duplex.io - dns.ninja
duplex.io
| 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 | ||||||
io
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.nic.io ⭐ | ||||||
| NS | a2.nic.io | ||||||
| NS | b0.nic.io | ||||||
| NS | c0.nic.io | ||||||
| SOA | a0.nic.iohostmaster@donuts.email serial=1785432567 | ||||||
Same first word
Similar names
DNS History
12 records (4 active, 8 former)
●NSns1.afternic.com2026-02-20 → 2026-07-30 · 3 obs
● 2026-02-20 13:02:58
● 2026-07-30 18:12:50
○NSns1.dnsimple.com2015-07-09 → 2017-01-01 · 4 obs
● 2017-01-01 22:17:12
○ 2026-02-20 13:02:58
○ 2026-07-30 18:12:50
●NSns2.afternic.com2026-02-20 → 2026-07-30 · 3 obs
● 2026-02-20 13:02:58
● 2026-07-30 18:12:50
○NSns2.dnsimple.com2015-07-09 → 2017-01-01 · 4 obs
● 2017-01-01 22:17:12
○ 2026-02-20 13:02:58
○ 2026-07-30 18:12:50
○NSns3.dnsimple.com2015-07-09 → 2017-01-01 · 4 obs
● 2017-01-01 22:17:12
○ 2026-02-20 13:02:58
○ 2026-07-30 18:12:50
○NSns4.dnsimple.com2015-07-09 → 2017-01-01 · 4 obs
● 2017-01-01 22:17:12
○ 2026-02-20 13:02:58
○ 2026-07-30 18:12:50
○MX.2026-02-20 → 2026-07-30 · 2 obs
○ 2026-07-30 18:12:50
○MXinbound-smtp.us-east-1.amazonaws.com2015-12-24 → 2017-01-01 · 5 obs
● 2015-12-24 23:13:00
● 2017-01-01 22:17:12
○ 2026-02-20 13:02:58
○ 2026-07-30 18:12:50
○MXmail.duplex.io2015-07-09 → 2015-09-17 · 4 obs
● 2015-09-17 21:34:00
○ 2015-12-24 23:13:00
○ 2026-07-30 18:12:50
●A13.248.169.482026-02-20 → 2026-07-30 · 3 obs
● 2026-02-20 13:02:58
● 2026-07-30 18:12:50
○A54.206.100.1192015-07-09 → 2017-01-01 · 4 obs
● 2017-01-01 22:17:12
○ 2026-02-20 13:02:58
○ 2026-07-30 18:12:50
●A76.223.54.1462026-02-20 → 2026-07-30 · 3 obs
● 2026-02-20 13:02:58
● 2026-07-30 18:12:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| io | c0.nic.io, a2.nic.io, a0.nic.io, b0.nic.io | - |
| duplex.io | ns2.afternic.com, ns1.afternic.com | - |
✅ Authoritative Response
Server:97.74.98.69
NS records: ns2.afternic.com, ns1.afternic.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for duplex.io (unsigned zone)
⏱️ Timing
Total: 305ms | 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 |
Analysis
IP Addresses
duplex.io directs to two IP numbers, 13.248.169.48 and 76.223.54.146
Two other host names, along with www.copticwave.com, wasp.me and regeny.com, also share IP numbers with duplex.io.
Name Servers
duplex.io has two authoritative name servers — ns1.afternic.com and ns2.afternic.com.
duplex.io shares its NS records with other domains, for example portal.knowledgeon.com, dinelite.com, www.maturediva.com and two others.
duplex.io partially shares its NS delegation with several other domains, including origination.net, neai.net, primella.com and two others.
In DNS configurations, these name servers often share authority with verification-d3jclucsp89ganyqbydeny.ns101.verify.hn, ns1.atom.com, ns2.atom.com and 3 other name servers.
Both ns1.afternic.com and ns2.afternic.com have two IP addresses each. ns1.afternic.com resolves to 97.74.98.69 and 2603:5:2126::45; ns2.afternic.com resolves to 173.201.66.69 and 2603:5:2226::45.