`customsoftwaredevelopment.us`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::6815:32de^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::ac43:a7a2^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.50.222^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.167.162^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`isla.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a77^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`isla.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c077^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`isla.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2077^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`isla.ns.cloudflare.com`
		A	108.162.192.119^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`isla.ns.cloudflare.com`
		A	172.64.32.119^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`isla.ns.cloudflare.com`
		A	173.245.58.119^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`isla.ns.cloudflare.com`
NS	`ricardo.ns.cloudflare.com`
		A	2606:4700:58::a29f:2cd3^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ricardo.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3d3^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`ricardo.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23d3^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`ricardo.ns.cloudflare.com`
		A	108.162.195.211^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ricardo.ns.cloudflare.com`
		A	162.159.44.211^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ricardo.ns.cloudflare.com`
		A	172.64.35.211^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ricardo.ns.cloudflare.com`
MX	`eforward1.registrar-servers.com` ⭐
		A	162.255.118.51^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`eforward1.registrar-servers.com`
			PTR	`eforward3.registrar-servers.com`
MX	`eforward2.registrar-servers.com` ⭐
		A	162.255.118.52^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`eforward2.registrar-servers.com`
MX	`eforward3.registrar-servers.com` ⭐
		A	162.255.118.51^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`eforward1.registrar-servers.com`
			PTR	`eforward3.registrar-servers.com`
MX	`eforward4.registrar-servers.com`⁽¹⁵⁾
		A	162.255.118.52^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`eforward2.registrar-servers.com`
MX	`eforward5.registrar-servers.com`⁽²⁰⁾
		A	162.255.118.51^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`eforward1.registrar-servers.com`
			PTR	`eforward3.registrar-servers.com`
TXT	`v=spf1 include:spf.efwd.registrar-servers.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.50.222, 172.67.167.162
		IPv6 hints	2606:4700:3033::6815:32de, 2606:4700:3033::ac43:a7a2
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=136, name=cloudflare-ech.com
SOA	`isla.ns.cloudflare.com`dns@cloudflare.com serial=2406319273

`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=1784474954

Previously MX for

customsoftwaredevelopment.us

Same first word

customsoftwaredevelopment.co.uk

customsoftwaredevelopment.de

customsoftwaredevelopment.com

customsoftwaredevelopment.us

customsoftwaredevelopment.com.au

customsoftwaredevelopment.net

Similar names

customdevelopmentsoftware.com

softwaredevelopmentcustom.com

DNS History

21 records (11 active, 10 former)

●NSisla.ns.cloudflare.com2026-07-01 → 2026-07-19 · 3 obs

○ 2020-04-13 15:11:12
● 2026-07-01 01:10:44
● 2026-07-19 15:51:58

○NSns3.itimpact.com2020-04-13 → 2020-04-13 · 3 obs

● 2020-04-13 15:11:12
○ 2026-07-01 01:10:44
○ 2026-07-19 15:51:58

○NSns4.itimpact.com2020-04-13 → 2020-04-13 · 3 obs

● 2020-04-13 15:11:12
○ 2026-07-01 01:10:44
○ 2026-07-19 15:51:58

●NSricardo.ns.cloudflare.com2026-07-01 → 2026-07-19 · 3 obs

○ 2020-04-13 15:11:12
● 2026-07-01 01:10:44
● 2026-07-19 15:51:58

○MXcustomsoftwaredevelopment.us2020-04-13 → 2020-04-13 · 3 obs

● 2020-04-13 15:11:12
○ 2026-07-01 01:10:44
○ 2026-07-19 15:51:58

●MXeforward1.registrar-servers.com2026-07-01 → 2026-07-19 · 3 obs

○ 2020-04-13 15:11:12
● 2026-07-01 01:10:44
● 2026-07-19 15:51:58

●MXeforward2.registrar-servers.com2026-07-01 → 2026-07-19 · 3 obs

○ 2020-04-13 15:11:12
● 2026-07-01 01:10:44
● 2026-07-19 15:51:58

●MXeforward3.registrar-servers.com2026-07-01 → 2026-07-19 · 3 obs

○ 2020-04-13 15:11:12
● 2026-07-01 01:10:44
● 2026-07-19 15:51:58

●MXeforward4.registrar-servers.com2026-07-01 → 2026-07-19 · 3 obs

○ 2020-04-13 15:11:12
● 2026-07-01 01:10:44
● 2026-07-19 15:51:58

●MXeforward5.registrar-servers.com2026-07-01 → 2026-07-19 · 3 obs

○ 2020-04-13 15:11:12
● 2026-07-01 01:10:44
● 2026-07-19 15:51:58

●A104.21.50.2222026-07-01 → 2026-07-19 · 7 obs

○ 2020-04-13 15:11:12
● 2026-07-01 01:10:44
○ 2026-07-04 17:43:58
● 2026-07-10 09:34:16
○ 2026-07-11 09:16:08
● 2026-07-11 09:48:40
● 2026-07-19 15:51:58

●A172.67.167.1622026-07-01 → 2026-07-19 · 7 obs

○ 2020-04-13 15:11:12
● 2026-07-01 01:10:44
○ 2026-07-04 17:43:58
● 2026-07-10 09:34:16
○ 2026-07-11 09:16:08
● 2026-07-11 09:48:40
● 2026-07-19 15:51:58

