hostmaster.usdot.com - dns.ninja
hostmaster.usdot.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 142.4.204.181🇨🇦 OVH142.4.192.0/19 Hosting route | ||||||
| PTR | mxgw.r4l.com | ||||||
| NS | ns1.r4l.com ⭐ ⚠️ Not in parent delegation | ||||||
| A | 2607:5300:60:34bf::1🇨🇦 OVH2607:5300::/32 Hosting route | ||||||
| A | 142.4.204.181🇨🇦 OVH142.4.192.0/19 Hosting route | ||||||
| PTR | mxgw.r4l.com | ||||||
| NS | ns2.r4l.com ⚠️ Not in parent delegation | ||||||
| A | 2600:3c03::f03c:91ff:fe93:e369🇺🇸 AKAMAI-LINODE-AP2600:3c03::/32 Akamai Technologies | ||||||
| PTR | ns2.r4l.com | ||||||
| A | 66.228.40.6🇺🇸 AKAMAI-LINODE-AP66.228.32.0/20 Akamai Technologies | ||||||
| PTR | ns2.r4l.com | ||||||
| MX | mx1.r4l.com ⭐ | ||||||
| A | 192.99.3.191🇨🇦 OVH192.99.0.0/16 Hosting route | ||||||
| PTR | smtp.r4l.com | ||||||
| MX | mx2.r4l.com ⭐ | ||||||
| A | 192.99.3.191🇨🇦 OVH192.99.0.0/16 Hosting route | ||||||
| PTR | smtp.r4l.com | ||||||
| MX | mx3.r4l.com ⭐ | ||||||
| A | 192.99.3.191🇨🇦 OVH192.99.0.0/16 Hosting route | ||||||
| PTR | smtp.r4l.com | ||||||
| TXT | v=spf1 redirect=vhost.r4l.com | ||||||
| SOA | ns1.r4l.comsupport@register4less.com 2019-12-03 #1 | ||||||
usdot.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 142.4.204.181🇨🇦 OVH142.4.192.0/19 Hosting route | ||||||
| NS | ns1.r4l.com ⭐ | ||||||
| NS | ns2.r4l.com | ||||||
| MX | mx1.r4l.com ⭐ | ||||||
| MX | mx2.r4l.com ⭐ | ||||||
| MX | mx3.r4l.com ⭐ | ||||||
| TXT | v=spf1 redirect=vhost.r4l.com | ||||||
| SOA | ns1.r4l.comsupport@register4less.com 2019-12-03 #1 | ||||||
Same first word
Similar names
DNS History
8 records (6 active, 2 former)
○MXmx.usdot.com2015-07-04 → 2016-09-11 · 4 obs
● 2016-09-11 08:52:36
○ 2026-03-25 07:31:02
○ 2026-06-14 23:25:26
●MXmx1.r4l.com2026-03-25 → 2026-06-14 · 3 obs
● 2026-03-25 07:31:02
● 2026-06-14 23:25:26
●MXmx2.r4l.com2026-03-25 → 2026-06-14 · 3 obs
● 2026-03-25 07:31:02
● 2026-06-14 23:25:26
●MXmx3.r4l.com2026-03-25 → 2026-06-14 · 3 obs
● 2026-03-25 07:31:02
● 2026-06-14 23:25:26
●A142.4.204.1812026-03-25 → 2026-06-14 · 3 obs
● 2026-03-25 07:31:02
● 2026-06-14 23:25:26
○A66.96.163.1622015-07-04 → 2016-09-11 · 4 obs
● 2016-09-11 08:52:36
○ 2026-03-25 07:31:02
○ 2026-06-14 23:25:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| usdot.com | ns1.r4l.com, ns2.r4l.com | 4 records |
✅ Authoritative Response
Server:142.4.204.181
NS records: ns1.r4l.com, ns2.r4l.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for usdot.com (unsigned zone)
⏱️ Timing
Total: 1600ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 142.4.204.181 |
| NS | 2 | ns2.r4l.com, ns1.r4l.com |
| MX | 3 | mx3.r4l.com (pri: 10), mx1.r4l.com (pri: 10)... |
| TXT | 1 | v=spf1 redirect=vhost.r4l.com |
| SOA | 1 | ns1.r4l.com support.register4less.com |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns1.r4l.com, ns1.r4l.com, ns2.r4l.com...)
Analysis
IP Addresses
hostmaster.usdot.com directs to one IP number, which is 142.4.204.181.
Among the host names that share IP numbers with hostmaster.usdot.com are cgips.com, bugskins.com, ftp.ghostonthecoast.com and two others.
Name Servers
hostmaster.usdot.com is delegated to two name servers: ns1.r4l.com and ns2.r4l.com.
hostmaster.usdot.com has the same name server delegation as a number of other domains, such as 1daymovie.com, duffdale.com, godaigo.net and two more.
ns1.r4l.com and ns2.r4l.com each resolve to two IP addresses: ns1.r4l.com points to 142.4.204.181 and 2607:5300:60:34bf::1, while ns2.r4l.com points to 66.228.40.6 and 2600:3c03::f03c:91ff:fe93:e369.
Mail Servers
Mail for hostmaster.usdot.com is routed through three mail servers — mx1.r4l.com, mx2.r4l.com and mx3.r4l.com.
hostmaster.usdot.com shares at least some of its mail servers with other domains — for example markploegstra.com, ecobility.biz, foreveryoungsc.net and two more.
mx1.r4l.com, mx2.r4l.com and mx3.r4l.com each resolve to a single IP address: 192.99.3.191.
mx1.r4l.com, mx2.r4l.com and mx3.r4l.com all direct to 192.99.3.191.