tier1sof.com - robtex.com
tier1sof.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 192.190.86.139🇺🇸 PRIVATESYSTEMS192.190.84.0/22 PrivateSystems Networks WA | ||||||
| PTR | host.vizion.ca | ||||||
| NS | ns1.vizion.ca ⭐ ⚠️ Not in parent delegation | ||||||
| A | 192.190.86.139🇺🇸 PRIVATESYSTEMS192.190.84.0/22 PrivateSystems Networks WA | ||||||
| PTR | host.vizion.ca | ||||||
| NS | ns1.tier1sof.com ⚠️ Not in zone NS records | ||||||
| A | 192.190.86.139🇺🇸 PRIVATESYSTEMS192.190.84.0/22 PrivateSystems Networks WA | ||||||
| PTR | host.vizion.ca | ||||||
| NS | ns2.tier1sof.com ⚠️ Not in zone NS records | ||||||
| A | 192.190.87.139🇺🇸 PRIVATESYSTEMS192.190.84.0/22 PrivateSystems Networks WA | ||||||
| PTR | email.vizion.ca | ||||||
| NS | ns2.vizion.ca ⚠️ Not in parent delegation | ||||||
| A | 192.190.87.139🇺🇸 PRIVATESYSTEMS192.190.84.0/22 PrivateSystems Networks WA | ||||||
| PTR | email.vizion.ca | ||||||
| MX | tier1sof.com ⭐ | ||||||
| A | 192.190.86.139🇺🇸 PRIVATESYSTEMS192.190.84.0/22 PrivateSystems Networks WA | ||||||
| PTR | host.vizion.ca | ||||||
| TXT | v=spf1 ip4:192.190.86.139 +a +mx ~all | ||||||
| SOA | ns1.vizion.cainfo@vizion.ca 2019-09-20 #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=1771291435 | ||||||
MX for
tier1sof.com |
Subdomains
Same first word
tier1sof.com |
DNS History
9 records (6 active, 3 former)
○NSns1.jcshosting.ca2008-03-17 → 2008-03-17 · 3 obs
○ 2015-06-17 03:27:08
○ 2026-03-23 03:12:32
●NSns1.tier1sof.com2026-03-17 → 2026-03-23 · 3 obs
● 2026-03-17 16:58:46
● 2026-03-23 03:12:32
●NSns1.vizion.ca2015-06-17 → 2026-03-23 · 3 obs
● 2015-06-17 03:27:08
● 2026-03-23 03:12:32
○NSns2.jcshosting.ca2008-03-17 → 2008-03-17 · 3 obs
○ 2015-06-17 03:27:08
○ 2026-03-23 03:12:32
●NSns2.tier1sof.com2026-03-17 → 2026-03-23 · 3 obs
● 2026-03-17 16:58:46
● 2026-03-23 03:12:32
●NSns2.vizion.ca2015-06-17 → 2026-03-23 · 3 obs
● 2015-06-17 03:27:08
● 2026-03-23 03:12:32
●MXtier1sof.com2008-03-17 → 2026-03-23 · 2 obs
● 2026-03-23 03:12:32
●A192.190.86.1392015-06-17 → 2026-03-23 · 3 obs
● 2015-06-17 03:27:08
● 2026-03-23 03:12:32
○A69.16.253.272008-03-17 → 2008-03-17 · 3 obs
○ 2015-06-17 03:27:08
○ 2026-03-23 03:12:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | e.gtld-servers.net, a.gtld-servers.net, m.gtld-servers.net, k.gtld-servers.net... | - |
| tier1sof.com | ns1.tier1sof.com, ns2.tier1sof.com | 2 records |
✅ Authoritative Response
Server:192.190.87.139
NS records: ns1.tier1sof.com, ns2.tier1sof.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for tier1sof.com (unsigned zone)
⏱️ Timing
Total: 394ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 192.190.86.139 |
| NS | 2 | ns1.vizion.ca, ns2.vizion.ca |
| MX | 1 | tier1sof.com (pri: 0) |
| TXT | 1 | v=spf1 ip4:192.190.86.139 +a +mx ~all |
| SOA | 1 | ns1.vizion.ca info.vizion.ca |
📌 Glue Records Collected
Total: 2
In-bailiwick: 2 (ns1.tier1sof.com, ns2.tier1sof.com)
Analysis
Hierarchy
tier1sof.com is a parent of ns1.tier1sof.com and ns2.tier1sof.com.
Mail Server Role
tier1sof.com serves as the mail server for tier1sof.com.
IP Addresses
tier1sof.com points to IP number: 192.190.86.139.
Other host names such as ns1.andresavard.com, megcass.com, djscreen.com, monvin.ca and ns1.vizion.ca share IPs with tier1sof.com.
Name Servers
tier1sof.com is delegated to four name servers: ns1.vizion.ca, ns2.vizion.ca, ns1.tier1sof.com and ns2.tier1sof.com.
tier1sof.com at least partially shares name servers with other domains, for instance ns2.vizion.ca, ilpranzetto.com, ferraridreamdrive.com, djscreen.com and monvin.ca.
These name servers are commonly used with ns1.ferraridreamdrive.com, ns2.ferraridreamdrive.com, ns1.djscreen.com, ns2.djscreen.com, ns1.monvin.ca, ns2.monvin.ca, ns1.luigiferrariquebec.com, ns2.luigiferrariquebec.com and ns2.andresavard.com.
Host names with a single IP address:
ns1.vizion.ca maps to 192.190.86.139
ns2.vizion.ca maps to 192.190.87.139
ns1.tier1sof.com maps to 192.190.86.139
ns2.tier1sof.com maps to 192.190.87.139
Host names mapping to 192.190.86.139: ns1.vizion.ca and ns1.tier1sof.com
Host names mapping to 192.190.87.139: ns2.vizion.ca and ns2.tier1sof.com
Mail Servers
tier1sof.com is handled by a single mail server, tier1sof.com.
tier1sof.com points to a single IP: 192.190.86.139.