calcstacks.com - robtex.com
calcstacks.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 3.171.85.54🇺🇸 Amazon3.171.84.0/22 | ||||||
| PTR | server-3-171-85-54.iad89.r.cloudfront.net | ||||||
| A | 3.171.85.69🇺🇸 Amazon3.171.84.0/22 | ||||||
| A | 3.171.85.78🇺🇸 Amazon3.171.84.0/22 | ||||||
| A | 3.171.85.127🇺🇸 Amazon3.171.84.0/22 | ||||||
| NS | ns-1312.awsdns-36.org ⭐ | ||||||
| A | 2600:9000:5305:2000::1🇺🇸 Amazon2600:9000:5305::/48 - CloudFront | ||||||
| PTR | ns-1312.awsdns-36.org | ||||||
| A | 205.251.197.32🇺🇸 Amazon205.251.197.0/24 prefix | ||||||
| PTR | ns-1312.awsdns-36.org | ||||||
| NS | ns-1720.awsdns-23.co.uk | ||||||
| A | 2600:9000:5306:b800::1🇺🇸 Amazon2600:9000:5306::/48 - CloudFront | ||||||
| PTR | ns-1720.awsdns-23.co.uk | ||||||
| A | 205.251.198.184🇺🇸 Amazon205.251.198.0/24 prefix | ||||||
| PTR | ns-1720.awsdns-23.co.uk | ||||||
| NS | ns-84.awsdns-10.com | ||||||
| A | 2600:9000:5300:5400::1🇺🇸 Amazon2600:9000:5300::/48 - CloudFront | ||||||
| PTR | ns-84.awsdns-10.com | ||||||
| A | 205.251.192.84🇺🇸 Amazon205.251.192.0/24 prefix | ||||||
| PTR | ns-84.awsdns-10.com | ||||||
| NS | ns-879.awsdns-45.net | ||||||
| A | 2600:9000:5303:6f00::1🇺🇸 Amazon2600:9000:5303::/48 - CloudFront | ||||||
| PTR | ns-879.awsdns-45.net | ||||||
| A | 205.251.195.111🇺🇸 Amazon205.251.195.0/24 prefix | ||||||
| PTR | ns-879.awsdns-45.net | ||||||
| SOA | ns-1312.awsdns-36.orgawsdns-hostmaster@amazon.com serial=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=1771291435 | ||||||
Same first word
calcstacks.com |
DNS History
8 records (8 active, 0 former)
●NSns-1312.awsdns-36.org2026-03-09 → 2026-03-10 · 2 obs
● 2026-03-10 05:29:00
●NSns-1720.awsdns-23.co.uk2026-03-09 → 2026-03-10 · 2 obs
● 2026-03-10 05:29:00
●NSns-84.awsdns-10.com2026-03-09 → 2026-03-10 · 2 obs
● 2026-03-10 05:29:00
●NSns-879.awsdns-45.net2026-03-09 → 2026-03-10 · 2 obs
● 2026-03-10 05:29:00
●A3.171.85.1272026-03-09 → 2026-03-10 · 2 obs
● 2026-03-10 05:29:00
●A3.171.85.542026-03-09 → 2026-03-10 · 2 obs
● 2026-03-10 05:29:00
●A3.171.85.692026-03-09 → 2026-03-10 · 2 obs
● 2026-03-10 05:29:00
●A3.171.85.782026-03-09 → 2026-03-10 · 2 obs
● 2026-03-10 05:29:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, b.gtld-servers.net, d.gtld-servers.net, c.gtld-servers.net... | - |
| calcstacks.com | ns-84.awsdns-10.com, ns-879.awsdns-45.net, ns-1720.awsdns-23.co.uk, ns-1312.awsdns-36.org | 1 record |
✅ Authoritative Response
Server: 205.251.198.184
NS records: ns-84.awsdns-10.com, ns-879.awsdns-45.net, ns-1720.awsdns-23.co.uk, ns-1312.awsdns-36.org
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for calcstacks.com (unsigned zone)
⏱️ Timing
Total: 321ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 4 | 3.171.85.127, 3.171.85.78... |
| NS | 4 | ns-1312.awsdns-36.org, ns-1720.awsdns-23.co.uk... |
| SOA | 1 | ns-1312.awsdns-36.org awsdns-hostmaster. |
📌 Glue Records Collected
Total: 1
Out-of-bailiwick: 1 (ns-84.awsdns-10.com)
Analysis
IP Addresses
calcstacks.com points to four IP numbers: 3.171.85.54, 3.171.85.69, 3.171.85.78 and 3.171.85.127.
Other host names, for instance d3uy5jyu6bqj34.cloudfront.net, yvonnemaloney.com, blockstation.com, underdogma.net and wholeplanetfoundation.org share IP numbers with calcstacks.com.
Name Servers
calcstacks.com is delegated to four name servers: ns-84.awsdns-10.com, ns-879.awsdns-45.net, ns-1312.awsdns-36.org and ns-1720.awsdns-23.co.uk.
calcstacks.com at least partially shares name servers with other domains, for instance d4x0qgd0rhsgl.cloudfront.net, lttlmx.com, ginsuiso.co.jp, aurumproptech.in and progress.cloud.
these name servers are commonly used with ns-219.awsdns-27.com, ns-706.awsdns-24.net and ns-1682.awsdns-18.co.uk.
Host names with two IP numbers:
ns-84.awsdns-10.com points to: 2600:9000:5300:5400::1 and 205.251.192.84.
ns-879.awsdns-45.net points to: 2600:9000:5303:6f00::1 and 205.251.195.111.
ns-1312.awsdns-36.org points to: 2600:9000:5305:2000::1 and 205.251.197.32.
ns-1720.awsdns-23.co.uk points to: 2600:9000:5306:b800::1 and 205.251.198.184.