duo.sh - robtex.com
duo.sh
sh
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.nic.sh ⭐ | ||||||
| NS | a2.nic.sh | ||||||
| NS | b0.nic.sh | ||||||
| NS | c0.nic.sh | ||||||
| SOA | a0.nic.shhostmaster@donuts.email serial=1776217351 | ||||||
Same first word
Similar names
DNS History
2 records (2 active, 0 former)
●NSdns1.cscdns.net2026-03-31 → 2026-04-15 · 2 obs
● 2026-03-31 14:04:56
● 2026-04-15 02:07:12
● 2026-04-15 02:07:12
●NSdns2.cscdns.net2026-03-31 → 2026-04-15 · 2 obs
● 2026-03-31 14:04:56
● 2026-04-15 02:07:12
● 2026-04-15 02:07:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| sh | b0.nic.sh, a0.nic.sh, c0.nic.sh, a2.nic.sh | - |
| duo.sh | dns2.cscdns.net, dns1.cscdns.net | - |
✅ Authoritative Response
Server:156.154.131.100
NS records: dns2.cscdns.net, dns1.cscdns.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for duo.sh (unsigned zone)
⏱️ Timing
Total: 274ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|
Analysis
Name Servers
duo.sh is delegated to two name servers: dns1.cscdns.net and dns2.cscdns.net.
duo.sh uses the same name server setup as other domains, including jacadi.hr, novonordisk.co, mbnaireland.com, vingcard.eu and yesyoucanonline.net.
duo.sh shares name servers with other domains, at least partially; for example mclarenanimation.tv and nfltvoffer5.net.
Host names with two IP numbers:
dns1.cscdns.net points to 2610:a1:1022::100 and 156.154.130.100.
dns2.cscdns.net points to 2610:a1:1023::100 and 156.154.131.100.