`computertraininggroup.com`

DNSSEC	⚠️ Not signed
A	216.57.231.7^{🇺🇸 AS7258216.57.224.0/20 MTC3}
		PTR	`webhost07.webhero.com`
NS	`ns1.webhero.com` ⭐
		A	216.57.226.6^{🇺🇸 AS7258216.57.224.0/20 MTC3}
			PTR	`ns1.webhero.com`
NS	`ns2.webhero.com`
		A	216.57.227.6^{🇺🇸 AS7258216.57.224.0/20 MTC3}
			PTR	`ns2.webhero.com`
NS	`ns3.webhero.com`
		A	216.57.228.6^{🇺🇸 AS7258216.57.224.0/20 MTC3}
			PTR	`ns3.webhero.com`
MX	`spamfilter2.webhero.com` ⭐
		A	216.57.225.200^{🇺🇸 AS7258216.57.224.0/20 MTC3}
			PTR	`spamshark01.webhero.com`
		A	216.57.225.201^{🇺🇸 AS7258216.57.224.0/20 MTC3}
			PTR	`spamshark02.webhero.com`
MX	`spamfilter.webhero.com`⁽²⁰⁾
		A	216.57.225.200^{🇺🇸 AS7258216.57.224.0/20 MTC3}
			PTR	`spamshark01.webhero.com`
		A	216.57.225.201^{🇺🇸 AS7258216.57.224.0/20 MTC3}
			PTR	`spamshark02.webhero.com`
TXT	`v=spf1 redirect=_spfwh.webhero.com`
SOA	`ns1.webhero.com`root@computertraininggroup.com serial=1463067861

`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=1786144774

Subdomains

www.computertraininggroup.com

Same first word

computertraininggroup.com

DNS History

12 records (6 active, 6 former)

○NSns1.catalog.com2015-06-22 → 2017-04-02 · 4 obs

● 2015-06-22 11:33:10
● 2017-04-02 21:27:10
○ 2026-05-08 15:31:18
○ 2026-08-07 23:45:58

●NSns1.webhero.com2026-05-08 → 2026-08-07 · 3 obs

○ 2017-04-02 21:27:10
● 2026-05-08 15:31:18
● 2026-08-07 23:45:58

○NSns2.catalog.com2015-06-22 → 2017-04-02 · 4 obs

● 2015-06-22 11:33:10
● 2017-04-02 21:27:10
○ 2026-05-08 15:31:18
○ 2026-08-07 23:45:58

●NSns2.webhero.com2026-05-08 → 2026-08-07 · 3 obs

○ 2017-04-02 21:27:10
● 2026-05-08 15:31:18
● 2026-08-07 23:45:58

○NSns3.catalog.com2015-06-22 → 2017-04-02 · 4 obs

● 2015-06-22 11:33:10
● 2017-04-02 21:27:10
○ 2026-05-08 15:31:18
○ 2026-08-07 23:45:58

●NSns3.webhero.com2026-05-08 → 2026-08-07 · 3 obs

○ 2017-04-02 21:27:10
● 2026-05-08 15:31:18
● 2026-08-07 23:45:58

○MXspamfilter.catalog.com2015-06-22 → 2016-02-24 · 4 obs

● 2015-06-22 11:33:10
● 2016-02-24 05:30:32
○ 2016-06-29 11:18:20
○ 2026-08-07 23:45:58

●MXspamfilter.webhero.com2016-06-29 → 2026-08-07 · 3 obs

○ 2016-02-24 05:30:32
● 2016-06-29 11:18:20
● 2026-08-07 23:45:58

○MXspamfilter2.catalog.com2015-06-22 → 2016-02-24 · 4 obs

● 2015-06-22 11:33:10
● 2016-02-24 05:30:32
○ 2016-06-29 11:18:20
○ 2026-08-07 23:45:58

●MXspamfilter2.webhero.com2016-06-29 → 2026-08-07 · 3 obs

○ 2016-02-24 05:30:32
● 2016-06-29 11:18:20
● 2026-08-07 23:45:58

○A209.217.33.1542015-06-22 → 2017-04-02 · 4 obs

● 2015-06-22 11:33:10
● 2017-04-02 21:27:10
○ 2026-05-08 15:31:18
○ 2026-08-07 23:45:58

●A216.57.231.72026-05-08 → 2026-08-07 · 3 obs

○ 2017-04-02 21:27:10
● 2026-05-08 15:31:18
● 2026-08-07 23:45:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
computertraininggroup.com	ns1.webhero.com, ns2.webhero.com, ns3.webhero.com	3 records

✅ Authoritative Response

Server:216.57.226.6

NS records: ns1.webhero.com, ns2.webhero.com, ns3.webhero.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for computertraininggroup.com (unsigned zone)

⏱️ Timing

Total: 528ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`216.57.231.7`
NS	3	`ns3.webhero.com, ns1.webhero.com...`
MX	2	`spamfilter2.webhero.com (pri: 20), spamfilter.webhero.com (pri: 10)`
TXT	1	`v=spf1 redirect=_spfwh.webhero.com`
SOA	1	`ns1.webhero.com root.computertraininggro`

📌 Glue Records Collected

Total: 3

Out-of-bailiwick: 3 (ns1.webhero.com, ns2.webhero.com, ns3.webhero.com)

Analysis

Hierarchy

www.computertraininggroup.com is delegated beneath computertraininggroup.com.

IP Addresses

computertraininggroup.com has exactly one IP address — 216.57.231.7.

emixprop.com, morriswilliamrealty.com, moskatel.com plus two other host names have IP numbers in common with computertraininggroup.com.

Name Servers

computertraininggroup.com is served by three name servers: ns1.webhero.com, ns2.webhero.com and ns3.webhero.com.

There is at least partial name server overlap between computertraininggroup.com and other domains — talentreesp.com, giafarrell.com, keithscomics.com and two more among them.

These name servers tend to appear in combination with the name servers dallasi5.dallas.net, dns.dallas.net, dns.okc.oklahoma.net and dns.tulsa.oklahoma.net.

ns1.webhero.com has IP address 216.57.226.6, ns2.webhero.com has IP address 216.57.227.6 and ns3.webhero.com has IP address 216.57.228.6 — one address each.

Mail Servers

computertraininggroup.com uses two mail servers, spamfilter2.webhero.com and spamfilter.webhero.com.

The mail server setup of computertraininggroup.com matches that of other domains such as poeltler.com, interactad.com, jimsbigthings.com and two others.

At least some of the mail servers used by computertraininggroup.com are shared with other domains: oklahoma.net, jmrk.net, ethos.net and two others among them.

spamfilter2.webhero.com has IP addresses 216.57.225.200 and 216.57.225.201; spamfilter.webhero.com has the same IP addresses: 216.57.225.200 and 216.57.225.201.

spamfilter2.webhero.com and spamfilter.webhero.com each have 216.57.225.200 IP addresses.

spamfilter2.webhero.com and spamfilter.webhero.com each have 216.57.225.201 IP addresses.

computertraininggroup.com - robtex.com