cornerstonegrp.com - dns.ninja

`cornerstonegrp.com`

DNSSEC	⚠️ Not signed
A	151.101.66.159^{🇺🇸 Fastly151.101.64.0/22}
NS	`ns51.domaincontrol.com` ⭐
		A	2603:5:2192::1a^{🇺🇸 GODADDY-DNS2603:5:2190::/44}
			PTR	`ns51.domaincontrol.com`
		A	97.74.105.26^{🇺🇸 GODADDY-DNS97.74.104.0/23}
			PTR	`ns51.domaincontrol.com`
NS	`ns52.domaincontrol.com`
		A	2603:5:2292::1a^{🇺🇸 GODADDY-DNS2603:5:2290::/44}
			PTR	`ns52.domaincontrol.com`
		A	173.201.73.26^{🇺🇸 GODADDY-DNS173.201.72.0/23}
			PTR	`ns52.domaincontrol.com`
MX	`mx1-us1.ppe-hosted.com` ⭐
		A	67.231.154.162^{🇺🇸 Proofpoint67.231.154.0/24 Inc.}
			PTR	`mx1-us1.ppe-hosted.com`
		A	148.163.129.50^{🇺🇸 AS13916148.163.129.0/24 Proofpoint Inc.}
			PTR	`mx1-us1.ppe-hosted.com`
MX	`mx2-us1.ppe-hosted.com`⁽²⁰⁾
		A	67.231.154.163^{🇺🇸 Proofpoint67.231.154.0/24 Inc.}
			PTR	`mx2-us1.ppe-hosted.com`
		A	148.163.129.51^{🇺🇸 AS13916148.163.129.0/24 Proofpoint Inc.}
			PTR	`mx2-us1.ppe-hosted.com`
TXT	`openai-domain-verification=dv-Sh0v3r45CezowBsA4Dfl7uXT`
TXT	`anthropic-domain-verification-kqwehf=pearalryQIbOFbDAqXdHCTE2Y`
TXT	`v=spf1 mx ip4:12.39.11.34 ip4:104.156.184.0/23 ip4:64.18.4.12 ip4:12.39.11.35...`
TXT	`MS=1D179A57DEA3DBA490EC9919F7F0CC2B391EE805`
TXT	`apple-domain-verification=lV9SRow1qxYXpLCa`
TXT	`MS=0DFCA06DD8899D5FBAF4E288ADD7345A48A4A0BA`
TXT	`ppe-f28c94b29ab4219b4107`
TXT	`v=verifydomain MS=9741979`
SOA	`ns51.domaincontrol.com`dns@jomax.net 2026-06-25 #0

`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=1783154401

WOT: SUSPICIOUS (50/100)

Subdomains

mail.cornerstonegrp.com

mail2.cornerstonegrp.com

Same first word

cornerstonegrp.com

DNS History

11 records (5 active, 6 former)

●NSns51.domaincontrol.com2015-06-06 → 2026-07-04 · 2 obs

● 2015-06-06 17:52:04
● 2026-07-04 09:10:10

●NSns52.domaincontrol.com2015-06-06 → 2026-07-04 · 2 obs

● 2015-06-06 17:52:04
● 2026-07-04 09:10:10

○MXcornerstonegrp.com.inbound15.mxlogic.net2015-06-06 → 2016-03-15 · 4 obs

● 2015-06-06 17:52:04
● 2016-03-15 07:55:14
○ 2016-08-12 03:05:26
○ 2026-07-04 09:10:10

○MXcornerstonegrp.com.inbound15.mxlogicmx.net2015-06-06 → 2016-03-15 · 4 obs

● 2015-06-06 17:52:04
● 2016-03-15 07:55:14
○ 2016-08-12 03:05:26
○ 2026-07-04 09:10:10

○MXmail1.cornerstonegrp.com2016-08-12 → 2017-04-01 · 5 obs

○ 2016-03-15 07:55:14
● 2016-08-12 03:05:26
● 2017-04-01 09:20:00
○ 2020-04-13 18:52:50
○ 2026-07-04 09:10:10

