duplex.co - robtex.com
duplex.co
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns-cloud-d1.googledomains.com ⚠️ Not in zone NS records | ||||||
| A | 2001:4860:4802:32::6d🇺🇸 Google2001:4860::/32 | ||||||
| PTR | ns-cloud-d1.googledomains.com | ||||||
| A | 216.239.32.109🇺🇸 Google216.239.32.0/24 | ||||||
| NS | ns-cloud-d2.googledomains.com ⚠️ Not in zone NS records | ||||||
| A | 2001:4860:4802:34::6d🇺🇸 Google2001:4860::/32 | ||||||
| PTR | ns-cloud-d2.googledomains.com | ||||||
| A | 216.239.34.109🇺🇸 Google216.239.34.0/24 | ||||||
co
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns0.centralnic.net ⭐ | ||||||
| NS | a.registrydns.co | ||||||
| NS | b.registrydns.co | ||||||
| NS | c.registrydns.co | ||||||
| NS | d.registrydns.co | ||||||
| SOA | ns0.centralnic.nethostmaster@centralnic.net serial=1759707394 | ||||||
Same first word
Similar names
DNS History
6 records (2 active, 4 former)
●NSns-cloud-d1.googledomains.com2026-06-14 → 2026-07-16 · 3 obs
● 2026-06-14 16:08:56
● 2026-07-16 17:36:16
●NSns-cloud-d2.googledomains.com2026-06-14 → 2026-07-16 · 3 obs
● 2026-06-14 16:08:56
● 2026-07-16 17:36:16
○NSns.mainnameserver.com2015-07-23 → 2017-05-16 · 4 obs
● 2017-05-16 05:06:52
○ 2026-06-14 16:08:56
○ 2026-07-16 17:36:16
○NSns2.mainnameserver.com2015-07-23 → 2017-05-16 · 4 obs
● 2017-05-16 05:06:52
○ 2026-06-14 16:08:56
○ 2026-07-16 17:36:16
○MXmail.duplex.co2015-07-23 → 2017-05-16 · 4 obs
● 2017-05-16 05:06:52
○ 2026-06-14 16:08:56
○ 2026-07-16 17:36:16
○A79.170.44.1412015-07-23 → 2017-05-16 · 4 obs
● 2017-05-16 05:06:52
○ 2026-06-14 16:08:56
○ 2026-07-16 17:36:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| co | a.registrydns.co, b.registrydns.co, c.registrydns.co, d.registrydns.co | - |
| duplex.co | ns-cloud-d1.googledomains.com, ns-cloud-d2.googledomains.com | - |
✅ Authoritative Response
Server:216.239.32.109
NS records: ns-cloud-d1.googledomains.com, ns-cloud-d2.googledomains.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for duplex.co (unsigned zone)
⏱️ Timing
Total: 452ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|
Analysis
Name Servers
The NS records for duplex.co delegate to ns-cloud-d1.googledomains.com and ns-cloud-d2.googledomains.com.
duplex.co shares its name server setup with other domains, including oasisjoy.com, verde-card.com.br, myspaceradio.com and two others.
At least some of duplex.co's name servers are shared with other domains, for example hobbyfuzion.com, hddnmem.com, fusion-electrical-services.com and two more.
These name servers tend to be deployed in combination with the name servers ns-cloud-d3.googledomains.com and ns-cloud-d4.googledomains.com.
ns-cloud-d1.googledomains.com resolves to 216.239.32.109 and 2001:4860:4802:32::6d. Likewise, ns-cloud-d2.googledomains.com resolves to 216.239.34.109 and 2001:4860:4802:34::6d — two IP addresses apiece.