smtp.rb-com.com - robtex.com
smtp.rb-com.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 138.197.213.218🇺🇸 DIGITALOCEAN138.197.208.0/20 DigitalOcean | ||||||
| PTR | habu4.rb-com.com | ||||||
rb-com.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 138.197.72.109🇺🇸 DIGITALOCEAN138.197.64.0/20 DigitalOcean | ||||||
| NS | ns2.rb-com.com ⭐ | ||||||
| NS | ns3.rb-com.com | ||||||
| NS | ns4.rb-com.com | ||||||
| NS | ns5.rb-com.com | ||||||
| MX | rbcom-com0e.mail.protection.outlook.com ⭐ | ||||||
| TXT | MS=ms71868640 | ||||||
| TXT | v=spf1 include:spf.protection.outlook.com ip4:143.198.140.180 ip4:107.170.243... | ||||||
| SOA | ns2.rb-com.comrsa@rb-com.com 2026-07-28 #0 | ||||||
PTR for
Previously MX for
Same first word
Similar names
DNS History
2 records (1 active, 1 former)
●A138.197.213.2182026-02-17 → 2026-08-09 · 3 obs
○ 2017-01-06 22:18:08
● 2026-02-17 15:05:22
● 2026-08-09 10:08:24
● 2026-02-17 15:05:22
● 2026-08-09 10:08:24
○A173.226.114.2372015-04-15 → 2017-01-06 · 4 obs
● 2015-04-15 12:18:10
● 2017-01-06 22:18:08
○ 2026-02-17 15:05:22
○ 2026-08-09 10:08:24
● 2017-01-06 22:18:08
○ 2026-02-17 15:05:22
○ 2026-08-09 10:08:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| rb-com.com | ns2.rb-com.com, ns3.rb-com.com, ns4.rb-com.com, ns5.rb-com.com | 4 records |
✅ Authoritative Response
Server:138.197.198.18
NS records: ns2.rb-com.com, ns3.rb-com.com, ns4.rb-com.com, ns5.rb-com.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for rb-com.com (unsigned zone)
⏱️ Timing
Total: 3206ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 138.197.213.218 |
📌 Glue Records Collected
Total: 4
In-bailiwick: 4 (ns2.rb-com.com, ns3.rb-com.com, ns4.rb-com.com...)
Analysis
IP Addresses
smtp.rb-com.com resolves to one IP address: 138.197.213.218.
ns3.rb-com.com, smtp.gvcourtyardsuites.com, secure.rb-com.com and two other host names share IP numbers with smtp.rb-com.com.