rkcomputersystems.com - dns.ninja

`rkcomputersystems.com`

DNSSEC	⚠️ Not signed
A	185.27.134.33^{🇬🇧 WILDCARD-AS185.27.132.0/22 UK-IFASTNET-20130530 route object}
NS	`ns1.web-dns1.com` ⭐ ⚠️ Not in parent delegation
		A	173.209.49.178^{🇨🇦 GTCOMM-36666173.209.32.0/19 Globotech Communications}
			PTR	`ns1.web-dns1.com`
NS	`ns1.whc.ca` ⚠️ Not in zone NS records
		A	173.209.49.178^{🇨🇦 GTCOMM-36666173.209.32.0/19 Globotech Communications}
			PTR	`ns1.web-dns1.com`
NS	`ns2.web-dns1.com` ⚠️ Not in parent delegation
		A	68.168.122.106^{🇨🇦 GTCOMM-3666668.168.112.0/20 GloboTech Network}
			PTR	`ns2.web-dns1.com`
NS	`ns2.whc.ca` ⚠️ Not in zone NS records
		A	67.43.237.129^{🇨🇦 GTCOMM-3666667.43.237.0/24 GloboTech}
MX	`smtp.google.com` ⭐
		A	2607:f8b0:4004:c06::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bg-in-f26.1e100.net`
		A	2607:f8b0:4004:c09::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bh-in-f27.1e100.net`
		A	2607:f8b0:4004:c23::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`yuiadrs-in-f27.1e100.net`
		A	2607:f8b0:4004:c27::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`yuiadsk-in-f27.1e100.net`
		A	172.253.115.26^{🇺🇸 Google172.253.115.0/24}
			PTR	`bg-in-f26.1e100.net`
		A	172.253.115.27^{🇺🇸 Google172.253.115.0/24}
			PTR	`bg-in-f27.1e100.net`
		A	172.253.122.26^{🇺🇸 Google172.253.122.0/24}
			PTR	`bh-in-f26.1e100.net`
		A	172.253.139.26^{🇺🇸 Google172.253.139.0/24}
			PTR	`yuiadsk-in-f26.1e100.net`
		A	192.178.155.27^{🇺🇸 Google192.178.155.0/24}
			PTR	`yuiadrs-in-f27.1e100.net`
TXT	`v=spf1 include:_spf.google.com ~all`
SOA	`ns1.web-dns1.com`sysadmin-internal@whc.ca 2026-08-09 #3

`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=1786360824

Subdomains

ns1.rkcomputersystems.com

www.rkcomputersystems.com

Same first word

rkcomputersystems.com

DNS History

14 records (6 active, 8 former)

○NSns1.rkcomputersystems.com2015-07-07 → 2016-07-20 · 4 obs

● 2015-07-07 19:44:04
● 2016-07-20 01:02:40
○ 2026-03-26 10:41:26
○ 2026-08-10 11:46:20

●NSns1.web-dns1.com2026-03-26 → 2026-08-10 · 3 obs

○ 2016-07-20 01:02:40
● 2026-03-26 10:41:26
● 2026-08-10 11:46:20

●NSns1.whc.ca2026-03-26 → 2026-08-10 · 3 obs

○ 2016-07-20 01:02:40
● 2026-03-26 10:41:26
● 2026-08-10 11:46:20

○NSns2.rkcomputersystems.com2015-07-07 → 2016-07-20 · 4 obs

● 2015-07-07 19:44:04
● 2016-07-20 01:02:40
○ 2026-03-26 10:41:26
○ 2026-08-10 11:46:20

●NSns2.web-dns1.com2026-03-26 → 2026-08-10 · 3 obs

○ 2016-07-20 01:02:40
● 2026-03-26 10:41:26
● 2026-08-10 11:46:20

●NSns2.whc.ca2026-03-26 → 2026-08-10 · 3 obs

○ 2016-07-20 01:02:40
● 2026-03-26 10:41:26
● 2026-08-10 11:46:20

○MXalt1.aspmx.l.google.com2015-07-07 → 2016-07-20 · 4 obs

● 2015-07-07 19:44:04
● 2016-07-20 01:02:40
○ 2026-08-10 11:46:18
○ 2026-08-10 11:46:20

