calculatorschool.com - robtex.com
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calculatorschool.com
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=1770918430 | ||||||
Same first word
calculatorschool.com |
DNS History
14 records (11 active, 3 former)
●NSnash.ns.cloudflare.com2026-02-15 → 2026-02-15 · 2 obs
● 2026-02-15 18:19:32
○NSns41.domaincontrol.com2020-01-17 → 2020-01-17 · 2 obs
○ 2026-02-15 18:19:32
○NSns42.domaincontrol.com2020-01-17 → 2020-01-17 · 2 obs
○ 2026-02-15 18:19:32
●NStina.ns.cloudflare.com2026-02-15 → 2026-02-15 · 2 obs
● 2026-02-15 18:19:32
●MXmx1.emailsrvr.com2026-02-15 → 2026-02-15 · 1 obs
●MXmx2.emailsrvr.com2026-02-15 → 2026-02-15 · 1 obs
●A104.21.42.262026-02-15 → 2026-02-15 · 2 obs
● 2026-02-15 18:19:32
●A172.67.199.662026-02-15 → 2026-02-15 · 2 obs
● 2026-02-15 18:19:32
●A2606:4700:3035::6815:2a1a2026-02-15 → 2026-02-15 · 2 obs
● 2026-02-15 18:19:32
●A2606:4700:3035::ac43:c7422026-02-15 → 2026-02-15 · 2 obs
● 2026-02-15 18:19:32
○A50.63.202.482020-01-17 → 2020-01-17 · 2 obs
○ 2026-02-15 18:19:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| calculatorschool.com | tina.ns.cloudflare.com, nash.ns.cloudflare.com | - |
✅ Authoritative Response
Server: 108.162.192.230
NS records: tina.ns.cloudflare.com, nash.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for calculatorschool.com (unsigned zone)
⏱️ Timing
Total: 37ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.42.26, 172.67.199.66 |
| AAAA | 2 | 2606:4700:3035::ac43:c742, 2606:4700:3035::6815:2a1a |
| NS | 2 | nash.ns.cloudflare.com, tina.ns.cloudflare.com |
| MX | 5 | mx.zoho.com (pri: 10), mx1.emailsrvr.com (pri: 10)... |
| TXT | 6 | 956252f4eb602ea3ec2c24d6d69a3b4c4a6d1ed6, d6942b29761b1ac291f24055260dc6ceb5d31ed6... |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | nash.ns.cloudflare.com dns.cloudflare.co |
AI analysis
calculatorschool.com resolves to four IPs: 2606:4700:3035::6815:2a1a, 2606:4700:3035::ac43:c742, 104.21.42.26 and 172.67.199.66.
Other host names such as f4re1a.com, swmusic.xyz.cdn.cloudflare.net, below-seven.com, www.soundsgoodstereofl.com and playitviral.com share IP numbers with calculatorschool.com.
calculatorschool.com is delegated to two name servers: nash.ns.cloudflare.com and tina.ns.cloudflare.com.
calculatorschool.com uses the same name server setup as other domains, including afro.com, allmath.com, jpgtotext.com, ecalculator.co and imagetotext.info.
At least part of the name servers for calculatorschool.com are shared with other domains, for instance solocal.com, huskytape.com.au, btu.ac.in, dpreview.cn and swordsswords.com.
These name servers are commonly used with aspen.ns.cloudflare.com, cosmin.ns.cloudflare.com, donna.ns.cloudflare.com and dan.ns.cloudflare.com.
Host names with six IP numbers:
nash.ns.cloudflare.com points to: 2606:4700:58::adf5:3bd1, 2803:f800:50::6ca2:c1d1, 2a06:98c1:50::ac40:21d1, 108.162.193.209, 172.64.33.209 and 173.245.59.209.
tina.ns.cloudflare.com points to: 2606:4700:50::adf5:3ae6, 2803:f800:50::6ca2:c0e6, 2a06:98c1:50::ac40:20e6, 108.162.192.230, 172.64.32.230 and 173.245.58.230.
calculatorschool.com is handled by five mail servers: mx1.emailsrvr.com, mx2.emailsrvr.com, mx2.zoho.com, mx3.zoho.com and mx.zoho.com.
calculatorschool.com shares at least some mail servers with other domains, for example digmarketer.com, aakanksh.com, highperformance360.com, andatech.com and countrysideoshkosh.com.
Host names with two IPs:
mx.zoho.com points to 204.141.33.44 and 204.141.43.44.
Host names with one IP:
mx1.emailsrvr.com points to 146.20.161.1.
mx2.emailsrvr.com points to 173.203.187.2.
mx2.zoho.com points to 204.141.33.44.
mx3.zoho.com points to 204.141.43.44.
Host names that point to 204.141.33.44: mx.zoho.com and mx2.zoho.com.
Host names that point to 204.141.43.44: mx.zoho.com and mx3.zoho.com.