sirsoftware.com - robtex.com
sirsoftware.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 173.209.33.219🇨🇦 GTCOMM-36666173.209.32.0/19 Globotech Communications | ||||||
| PTR | srv20web.swhc.ca | ||||||
| NS | ns1.whc.ca ⭐ | ||||||
| A | 173.209.49.178🇨🇦 GTCOMM-36666173.209.32.0/19 Globotech Communications | ||||||
| PTR | ns1.web-dns1.com | ||||||
| NS | ns2.whc.ca | ||||||
| A | 67.43.237.129🇨🇦 GTCOMM-3666667.43.237.0/24 GloboTech | ||||||
| NS | ns3.whc.ca | ||||||
| A | 192.99.36.227🇨🇦 OVH192.99.0.0/16 Hosting route | ||||||
| PTR | ns3.whc.ca | ||||||
| MX | sirsoftware.com ⭐ | ||||||
| A | 173.209.33.219🇨🇦 GTCOMM-36666173.209.32.0/19 Globotech Communications | ||||||
| PTR | srv20web.swhc.ca | ||||||
| TXT | v=spf1 ip4:173.209.33.218 include:spf.web-dns1.com +a +mx ~all | ||||||
| SOA | ns1.whc.casysadmin@whc.ca 2026-07-13 #0 | ||||||
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=1785889034 | ||||||
MX for
sirsoftware.com |
Same first word
sirsoftware.com |
Similar names
DNS History
10 records (5 active, 5 former)
●NSns1.whc.ca2020-04-07 → 2026-08-05 · 3 obs
● 2020-04-07 20:53:48
● 2026-08-05 00:37:48
●NSns2.whc.ca2020-04-07 → 2026-08-05 · 3 obs
● 2020-04-07 20:53:48
● 2026-08-05 00:37:48
●NSns3.whc.ca2020-04-07 → 2026-08-05 · 3 obs
● 2020-04-07 20:53:48
● 2026-08-05 00:37:48
○NSns33.domaincontrol.com2015-06-04 → 2017-02-15 · 4 obs
● 2017-02-15 18:41:46
○ 2020-04-07 20:53:48
○ 2026-08-05 00:37:48
○NSns34.domaincontrol.com2015-06-04 → 2017-02-15 · 4 obs
● 2017-02-15 18:41:46
○ 2020-04-07 20:53:48
○ 2026-08-05 00:37:48
○MXmail.sirsoftware.com2015-06-04 → 2017-02-15 · 4 obs
● 2017-02-15 18:41:46
○ 2020-04-07 20:53:48
○ 2026-08-05 00:37:48
●MXsirsoftware.com2020-04-07 → 2026-08-05 · 3 obs
● 2020-04-07 20:53:48
● 2026-08-05 00:37:48
●A173.209.33.2192020-04-07 → 2026-08-05 · 3 obs
● 2020-04-07 20:53:48
● 2026-08-05 00:37:48
○A206.162.131.1382016-06-21 → 2017-02-15 · 5 obs
● 2016-06-21 03:47:40
● 2017-02-15 18:41:46
○ 2020-04-07 20:53:48
○ 2026-08-05 00:37:48
○A206.162.131.1392015-06-04 → 2016-02-28 · 4 obs
● 2016-02-28 05:58:20
○ 2016-06-21 03:47:40
○ 2026-08-05 00:37:48
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | f.gtld-servers.net, h.gtld-servers.net, b.gtld-servers.net, d.gtld-servers.net... | - |
| sirsoftware.com | ns1.whc.ca, ns2.whc.ca, ns3.whc.ca | - |
✅ Authoritative Response
Server:192.99.36.227
NS records: ns1.whc.ca, ns2.whc.ca, ns3.whc.ca
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sirsoftware.com (unsigned zone)
⏱️ Timing
Total: 537ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 173.209.33.219 |
| NS | 3 | ns3.whc.ca, ns1.whc.ca... |
| MX | 1 | sirsoftware.com (pri: 0) |
| TXT | 1 | v=spf1 ip4:173.209.33.218 include:spf.we |
| SOA | 1 | ns1.whc.ca sysadmin.whc.ca |
Analysis
Mail Server Role
sirsoftware.com serves as a mail server for sirsoftware.com.
IP Addresses
sirsoftware.com has exactly one IP address — 173.209.33.219.
builder.buildluxury.ca, www.studyingcanada.net, tricotsdrummond.com plus two other host names have IP numbers in common with sirsoftware.com.
Name Servers
Three name servers are authoritative for sirsoftware.com: ns1.whc.ca, ns2.whc.ca and ns3.whc.ca.
At least some of sirsoftware.com's name servers are shared with other domains, for example archbishop-of-ottawa.org, bidtrendz.com, andrew-james.ca and two more.
These name servers tend to appear together with the name servers cloud1.whc.ca, cloud2.whc.ca and ns1.web-dns1.com, plus two others.
Three hostnames, one IP address apiece: ns1.whc.ca resolves to 173.209.49.178, ns2.whc.ca resolves to 67.43.237.129 and ns3.whc.ca resolves to 192.99.36.227.
Mail Servers
sirsoftware.com uses exactly one mail server, which is sirsoftware.com.
There is one IP number for sirsoftware.com: 173.209.33.219.