core4.app - robtex.com
core4.app
| DNSSEC | ⚠️ Not signed | ||||||
| A | 27.124.125.171🇦🇺 AS3871927.124.125.0/24 | ||||||
| PTR | ip1b7c7dab.ipv4.ds.network | ||||||
| NS | ns1.crazydomains.com ⭐ | ||||||
| A | 2a00:fd80:aaaa:ffff::eeee:c1 | ||||||
| A | 27.124.125.7 | ||||||
| NS | ns2.crazydomains.com | ||||||
| A | 2a00:fd80:aaaa:ffff::eeee:c2 | ||||||
| A | 27.124.125.8 | ||||||
| SOA | ns1.crazydomains.comadmin@syrahost.com serial=1746164360 | ||||||
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 | ||||||
🔒 HSTS Preload (+subdomains)
Same first word
Similar names
cero4.com |
r4eco.com |
re4co.com |
4core.com.br |
4core.de |
4core.com |
co4re.net |
4core.pl |
eco4r.org |
4reco.com |
4core.com.au |
4core.media |
4core.at |
4orce.ca |
DNS History
3 records (3 active, 0 former)
●NSns1.crazydomains.com2026-05-12 → 2026-05-16 · 2 obs
● 2026-05-12 20:45:02
● 2026-05-16 01:07:10
● 2026-05-16 01:07:10
●NSns2.crazydomains.com2026-05-12 → 2026-05-16 · 2 obs
● 2026-05-12 20:45:02
● 2026-05-16 01:07:10
● 2026-05-16 01:07:10
●A27.124.125.1712026-05-12 → 2026-05-16 · 2 obs
● 2026-05-12 20:45:02
● 2026-05-16 01:07:10
● 2026-05-16 01:07:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| app | ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com... | - |
| core4.app | ns1.crazydomains.com, ns2.crazydomains.com | - |
✅ Authoritative Response
Server:27.124.125.7
NS records: ns1.crazydomains.com, ns2.crazydomains.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for core4.app (unsigned zone)
⏱️ Timing
Total: 1115ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 27.124.125.171 |
| NS | 2 | ns2.crazydomains.com, ns1.crazydomains.com |
| SOA | 1 | ns1.crazydomains.com admin.syrahost.com |
Analysis
IP Addresses
core4.app points to a single IP address: 27.124.125.171.
Name Servers
core4.app is delegated to two name servers: ns1.crazydomains.com and ns2.crazydomains.com.
Host names with two IP numbers:
ns1.crazydomains.com points to 2a00:fd80:aaaa:ffff::eeee:c1 and 27.124.125.7.
ns2.crazydomains.com points to 2a00:fd80:aaaa:ffff::eeee:c2 and 27.124.125.8.