bestphytuition.com - robtex.com
bestphytuition.com
| 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 | bestphytuition.com ⭐ | ||||||
| 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 #2 | ||||||
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=1786805064 | ||||||
MX for
bestphytuition.com |
Same first word
bestphytuition.com |
DNS History
9 records (7 active, 2 former)
●NSns1.thephysicscafe.com2026-06-16 → 2026-08-15 · 3 obs
● 2026-06-16 08:43:08
● 2026-08-15 15:04:22
●NSns2.thephysicscafe.com2026-06-16 → 2026-08-15 · 3 obs
● 2026-06-16 08:43:08
● 2026-08-15 15:04:22
●MXbestphytuition.com2016-12-19 → 2026-08-15 · 2 obs
● 2026-08-15 15:04:22
●A157.230.33.2402026-06-16 → 2026-08-15 · 3 obs
● 2026-06-16 08:43:08
● 2026-08-15 15:04:22
○A180.210.204.2302016-12-19 → 2016-12-28 · 4 obs
● 2016-12-28 22:06:12
○ 2018-05-20 08:00:40
○ 2026-08-15 15:04:22
○A54.251.115.02018-05-20 → 2018-05-20 · 4 obs
● 2018-05-20 08:00:40
○ 2026-06-16 08:43:08
○ 2026-08-15 15:04:22
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | f.gtld-servers.net, e.gtld-servers.net, c.gtld-servers.net, m.gtld-servers.net... | - |
| bestphytuition.com | ns1.oryon.net, ns2.oryon.net, ns3.oryon.net | - |
✅ Authoritative Response
Server:139.59.234.177
NS records: ns1.oryon.net, ns2.oryon.net, ns3.oryon.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for bestphytuition.com (unsigned zone)
⏱️ Timing
Total: 899ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 157.230.33.240 |
| NS | 2 | ns1.thephysicscafe.com, ns2.thephysicscafe.com |
| MX | 1 | bestphytuition.com (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
bestphytuition.com acts as its own mail server.
IP Addresses
bestphytuition.com points to a single IP number: 157.230.33.240.
Additional host names — thechemistrycafe.com, thechemcafe.com, themathscafe.com and two others — share IP numbers with bestphytuition.com.
Name Servers
Delegation for bestphytuition.com 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 bestphytuition.com and other domains — okh.com.sg, zenith.com.sg, vbforensics.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.
The hostnames ns1.oryon.net, ns2.oryon.net and ns3.oryon.net each resolve to a single IP: ns1.oryon.net → 13.213.162.30, ns2.oryon.net → 134.209.100.224, ns3.oryon.net → 139.59.234.177.
Mail Servers
bestphytuition.com has a single mail server: bestphytuition.com itself.
bestphytuition.com directs to just one IP number, 157.230.33.240.