rkcomputersystems.com - robtex.com
rkcomputersystems.com
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.netnstld@verisign-grs.com serial=1775953622 | ||||||
Subdomains
Same first word
rkcomputersystems.com |
DNS History
12 records (9 active, 3 former)
○NSns1.rkcomputersystems.com2015-07-07 → 2016-07-20 · 4 obs
● 2016-07-20 01:02:40
○ 2026-03-26 10:41:26
○ 2026-04-12 00:49:32
●NSns1.web-dns1.com2026-03-26 → 2026-04-12 · 3 obs
● 2026-03-26 10:41:26
● 2026-04-12 00:49:32
●NSns1.whc.ca2026-03-26 → 2026-04-12 · 3 obs
● 2026-03-26 10:41:26
● 2026-04-12 00:49:32
○NSns2.rkcomputersystems.com2015-07-07 → 2016-07-20 · 4 obs
● 2016-07-20 01:02:40
○ 2026-03-26 10:41:26
○ 2026-04-12 00:49:32
●NSns2.web-dns1.com2026-03-26 → 2026-04-12 · 3 obs
● 2026-03-26 10:41:26
● 2026-04-12 00:49:32
●NSns2.whc.ca2026-03-26 → 2026-04-12 · 3 obs
● 2026-03-26 10:41:26
● 2026-04-12 00:49:32
●MXalt1.aspmx.l.google.com2015-07-07 → 2026-04-12 · 2 obs
● 2026-04-12 00:49:32
●MXalt2.aspmx.l.google.com2015-07-07 → 2026-04-12 · 2 obs
● 2026-04-12 00:49:32
●MXaspmx.l.google.com2015-07-07 → 2026-04-12 · 2 obs
● 2026-04-12 00:49:32
●MXaspmx2.googlemail.com2015-07-07 → 2026-04-12 · 2 obs
● 2026-04-12 00:49:32
●A149.56.159.72026-03-26 → 2026-04-12 · 3 obs
● 2026-03-26 10:41:26
● 2026-04-12 00:49:32
○A192.185.195.1432015-07-07 → 2016-07-20 · 4 obs
● 2016-07-20 01:02:40
○ 2026-03-26 10:41:26
○ 2026-04-12 00:49:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| rkcomputersystems.com | ns1.whc.ca, ns2.whc.ca | - |
✅ Authoritative Response
Server:67.43.237.129
NS records: ns1.whc.ca, ns2.whc.ca
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for rkcomputersystems.com (unsigned zone)
⏱️ Timing
Total: 706ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 149.56.159.7 |
| NS | 2 | ns1.web-dns1.com, ns2.web-dns1.com |
| MX | 4 | alt2.aspmx.l.google.com (pri: 5), alt1.aspmx.l.google.com (pri: 5)... |
| TXT | 1 | v=spf1 ip4:54.39.100.151 include:spf.web |
| SOA | 1 | ns1.web-dns1.com sysadmin-internal.whc.c |
Analysis
Hierarchy
rkcomputersystems.com is a parent of ns2.rkcomputersystems.com and ns1.rkcomputersystems.com.
IP Addresses
rkcomputersystems.com points to a single IP number: 149.56.159.7.
Other host names, for instance jbarns.com, air-spec.ca, stripegraphics.com, danielfencing.com and airspec.ca share IP numbers with rkcomputersystems.com.
Name Servers
rkcomputersystems.com is delegated to four name servers: ns1.whc.ca, ns2.whc.ca, ns1.web-dns1.com and ns2.web-dns1.com.
rkcomputersystems.com at least partially shares name servers with other domains, for instance jawsperformance.com, synaps.ca, electropresence.com, bcpconstruction.ca and nbcrf.org.
These name servers are commonly used alongside ns3.whc.ca, ns3.web-dns1.com, cloud1.whc.ca and cloud2.whc.ca.
Host names with a single IP number:
ns1.whc.ca points to: 173.209.49.178.
ns2.whc.ca points to: 67.43.237.129.
ns1.web-dns1.com points to: 173.209.49.178.
ns2.web-dns1.com points to: 68.168.122.106.
Host names that point to 173.209.49.178: ns1.whc.ca and ns1.web-dns1.com.
Mail Servers
rkcomputersystems.com is handled by four mail servers: aspmx2.googlemail.com, aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com.
rkcomputersystems.com shares mail servers with other domains at least in part, for instance ns500742.ns500742.ns500754.ns500671.ns500705.ns500705.ns500678.ns500671.ns500688.ns500688.ns500649.ns500649.ns500666.ns500142.lusty(0x736c7574)z.com, ns500758.ns500758.ns500698.ns500759.ns500698.ns500698.ns500736.ns500698.ns500698.ns500686.ns500576.ns500619.ns500576.trackreceptor.com, ns500754.ns500671.ns500671.ns500754.ns500671.ns500742.ns500754.ns500731.ns500688.ns500678.ns500705.ns500678.ns500666.ns500142.lusty(0x736c7574)z.com, ns500698.ns500698.ns500759.ns500759.ns500735.ns500735.ns500736.ns500735.ns500576.ns500576.ns500619.trackreceptor.com and swisimmigration.com.
These mail servers are often used with alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx3.googlemail.com, aspmx4.googlemail.com and aspmx5.googlemail.com.
Host names with two IP numbers:
aspmx2.googlemail.com points to: 2800:3f0:4003:c0f::1a and 108.177.123.26.
aspmx.l.google.com points to: 2607:f8b0:4023:c03::1a and 142.250.101.27.
alt1.aspmx.l.google.com points to: 2800:3f0:4003:c0f::1b and 108.177.123.27.
alt2.aspmx.l.google.com points to: 2a00:1450:400b:c02::1a and 172.253.116.27.