physicscafe.com.sg - robtex.com
physicscafe.com.sg
| DNSSEC | ⚠️ Not signed | ||||||
| A | 157.230.33.240🇸🇬 DIGITALOCEAN157.230.32.0/20 DigitalOcean | ||||||
| PTR | host2.thephysicscafe.com | ||||||
| NS | ns1.thephysicscafe.com ⭐ ⚠️ Not in parent delegation | ||||||
| NS | ns1.oryon.net ⚠️ Not in zone NS records | ||||||
| A | 13.213.162.30🇸🇬 Amazon13.212.0.0/15 EC2 SIN prefix | ||||||
| PTR | ec2-13-213-162-30.ap-southeast-1.compute.amazonaws.com | ||||||
| NS | ns2.oryon.net ⚠️ Not in zone NS records | ||||||
| A | 134.209.100.224🇸🇬 DIGITALOCEAN134.209.96.0/20 DigitalOcean | ||||||
| PTR | newns2.oryon.net | ||||||
| NS | ns2.thephysicscafe.com ⚠️ Not in parent delegation | ||||||
| NS | ns3.oryon.net ⚠️ Not in zone NS records | ||||||
| A | 139.59.234.177🇸🇬 DIGITALOCEAN139.59.224.0/20 DigitalOcean | ||||||
| PTR | ns3.oryon.net | ||||||
| MX | physicscafe.com.sg ⭐ | ||||||
| A | 157.230.33.240🇸🇬 DIGITALOCEAN157.230.32.0/20 DigitalOcean | ||||||
| PTR | host2.thephysicscafe.com | ||||||
| TXT | v=spf1 +a +mx +ip4:206.189.38.245 +ip4:157.230.33.240 +ip4:134.209.110.51 a:2... | ||||||
| SOA | ns1.thephysicscafe.commonitor@on.sg 2024-08-21 #1 | ||||||
com.sg
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ds.sgnic.sg ⭐ | ||||||
| NS | dsany2.sgnic.sg ⚠️ Not in parent delegation | ||||||
| NS | dsany3.sgnic.sg ⚠️ Not in parent delegation | ||||||
| NS | dsany4.sgnic.sg ⚠️ Not in parent delegation | ||||||
| NS | pch.sgzones.sg ⚠️ Not in parent delegation | ||||||
| SOA | ds.sgnic.sgdna@sgnic.sg serial=2608161500 | ||||||
MX for
physicscafe.com.sg |
Same first word
physicscafe.com.sg |
DNS History
7 records (7 active, 0 former)
●NSns1.thephysicscafe.com2026-06-09 → 2026-08-16 · 2 obs
● 2026-08-16 15:58:34
●NSns2.thephysicscafe.com2026-06-09 → 2026-08-16 · 2 obs
● 2026-08-16 15:58:34
●MXphysicscafe.com.sg2026-06-09 → 2026-08-16 · 2 obs
● 2026-08-16 15:58:34
●A157.230.33.2402026-06-09 → 2026-08-16 · 2 obs
● 2026-08-16 15:58:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| sg | pch.sgzones.sg, dsany2.sgnic.sg, dsany3.sgnic.sg, dsany4.sgnic.sg | - |
| physicscafe.com.sg | ns2.oryon.net, ns3.oryon.net, ns1.oryon.net | - |
✅ Authoritative Response
Server:134.209.100.224
NS records: ns2.oryon.net, ns3.oryon.net, ns1.oryon.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for physicscafe.com.sg (unsigned zone)
⏱️ Timing
Total: 776ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 157.230.33.240 |
| NS | 2 | ns1.thephysicscafe.com, ns2.thephysicscafe.com |
| MX | 1 | physicscafe.com.sg (pri: 0) |
| TXT | 1 | v=spf1 +a +mx +ip4:206.189.38.245 +ip4:1 |
| SOA | 1 | ns1.thephysicscafe.com monitor.on.sg |
Analysis
Mail Server Role
physicscafe.com.sg acts as its own mail server.
IP Addresses
physicscafe.com.sg points to a single IP number: 157.230.33.240.
Additional host names — themathscafe.com, host2.thephysicscafe.com, econscafe.com and two others — share IP numbers with physicscafe.com.sg.
Name Servers
Delegation for physicscafe.com.sg is to five name servers: ns1.thephysicscafe.com, ns2.thephysicscafe.com, ns1.oryon.net and two others.
There is at least partial name server overlap between physicscafe.com.sg and other domains — shopwithkid.com, sonnyzin.com, littletonmanagement.com and two more among them.
These name servers tend to appear in combination with the name servers ns2.oryon.net, ns3.oryon.net, ns1.cprapid.com and ns2.cprapid.com.
ns1.oryon.net, ns2.oryon.net and ns3.oryon.net each resolve to a single IP address: ns1.oryon.net resolves to 13.213.162.30, ns2.oryon.net resolves to 134.209.100.224 and ns3.oryon.net resolves to 139.59.234.177.
Mail Servers
physicscafe.com.sg has a single mail server: physicscafe.com.sg itself.
physicscafe.com.sg resolves to a single IP number: 157.230.33.240.