`cornerstone21.com`

DNSSEC	⚠️ Not signed
A	18.208.88.157^{🇺🇸 Amazon18.208.0.0/13 EC2 IAD prefix}
		PTR	`ec2-18-208-88-157.compute-1.amazonaws.com`
A	98.84.224.111^{🇺🇸 Amazon98.80.0.0/13 EC2 IAD Prefix}
NS	`dns1.p01.nsone.net` ⭐
		A	2620:4d:4000:6259:7:1:0:1^{🇺🇸 NSONE2620:4d:4000::/48 2620:4D:4000::/48}
			PTR	`dns1.p01.nsone.net`
		A	198.51.44.1^{🇺🇸 NSONE198.51.44.0/24 198.51.44.0}
			PTR	`dns1.p01.nsone.net`
NS	`dns1.p07.nsone.net`
		A	2620:4d:4000:6259:7:7:0:1^{🇺🇸 NSONE2620:4d:4000::/48 2620:4D:4000::/48}
			PTR	`dns1.p07.nsone.net`
		A	198.51.44.7^{🇺🇸 NSONE198.51.44.0/24 198.51.44.0}
			PTR	`dns1.p07.nsone.net`
NS	`dns2.p07.nsone.net`
		A	2a00:edc0:6259:7:7::2^{🇺🇸 NSONE2a00:edc0:6259::/48 NS1-2}
			PTR	`dns2.p07.nsone.net`
		A	198.51.45.7^{🇺🇸 NSONE198.51.45.0/24 198.51.45.0}
			PTR	`dns2.p07.nsone.net`
NS	`dns3.p07.nsone.net`
		A	2620:4d:4000:6259:7:7:0:3^{🇺🇸 NSONE2620:4d:4000::/48 2620:4D:4000::/48}
			PTR	`dns3.p07.nsone.net`
		A	198.51.44.71^{🇺🇸 NSONE198.51.44.0/24 198.51.44.0}
			PTR	`dns3.p07.nsone.net`
NS	`dns4.p07.nsone.net`
		A	2a00:edc0:6259:7:7::4^{🇺🇸 NSONE2a00:edc0:6259::/48 NS1-2}
			PTR	`dns4.p07.nsone.net`
		A	198.51.45.71^{🇺🇸 NSONE198.51.45.0/24 198.51.45.0}
			PTR	`dns4.p07.nsone.net`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c19::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bk-in-f27.1e100.net`
		A	172.253.62.27^{🇺🇸 Google172.253.62.0/24}
			PTR	`bc-in-f27.1e100.net`
TXT	`v=spf1 include:_spf.google.com ~all`
SOA	`dns1.p01.nsone.net`domains+netlify@netlify.com serial=1772731359

`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=1771291435

Same first word

cornerstone21.com

DNS History

14 records (8 active, 6 former)

●NSdns1.p01.nsone.net2026-03-15 → 2026-03-22 · 3 obs

○ 2017-08-12 10:08:38
● 2026-03-15 01:25:50
● 2026-03-22 23:35:22

●NSdns1.p07.nsone.net2026-03-15 → 2026-03-22 · 3 obs

○ 2017-08-12 10:08:38
● 2026-03-15 01:25:50
● 2026-03-22 23:35:22

●NSdns2.p07.nsone.net2026-03-15 → 2026-03-22 · 3 obs

○ 2017-08-12 10:08:38
● 2026-03-15 01:25:50
● 2026-03-22 23:35:22

●NSdns3.p07.nsone.net2026-03-15 → 2026-03-22 · 3 obs

○ 2017-08-12 10:08:38
● 2026-03-15 01:25:50
● 2026-03-22 23:35:22

●NSdns4.p07.nsone.net2026-03-15 → 2026-03-22 · 3 obs

○ 2017-08-12 10:08:38
● 2026-03-15 01:25:50
● 2026-03-22 23:35:22

○NSns5.worldnic.com2015-07-03 → 2017-08-12 · 4 obs

● 2015-07-03 21:06:42
● 2017-08-12 10:08:38
○ 2026-03-15 01:25:50
○ 2026-03-22 23:35:22

○NSns6.worldnic.com2015-07-03 → 2017-08-12 · 4 obs

● 2015-07-03 21:06:42
● 2017-08-12 10:08:38
○ 2026-03-15 01:25:50
○ 2026-03-22 23:35:22

●MXaspmx.l.google.com2026-03-15 → 2026-03-22 · 3 obs

○ 2017-08-12 10:08:38
● 2026-03-15 01:25:50
● 2026-03-22 23:35:22

○MXp.webcom.ctmail.com2015-11-06 → 2017-08-12 · 4 obs

● 2015-11-06 15:33:14
● 2017-08-12 10:08:38
○ 2026-03-15 01:25:50
○ 2026-03-22 23:35:22

