a1computer.com - dns.ninja

`a1computer.com`

DNSSEC	⚠️ Not signed
A	12.200.199.66^{🇺🇸 AS701812.128.0.0/9 12/8 upper half}
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	`yichun.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bf8^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`yichun.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1f8^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`yichun.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21f8^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`yichun.ns.cloudflare.com`
		A	108.162.193.248^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`yichun.ns.cloudflare.com`
		A	172.64.33.248^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`yichun.ns.cloudflare.com`
		A	173.245.59.248^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`yichun.ns.cloudflare.com`
MX	`mx-01-us-west-2.prod.hydra.sophos.com` ⭐
		A	18.246.194.22^{🇺🇸 Amazon18.246.0.0/16 EC2 PDX prefix}
			PTR	`ec2-18-246-194-22.us-west-2.compute.amazonaws.com`
		A	34.211.220.3^{🇺🇸 Amazon34.208.0.0/12 EC2 PDX prefix}
			PTR	`ec2-34-211-220-3.us-west-2.compute.amazonaws.com`
		A	52.41.111.253^{🇺🇸 Amazon52.40.0.0/14 EC2 PDX prefix}
			PTR	`ec2-52-41-111-253.us-west-2.compute.amazonaws.com`
MX	`mx-02-us-west-2.prod.hydra.sophos.com`⁽²⁰⁾
		A	18.246.194.22^{🇺🇸 Amazon18.246.0.0/16 EC2 PDX prefix}
			PTR	`ec2-18-246-194-22.us-west-2.compute.amazonaws.com`
		A	34.211.220.3^{🇺🇸 Amazon34.208.0.0/12 EC2 PDX prefix}
			PTR	`ec2-34-211-220-3.us-west-2.compute.amazonaws.com`
		A	52.41.111.253^{🇺🇸 Amazon52.40.0.0/14 EC2 PDX prefix}
			PTR	`ec2-52-41-111-253.us-west-2.compute.amazonaws.com`
TXT	`sophos-domain-verification=40464a6254390551813edb3c1e628ee81bbd1ee8`
TXT	`v=spf1 include:_spf_uswest2.prod.hydra.sophos.com ip4:12.200.199.64/28 ip4:18...`
SOA	`isla.ns.cloudflare.com`dns@cloudflare.com serial=2410517743

`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=1785626632

Subdomains

mailserver.a1computer.com

ms2.a1computer.com

ns1.a1computer.com

ns2.a1computer.com

ms1.a1computer.com

Same first word

a1computer.com

Similar names

1acomputer.at

computera1.de

DNS History

12 records (5 active, 7 former)

●NSisla.ns.cloudflare.com2026-02-16 → 2026-08-01 · 3 obs

○ 2017-06-27 15:10:00
● 2026-02-16 23:49:50
● 2026-08-01 23:32:36

○NSns5.dnsmadeeasy.com2015-05-30 → 2017-06-27 · 4 obs

● 2015-05-30 06:46:00
● 2017-06-27 15:10:00
○ 2026-02-16 23:49:50
○ 2026-08-01 23:32:36

○NSns6.dnsmadeeasy.com2015-05-30 → 2017-06-27 · 4 obs

● 2015-05-30 06:46:00
● 2017-06-27 15:10:00
○ 2026-02-16 23:49:50
○ 2026-08-01 23:32:36

○NSns7.dnsmadeeasy.com2015-05-30 → 2017-06-27 · 4 obs

● 2015-05-30 06:46:00
● 2017-06-27 15:10:00
○ 2026-02-16 23:49:50
○ 2026-08-01 23:32:36

○NSserver.a1computer.com2015-05-30 → 2017-06-27 · 4 obs

● 2015-05-30 06:46:00
● 2017-06-27 15:10:00
○ 2026-02-16 23:49:50
○ 2026-08-01 23:32:36

●NSyichun.ns.cloudflare.com2026-02-16 → 2026-08-01 · 3 obs

○ 2017-06-27 15:10:00
● 2026-02-16 23:49:50
● 2026-08-01 23:32:36

○MXms1.a1computer.com2015-05-30 → 2017-06-27 · 4 obs

● 2015-05-30 06:46:00
● 2017-06-27 15:10:00
○ 2026-02-16 23:49:50
○ 2026-08-01 23:32:36

