computersfirst.com - dns.ninja

`computersfirst.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:d21^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::ac43:847d^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.13.33^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.132.125^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`alex.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b64^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alex.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c164^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`alex.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2164^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`alex.ns.cloudflare.com`
		A	108.162.193.100^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alex.ns.cloudflare.com`
		A	172.64.33.100^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alex.ns.cloudflare.com`
		A	173.245.59.100^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alex.ns.cloudflare.com`
NS	`jill.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a7a^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jill.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c07a^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`jill.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:207a^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`jill.ns.cloudflare.com`
		A	108.162.192.122^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jill.ns.cloudflare.com`
		A	172.64.32.122^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jill.ns.cloudflare.com`
		A	173.245.58.122^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jill.ns.cloudflare.com`
MX	`_dc-mx.963b2fb6582e.computersfirst.com` ⭐
		A	184.171.252.194^{🇺🇸 DimeNOC184.171.240.0/20 HostDime.com Route Object}
			PTR	`hs1.monsterweb.net`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.13.33, 172.67.132.125
		IPv6 hints	2606:4700:3031::6815:d21, 2606:4700:3036::ac43:847d
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=56, name=cloudflare-ech.com
SOA	`alex.ns.cloudflare.com`dns@cloudflare.com serial=2406229248

`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=1783077716

Same first word

computersfirst.com

Similar names

firstcomputers.co.uk

firstcomputers.net

firstcomputers.org

DNS History

23 records (7 active, 16 former)

●NSalex.ns.cloudflare.com2015-06-19 → 2026-07-03 · 3 obs

○ 2008-03-20 05:26:28
● 2015-06-19 12:17:38
● 2026-07-03 11:45:48

●NSjill.ns.cloudflare.com2015-06-19 → 2026-07-03 · 3 obs

○ 2008-03-20 05:26:28
● 2015-06-19 12:17:38
● 2026-07-03 11:45:48

○NSns.buydomains.com2008-03-20 → 2008-03-20 · 3 obs

● 2008-03-20 05:26:28
○ 2015-06-19 12:17:38
○ 2026-07-03 11:45:48

○NSthis-domain-for-sale.com2008-03-20 → 2008-03-20 · 3 obs

● 2008-03-20 05:26:28
○ 2015-06-19 12:17:38
○ 2026-07-03 11:45:48

●MX_dc-mx.963b2fb6582e.computersfirst.com2026-02-24 → 2026-07-03 · 3 obs

○ 2017-06-08 19:31:22
● 2026-02-24 19:03:18
● 2026-07-03 11:45:48

○MXdc-448ef11d.computersfirst.com2015-06-19 → 2016-12-01 · 5 obs

○ 2008-03-20 05:26:28
● 2015-06-19 12:17:38
● 2016-12-01 16:26:18
○ 2017-06-08 19:31:22
○ 2026-07-03 11:45:48

○MXdc-c9cada70fd6f.computersfirst.com2017-06-08 → 2017-06-08 · 4 obs

○ 2016-12-01 16:26:18
● 2017-06-08 19:31:22
○ 2026-02-24 19:03:18
○ 2026-07-03 11:45:48

○MXdev.null2008-03-20 → 2008-03-20 · 3 obs

● 2008-03-20 05:26:28
○ 2015-06-19 12:17:38
○ 2026-07-03 11:45:48

●A104.21.13.332026-02-24 → 2026-07-03 · 6 obs

○ 2017-06-08 19:31:22
● 2026-02-24 19:03:18
● 2026-06-17 04:27:12
○ 2026-06-22 08:34:04
● 2026-07-03 11:45:46
● 2026-07-03 11:45:48

○A104.28.8.722015-06-19 → 2017-06-08 · 5 obs

○ 2008-03-20 05:26:28
● 2015-06-19 12:17:38
● 2017-06-08 19:31:22
○ 2026-02-24 19:03:18
○ 2026-07-03 11:45:48

○A104.28.9.722015-06-19 → 2017-06-08 · 5 obs

○ 2008-03-20 05:26:28
● 2015-06-19 12:17:38
● 2017-06-08 19:31:22
○ 2026-02-24 19:03:18
○ 2026-07-03 11:45:48

●A172.67.132.1252026-02-24 → 2026-07-03 · 6 obs

○ 2017-06-08 19:31:22
● 2026-02-24 19:03:18
● 2026-06-17 04:27:12
○ 2026-06-22 08:34:04
● 2026-07-03 11:45:46
● 2026-07-03 11:45:48

