cntb.app - robtex.com
cntb.app
| DNSSEC | ⚠️ Not signed | ||||||
| A | 13.248.169.48🇺🇸 Amazon13.248.160.0/20 | ||||||
| A | 76.223.54.146🇺🇸 Amazon76.223.48.0/20 | ||||||
| NS | ns3.afternic.com ⭐ | ||||||
| A | 97.74.98.65🇺🇸 GODADDY-DNS97.74.98.0/23 | ||||||
| NS | ns4.afternic.com | ||||||
| A | 173.201.66.65🇺🇸 GODADDY-DNS173.201.66.0/23 | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | ns3.afternic.comdns@jomax.net 2025-10-01 #0 | ||||||
app
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns-tld1.charlestonroadregistry.com ⭐ | ||||||
| NS | ns-tld2.charlestonroadregistry.com | ||||||
| NS | ns-tld3.charlestonroadregistry.com | ||||||
| NS | ns-tld4.charlestonroadregistry.com | ||||||
| NS | ns-tld5.charlestonroadregistry.com | ||||||
| SOA | ns-tld1.charlestonroadregistry.comcloud-dns-hostmaster@google.com serial=101427 | ||||||
Same first word
Similar names
DNS History
4 records (4 active, 0 former)
●NSns3.afternic.com2026-05-24 → 2026-07-30 · 2 obs
● 2026-07-30 09:07:14
●NSns4.afternic.com2026-05-24 → 2026-07-30 · 2 obs
● 2026-07-30 09:07:14
●A13.248.169.482026-05-24 → 2026-07-30 · 2 obs
● 2026-07-30 09:07:14
●A76.223.54.1462026-05-24 → 2026-07-30 · 2 obs
● 2026-07-30 09:07:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| app | ns-tld1.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com... | - |
| cntb.app | ns3.afternic.com, ns4.afternic.com | - |
✅ Authoritative Response
Server:173.201.66.65
NS records: ns3.afternic.com, ns4.afternic.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cntb.app (unsigned zone)
⏱️ Timing
Total: 435ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 13.248.169.48, 76.223.54.146 |
| NS | 2 | ns3.afternic.com, ns4.afternic.com |
| MX | 1 | . (pri: 0) |
| TXT | 1 | v=spf1 -all |
| SOA | 1 | ns3.afternic.com dns.jomax.net |
Analysis
IP Addresses
cntb.app has two IP addresses: 13.248.169.48 and 76.223.54.146
Additional host names — larisco.com, asr-technologies.com, mail.woolmerchant.com and two others — share IP numbers with cntb.app.
Name Servers
cntb.app is served by two delegated name servers, ns3.afternic.com and ns4.afternic.com.
cntb.app shares its name server setup with other domains, including dtrading.com, adirondackeye.com, sendmytime.com and two others.
At least some of cntb.app's name servers are shared with other domains, for example logikbit.com, thebudgetinn.com, terit.com and two more.
These name servers tend to be deployed in combination with the name servers verification-frsgyqgb387khmr9jzuunx.ns101.verify.hn and verification-2hupcltk6hmfcmoczls2f5.ns101.verify.hn.
Each of ns3.afternic.com and ns4.afternic.com has one IP address: ns3.afternic.com uses 97.74.98.65 and ns4.afternic.com uses 173.201.66.65.