bb.custsys.fedex.com - robtex.com
bb.custsys.fedex.com
custsys.fedex.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | a9.dns.fedex.com ⭐ ⚠️ Not in parent delegation | ||||||
| NS | a10.dns.fedex.com ⚠️ Not in parent delegation | ||||||
| NS | a5.dns.fedex.com ⚠️ Not in parent delegation | ||||||
| NS | a6.dns.fedex.com ⚠️ Not in parent delegation | ||||||
| NS | a7.dns.fedex.com ⚠️ Not in parent delegation | ||||||
| NS | a8.dns.fedex.com ⚠️ Not in parent delegation | ||||||
| SOA | a9.dns.fedex.comidev-dns@list.fedex.com 2023-09-17 #2 | ||||||
WOT: SAFE (95/100)
MX for
Same first word
Similar names
DNS History
4 records (4 active, 0 former)
●MXbb.custsys.fedex.com2013-05-11 → 2026-04-15 · 2 obs
● 2026-04-15 23:33:48
●MXsmtp.dmz.fedex.com2013-05-11 → 2026-04-15 · 2 obs
● 2026-04-15 23:33:48
●MXsmtp.zmd.fedex.com2013-05-11 → 2026-04-15 · 2 obs
● 2026-04-15 23:33:48
●A146.18.161.622013-05-11 → 2026-04-15 · 2 obs
● 2026-04-15 23:33:48
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| fedex.com | ns1-193.akam.net, ns1-244.akam.net, pdns1.cscdns.net, pdns2.cscdns.net... | 12 records |
✅ Authoritative Response
Server:170.170.195.133
NS records: ns1-193.akam.net, ns1-244.akam.net, pdns1.cscdns.net, pdns2.cscdns.net, a10.dns.fedex.com, a5.dns.fedex.com, a6.dns.fedex.com, a7.dns.fedex.com, a8.dns.fedex.com, a9.dns.fedex.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for fedex.com (unsigned zone)
⏱️ Timing
Total: 202ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 146.18.161.62 |
| MX | 3 | bb.custsys.fedex.com (pri: 100), smtp.zmd.fedex.com (pri: 200)... |
📌 Glue Records Collected
Total: 12
In-bailiwick: 12 (a10.dns.fedex.com, a10.dns.fedex.com, a5.dns.fedex.com...)
Analysis
Mail Server Role
For bb.custsys.fedex.com, the mail server is bb.custsys.fedex.com.
Mail servers smtp.dmz.fedex.com and smtp.zmd.fedex.com are commonly used with bb.custsys.fedex.com.
IP Addresses
bb.custsys.fedex.com points to a single IP number: 146.18.161.62.
Mail Servers
bb.custsys.fedex.com is handled by three mail servers: bb.custsys.fedex.com, smtp.dmz.fedex.com and smtp.zmd.fedex.com.
bb.custsys.fedex.com shares mail servers with other domains at least partially, including tim14.zmd.fedex.com, wrcs.fedex.com, taco.fedex.com, qwb69282.sac.fedex.com and gsptech.fedex.com.
Mail servers are often used together with mapper.gslb.fedex.com, svr9.sac.fedex.com, moo.zmd.fedex.com, secid3.fipl.fedex.com, itdmail.canada.fedex.com, judge.infosec.fedex.com and toolbox.wrcs.fedex.com.
Hosts with 24 IP numbers:
smtp.dmz.fedex.com has 24 IP numbers: 170.170.204.20, 170.170.204.21, 170.170.204.22, 170.170.204.23, 170.170.205.20, 170.170.205.21, 170.170.205.22, 170.170.205.23, 170.170.206.20, 170.170.206.21, 170.170.206.22, 170.170.206.23, 199.81.208.36, 199.81.208.37, 199.81.208.38, 199.81.208.39, 199.81.209.36, 199.81.209.37, 199.81.209.38, 199.81.209.39, 199.81.210.36, 199.81.210.37, 199.81.210.38 and 199.81.210.39.
Host with a single IP number:
bb.custsys.fedex.com has 1 IP number: 146.18.161.62.