calculusii.com - robtex.com
calculusii.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 52.20.84.62🇺🇸 Amazon52.20.0.0/14 EC2 IAD prefix | ||||||
| PTR | ec2-52-20-84-62.compute-1.amazonaws.com | ||||||
| NS | ns1.squadhelp.com ⭐ | ||||||
| A | 52.201.79.206🇺🇸 Amazon52.200.0.0/13 EC2 IAD prefix | ||||||
| PTR | ec2-52-201-79-206.compute-1.amazonaws.com | ||||||
| NS | ns2.squadhelp.com | ||||||
| A | 52.23.148.124🇺🇸 Amazon52.20.0.0/14 EC2 IAD prefix | ||||||
| PTR | ec2-52-23-148-124.compute-1.amazonaws.com | ||||||
| TXT | f0095018235b8109a2bf9f65674a1784b6971ed6 | ||||||
| SOA | ns1.squadhelp.comhostmaster@calculusii.com 2025-11-04 #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=1774422097 | ||||||
Same first word
calculusii.com |
DNS History
9 records (3 active, 6 former)
○NSbuy.internettraffic.com2016-01-04 → 2016-04-01 · 4 obs
● 2016-04-01 08:41:30
○ 2017-10-10 05:47:42
○ 2026-03-25 07:11:04
●NSns1.squadhelp.com2026-03-08 → 2026-03-25 · 3 obs
● 2026-03-08 14:58:40
● 2026-03-25 07:11:04
○NSns1.uniregistrymarket.link2017-10-10 → 2017-10-10 · 4 obs
● 2017-10-10 05:47:42
○ 2026-03-08 14:58:40
○ 2026-03-25 07:11:04
●NSns2.squadhelp.com2026-03-08 → 2026-03-25 · 3 obs
● 2026-03-08 14:58:40
● 2026-03-25 07:11:04
○NSns2.uniregistrymarket.link2017-10-10 → 2017-10-10 · 4 obs
● 2017-10-10 05:47:42
○ 2026-03-08 14:58:40
○ 2026-03-25 07:11:04
○NSsell.internettraffic.com2016-01-04 → 2016-04-01 · 4 obs
● 2016-04-01 08:41:30
○ 2017-10-10 05:47:42
○ 2026-03-25 07:11:04
●A52.20.84.622026-03-08 → 2026-03-25 · 3 obs
● 2026-03-08 14:58:40
● 2026-03-25 07:11:04
○A69.172.201.1532017-10-10 → 2017-10-10 · 4 obs
● 2017-10-10 05:47:42
○ 2026-03-08 14:58:40
○ 2026-03-25 07:11:04
○A69.172.201.2082016-01-04 → 2016-04-01 · 4 obs
● 2016-04-01 08:41:30
○ 2017-10-10 05:47:42
○ 2026-03-25 07:11:04
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | j.gtld-servers.net, f.gtld-servers.net, b.gtld-servers.net, l.gtld-servers.net... | - |
| calculusii.com | ns1.squadhelp.com, ns2.squadhelp.com | 2 records |
✅ Authoritative Response
Server:52.201.79.206
NS records: ns1.squadhelp.com, ns2.squadhelp.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for calculusii.com (unsigned zone)
⏱️ Timing
Total: 87ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 52.20.84.62 |
| NS | 2 | ns1.squadhelp.com, ns2.squadhelp.com |
| TXT | 1 | f0095018235b8109a2bf9f65674a1784b6971ed6 |
| SOA | 1 | ns1.squadhelp.com hostmaster.calculusii. |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1.squadhelp.com, ns2.squadhelp.com)
Analysis
IP Addresses
calculusii.com points to a single IP: 52.20.84.62.
Other host names, for instance loris.us, polul.com, quakealarm.com, decoluz.com and cobrik.com share IP numbers with calculusii.com.
Name Servers
Two name servers ns1.squadhelp.com and ns2.squadhelp.com handle delegation for calculusii.com.
calculusii.com uses the same name server setup as other domains, for example bionycs.com, digitaldreamco.com, oyalounge.com, nooknew.com and zestbook.com.
calculusii.com shares name servers with other domains at least partially, for instance mmich.com, hdye.com and divinegoals.com.
These name servers are often used with the name servers ns1.dan.com and ns2.dan.com.
Host names with one IP number: The host name ns1.squadhelp.com points to 52.201.79.206 and the host name ns2.squadhelp.com points to 52.23.148.124.