csfworlds.com - dns.ninja
csfworlds.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 51.79.229.154🇸🇬 OVH51.79.128.0/17 Hosting route | ||||||
| PTR | earth-8.bikiran.net | ||||||
| NS | ns81.bikiran.net ⭐ ⚠️ Not in parent delegation | ||||||
| A | 51.79.229.154🇸🇬 OVH51.79.128.0/17 Hosting route | ||||||
| PTR | earth-8.bikiran.net | ||||||
| NS | ns21.bikiran.net ⚠️ Not in zone NS records | ||||||
| A | 51.79.229.154🇸🇬 OVH51.79.128.0/17 Hosting route | ||||||
| PTR | earth-8.bikiran.net | ||||||
| NS | ns22.bikiran.net ⚠️ Not in zone NS records | ||||||
| A | 51.79.155.229🇸🇬 OVH51.79.128.0/17 Hosting route | ||||||
| PTR | mars-8.bikiran.net | ||||||
| NS | ns82.bikiran.net ⚠️ Not in parent delegation | ||||||
| A | 51.79.155.229🇸🇬 OVH51.79.128.0/17 Hosting route | ||||||
| PTR | mars-8.bikiran.net | ||||||
| MX | csfworlds.com ⭐ | ||||||
| A | 51.79.229.154🇸🇬 OVH51.79.128.0/17 Hosting route | ||||||
| PTR | earth-8.bikiran.net | ||||||
| TXT | v=spf1 +a +mx +ip4:51.79.229.154 ~all | ||||||
| SOA | ns81.bikiran.netbikiran\@server.gmail.com 2026-07-05 #1 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1786393879 | ||||||
MX for
csfworlds.com |
Same first word
csfworlds.com |
DNS History
6 records (6 active, 0 former)
●NSns21.bikiran.net2026-02-22 → 2026-08-10 · 2 obs
● 2026-08-10 21:00:24
●NSns22.bikiran.net2026-02-22 → 2026-08-10 · 2 obs
● 2026-08-10 21:00:24
●NSns81.bikiran.net2026-02-22 → 2026-08-10 · 2 obs
● 2026-08-10 21:00:24
●NSns82.bikiran.net2026-02-22 → 2026-08-10 · 2 obs
● 2026-08-10 21:00:24
●MXcsfworlds.com2026-02-22 → 2026-08-10 · 2 obs
● 2026-08-10 21:00:24
●A51.79.229.1542026-02-22 → 2026-08-10 · 2 obs
● 2026-08-10 21:00:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | c.gtld-servers.net, e.gtld-servers.net, k.gtld-servers.net, g.gtld-servers.net... | - |
| csfworlds.com | ns21.bikiran.net, ns22.bikiran.net | - |
✅ Authoritative Response
Server:51.79.155.229
NS records: ns21.bikiran.net, ns22.bikiran.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for csfworlds.com (unsigned zone)
⏱️ Timing
Total: 730ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 51.79.229.154 |
| NS | 2 | ns82.bikiran.net, ns81.bikiran.net |
| MX | 1 | csfworlds.com (pri: 0) |
| TXT | 1 | v=spf1 +a +mx +ip4:51.79.229.154 ~all |
| SOA | 1 | ns81.bikiran.net bikiran\.server.gmail.c |
Analysis
Mail Server Role
The MX record for csfworlds.com points back to csfworlds.com — it is its own mail server.
IP Addresses
csfworlds.com directs to one IP number, which is 51.79.229.154.
Among the host names that share IP numbers with csfworlds.com are tools.bikiran.com, mail.enroute.com.bd, carnivalbd.net and two others.
Name Servers
The domain csfworlds.com is delegated to these four name servers: ns21.bikiran.net, ns22.bikiran.net, ns81.bikiran.net and ns82.bikiran.net.
At least some of csfworlds.com's name servers are shared with other domains, for example ecdl.com.bd, enroute.com.bd, bddoctor.com and two more.
These name servers tend to co-occur with ns1.sudokkho.com, ns2.sudokkho.com, ns11.imtiajrasel.com and 3 other name servers in the same DNS delegations.
ns21.bikiran.net, ns22.bikiran.net, ns81.bikiran.net and ns82.bikiran.net each point to exactly one IP address. ns21.bikiran.net directs to 51.79.229.154, ns22.bikiran.net directs to 51.79.155.229, ns81.bikiran.net directs to 51.79.229.154 and ns82.bikiran.net directs to 51.79.155.229. Two pairs share an IP: ns21.bikiran.net and ns81.bikiran.net share 51.79.229.154, and ns22.bikiran.net and ns82.bikiran.net share 51.79.155.229.
ns21.bikiran.net along with ns81.bikiran.net each resolve to 51.79.229.154 IP addresses.
ns22.bikiran.net along with ns82.bikiran.net each resolve to 51.79.155.229 IP addresses.
Mail Servers
The MX record for csfworlds.com points to a single mail server: csfworlds.com.
csfworlds.com carries a single IP number, which is 51.79.229.154.