, dns02.ascendlearning.com	2 records

✅ Authoritative Response

Server:198.187.138.236

NS records: dns01.ascendlearning.com, dns02.ascendlearning.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for introhcmanagement.com (unsigned zone)

⏱️ Timing

Total: 3179ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`198.187.138.57`
NS	1	`asc-prd-dns01.ad.ascendlearning.com`
SOA	1	`dns01.ascendlearning.com hostmaster.ad.a`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (dns01.ascendlearning.com, dns02.ascendlearning.com)

Analysis

IP Addresses

introhcmanagement.com points to a single IP: 198.187.138.57.

Other host names, for instance emlssite.com, alpha.www.cdxautowiki.com, www.navigate2scenario.com, jonesandbartlett.com and wordware.com share IP numbers with introhcmanagement.com.

Name Servers

introhcmanagement.com is delegated to three name servers: dns01.ascendlearning.com, dns02.ascendlearning.com and asc-prd-dns01.ad.ascendlearning.com.

introhcmanagement.com partially shares name servers with other domains; examples include ati-virtualed.net, testeacherslive.net, informedpublishing.com, ascendcampus.org and sociologyresources.com.

Host names with one IP number: The host name dns01.ascendlearning.com points to 198.187.138.235 and the host name dns02.ascendlearning.com points to 198.187.138.236.

introhcmanagement.com - robtex.com