expressscripts.us - dns.ninja
expressscripts.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=1780993817 | ||||||
Same first word
Similar names
DNS History
2 records (2 active, 0 former)
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| us | b.cctld.us, f.cctld.us, k.cctld.us, m.cctld.us... | - |
| expressscripts.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 expressscripts.us (unsigned zone)
⏱️ Timing
Total: 323ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | ns.cigna.com, ns2.cigna.com |
| TXT | 1 | v=spf1 -all |
| SOA | 1 | ns.cigna.com dnsdhcpipam.cigna.com |
Analysis
Name Servers
expressscripts.us has two authoritative name servers — ns2.cigna.com and ns.cigna.com.
expressscripts.us has the same name server delegation as a number of other domains, such as proactiveadherence.net, systemedrx.cc, benefitxchange.net and two more.
There is at least partial name server overlap between expressscripts.us and other domains — xn--cignaealthcare-u66g.com, thecignagroupt.com, cignahealtxcare.com and two more among them.
These name servers are routinely deployed together with the name servers dns-publicprimary-wdc.sys.cigna.com.
ns2.cigna.com → 170.48.24.5 and ns.cigna.com → 170.48.11.4: one IP number per host name.