○MXmail2.cornerstonegrp.com2016-08-12 → 2017-04-01 · 5 obs

○ 2016-03-15 07:55:14
● 2016-08-12 03:05:26
● 2017-04-01 09:20:00
○ 2020-04-13 18:52:50
○ 2026-07-04 09:10:10

●MXmx1-us1.ppe-hosted.com2016-08-12 → 2026-07-04 · 3 obs

○ 2016-03-15 07:55:14
● 2016-08-12 03:05:26
● 2026-07-04 09:10:10

●MXmx2-us1.ppe-hosted.com2016-08-12 → 2026-07-04 · 3 obs

○ 2016-03-15 07:55:14
● 2016-08-12 03:05:26
● 2026-07-04 09:10:10

●A151.101.66.1592026-03-26 → 2026-07-04 · 3 obs

○ 2020-04-13 18:52:50
● 2026-03-26 12:23:08
● 2026-07-04 09:10:10

○A184.168.131.2412020-04-13 → 2020-04-13 · 4 obs

○ 2017-04-01 09:20:00
● 2020-04-13 18:52:50
○ 2026-03-26 12:23:08
○ 2026-07-04 09:10:10

○A184.168.221.172015-06-06 → 2017-04-01 · 4 obs

● 2015-06-06 17:52:04
● 2017-04-01 09:20:00
○ 2020-04-13 18:52:50
○ 2026-07-04 09:10:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	j.gtld-servers.net, d.gtld-servers.net, k.gtld-servers.net, b.gtld-servers.net...	-
cornerstonegrp.com	ns51.domaincontrol.com, ns52.domaincontrol.com	4 records

✅ Authoritative Response

Server:97.74.105.26

NS records: ns51.domaincontrol.com, ns52.domaincontrol.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cornerstonegrp.com (unsigned zone)

⏱️ Timing

Total: 184ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`151.101.66.159`
NS	2	`ns51.domaincontrol.com, ns52.domaincontrol.com`
MX	2	`mx1-us1.ppe-hosted.com (pri: 10), mx2-us1.ppe-hosted.com (pri: 20)`
TXT	8	`openai-domain-verification=dv-Sh0v3r45Ce, anthropic-domain-verification-kqwehf=pea...`
SOA	1	`ns51.domaincontrol.com dns.jomax.net`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns51.domaincontrol.com, ns51.domaincontrol.com, ns52.domaincontrol.com...)

Analysis

Hierarchy

mail.cornerstonegrp.com and mail2.cornerstonegrp.com each fall under cornerstonegrp.com as their parent domain.

IP Addresses

cornerstonegrp.com resolves to just one IP address, 151.101.66.159.

Two other host names, along with mikapark.com, alllinesofiowa.com and medtechintelligence.com, also share IP numbers with cornerstonegrp.com.

Name Servers

DNS delegation for cornerstonegrp.com points to two name servers: ns51.domaincontrol.com and ns52.domaincontrol.com.

cornerstonegrp.com shares its NS records with other domains, for example townofjackson.com, haceren.com, schwuel.de and two others.

cornerstonegrp.com has partial name server overlap with other domains, including ccfd.ca.

ns51.domaincontrol.com directs to 97.74.105.26 and 2603:5:2192::1a. ns52.domaincontrol.com directs to 173.201.73.26 and 2603:5:2292::1a. Each host name carries two IP addresses.

Mail Servers

cornerstonegrp.com is served by two mail servers, mx1-us1.ppe-hosted.com and mx2-us1.ppe-hosted.com.

Among the domains sharing a mail server setup with cornerstonegrp.com are micro-armor.com, theflecks.net, egtw.com and two others.

There is at least a partial MX overlap between cornerstonegrp.com and other domains, including jpxpress.com.au, rectorcompanies.com, barndoorag.com and two others.

mx1-us1.ppe-hosted.com directs to 67.231.154.162 and 148.163.129.50. mx2-us1.ppe-hosted.com directs to 67.231.154.163 and 148.163.129.51. Each host name carries two IP addresses.