○A184.95.60.822020-04-13 → 2020-04-13 · 3 obs

● 2020-04-13 15:11:12
○ 2026-07-01 01:10:44
○ 2026-07-19 15:51:58

○A188.114.96.02026-07-04 → 2026-07-04 · 4 obs

○ 2026-07-01 01:10:44
● 2026-07-04 17:43:58
○ 2026-07-10 09:34:16
○ 2026-07-19 15:51:58

○A188.114.96.42026-07-11 → 2026-07-11 · 4 obs

○ 2026-07-10 09:34:16
● 2026-07-11 09:16:08
○ 2026-07-11 09:48:40
○ 2026-07-19 15:51:58

○A188.114.97.02026-07-04 → 2026-07-04 · 4 obs

○ 2026-07-01 01:10:44
● 2026-07-04 17:43:58
○ 2026-07-10 09:34:16
○ 2026-07-19 15:51:58

○A188.114.97.42026-07-11 → 2026-07-11 · 4 obs

○ 2026-07-10 09:34:16
● 2026-07-11 09:16:08
○ 2026-07-11 09:48:40
○ 2026-07-19 15:51:58

●A2606:4700:3033::6815:32de2026-07-01 → 2026-07-19 · 7 obs

○ 2020-04-13 15:11:12
● 2026-07-01 01:10:44
○ 2026-07-04 17:43:58
● 2026-07-10 09:34:16
○ 2026-07-11 09:16:08
● 2026-07-11 09:48:40
● 2026-07-19 15:51:58

●A2606:4700:3033::ac43:a7a22026-07-01 → 2026-07-19 · 7 obs

○ 2020-04-13 15:11:12
● 2026-07-01 01:10:44
○ 2026-07-04 17:43:58
● 2026-07-10 09:34:16
○ 2026-07-11 09:16:08
● 2026-07-11 09:48:40
● 2026-07-19 15:51:58

○A2a06:98c1:3120::2026-07-04 → 2026-07-11 · 6 obs

○ 2026-07-01 01:10:44
● 2026-07-04 17:43:58
○ 2026-07-10 09:34:16
● 2026-07-11 09:16:08
○ 2026-07-11 09:48:40
○ 2026-07-19 15:51:58

○A2a06:98c1:3121::2026-07-04 → 2026-07-11 · 6 obs

○ 2026-07-01 01:10:44
● 2026-07-04 17:43:58
○ 2026-07-10 09:34:16
● 2026-07-11 09:16:08
○ 2026-07-11 09:48:40
○ 2026-07-19 15:51:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
us	b.cctld.us, m.cctld.us, k.cctld.us, f.cctld.us...	-
customsoftwaredevelopment.us	ricardo.ns.cloudflare.com, isla.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.58.119

NS records: ricardo.ns.cloudflare.com, isla.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for customsoftwaredevelopment.us (unsigned zone)

⏱️ Timing

Total: 2145ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.167.162, 104.21.50.222`
AAAA	2	`2606:4700:3033::6815:32de, 2606:4700:3033::ac43:a7a2`
NS	2	`isla.ns.cloudflare.com, ricardo.ns.cloudflare.com`
MX	5	`eforward1.registrar-servers.com (pri: 10, eforward2.registrar-servers.com (pri: 10...`
TXT	1	`v=spf1 include:spf.efwd.registrar-server`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`isla.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

customsoftwaredevelopment.us has four IP addresses: 104.21.50.222, 172.67.167.162, 2606:4700:3033::6815:32de and 2606:4700:3033::ac43:a7a2.

databaselines.com, opal-leszno.pl, potenzmittel.site and two other host names share IP numbers with customsoftwaredevelopment.us.

Name Servers

The NS records for customsoftwaredevelopment.us delegate to isla.ns.cloudflare.com and ricardo.ns.cloudflare.com.

customsoftwaredevelopment.us uses the same name servers as several other domains — among them gamesites.cz, gjlw.com, betonredon.com and two more.

customsoftwaredevelopment.us partially shares its NS delegation with several other domains, including kcjzxx.com, madrat.info, ltrbxd.com and two others.

These name servers often co-occur with the name servers cloe.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

isla.ns.cloudflare.com maps to 108.162.192.119, 172.64.32.119, 173.245.58.119 and 3 additional IP addresses.

ricardo.ns.cloudflare.com maps to 108.162.195.211, 162.159.44.211, 172.64.35.211 and 3 additional IP addresses.

Mail Servers

Mail for customsoftwaredevelopment.us is handled by five mail servers, namely eforward1.registrar-servers.com, eforward2.registrar-servers.com, eforward3.registrar-servers.com and two others.

customsoftwaredevelopment.us has at least partial mail server overlap with other domains such as formatika.net, houseblendmusic.com, witchcave.com and two more.

The mail servers eforward4.registrar-servers.com, eforward5.registrar-servers.com, eforward6.registrar-servers.com and eforward7.registrar-servers.com are commonly seen alongside these mail servers.

Hosts with just one IP address:

eforward1.registrar-servers.com resolves to the IP address 162.255.118.51.

eforward2.registrar-servers.com resolves to the IP address 162.255.118.52.

eforward3.registrar-servers.com resolves to the IP address 162.255.118.51.

eforward4.registrar-servers.com resolves to the IP address 162.255.118.52.

eforward5.registrar-servers.com resolves to the IP address 162.255.118.51.

The host names eforward1.registrar-servers.com, eforward3.registrar-servers.com and eforward5.registrar-servers.com each resolve to 162.255.118.51.

eforward2.registrar-servers.com and eforward4.registrar-servers.com each have 162.255.118.52 IP addresses.