○MXms2.a1computer.com2015-05-30 → 2017-06-27 · 4 obs

● 2015-05-30 06:46:00
● 2017-06-27 15:10:00
○ 2026-02-16 23:49:50
○ 2026-08-01 23:32:36

●MXmx-01-us-west-2.prod.hydra.sophos.com2026-02-16 → 2026-08-01 · 3 obs

○ 2017-06-27 15:10:00
● 2026-02-16 23:49:50
● 2026-08-01 23:32:36

●MXmx-02-us-west-2.prod.hydra.sophos.com2026-02-16 → 2026-08-01 · 3 obs

○ 2017-06-27 15:10:00
● 2026-02-16 23:49:50
● 2026-08-01 23:32:36

●A12.200.199.662026-02-16 → 2026-08-01 · 3 obs

○ 2017-06-27 15:10:00
● 2026-02-16 23:49:50
● 2026-08-01 23:32:36

○A184.180.162.1952015-05-30 → 2017-06-27 · 4 obs

● 2015-05-30 06:46:00
● 2017-06-27 15:10:00
○ 2026-02-16 23:49:50
○ 2026-08-01 23:32:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
a1computer.com	isla.ns.cloudflare.com, yichun.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.248

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for a1computer.com (unsigned zone)

⏱️ Timing

Total: 84ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`12.200.199.66`
NS	2	`isla.ns.cloudflare.com, yichun.ns.cloudflare.com`
MX	2	`mx-01-us-west-2.prod.hydra.sophos.com (p, mx-02-us-west-2.prod.hydra.sophos.com (p`
TXT	2	`sophos-domain-verification=40464a625439, v=spf1 include:_spf_uswest2.prod.hydra.s`
SOA	1	`isla.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

mailserver.a1computer.com, ms2.a1computer.com, ns1.a1computer.com, ns2.a1computer.com and ms1.a1computer.com are all subdomains of a1computer.com.

IP Addresses

a1computer.com has exactly one IP address — 12.200.199.66.

ns1.a1computer.com and ms1.a1computer.com are among other host names that share IP numbers with a1computer.com.

Name Servers

a1computer.com uses two name servers for its delegation: isla.ns.cloudflare.com and yichun.ns.cloudflare.com.

The name server configuration of a1computer.com is shared with other domains, for instance uzak.co, damai.nl, mc-helper.com and two others.

The name servers of a1computer.com overlap at least partially with those of other domains — among them caspharmacy.com, gunceladresler7.cam, hulettssugar.co.za and two more.

Hosts with 6 IP addresses each:

Hostname isla.ns.cloudflare.com directs to 108.162.192.119, 172.64.32.119 and 173.245.58.119 along with 3 other IP addresses.

Hostname yichun.ns.cloudflare.com directs to 108.162.193.248, 172.64.33.248 and 173.245.59.248 along with 3 other IP addresses.

Mail Servers

a1computer.com uses two mail servers, mx-01-us-west-2.prod.hydra.sophos.com and mx-02-us-west-2.prod.hydra.sophos.com.

The mail server setup of a1computer.com matches that of other domains such as progen.co.nz, avantgardendecor.com, stpstamp.com and two others.

At least some of the mail servers used by a1computer.com are shared with other domains: certano.com.br, trivalent.net, duniavirtual.com and two others among them.

Each of mx-01-us-west-2.prod.hydra.sophos.com and mx-02-us-west-2.prod.hydra.sophos.com has three IP addresses: 18.246.194.22, 34.211.220.3 and 52.41.111.253.

Both mx-01-us-west-2.prod.hydra.sophos.com and mx-02-us-west-2.prod.hydra.sophos.com resolve to 18.246.194.22 IP addresses each.

Both mx-01-us-west-2.prod.hydra.sophos.com and mx-02-us-west-2.prod.hydra.sophos.com resolve to 34.211.220.3 IP addresses each.

Both mx-01-us-west-2.prod.hydra.sophos.com and mx-02-us-west-2.prod.hydra.sophos.com resolve to 52.41.111.253 IP addresses each.