columbia-elearning.com - robtex.com
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columbia-elearning.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=1770724107 | ||||||
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| columbia-elearning.com | pdns3.ultradns.org, pdns4.ultradns.org, pdns1.ultradns.net, pdns2.ultradns.net... | - |
✅ Authoritative Response
Server: 204.74.108.1
NS records: pdns3.ultradns.org, pdns4.ultradns.org, pdns1.ultradns.net, pdns2.ultradns.net, pdns5.ultradns.info, pdns6.ultradns.co.uk
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for columbia-elearning.com (unsigned zone)
⏱️ Timing
Total: 3020ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 4 | 13.33.109.115, 13.33.109.95... |
| AAAA | 8 | 2600:9000:200b:c400:c:bf9f:e180:93a1, 2600:9000:200b:1200:c:bf9f:e180:93a1... |
| NS | 6 | pdns1.ultradns.net, pdns2.ultradns.net... |
| SOA | 1 | pdns1.ultradns.net jspiegel.columbia.com |
AI analysis
columbia-elearning.com points to 12 IP numbers: 2600:9000:200b:1200:c:bf9f:e180:93a1, 2600:9000:200b:1a00:c:bf9f:e180:93a1, 2600:9000:200b:2800:c:bf9f:e180:93a1, 2600:9000:200b:6000:c:bf9f:e180:93a1, 2600:9000:200b:6c00:c:bf9f:e180:93a1, 2600:9000:200b:c400:c:bf9f:e180:93a1, 2600:9000:200b:ca00:c:bf9f:e180:93a1, 2600:9000:200b:e800:c:bf9f:e180:93a1, 52.85.31.8, 52.85.31.70, 52.85.31.89 and 52.85.31.104.
Other host names including abeicoraaaaaaaamet5lc2vowpbb2.shard-1-na-reg.dash.pv-cdn.net, www.lanxchange.com, onepassword.com, olibondo.quickconnect.to and alifyasa.com share IP numbers with columbia-elearning.com.
columbia-elearning.com is delegated to six name servers: pdns5.ultradns.info, pdns1.ultradns.net, pdns2.ultradns.net, pdns3.ultradns.org, pdns4.ultradns.org and pdns6.ultradns.co.uk.
columbia-elearning.com at least partially shares name servers with other domains, including adchannel.co.kr, scandal.com, wjso.com, 169.172.199.in-addr.arpa and 230.175.198.in-addr.arpa.
These name servers are commonly used with the name servers udns1.ultradns.netudns2.ultradns.netx1.amazonaws.comx2.amazonaws.comx3.amazonaws.org and x4.amazonaws.org.
Host names with two IP numbers:
Host pdns5.ultradns.info points to 2610:a1:1016::1 and 204.74.114.1
Host pdns1.ultradns.net points to 2001:502:f3ff::1 and 204.74.108.1
Host pdns2.ultradns.net points to 2610:a1:1014::1 and 204.74.109.1
Host pdns3.ultradns.org points to 2610:a1:1015::1 and 199.7.68.1
Host pdns4.ultradns.org points to 2001:502:4612::1 and 199.7.69.1
Host pdns6.ultradns.co.uk points to 2610:a1:1017::1 and 204.74.115.1