`companybuilder.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::6815:5741^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::ac43:8e02^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.87.65^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.142.2^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`amy.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a65^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`amy.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c065^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`amy.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2065^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`amy.ns.cloudflare.com`
		A	108.162.192.101^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	172.64.32.101^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	173.245.58.101^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`todd.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b92^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`todd.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c192^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`todd.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2192^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`todd.ns.cloudflare.com`
		A	108.162.193.146^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`todd.ns.cloudflare.com`
		A	172.64.33.146^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`todd.ns.cloudflare.com`
		A	173.245.59.146^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`todd.ns.cloudflare.com`
MX	`mx1.forwardemail.net` ⭐
		A	2604:a880:2:d0::306:1^{🇺🇸 DIGITALOCEAN2604:a880:2::/48 DigitalOcean}
			PTR	`mx1.forwardemail.net`
		A	2a02:6ea0:d71e::2^{🇺🇸 CDN772a02:6ea0:d700::/40 Denver IPv6}
			PTR	`mx1.forwardemail.net`
		A	121.127.44.56^{🇺🇸 CDN77121.127.44.0/24 Denver}
			PTR	`mx1.forwardemail.net`
		A	138.197.213.185^{🇺🇸 DIGITALOCEAN138.197.208.0/20 DigitalOcean}
			PTR	`mx1.forwardemail.net`
MX	`mx2.forwardemail.net` ⭐
		A	2604:a880:400:d1::cd:9001^{🇺🇸 DIGITALOCEAN2604:a880:400::/48 DigitalOcean}
			PTR	`mx2.forwardemail.net`
		A	2a02:6ea0:d71e::1^{🇺🇸 CDN772a02:6ea0:d700::/40 Denver IPv6}
			PTR	`mx2.forwardemail.net`
		A	104.248.224.170^{🇺🇸 DIGITALOCEAN104.248.224.0/20 DigitalOcean}
			PTR	`mx2.forwardemail.net`
		A	121.127.44.59^{🇺🇸 CDN77121.127.44.0/24 Denver}
			PTR	`mx2.forwardemail.net`
TXT	`forward-email-site-verification=8wLPkjKGna`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.87.65, 172.67.142.2
		IPv6 hints	2606:4700:3032::6815:5741, 2606:4700:3035::ac43:8e02
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=16, name=cloudflare-ech.com
SOA	`amy.ns.cloudflare.com`dns@cloudflare.com serial=2409776863

`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=1784688187

Subdomains

mail.companybuilder.com

Same first word

companybuilder.com

companybuilder.fr

companybuilder.co.uk

companybuilder.co

Similar names

companyrebuild.net

buildercompany.com

DNS History

25 records (8 active, 17 former)

●NSamy.ns.cloudflare.com2026-06-15 → 2026-07-22 · 3 obs

○ 2017-08-20 07:12:28
● 2026-06-15 13:45:46
● 2026-07-22 03:09:28

○NSns-1140.awsdns-14.org2016-04-21 → 2017-08-20 · 5 obs

○ 2015-07-03 21:00:44
● 2016-04-21 13:16:38
● 2017-08-20 07:12:28
○ 2026-06-15 13:45:46
○ 2026-07-22 03:09:28

○NSns-2004.awsdns-58.co.uk2016-04-21 → 2017-08-20 · 5 obs

○ 2015-07-03 21:00:44
● 2016-04-21 13:16:38
● 2017-08-20 07:12:28
○ 2026-06-15 13:45:46
○ 2026-07-22 03:09:28

○NSns-395.awsdns-49.com2016-04-21 → 2017-08-20 · 5 obs

○ 2015-07-03 21:00:44
● 2016-04-21 13:16:38
● 2017-08-20 07:12:28
○ 2026-06-15 13:45:46
○ 2026-07-22 03:09:28

○NSns-546.awsdns-04.net2016-04-21 → 2017-08-20 · 5 obs

○ 2015-07-03 21:00:44
● 2016-04-21 13:16:38
● 2017-08-20 07:12:28
○ 2026-06-15 13:45:46
○ 2026-07-22 03:09:28

○NSns1.mydyndns.org2007-10-24 → 2007-10-24 · 3 obs

● 2007-10-24 09:58:52
○ 2015-07-03 21:00:44
○ 2026-07-22 03:09:28

○NSns2.mydyndns.org2007-10-24 → 2007-10-24 · 3 obs

● 2007-10-24 09:58:52
○ 2015-07-03 21:00:44
○ 2026-07-22 03:09:28

○NSns3.mydyndns.org2007-10-24 → 2007-10-24 · 3 obs

● 2007-10-24 09:58:52
○ 2015-07-03 21:00:44
○ 2026-07-22 03:09:28

○NSns4.mydyndns.org2007-10-24 → 2007-10-24 · 3 obs

● 2007-10-24 09:58:52
○ 2015-07-03 21:00:44
○ 2026-07-22 03:09:28

○NSns5.mydyndns.org2007-10-24 → 2007-10-24 · 3 obs

● 2007-10-24 09:58:52
○ 2015-07-03 21:00:44
○ 2026-07-22 03:09:28

●NStodd.ns.cloudflare.com2026-06-15 → 2026-07-22 · 3 obs

○ 2017-08-20 07:12:28
● 2026-06-15 13:45:46
● 2026-07-22 03:09:28

○MXcompanybuilder-com.mail.protection.outlook.com2016-04-21 → 2017-08-20 · 5 obs

○ 2015-07-03 21:00:44
● 2016-04-21 13:16:38
● 2017-08-20 07:12:28
○ 2026-06-15 13:45:46
○ 2026-07-22 03:09:28

