mathnotes.io - robtex.com
mathnotes.io
| DNSSEC | ⚠️ Not signed | ||||||
| A | 216.198.79.1🇺🇸 Amazon216.198.79.0/24 EC2 Prefix | ||||||
| NS | dns1.registrar-servers.com ⭐ | ||||||
| A | 2610:a1:1024::200🇺🇸 MAINT-ID-120082610:a1:1024::/48 Neustar | ||||||
| PTR | dns1.namecheaphosting.com | ||||||
| PTR | dns1.registrar-servers.com | ||||||
| A | 156.154.132.200🇺🇸 MAINT-ID-12008156.154.132.0/24 Neustar | ||||||
| PTR | dns1.namecheaphosting.com | ||||||
| PTR | dns1.registrar-servers.com | ||||||
| NS | dns2.registrar-servers.com | ||||||
| A | 2610:a1:1025::200🇺🇸 MAINT-ID-120082610:a1:1025::/48 Neustar | ||||||
| PTR | dns2.namecheaphosting.com | ||||||
| PTR | dns2.registrar-servers.com | ||||||
| A | 156.154.133.200🇺🇸 MAINT-ID-12008156.154.133.0/24 Neustar | ||||||
| PTR | dns2.namecheaphosting.com | ||||||
| PTR | dns2.registrar-servers.com | ||||||
| TXT | google-site-verification=Jcv8x5WcmXHeoBCenvtcJfS32xPaJV7PMUqPwlE6-vw | ||||||
| SOA | dns1.registrar-servers.comhostmaster@registrar-servers.com serial=1768246427 | ||||||
io
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.nic.io ⭐ | ||||||
| NS | a2.nic.io | ||||||
| NS | b0.nic.io | ||||||
| NS | c0.nic.io | ||||||
| SOA | a0.nic.iohostmaster@donuts.email serial=1789509829 | ||||||
Same first word
Similar names
Previous names
Next names
DNS History
3 records (3 active, 0 former)
●NSdns1.registrar-servers.com2026-09-05 → 2026-09-15 · 2 obs
● 2026-09-15 22:25:24
●NSdns2.registrar-servers.com2026-09-05 → 2026-09-15 · 2 obs
● 2026-09-15 22:25:24
●A216.198.79.12026-09-05 → 2026-09-15 · 2 obs
● 2026-09-15 22:25:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| io | a0.nic.io, a2.nic.io, b0.nic.io, c0.nic.io | - |
| mathnotes.io | dns2.registrar-servers.com, dns1.registrar-servers.com | - |
✅ Authoritative Response
Server:156.154.132.200
NS records: dns2.registrar-servers.com, dns1.registrar-servers.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for mathnotes.io (unsigned zone)
⏱️ Timing
Total: 377ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 216.198.79.1 |
| NS | 2 | dns1.registrar-servers.com, dns2.registrar-servers.com |
| TXT | 1 | google-site-verification=Jcv8x5WcmXHeoBC |
| SOA | 1 | dns1.registrar-servers.com hostmaster.re |
Analysis
IP Addresses
mathnotes.io directs to one IP number, which is 216.198.79.1.
Among the host names that share IP numbers with mathnotes.io are supahandi.com, thecourtdirect.com, designideas.ai and two others.
Name Servers
Two name servers handle the delegation for mathnotes.io: dns1.registrar-servers.com and dns2.registrar-servers.com.
mathnotes.io has the same name server delegation as a number of other domains, such as luntraai.com, easyabridge.com, thisedition.fr and two more.
dns1.registrar-servers.com and dns2.registrar-servers.com both carry two IP addresses. The A records for dns1.registrar-servers.com are 156.154.132.200 and 2610:a1:1024::200; the A records for dns2.registrar-servers.com are 156.154.133.200 and 2610:a1:1025::200.