expressscripts.nu - dns.ninja
expressscripts.nu
| 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 | ||||||
nu
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | catcher-in-the-rye.nic.nu ⭐ | ||||||
| NS | a.ns.nu | ||||||
| NS | c.ns.nu | ||||||
| NS | d.ns.nu | ||||||
| NS | m.ns.nu | ||||||
| NS | y.ns.nu | ||||||
| NS | z.ns.nu | ||||||
| TXT | id:6d41a0c3-5980-4547-b2f7-157c3eae0235 | ||||||
| TXT | NU zone update: 2026-07-26 22:31:28 +0000 (EPOCH 1785105088) (auto) | ||||||
| SOA | catcher-in-the-rye.nic.nuhostmaster@nic.nu serial=1785105146 | ||||||
Same first word
Similar names
DNS History
2 records (2 active, 0 former)
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| expressscripts.nu | ns.cigna.com, ns2.cigna.com | - |
✅ Authoritative Response
Server:170.48.11.4
NS records: ns.cigna.com, ns2.cigna.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for expressscripts.nu (unsigned zone)
⏱️ Timing
Total: 118ms | 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.nu uses two name servers for its delegation: ns2.cigna.com and ns.cigna.com.
expressscripts.nu has the same name server delegation as a number of other domains, such as cignains.co.kr, medcopharmacist.mobi, therapeuticresourcecenters.info and two more.
There is at least partial name server overlap between expressscripts.nu and other domains — cignahealthcarecom.com, xn--cgnahealthcare-ldc.com, xn--thecinagroup-hyb.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.