○MXalt2.aspmx.l.google.com2015-07-07 → 2016-07-20 · 4 obs

● 2015-07-07 19:44:04
● 2016-07-20 01:02:40
○ 2026-08-10 11:46:18
○ 2026-08-10 11:46:20

○MXaspmx.l.google.com2015-07-07 → 2016-07-20 · 4 obs

● 2015-07-07 19:44:04
● 2016-07-20 01:02:40
○ 2026-08-10 11:46:18
○ 2026-08-10 11:46:20

○MXaspmx2.googlemail.com2015-07-07 → 2016-07-20 · 4 obs

● 2015-07-07 19:44:04
● 2016-07-20 01:02:40
○ 2026-08-10 11:46:18
○ 2026-08-10 11:46:20

●MXsmtp.google.com2026-08-10 → 2026-08-10 · 3 obs

○ 2016-07-20 01:02:40
● 2026-08-10 11:46:18
● 2026-08-10 11:46:20

○A149.56.159.72026-03-26 → 2026-03-26 · 4 obs

○ 2016-07-20 01:02:40
● 2026-03-26 10:41:26
○ 2026-08-10 11:46:18
○ 2026-08-10 11:46:20

●A185.27.134.332026-08-10 → 2026-08-10 · 3 obs

○ 2026-03-26 10:41:26
● 2026-08-10 11:46:18
● 2026-08-10 11:46:20

○A192.185.195.1432015-07-07 → 2016-07-20 · 4 obs

● 2015-07-07 19:44:04
● 2016-07-20 01:02:40
○ 2026-03-26 10:41:26
○ 2026-08-10 11:46:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, a.gtld-servers.net, f.gtld-servers.net, d.gtld-servers.net...	-
rkcomputersystems.com	ns1.whc.ca, ns2.whc.ca	-

✅ Authoritative Response

Server:173.209.49.178

NS records: ns1.whc.ca, ns2.whc.ca

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rkcomputersystems.com (unsigned zone)

⏱️ Timing

Total: 364ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`185.27.134.33`
NS	2	`ns2.web-dns1.com, ns1.web-dns1.com`
MX	1	`smtp.google.com (pri: 1)`
TXT	1	`v=spf1 include:_spf.google.com ~all`
SOA	1	`ns1.web-dns1.com sysadmin-internal.whc.c`

Analysis

Hierarchy

rkcomputersystems.com serves as the parent of ns1.rkcomputersystems.com and www.rkcomputersystems.com.

IP Addresses

rkcomputersystems.com has exactly one IP address — 185.27.134.33.

1chance2live.com, madhatt3r-musi.ct.ws, trybeforebuy.eu plus two other host names have IP numbers in common with rkcomputersystems.com.

Name Servers

Four name servers handle the delegation for rkcomputersystems.com: ns1.whc.ca, ns2.whc.ca, ns1.web-dns1.com and ns2.web-dns1.com.

The name servers of rkcomputersystems.com overlap at least partially with those of other domains — among them jawsperformance.com, synaps.ca, bcpconstruction.ca and two more.

These name servers commonly co-occur with the name servers ns3.whc.ca, ns3.web-dns1.com, cloud1.whc.ca and cloud2.whc.ca.

The hosts ns1.whc.ca, ns2.whc.ca, ns1.web-dns1.com and ns2.web-dns1.com each point to exactly one IP. ns1.whc.ca and ns1.web-dns1.com both point to 173.209.49.178; ns2.whc.ca points to 67.43.237.129; ns2.web-dns1.com points to 68.168.122.106.

ns1.whc.ca along with ns1.web-dns1.com each resolve to 173.209.49.178 IP addresses.

Mail Servers

rkcomputersystems.com uses one mail server — smtp.google.com.

The mail server setup of rkcomputersystems.com matches that of other domains such as sola-cure.com, michalgawel.com, tmsystems.co.nz and two others.

At least some of the mail servers used by rkcomputersystems.com are shared with other domains: ariote.com, prefabe.pt, luxnicely.com and two others among them.

It is common to find these mail servers paired with the mail servers aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com, as well as two others.

smtp.google.com has 9 IP addresses: 172.253.115.26, 172.253.115.27, 172.253.122.26 plus 6 more.