openclassboard.com - robtex.com
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openclassboard.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 3.171.100.8🇺🇸 Amazon | ||||||
| PTR | server-3-171-100-8.iad12.r.cloudfront.net | ||||||
| A | 3.171.100.18🇺🇸 Amazon | ||||||
| A | 3.171.100.26🇺🇸 Amazon | ||||||
| A | 3.171.100.119🇺🇸 Amazon | ||||||
| NS | ns-349.awsdns-43.com ⭐ | ||||||
| A | 2600:9000:5301:5d00::1🇺🇸 Amazon | ||||||
| PTR | ns-349.awsdns-43.com | ||||||
| A | 205.251.193.93🇺🇸 Amazon | ||||||
| PTR | ns-349.awsdns-43.com | ||||||
| NS | ns-1239.awsdns-26.org | ||||||
| A | 2600:9000:5304:d700::1🇺🇸 Amazon | ||||||
| PTR | ns-1239.awsdns-26.org | ||||||
| A | 205.251.196.215🇺🇸 Amazon | ||||||
| PTR | ns-1239.awsdns-26.org | ||||||
| NS | ns-1682.awsdns-18.co.uk | ||||||
| A | 2600:9000:5306:9200::1🇺🇸 Amazon | ||||||
| PTR | ns-1682.awsdns-18.co.uk | ||||||
| A | 205.251.198.146🇺🇸 Amazon | ||||||
| PTR | ns-1682.awsdns-18.co.uk | ||||||
| NS | ns-649.awsdns-17.net | ||||||
| A | 2600:9000:5302:8900::1🇺🇸 Amazon | ||||||
| PTR | ns-649.awsdns-17.net | ||||||
| A | 205.251.194.137🇺🇸 Amazon | ||||||
| PTR | ns-649.awsdns-17.net | ||||||
| SOA | ns-349.awsdns-43.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=1771274640 | ||||||
Similar names
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| openclassboard.com | ns-649.awsdns-17.net, ns-349.awsdns-43.com, ns-1682.awsdns-18.co.uk, ns-1239.awsdns-26.org | 1 record |
✅ Authoritative Response
Server: 205.251.194.137
NS records: ns-649.awsdns-17.net, ns-349.awsdns-43.com, ns-1682.awsdns-18.co.uk, ns-1239.awsdns-26.org
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for openclassboard.com (unsigned zone)
⏱️ Timing
Total: 429ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 4 | 3.171.100.8, 3.171.100.26... |
| NS | 4 | ns-1239.awsdns-26.org, ns-1682.awsdns-18.co.uk... |
| SOA | 1 | ns-349.awsdns-43.com awsdns-hostmaster.a |
📌 Glue Records Collected
Total: 1
Out-of-bailiwick: 1 (ns-349.awsdns-43.com)
AI analysis
openclassboard.com points to four IP numbers: 3.171.100.8, 3.171.100.18, 3.171.100.26 and 3.171.100.119.
Other host names, for instance www.californiaaccidentattorneysblog.com, zeislaw.com, anderssonreyna.com, d2clvpisgkpp3o.cloudfront.net and d1ioohwzasqb40.cloudfront.net share IP numbers with openclassboard.com.
openclassboard.com is delegated to four name servers: ns-349.awsdns-43.com, ns-649.awsdns-17.net, ns-1239.awsdns-26.org and ns-1682.awsdns-18.co.uk.
openclassboard.com at least partially shares its name servers with other domains, for instance nodeinfravalidators.com, manabot.com, dan244gnmmlpv.cloudfront.net, colombiadecide.com.co and nealm.dev.
These name servers are commonly used with ns-219.awsdns-27.com, ns-706.awsdns-24.net, ns-1312.awsdns-36.org, ns-88.awsdns-11.com, ns-1525.awsdns-62.org, ns-1797.awsdns-32.co.uk, ns-1818.awsdns-35.co.uk, ns-1129.awsdns-13.org, ns-870.awsdns-44.net and ns-1184.awsdns-20.org.
Host names with two IPs: ns-349.awsdns-43.com points to 2600:9000:5301:5d00::1 and 205.251.193.93; ns-649.awsdns-17.net points to 2600:9000:5302:8900::1 and 205.251.194.137; ns-1239.awsdns-26.org points to 2600:9000:5304:d700::1 and 205.251.196.215; ns-1682.awsdns-18.co.uk points to 2600:9000:5306:9200::1 and 205.251.198.146.