○A188.114.96.02026-06-22 → 2026-06-22 · 4 obs

○ 2026-06-17 04:27:12
● 2026-06-22 08:34:04
○ 2026-07-03 11:45:46
○ 2026-07-03 11:45:48

○A188.114.97.02026-06-22 → 2026-06-22 · 4 obs

○ 2026-06-17 04:27:12
● 2026-06-22 08:34:04
○ 2026-07-03 11:45:46
○ 2026-07-03 11:45:48

○A208.254.26.1322008-03-20 → 2008-03-20 · 3 obs

● 2008-03-20 05:26:28
○ 2015-06-19 12:17:38
○ 2026-07-03 11:45:48

○A2400:cb00:2048:1::681c:8482015-06-19 → 2017-06-08 · 5 obs

○ 2008-03-20 05:26:28
● 2015-06-19 12:17:38
● 2017-06-08 19:31:22
○ 2026-02-24 19:03:18
○ 2026-07-03 11:45:48

○A2400:cb00:2048:1::681c:9482015-06-19 → 2017-06-08 · 5 obs

○ 2008-03-20 05:26:28
● 2015-06-19 12:17:38
● 2017-06-08 19:31:22
○ 2026-02-24 19:03:18
○ 2026-07-03 11:45:48

●A2606:4700:3031::6815:d212026-07-03 → 2026-07-03 · 3 obs

○ 2026-06-22 08:34:04
● 2026-07-03 11:45:46
● 2026-07-03 11:45:48

○A2606:4700:3035::ac43:847d2026-02-24 → 2026-06-17 · 5 obs

○ 2017-06-08 19:31:22
● 2026-02-24 19:03:18
● 2026-06-17 04:27:12
○ 2026-06-22 08:34:04
○ 2026-07-03 11:45:48

●A2606:4700:3036::ac43:847d2026-07-03 → 2026-07-03 · 3 obs

○ 2026-06-22 08:34:04
● 2026-07-03 11:45:46
● 2026-07-03 11:45:48

○A2606:4700:3037::6815:d212026-02-24 → 2026-06-17 · 5 obs

○ 2017-06-08 19:31:22
● 2026-02-24 19:03:18
● 2026-06-17 04:27:12
○ 2026-06-22 08:34:04
○ 2026-07-03 11:45:48

○A2a06:98c1:3120::2026-06-22 → 2026-06-22 · 4 obs

○ 2026-06-17 04:27:12
● 2026-06-22 08:34:04
○ 2026-07-03 11:45:46
○ 2026-07-03 11:45:48

○A2a06:98c1:3121::2026-06-22 → 2026-06-22 · 4 obs

○ 2026-06-17 04:27:12
● 2026-06-22 08:34:04
○ 2026-07-03 11:45:46
○ 2026-07-03 11:45:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	f.gtld-servers.net, e.gtld-servers.net, g.gtld-servers.net, k.gtld-servers.net...	-
computersfirst.com	alex.ns.cloudflare.com, jill.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.122

NS records: alex.ns.cloudflare.com, jill.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for computersfirst.com (unsigned zone)

⏱️ Timing

Total: 226ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.13.33, 172.67.132.125`
AAAA	2	`2606:4700:3031::6815:d21, 2606:4700:3036::ac43:847d`
NS	2	`alex.ns.cloudflare.com, jill.ns.cloudflare.com`
MX	1	`_dc-mx.963b2fb6582e.computersfirst.com (`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`alex.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

computersfirst.com resolves to four IP addresses: 104.21.13.33, 172.67.132.125, 2606:4700:3031::6815:d21 and 2606:4700:3036::ac43:847d.

Additional host names — klassiki-club.ru, moda-pharma.org, profinet.network and two others — share IP numbers with computersfirst.com.

Name Servers

Two name servers handle the delegation for computersfirst.com: alex.ns.cloudflare.com and jill.ns.cloudflare.com.

computersfirst.com shares its name server setup with other domains, including alemush.com, bluecloud.xyz, at-harbor.com and two others.

computersfirst.com has at least partial name server overlap with other domains, such as dawsee.com, vilailux.com, aiefdn.org and two others.

Host names with 6 IP numbers:

alex.ns.cloudflare.com resolves to 108.162.193.100, 172.64.33.100 and 173.245.59.100 among others, with 3 other IP addresses in total.

jill.ns.cloudflare.com resolves to 108.162.192.122, 172.64.32.122 and 173.245.58.122 among others, with 3 other IP addresses in total.

Mail Servers

computersfirst.com has one mail server: _dc-mx.963b2fb6582e.computersfirst.com.

_dc-mx.963b2fb6582e.computersfirst.com carries a single IP number, which is 184.171.252.194.