●A18.208.88.1572026-03-22 → 2026-03-22 · 3 obs

○ 2026-03-15 01:25:50
● 2026-03-22 23:35:20
● 2026-03-22 23:35:22

○A208.91.197.272015-07-03 → 2017-08-12 · 4 obs

● 2015-07-03 21:06:42
● 2017-08-12 10:08:38
○ 2026-03-15 01:25:50
○ 2026-03-22 23:35:22

○A35.157.26.1352026-03-15 → 2026-03-15 · 4 obs

○ 2017-08-12 10:08:38
● 2026-03-15 01:25:50
○ 2026-03-22 23:35:20
○ 2026-03-22 23:35:22

○A63.176.8.2182026-03-15 → 2026-03-15 · 4 obs

○ 2017-08-12 10:08:38
● 2026-03-15 01:25:50
○ 2026-03-22 23:35:20
○ 2026-03-22 23:35:22

●A98.84.224.1112026-03-22 → 2026-03-22 · 3 obs

○ 2026-03-15 01:25:50
● 2026-03-22 23:35:20
● 2026-03-22 23:35:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
cornerstone21.com	dns1.p07.nsone.net, dns2.p07.nsone.net, dns3.p07.nsone.net, dns4.p07.nsone.net	-

✅ Authoritative Response

Server:198.51.45.7

NS records: dns1.p07.nsone.net, dns2.p07.nsone.net, dns3.p07.nsone.net, dns4.p07.nsone.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cornerstone21.com (unsigned zone)

⏱️ Timing

Total: 497ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`18.208.88.157, 98.84.224.111`
NS	4	`dns1.p07.nsone.net, dns2.p07.nsone.net...`
MX	1	`aspmx.l.google.com (pri: 1)`
TXT	1	`v=spf1 include:_spf.google.com ~all`
SOA	1	`dns1.p01.nsone.net domains+netlify.netli`

Analysis

IP Addresses

cornerstone21.com resolves to two IPs: 18.208.88.157 and 98.84.224.111.

other host names for instance maddenwalker.com, cluby.com, pastfactory.com, bublik.cloud and losarcosadventures.com share IP numbers with cornerstone21.com.

Name Servers

cornerstone21.com is delegated to five name servers: dns1.p01.nsone.net, dns1.p07.nsone.net, dns2.p07.nsone.net, dns3.p07.nsone.net and dns4.p07.nsone.net.

cornerstone21.com at least partially shares name servers with other domains, for instance case-ci.com, unseen-nairobi.com, hspsonline.com, permitswest.com and stevenrosendahl.com.

These name servers are often used together with the name servers ns01.squarespacedns.com, ns02.squarespacedns.com, ns03.squarespacedns.com, ns04.squarespacedns.com, dns2.p01.nsone.net, dns3.p01.nsone.net, dns4.p01.nsone.net, connect1.squarespacedns.com, connect2.squarespacedns.com and ns1.p201.dns.oraclecloud.net.

Hosts with two IP numbers:

dns1.p01.nsone.net points to 2620:4d:4000:6259:7:1:0:1 and 198.51.44.1.

dns1.p07.nsone.net points to 2620:4d:4000:6259:7:7:0:1 and 198.51.44.7.

dns2.p07.nsone.net points to 2a00:edc0:6259:7:7::2 and 198.51.45.7.

dns3.p07.nsone.net points to 2620:4d:4000:6259:7:7:0:3 and 198.51.44.71.

dns4.p07.nsone.net points to 2a00:edc0:6259:7:7::4 and 198.51.45.71.

Mail Servers

cornerstone21.com is handled by a single mail server, aspmx.l.google.com.

cornerstone21.com shares the same mail server setup as other domains, for instance ase-bv.com, sara.vn, vesco.vn, alfarentacar.mk and realization.com.

cornerstone21.com shares mail servers with other domains at least partially, including ns500699.ns500734.ns500699.ns500693.ns500699.ns500699.ns500699.ns500699.ns500699.ns500699.ns500588.ns500699.ns500632.ns500632.ns500588.ns500588.ns500588.dtrkdll.com, ligr.live, ns500699.ns500699.ns500734.ns500693.ns500699.ns500699.ns500693.ns500693.ns500699.ns500699.ns500683.ns500588.ns500632.ns500588.ns500588.dtrkdll.com, ns500698.ns500759.ns500698.ns500698.ns500758.ns500758.ns500736.ns500698.ns500698.ns500736.ns500735.ns500708.ns500619.ns500619.ns500576.ns500619.trackreceptor.com and ns500693.ns500699.ns500693.ns500699.ns500699.ns500734.ns500699.ns500699.ns500699.ns500699.ns500588.ns500693.ns500699.ns500612.ns500588.ns500110.dtrkdll.com.

These mail servers are commonly used alongside alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx4.googlemail.com and aspmx5.googlemail.com.

Host aspmx.l.google.com resolves to two IPs: 2607:f8b0:4004:c19::1b and 172.253.62.27.

cornerstone21.com - robtex.com