`thecornerstonegroup.us`

DNSSEC	⚠️ Not signed
A	138.197.55.250^{🇺🇸 DIGITALOCEAN138.197.52.0/22 DigitalOcean}
NS	`ns3.zen-host.com` ⭐
		A	138.197.33.181^{🇺🇸 DIGITALOCEAN138.197.32.0/20 DigitalOcean}
			PTR	`server.zen-host.com`
NS	`ns4.zen-host.com`
		A	138.197.55.250^{🇺🇸 DIGITALOCEAN138.197.52.0/22 DigitalOcean}
MX	`thecornerstonegroup-us.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:f805::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-co1pr03cu00301.inbound.protection.outlook.com`
		A	2a01:111:f403:f905::4^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-dm2pr04cu00404.inbound.protection.outlook.com`
		A	2a01:111:f403:f90b::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-bn6pr04cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:f90d::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sn1pr0501cu00301.inbound.protection.outlook.com`
		A	40.93.192.4^{🇺🇸 Microsoft40.80.0.0/12}
			PTR	`mail-dm2pr04cu00404.inbound.protection.outlook.com`
		A	52.101.10.2^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-bn8pr03cu00202.inbound.protection.outlook.com`
		A	52.101.40.6^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-cy1pr03cu00106.inbound.protection.outlook.com`
		A	52.101.41.183^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-byapr04cu00307.inbound.protection.outlook.com`
TXT	`google-site-verification=NZspg7XEJ_L1GwY7ngnkYTLX8FtsTyZWOHWlvJLdv2k`
TXT	`MS=ms57670337`
TXT	`v=verifydomain MS=9065877`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
SOA	`ns3.zen-host.com`hello@zen-host.com 2026-03-06 #16

`us`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.cctld.us` ⭐
	NS	`b.cctld.us`
	NS	`f.cctld.us`
	NS	`k.cctld.us`
	NS	`m.cctld.us`
	NS	`n.cctld.us`
	NS	`w.cctld.us`
	NS	`x.cctld.us`
	NS	`y.cctld.us`
	SOA	`a.cctld.us`admin@tldns.godaddy serial=1777487581

Same first word

thecornerstonegroup.us

thecornerstonegroup.org

DNS History

13 records (4 active, 9 former)

●NSns3.zen-host.com2026-03-08 → 2026-04-29 · 3 obs

○ 2026-03-01 00:21:00
● 2026-03-08 03:28:16
● 2026-04-29 18:59:24

○NSns33.domaincontrol.com2017-03-15 → 2026-03-01 · 4 obs

● 2017-03-15 11:08:18
● 2026-03-01 00:21:00
○ 2026-03-08 03:28:16
○ 2026-04-29 18:59:24

○NSns34.domaincontrol.com2017-03-15 → 2026-03-01 · 4 obs

● 2017-03-15 11:08:18
● 2026-03-01 00:21:00
○ 2026-03-08 03:28:16
○ 2026-04-29 18:59:24

●NSns4.zen-host.com2026-03-08 → 2026-04-29 · 3 obs

○ 2026-03-01 00:21:00
● 2026-03-08 03:28:16
● 2026-04-29 18:59:24

○MXmx1-us1.ppe-hosted.com2026-02-17 → 2026-02-20 · 5 obs

○ 2020-04-08 02:27:24
● 2026-02-17 18:47:34
● 2026-02-20 18:56:28
○ 2026-02-20 20:54:42
○ 2026-04-29 18:59:24

○MXmx2-us1.ppe-hosted.com2026-02-17 → 2026-02-20 · 5 obs

○ 2020-04-08 02:27:24
● 2026-02-17 18:47:34
● 2026-02-20 18:56:28
○ 2026-02-20 20:54:42
○ 2026-04-29 18:59:24

●MXthecornerstonegroup-us.mail.protection.outlook.com2017-03-15 → 2026-04-29 · 6 obs

● 2017-03-15 11:08:18
● 2020-04-08 02:27:24
○ 2026-02-17 18:47:34
○ 2026-02-20 18:56:28
● 2026-02-20 20:54:42
● 2026-04-29 18:59:24

●A138.197.55.2502026-03-08 → 2026-04-29 · 3 obs

○ 2026-03-01 00:21:00
● 2026-03-08 03:28:16
● 2026-04-29 18:59:24

○A192.124.249.1382026-02-17 → 2026-03-01 · 5 obs

○ 2020-04-08 02:27:24
● 2026-02-17 18:47:34
● 2026-03-01 00:21:00
○ 2026-03-08 03:28:16
○ 2026-04-29 18:59:24

○A198.185.159.1442017-03-15 → 2020-04-08 · 4 obs

● 2017-03-15 11:08:18
● 2020-04-08 02:27:24
○ 2026-02-17 18:47:34
○ 2026-04-29 18:59:24

○A198.185.159.1452017-03-15 → 2020-04-08 · 4 obs

● 2017-03-15 11:08:18
● 2020-04-08 02:27:24
○ 2026-02-17 18:47:34
○ 2026-04-29 18:59:24

○A198.49.23.1442017-03-15 → 2020-04-08 · 4 obs

● 2017-03-15 11:08:18
● 2020-04-08 02:27:24
○ 2026-02-17 18:47:34
○ 2026-04-29 18:59:24

○A198.49.23.1452017-03-15 → 2020-04-08 · 4 obs

● 2017-03-15 11:08:18
● 2020-04-08 02:27:24
○ 2026-02-17 18:47:34
○ 2026-04-29 18:59:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
us	b.cctld.us, f.cctld.us, k.cctld.us, m.cctld.us...	-
thecornerstonegroup.us	ns4.zen-host.com, ns3.zen-host.com	-

✅ Authoritative Response

Server:138.197.33.181

NS records: ns4.zen-host.com, ns3.zen-host.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for thecornerstonegroup.us (unsigned zone)

⏱️ Timing

Total: 479ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`138.197.55.250`
NS	2	`ns4.zen-host.com, ns3.zen-host.com`
MX	1	`thecornerstonegroup-us.mail.protection.o`
TXT	4	`google-site-verification=NZspg7XEJ_L1GwY, MS=ms57670337...`
SOA	1	`ns3.zen-host.com hello.zen-host.com`

Analysis

IP Addresses

thecornerstonegroup.us points to IP number 138.197.55.250.

For instance, other host names crytix.com, ns4.zen-host.com, bhulaw.com, boldrosesolutions.co.uk and taichifuture.com share IP numbers with thecornerstonegroup.us.

Name Servers

thecornerstonegroup.us is delegated to two name servers: ns3.zen-host.com and ns4.zen-host.com.

thecornerstonegroup.us uses the same name server setup as other domains such as quantumbermuda.com, advtechnicalinstitute.com, zen-host.com, ns3.zen-host.com and strategiasolutionsllc.com.

thecornerstonegroup.us shares name servers with other domains at least partially, for instance crytix.com, bhulaw.com and daveylynch.com.

These name servers are commonly used with the name servers ns1.zen-host.com and ns2.zen-host.com.

Host names with one IP number:

ns3.zen-host.com points to: 138.197.33.181.

ns4.zen-host.com points to: 138.197.55.250.

Mail Servers

thecornerstonegroup.us is handled by a single mail server, thecornerstonegroup-us.mail.protection.outlook.com.

Host name thecornerstonegroup-us.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:f805::1, 2a01:111:f403:f905::4, 2a01:111:f403:f90b::, 2a01:111:f403:f90d::1, 40.93.192.4, 52.101.10.2, 52.101.40.6 and 52.101.41.183.

thecornerstonegroup.us - robtex.com