mx.bocusa.com - dns.ninja
mx.bocusa.com
| DNSSEC | ⚠️ Not signed | ||||||
| MX | mxg3.bocusa.com ⭐ | ||||||
| A | 208.5.220.33🇺🇸 AS25762208.5.220.0/24 SPRINTLINK - Bank of China | ||||||
| PTR | mxg3.bocusa.com | ||||||
| MX | mxg4.bocusa.com ⭐ | ||||||
| A | 208.5.220.34🇺🇸 AS25762208.5.220.0/24 SPRINTLINK - Bank of China | ||||||
| PTR | mxg4.bocusa.com | ||||||
| TXT | v=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 | ||||||
| NS | auth1.dns.cogentco.com ⭐ | ||||||
| NS | auth2.dns.cogentco.com | ||||||
| MX | mxg1.bocusa.com ⭐ | ||||||
| MX | mxg2.bocusa.com ⭐ | ||||||
| TXT | v=spf1 mx ip4:208.5.220.31 ip4:208.5.220.32 ip4:208.5.220.33 ip4:208.5.220.34... | ||||||
| TXT | rm7sj16w2w284j00q6wyzqpbwv24f1zk | ||||||
| SOA | auth1.dns.cogentco.comdns@cogentco.com 2025-12-20 #0 | ||||||
rank #443434 in the tld
Same first word
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DNS History
2 records (2 active, 0 former)
●MXmxg3.bocusa.com2017-09-25 → 2026-06-30 · 2 obs
● 2017-09-25 21:11:20
● 2026-06-30 22:30:56
● 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
● 2026-06-30 22:30:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| bocusa.com | auth1.dns.cogentco.com, auth2.dns.cogentco.com | 3 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
| Type | Count | Sample Data |
|---|---|---|
| MX | 2 | mxg4.bocusa.com (pri: 10), mxg3.bocusa.com (pri: 10) |
| TXT | 1 | v=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.com → 208.5.220.33 and mxg4.bocusa.com → 208.5.220.34: one IP number per host name.