span.dfw.opendns.com - robtex.com
span.dfw.opendns.com
| CNAME | span.network.dfw1.edc.strln.net | ||||||
| DNSSEC | ⚠️ Not signed | ||||||
| A | 204.194.238.9🇺🇸 OPENDNS204.194.238.0/24 -204.194.238.0-24 | ||||||
| PTR | span.network.dfw1.edc.strln.net | ||||||
dfw.opendns.com
| DNSSEC | ⚠️ Not signed | ||||||
WOT: SAFE (95/100)
Same first word
Similar names
DNS History
2 records (1 active, 1 former)
○A204.194.238.92016-12-15 → 2016-12-15 · 3 obs
● 2016-12-15 19:34:12
○ 2026-04-08 22:19:56
○ 2026-08-04 18:50:54
○ 2026-04-08 22:19:56
○ 2026-08-04 18:50:54
●CNAMEspan.network.dfw1.edc.strln.net2026-04-08 → 2026-08-04 · 2 obs
● 2026-04-08 22:19:56
● 2026-08-04 18:50:54
● 2026-08-04 18:50:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | k.gtld-servers.net, d.gtld-servers.net, i.gtld-servers.net, g.gtld-servers.net... | - |
| opendns.com | auth1.opendns.com, auth2.opendns.com, auth3.opendns.com | 5 records |
✅ Authoritative Response
Server:208.69.39.2
NS records: auth1.opendns.com, auth2.opendns.com, auth3.opendns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for opendns.com (unsigned zone)
⏱️ Timing
Total: 125ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| CNAME | 1 | span.network.dfw1.edc.strln.net |
📌 Glue Records Collected
Total: 5
In-bailiwick: 5 (auth1.opendns.com, auth1.opendns.com, auth2.opendns.com...)
Analysis
IP Addresses
span.dfw.opendns.com points to a single IP number: 204.194.238.9.
Other host names share IP numbers with span.dfw.opendns.com; span.network.dfw1.edc.strln.net is one such example.