themathscafe.com - robtex.com
themathscafe.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 | ||||||
| MX | themathscafe.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 #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=1786773684 | ||||||
MX for
themathscafe.com |
Same first word
themathscafe.com |
DNS History
10 records (6 active, 4 former)
●NSns1.thephysicscafe.com2026-06-15 → 2026-08-15 · 3 obs
● 2026-06-15 18:06:24
● 2026-08-15 06:29:24
●NSns2.thephysicscafe.com2026-06-15 → 2026-08-15 · 3 obs
● 2026-06-15 18:06:24
● 2026-08-15 06:29:24
○NSns3.oryon.net2016-02-01 → 2018-11-20 · 5 obs
● 2016-02-01 03:32:48
● 2018-11-20 03:33:06
○ 2026-06-15 18:06:24
○ 2026-08-15 06:29:24
●MXthemathscafe.com2015-06-11 → 2026-08-15 · 2 obs
● 2026-08-15 06:29:24
●A157.230.33.2402026-06-15 → 2026-08-15 · 3 obs
● 2026-06-15 18:06:24
● 2026-08-15 06:29:24
○A180.210.204.1412015-06-11 → 2016-04-29 · 4 obs
● 2016-04-29 16:00:54
○ 2017-01-29 15:04:46
○ 2026-08-15 06:29:24
○A180.210.204.2302017-01-29 → 2017-01-29 · 4 obs
● 2017-01-29 15:04:46
○ 2018-11-20 03:33:06
○ 2026-08-15 06:29:24
○A206.189.38.2452018-11-20 → 2018-11-20 · 4 obs
● 2018-11-20 03:33:06
○ 2026-06-15 18:06:24
○ 2026-08-15 06:29:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| themathscafe.com | ns1.oryon.net, ns2.oryon.net | - |
✅ Authoritative Response
Server:13.213.162.30
NS records: ns1.oryon.net, ns2.oryon.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for themathscafe.com (unsigned zone)
⏱️ Timing
Total: 610ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 157.230.33.240 |
| NS | 2 | ns2.thephysicscafe.com, ns1.thephysicscafe.com |
| MX | 1 | themathscafe.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
themathscafe.com acts as its own mail server.
IP Addresses
themathscafe.com points to a single IP number: 157.230.33.240.
Additional host names — physicscafe.com.sg, host2.thephysicscafe.com, econscafe.com and two others — share IP numbers with themathscafe.com.
Name Servers
themathscafe.com has four authoritative name servers: ns1.thephysicscafe.com, ns2.thephysicscafe.com, ns1.oryon.net and ns2.oryon.net.
themathscafe.com partially shares its NS delegation with several other domains, including sinseh.sg, treywong.com, itrack.com.sg and two others.
These name servers regularly co-occur with the name servers ns3.oryon.net, ns3.kom.sg and ns4.kom.sg.
ns1.oryon.net resolves to 13.213.162.30. ns2.oryon.net resolves to 134.209.100.224. Both host names point to a single IP number.
Mail Servers
themathscafe.com has a single mail server: themathscafe.com itself.
themathscafe.com points to one IP number — 157.230.33.240.