formidable.concentric.com - dns.ninja
formidable.concentric.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 207.155.248.166🇺🇸 AS2828207.155.128.0/17 Proxy registration to prevent harm from ARIN-NONAUTH shutdown | ||||||
| PTR | formidable.concentric.com | ||||||
concentric.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 205.158.160.49🇺🇸 AS2828205.158.0.0/16 Proxy registration to prevent harm from ARIN-NONAUTH shutdown | ||||||
| NS | ns-twbg.verizonwireless.com ⭐ | ||||||
| NS | ns-scrm.verizonwireless.com | ||||||
| NS | ns-tmtr.verizonwireless.com | ||||||
| MX | mx1c28.concentric.com ⭐ | ||||||
| MX | mx2c28.concentric.com(10) | ||||||
| MX | mx3c28.concentric.com(20) | ||||||
| MX | mx4c28.concentric.com(30) | ||||||
| SOA | ns-twbg.verizonwireless.comhostmaster@concentric.com 2012-09-13 #39 | ||||||
WOT: SAFE (61/100)
📈 Tranco rank: #251,104
PTR for
Previously MX for
Same first word
Similar names
DNS History
1 record (1 active, 0 former)
●A207.155.248.1662009-02-01 → 2026-06-29 · 2 obs
● 2009-02-01 02:58:02
● 2026-06-29 20:34:20
● 2026-06-29 20:34:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| concentric.com | ns-scrm.verizonwireless.com, ns-twbg.verizonwireless.com, ns-tmtr.verizonwireless.com | 3 records |
✅ Authoritative Response
Server:162.115.34.17
NS records: ns-scrm.verizonwireless.com, ns-twbg.verizonwireless.com, ns-tmtr.verizonwireless.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for concentric.com (unsigned zone)
⏱️ Timing
Total: 183ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 207.155.248.166 |
📌 Glue Records Collected
Total: 3
Out-of-bailiwick: 3 (ns-scrm.verizonwireless.com, ns-twbg.verizonwireless.com, ns-tmtr.verizonwireless.com)
Analysis
IP Addresses
formidable.concentric.com has exactly one IP address — 207.155.248.166.