duo.cool - robtex.com
duo.cool
| DNSSEC | ⚠️ Not signed | ||||||
| A | 13.248.169.48🇺🇸 Amazon13.248.160.0/20 | ||||||
| PTR | a904c694c05102f30.awsglobalaccelerator.com | ||||||
| A | 76.223.54.146🇺🇸 Amazon76.223.48.0/20 | ||||||
| NS | ns1.afternic.com ⭐ | ||||||
| A | 2603:5:2126::45🇺🇸 GODADDY-DNS2603:5:2120::/44 | ||||||
| PTR | ns1.afternic.com | ||||||
| A | 97.74.98.69🇺🇸 GODADDY-DNS97.74.98.0/23 | ||||||
| PTR | ns1.afternic.com | ||||||
| NS | ns2.afternic.com | ||||||
| A | 2603:5:2226::45🇺🇸 GODADDY-DNS2603:5:2220::/44 | ||||||
| PTR | ns2.afternic.com | ||||||
| A | 173.201.66.69🇺🇸 GODADDY-DNS173.201.66.0/23 | ||||||
| PTR | ns2.afternic.com | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | ns1.afternic.comdns@jomax.net serial=1 | ||||||
cool
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | v0n0.nic.cool ⭐ | ||||||
| NS | v0n1.nic.cool | ||||||
| NS | v0n2.nic.cool | ||||||
| NS | v0n3.nic.cool | ||||||
| NS | v2n0.nic.cool | ||||||
| NS | v2n1.nic.cool | ||||||
| SOA | v0n0.nic.coolhostmaster@donuts.email serial=1785648127 | ||||||
Same first word
Similar names
DNS History
6 records (4 active, 2 former)
●NSns1.afternic.com2026-07-29 → 2026-08-02 · 3 obs
● 2026-07-29 02:36:06
● 2026-08-02 05:27:12
○NSns17.xincache.com2016-12-10 → 2016-12-10 · 3 obs
○ 2017-08-25 17:34:38
○ 2026-08-02 05:27:12
○NSns18.xincache.com2016-12-10 → 2016-12-10 · 3 obs
○ 2017-08-25 17:34:38
○ 2026-08-02 05:27:12
●NSns2.afternic.com2026-07-29 → 2026-08-02 · 3 obs
● 2026-07-29 02:36:06
● 2026-08-02 05:27:12
●A13.248.169.482026-08-02 → 2026-08-02 · 1 obs
●A76.223.54.1462026-08-02 → 2026-08-02 · 1 obs
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cool | v0n1.nic.cool, v0n3.nic.cool, v2n1.nic.cool, v0n2.nic.cool... | 12 records |
| duo.cool | ns1.afternic.com, ns2.afternic.com | - |
✅ Authoritative Response
Server:97.74.98.69
NS records: ns1.afternic.com, ns2.afternic.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for duo.cool (unsigned zone)
⏱️ Timing
Total: 285ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 76.223.54.146, 13.248.169.48 |
| NS | 2 | ns1.afternic.com, ns2.afternic.com |
| MX | 1 | . (pri: 0) |
| TXT | 1 | v=spf1 -all |
| SOA | 1 | ns1.afternic.com dns.jomax.net |
📌 Glue Records Collected
Total: 12
In-bailiwick: 12 (v0n1.nic.cool, v0n1.nic.cool, v0n3.nic.cool...)
Analysis
IP Addresses
duo.cool points to the IP addresses 13.248.169.48 and 76.223.54.146
Two other host names, along with multisigperson.xyz, beneficiary.net and whoswho.us, also share IP numbers with duo.cool.
Name Servers
The NS records for duo.cool delegate to ns1.afternic.com and ns2.afternic.com.
duo.cool shares its NS records with other domains, for example ns1.monse.co, ns2.mahzuz.com, www.cancergenetics.com and two others.
The name servers of duo.cool overlap at least partially with those of other domains — among them vatopia.com, within.cloud, miqus.com and two more.
These name servers commonly appear in combination with the name servers verification-28dvpz7wy4sppbmkz6kqhg.ns101.verify.hn.
ns1.afternic.com resolves to 97.74.98.69 and 2603:5:2126::45. Likewise, ns2.afternic.com resolves to 173.201.66.69 and 2603:5:2226::45 — two IP addresses apiece.