esrx.us - robtex.com
esrx.us
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns2.cigna.com ⭐ | ||||||
| A | 170.48.24.5🇺🇸 AS13348170.48.24.0/24 | ||||||
| PTR | ns2.cigna.com | ||||||
| NS | ns.cigna.com | ||||||
| A | 170.48.11.4🇺🇸 AS11406170.48.11.0/24 | ||||||
| PTR | ns.cigna.com | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | ns.cigna.comdnsdhcpipam@cigna.com serial=104 | ||||||
us
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.cctld.us ⭐ | ||||||
| NS | b.cctld.us | ||||||
| NS | f.cctld.us | ||||||
| NS | k.cctld.us | ||||||
| NS | m.cctld.us | ||||||
| NS | n.cctld.us | ||||||
| NS | w.cctld.us | ||||||
| NS | x.cctld.us | ||||||
| NS | y.cctld.us | ||||||
| SOA | a.cctld.usadmin@tldns.godaddy serial=1773555288 | ||||||
Same first word
Similar names
DNS History
2 records (2 active, 0 former)
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| us | m.cctld.us, k.cctld.us, b.cctld.us, x.cctld.us... | - |
| esrx.us | ns2.cigna.com, ns.cigna.com | - |
✅ Authoritative Response
Server: 170.48.24.5
NS records: ns2.cigna.com, ns.cigna.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for esrx.us (unsigned zone)
⏱️ Timing
Total: 546ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | ns2.cigna.com, ns.cigna.com |
| TXT | 1 | v=spf1 -all |
| SOA | 1 | ns.cigna.com dnsdhcpipam.cigna.com |
Analysis
Name Servers
Delegation for esrx.us rests with two name servers, ns2.cigna.com and ns.cigna.com.
esrx.us shares the same name server setup as other domains, including ch01celinx.com, esrx.vip, bignahealthcare.com, arthritisneighborhood.com and expressscriptslab.biz.
esrx.us at least partially shares name servers with other domains, for instance thec-ignagroup.com, cignahezlthcare.com, thecignagrouip.com, cignabraveofheart.com and thecignagrpup.com.
These name servers are commonly used with the name servers dns-publicprimary-wdc.sys.cigna.com.
Host names with one IP number: ns2.cigna.com points to 170.48.24.5; ns.cigna.com points to 170.48.11.4.