mail.diagnoser.com - robtex.com
mail.diagnoser.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 | ||||||
diagnoser.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 | ||||||
Previously MX for
Same first word
Similar names
DNS History
7 records (6 active, 1 former)
●A142.4.204.1812026-04-29 → 2026-04-29 · 3 obs
● 2026-04-29 17:48:16
● 2026-04-29 22:58:10
○A70.87.37.582007-11-27 → 2007-11-27 · 3 obs
○ 2015-10-25 20:22:28
○ 2026-04-29 22:58:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | k.gtld-servers.net, b.gtld-servers.net, g.gtld-servers.net, d.gtld-servers.net... | - |
| diagnoser.com | ns1.r4l.com, ns2.r4l.com | 4 records |
✅ Authoritative Response
Server:66.228.40.6
NS records: ns1.r4l.com, ns2.r4l.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for diagnoser.com (unsigned zone)
⏱️ Timing
Total: 129ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 142.4.204.181 |
| NS | 2 | ns1.r4l.com, ns2.r4l.com |
| MX | 3 | mx1.r4l.com (pri: 10), mx2.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
mail.diagnoser.com points to a single IP: 142.4.204.181.
Other host names, for instance placa.solar, avidgator.com, nanolastic.com, usedpontoonboats.com and gersch.net share IP numbers with mail.diagnoser.com.
Name Servers
mail.diagnoser.com's delegation is to two name servers ns1.r4l.com and ns2.r4l.com.
mail.diagnoser.com shares the same name server configuration as other domains, such as teeple.biz, tomhogue.com, rustedneuron.com, wirelessware.net and whats-right.com.
mail.diagnoser.com shares name servers with other domains at least partially, for example 157.207.198.in-addr.arpa.
Host names with two IP numbers: ns1.r4l.com points to 2607:5300:60:34bf::1 and 142.4.204.181; ns2.r4l.com points to 2600:3c03::f03c:91ff:fe93:e369 and 66.228.40.6
Mail Servers
mail.diagnoser.com is handled by three mail servers: mx1.r4l.com, mx2.r4l.com and mx3.r4l.com.
mail.diagnoser.com shares some mail servers with other domains, including 23rdsc.com, webofthewise.com, phishing.randy-maugans-offplanet(0x706f726e).randi.com.joedex.com.9-95.com, cashisking.ca and jugglinghalloffame.org.
Host names with one IP
mx1.r4l.com points to: 192.99.3.191.
mx2.r4l.com points to: 192.99.3.191.
mx3.r4l.com points to: 192.99.3.191.
Host names pointing to 192.99.3.191: mx1.r4l.com, mx2.r4l.com and mx3.r4l.com.