commoncorestandardscience.com - robtex.com
commoncorestandardscience.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 20.168.238.159🇺🇸 Microsoft20.160.0.0/12 MICROSOFT | ||||||
| NS | ns-193.awsdns-24.com ⭐ | ||||||
| A | 2600:9000:5300:c100::1🇺🇸 Amazon2600:9000:5300::/48 - CloudFront | ||||||
| PTR | ns-193.awsdns-24.com | ||||||
| A | 205.251.192.193🇺🇸 Amazon205.251.192.0/24 prefix | ||||||
| PTR | ns-193.awsdns-24.com | ||||||
| NS | ns-1015.awsdns-62.net | ||||||
| A | 2600:9000:5303:f700::1🇺🇸 Amazon2600:9000:5303::/48 - CloudFront | ||||||
| PTR | ns-1015.awsdns-62.net | ||||||
| A | 205.251.195.247🇺🇸 Amazon205.251.195.0/24 prefix | ||||||
| PTR | ns-1015.awsdns-62.net | ||||||
| NS | ns-1391.awsdns-45.org | ||||||
| A | 2600:9000:5305:6f00::1🇺🇸 Amazon2600:9000:5305::/48 - CloudFront | ||||||
| PTR | ns-1391.awsdns-45.org | ||||||
| A | 205.251.197.111🇺🇸 Amazon205.251.197.0/24 prefix | ||||||
| PTR | ns-1391.awsdns-45.org | ||||||
| NS | ns-1651.awsdns-14.co.uk | ||||||
| A | 2600:9000:5306:7300::1🇺🇸 Amazon2600:9000:5306::/48 - CloudFront | ||||||
| PTR | ns-1651.awsdns-14.co.uk | ||||||
| A | 205.251.198.115🇺🇸 Amazon205.251.198.0/24 prefix | ||||||
| PTR | ns-1651.awsdns-14.co.uk | ||||||
| SOA | ns-193.awsdns-24.comawsdns-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=1774469607 | ||||||
Same first word
commoncorestandardscience.com |
DNS History
6 records (5 active, 1 former)
●NSns-1015.awsdns-62.net2015-06-22 → 2026-03-25 · 2 obs
● 2026-03-25 20:42:56
●NSns-1391.awsdns-45.org2015-06-22 → 2026-03-25 · 2 obs
● 2026-03-25 20:42:56
●NSns-1651.awsdns-14.co.uk2015-06-22 → 2026-03-25 · 2 obs
● 2026-03-25 20:42:56
●NSns-193.awsdns-24.com2015-06-22 → 2026-03-25 · 2 obs
● 2026-03-25 20:42:56
○A173.203.141.822015-06-22 → 2016-05-10 · 4 obs
● 2016-05-10 09:40:22
○ 2026-02-20 19:56:24
○ 2026-03-25 20:42:56
●A20.168.238.1592026-02-20 → 2026-03-25 · 3 obs
● 2026-02-20 19:56:24
● 2026-03-25 20:42:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | m.gtld-servers.net, c.gtld-servers.net, a.gtld-servers.net, i.gtld-servers.net... | - |
| commoncorestandardscience.com | ns-193.awsdns-24.com, ns-1015.awsdns-62.net, ns-1651.awsdns-14.co.uk, ns-1391.awsdns-45.org | 1 record |
✅ Authoritative Response
Server:205.251.198.115
NS records: ns-193.awsdns-24.com, ns-1015.awsdns-62.net, ns-1651.awsdns-14.co.uk, ns-1391.awsdns-45.org
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for commoncorestandardscience.com (unsigned zone)
⏱️ Timing
Total: 564ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 20.168.238.159 |
| NS | 4 | ns-1015.awsdns-62.net, ns-1391.awsdns-45.org... |
| SOA | 1 | ns-193.awsdns-24.com awsdns-hostmaster.a |
📌 Glue Records Collected
Total: 1
Out-of-bailiwick: 1 (ns-193.awsdns-24.com)
Analysis
IP Addresses
commoncorestandardscience.com points to a single IP number: 20.168.238.159.
Other host names, for instance i-readyclassroommathematics.com, curriculumassociates.co, curriculumassociates.us, iready.com and curriculumassociates.(0x787878) share IP numbers with commoncorestandardscience.com.
Name Servers
commoncorestandardscience.com is delegated to four name servers: ns-193.awsdns-24.com, ns-1015.awsdns-62.net, ns-1391.awsdns-45.org and ns-1651.awsdns-14.co.uk.
commoncorestandardscience.com at least partially shares name servers with other domains, for instance tula9mari.com, trendnetcloud.com, inel.ind.br, dpp-app.solutions and lightforceortho.com.
These name servers are commonly used alongside ns-902.awsdns-48.net, ns-1366.awsdns-42.org, ns-1908.awsdns-46.co.uk and ns-1032.awsdns-01.org.
Host names with two IP numbers:
ns-193.awsdns-24.com points to: 2600:9000:5300:c100::1 and 205.251.192.193.
ns-1015.awsdns-62.net points to: 2600:9000:5303:f700::1 and 205.251.195.247.
ns-1391.awsdns-45.org points to: 2600:9000:5305:6f00::1 and 205.251.197.111.
ns-1651.awsdns-14.co.uk points to: 2600:9000:5306:7300::1 and 205.251.198.115.