○MXmail.companybuilder.com2007-10-24 → 2007-10-24 · 3 obs

● 2007-10-24 09:58:52
○ 2015-07-03 21:00:44
○ 2026-07-22 03:09:28

●MXmx1.forwardemail.net2026-06-15 → 2026-07-22 · 3 obs

○ 2017-08-20 07:12:28
● 2026-06-15 13:45:46
● 2026-07-22 03:09:28

●MXmx2.forwardemail.net2026-06-15 → 2026-07-22 · 3 obs

○ 2017-08-20 07:12:28
● 2026-06-15 13:45:46
● 2026-07-22 03:09:28

●A104.21.87.652026-06-15 → 2026-07-22 · 3 obs

○ 2017-08-20 07:12:28
● 2026-06-15 13:45:46
● 2026-07-22 03:09:28

●A172.67.142.22026-06-15 → 2026-07-22 · 3 obs

○ 2017-08-20 07:12:28
● 2026-06-15 13:45:46
● 2026-07-22 03:09:28

○A178.62.198.322017-08-20 → 2017-08-20 · 4 obs

○ 2016-04-21 13:16:38
● 2017-08-20 07:12:28
○ 2026-06-15 13:45:46
○ 2026-07-22 03:09:28

○A207.148.248.1432015-11-09 → 2016-02-03 · 5 obs

○ 2015-07-03 21:00:44
● 2015-11-09 04:29:56
● 2016-02-03 06:29:00
○ 2016-04-21 13:16:38
○ 2026-07-22 03:09:28

○A2606:4700:3031::6815:57412026-06-15 → 2026-06-15 · 4 obs

○ 2017-08-20 07:12:28
● 2026-06-15 13:45:46
○ 2026-07-11 01:23:22
○ 2026-07-22 03:09:28

●A2606:4700:3032::6815:57412026-07-11 → 2026-07-22 · 3 obs

○ 2026-06-15 13:45:46
● 2026-07-11 01:23:22
● 2026-07-22 03:09:28

○A2606:4700:3032::ac43:8e022026-06-15 → 2026-06-15 · 4 obs

○ 2017-08-20 07:12:28
● 2026-06-15 13:45:46
○ 2026-07-11 01:23:22
○ 2026-07-22 03:09:28

●A2606:4700:3035::ac43:8e022026-07-11 → 2026-07-22 · 3 obs

○ 2026-06-15 13:45:46
● 2026-07-11 01:23:22
● 2026-07-22 03:09:28

○A66.151.181.492015-07-03 → 2015-07-03 · 4 obs

○ 2007-10-24 09:58:52
● 2015-07-03 21:00:44
○ 2015-11-09 04:29:56
○ 2026-07-22 03:09:28

○A70.246.89.1472007-10-24 → 2007-10-24 · 3 obs

● 2007-10-24 09:58:52
○ 2015-07-03 21:00:44
○ 2026-07-22 03:09:28

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	b.gtld-servers.net, i.gtld-servers.net, k.gtld-servers.net, e.gtld-servers.net...	-
companybuilder.com	amy.ns.cloudflare.com, todd.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.101

NS records: amy.ns.cloudflare.com, todd.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for companybuilder.com (unsigned zone)

⏱️ Timing

Total: 1821ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.87.65, 172.67.142.2`
AAAA	2	`2606:4700:3032::6815:5741, 2606:4700:3035::ac43:8e02`
NS	2	`amy.ns.cloudflare.com, todd.ns.cloudflare.com`
MX	2	`mx1.forwardemail.net (pri: 10), mx2.forwardemail.net (pri: 10)`
TXT	1	`forward-email-site-verification=8wLPkjKG`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`amy.ns.cloudflare.com dns.cloudflare.com`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (amy.ns.cloudflare.com, amy.ns.cloudflare.com, amy.ns.cloudflare.com...)

Analysis

Hierarchy

mail.companybuilder.com is a subdomain of companybuilder.com.

IP Addresses

companybuilder.com directs to four IP numbers, which are 104.21.87.65, 172.67.142.2, 2606:4700:3032::6815:5741 and 2606:4700:3035::ac43:8e02.

Additional host names — notasurbanas.com, shallotsoft.com, rafsanjane.com and two others — share IP numbers with companybuilder.com.

Name Servers

Two name servers handle the delegation for companybuilder.com: amy.ns.cloudflare.com and todd.ns.cloudflare.com.

companybuilder.com shares its name server setup with other domains, including visioderma.com, nph-mexico.org, lowerbid.com and two others.

The name servers of companybuilder.com overlap at least partially with those of other domains — among them behnegarco.com, gonazz.net, xljczz.cn and two more.

These name servers commonly appear in combination with the name servers byron.ns.cloudflare.com.

Host names with 6 IP numbers:

amy.ns.cloudflare.com resolves to 108.162.192.101, 172.64.32.101 and 173.245.58.101 among others, with 3 other IP addresses in total.

todd.ns.cloudflare.com resolves to 108.162.193.146, 172.64.33.146 and 173.245.59.146 among others, with 3 other IP addresses in total.

Mail Servers

companybuilder.com has two mail servers: mx1.forwardemail.net and mx2.forwardemail.net.

companybuilder.com shares the same mail server setup as other domains, including kleau.com, fitlend.com, totzcc.com and two others.

The mail servers for companybuilder.com overlap at least partially with those of other domains, including anbrew.ch and coolbad.com.

Each of the hosts mx1.forwardemail.net and mx2.forwardemail.net has four IP addresses: mx1.forwardemail.net points to 121.127.44.56, 138.197.213.185, 2604:a880:2:d0::306:1 and 2a02:6ea0:d71e::2, and mx2.forwardemail.net points to 104.248.224.170, 121.127.44.59, 2604:a880:400:d1::cd:9001 and 2a02:6ea0:d71e::1.

companybuilder.com - robtex.com