mx.bocusa.com - dns.ninja

mx.bocusa.com

DNSSEC⚠️ Not signed
MXmxg3.bocusa.com
A208.5.220.33🇺🇸 AS25762208.5.220.0/24 SPRINTLINK - Bank of China
PTRmxg3.bocusa.com
MXmxg4.bocusa.com
A208.5.220.34🇺🇸 AS25762208.5.220.0/24 SPRINTLINK - Bank of China
PTRmxg4.bocusa.com
TXTv=spf1 mx ip4:208.5.220.31 ip4:208.5.220.32 ip4:208.5.220.33 ip4:208.5.220.34...

bocusa.com

DNSSEC⚠️ Not signed
NSauth1.dns.cogentco.com
NSauth2.dns.cogentco.com
MXmxg1.bocusa.com
MXmxg2.bocusa.com
TXTv=spf1 mx ip4:208.5.220.31 ip4:208.5.220.32 ip4:208.5.220.33 ip4:208.5.220.34...
TXTrm7sj16w2w284j00q6wyzqpbwv24f1zk
SOAauth1.dns.cogentco.comdns@cogentco.com 2025-12-20 #0
rank #975980 globally
rank #443434 in the tld

Same first word

Similar names

DNS History

2 records (2 active, 0 former)

201820192020202120222023202420252026MXmxg3.bocusa.commxg4.bocusa.com
MXmxg3.bocusa.com2017-09-25 → 2026-06-30 · 2 obs
● 2017-09-25 21:11:20
● 2026-06-30 22:30:56
MXmxg4.bocusa.com2017-09-25 → 2026-06-30 · 2 obs
● 2017-09-25 21:11:20
● 2026-06-30 22:30:56

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
bocusa.comauth1.dns.cogentco.com, auth2.dns.cogentco.com3 records

✅ Authoritative Response

Server:66.28.0.30

NS records: auth1.dns.cogentco.com, auth2.dns.cogentco.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for bocusa.com (unsigned zone)

⏱️ Timing

Total: 100ms | Queries: -

📄 Records

TypeCountSample Data
MX2mxg4.bocusa.com (pri: 10), mxg3.bocusa.com (pri: 10)
TXT1v=spf1 mx ip4:208.5.220.31 ip4:208.5.220

📌 Glue Records Collected

Total: 3

Out-of-bailiwick: 3 (auth1.dns.cogentco.com, auth1.dns.cogentco.com, auth2.dns.cogentco.com)

Analysis

Mail Servers

Mail for mx.bocusa.com is handled by two mail servers — mxg3.bocusa.com and mxg4.bocusa.com.

mx.bocusa.com has mail servers in common with bankofchina.ca, boc-brazil.com, bankofchina-canada.com and ca.bocusa.com, among others.

mxg3.bocusa.com208.5.220.33 and mxg4.bocusa.com208.5.220.34: one IP number per host name.