mail.rby2.com - robtex.com
mail.rby2.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 100.42.195.20🇺🇸 RoadRunner100.42.192.0/20 RR-RC-Grupo-SMS USA, LLC-Los Angeles | ||||||
| PTR | mail.robly.com | ||||||
| A | 100.42.195.21🇺🇸 RoadRunner100.42.192.0/20 RR-RC-Grupo-SMS USA, LLC-Los Angeles | ||||||
| MX | mail.rby2.com ⭐ | ||||||
| A | 100.42.195.20🇺🇸 RoadRunner100.42.192.0/20 RR-RC-Grupo-SMS USA, LLC-Los Angeles | ||||||
| PTR | mail.robly.com | ||||||
| A | 100.42.195.21🇺🇸 RoadRunner100.42.192.0/20 RR-RC-Grupo-SMS USA, LLC-Los Angeles | ||||||
| PTR | mail.robly.com | ||||||
| TXT | google-site-verification=SrnsVD83b18O7LKxKX7LnbKPTRRm02rvoMcGQnzZhts | ||||||
| TXT | v=spf1 include:_spf3.robly.com ~all | ||||||
rby2.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 3.5.78.25🇺🇸 Amazon3.5.78.0/24 EC2 Prefix | ||||||
| A | 3.5.78.249🇺🇸 Amazon3.5.78.0/24 EC2 Prefix | ||||||
| A | 16.15.44.113🇺🇸 Amazon16.15.44.0/22 EC2 Prefix | ||||||
| A | 52.92.185.163🇺🇸 Amazon52.92.184.0/21 | ||||||
| A | 52.92.207.195🇺🇸 Amazon52.92.200.0/21 | ||||||
| A | 52.92.241.155🇺🇸 Amazon52.92.240.0/21 | ||||||
| A | 52.92.249.155🇺🇸 Amazon52.92.248.0/21 | ||||||
| A | 52.218.236.170🇺🇸 Amazon52.218.236.0/24 AWS S3 | ||||||
| NS | ns-501.awsdns-62.com ⭐ | ||||||
| NS | ns-1527.awsdns-62.org | ||||||
| NS | ns-1620.awsdns-10.co.uk | ||||||
| NS | ns-655.awsdns-17.net | ||||||
| MX | mail.rby2.com ⭐ | ||||||
| TXT | google-site-verification=j1J_3xjC8yHlrSF896ftBS8kwRX-arm-O3NpwGoaQzs | ||||||
| TXT | google-site-verification=qV8wvNSQit8wxAcbWBQAq7ZxM5gk2jxClTkYDSZvw3Y | ||||||
| TXT | v=spf1 include:_spf3.robly.com ~all | ||||||
| TXT | validity-domain-monitoring=890d9bkf1idoafhtNG7r7APbh | ||||||
| TXT | yahoo-verification-key=swX1EzBXeB8iIjWmqsYlzx+sMsZ+mL4shhrQbmg5z6g= | ||||||
| SOA | ns-501.awsdns-62.comawsdns-hostmaster@amazon.com serial=1 | ||||||
MX for
Same first word
Similar names
DNS History
3 records (3 active, 0 former)
●MXmail.rby2.com2026-02-16 → 2026-07-29 · 2 obs
● 2026-07-29 08:24:38
●A100.42.195.202026-02-16 → 2026-07-29 · 2 obs
● 2026-07-29 08:24:38
●A100.42.195.212026-02-16 → 2026-07-29 · 2 obs
● 2026-07-29 08:24:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | d.gtld-servers.net, m.gtld-servers.net, a.gtld-servers.net, e.gtld-servers.net... | - |
| rby2.com | ns-655.awsdns-17.net, ns-501.awsdns-62.com, ns-1620.awsdns-10.co.uk, ns-1527.awsdns-62.org | 2 records |
✅ Authoritative Response
Server:205.251.193.245
NS records: ns-655.awsdns-17.net, ns-501.awsdns-62.com, ns-1620.awsdns-10.co.uk, ns-1527.awsdns-62.org
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for rby2.com (unsigned zone)
⏱️ Timing
Total: 470ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 100.42.195.20, 100.42.195.21 |
| MX | 1 | mail.rby2.com (pri: 10) |
| TXT | 2 | google-site-verification=SrnsVD83b18O7LK, v=spf1 include:_spf3.robly.com ~all |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns-501.awsdns-62.com, ns-501.awsdns-62.com)
Analysis
Mail Server Role
mail.rby2.com handles incoming mail for rby2.com as well as for mail.rby2.com.
IP Addresses
mail.rby2.com has two IP addresses: 100.42.195.20 and 100.42.195.21
mail.robly.com, for instance, is one of the other host names sharing IP numbers with mail.rby2.com.
Mail Servers
mail.rby2.com is served by just one mail server: mail.rby2.com.
Mail server setup for mail.rby2.com matches that of other domains, among them rby2.com.
mail.rby2.com directs to two IP numbers, 100.42.195.20 and 100.42.195.21.