cssdemo.dev - robtex.com
cssdemo.dev
| DNSSEC | ⚠️ Not signed | ||||||
| A | 139.177.186.96🇸🇬 AKAMAI-LINODE-AP139.177.184.0/21 Akamai Technologies | ||||||
| PTR | main01.cssoffice.sg | ||||||
| NS | ns1.cssoffice.sg ⭐ | ||||||
| A | 192.53.173.78🇸🇬 AKAMAI-LINODE-AP192.53.172.0/22 Akamai Technologies | ||||||
| PTR | ns1.cssoffice.sg | ||||||
| NS | ns2.cssoffice.sg | ||||||
| A | 139.177.186.95🇸🇬 AKAMAI-LINODE-AP139.177.184.0/21 Akamai Technologies | ||||||
| PTR | ns2.cssoffice.sg | ||||||
| MX | cssdemo.dev ⭐ | ||||||
| A | 139.177.186.96🇸🇬 AKAMAI-LINODE-AP139.177.184.0/21 Akamai Technologies | ||||||
| PTR | main01.cssoffice.sg | ||||||
| TXT | v=spf1 ip4:139.177.186.96 include:spf.antispamcloud.com +a +mx ~all | ||||||
| SOA | ns1.cssoffice.sgroot@main01.cssoffice.sg 2026-08-25 #0 | ||||||
dev
| 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=1 | ||||||
MX for
cssdemo.dev |
Same first word
Similar names
Previous names
Next names
DNS History
4 records (4 active, 0 former)
●NSns1.cssoffice.sg2026-08-27 → 2026-08-28 · 2 obs
● 2026-08-28 21:03:24
●NSns2.cssoffice.sg2026-08-27 → 2026-08-28 · 2 obs
● 2026-08-28 21:03:24
●MXcssdemo.dev2026-08-27 → 2026-08-28 · 2 obs
● 2026-08-28 21:03:24
●A139.177.186.962026-08-27 → 2026-08-28 · 2 obs
● 2026-08-28 21:03:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| dev | ns-tld4.charlestonroadregistry.com, ns-tld5.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com... | - |
| cssdemo.dev | ns1.cssoffice.sg, ns2.cssoffice.sg | - |
✅ Authoritative Response
Server:192.53.173.78
NS records: ns1.cssoffice.sg, ns2.cssoffice.sg
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cssdemo.dev (unsigned zone)
⏱️ Timing
Total: 1398ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 139.177.186.96 |
| NS | 2 | ns2.cssoffice.sg, ns1.cssoffice.sg |
| MX | 1 | cssdemo.dev (pri: 0) |
| TXT | 1 | v=spf1 ip4:139.177.186.96 include:spf.an |
| SOA | 1 | ns1.cssoffice.sg root.main01.cssoffice.s |
Analysis
Mail Server Role
The MX record for cssdemo.dev points back to cssdemo.dev — it is its own mail server.
IP Addresses
cssdemo.dev directs to one IP number, which is 139.177.186.96.
Among the host names that share IP numbers with cssdemo.dev are cssoffice.sg, mail-srv26.ois.com.sg, ois.com.sg and two others.
Name Servers
cssdemo.dev is delegated to two name servers: ns1.cssoffice.sg and ns2.cssoffice.sg.
cssdemo.dev has the same name server delegation as a number of other domains, such as lbs.sg, cssoffice.sg, ois.com.sg and two more.
Both ns1.cssoffice.sg and ns2.cssoffice.sg have a single IP address each — ns1.cssoffice.sg resolves to 192.53.173.78 while ns2.cssoffice.sg resolves to 139.177.186.95.
Mail Servers
The MX record for cssdemo.dev points to a single mail server: cssdemo.dev.
cssdemo.dev resolves to a single IP number: 139.177.186.96.