cobsil.com - dns.ninja
cobsil.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 132.236.111.136🇺🇸 CORNELL-AS132.236.0.0/16 Cornell University Network Engineering Rhodes Hall, 757 136 Hoy Road Ithaca, NY 14853 | ||||||
| PTR | cobsil.com | ||||||
| NS | dns.cit.cornell.edu ⭐ | ||||||
| A | 192.35.82.53🇺🇸 CORNELL-AS192.35.82.0/24 Cornell University Network Engineering Rhodes Hall, 757 136 Hoy Road Ithaca, NY 14853 | ||||||
| PTR | dns.cit.cornell.edu | ||||||
| NS | bigred.cit.cornell.edu | ||||||
| A | 128.253.180.35🇺🇸 CORNELL-AS128.253.0.0/16 Cornell University Network Engineering Rhodes Hall, 757 136 Hoy Road Ithaca, NY 14853 | ||||||
| PTR | bigred.cit.cornell.edu | ||||||
| NS | cudns.cit.cornell.edu | ||||||
| A | 132.236.56.252🇺🇸 CORNELL-AS132.236.0.0/16 Cornell University Network Engineering Rhodes Hall, 757 136 Hoy Road Ithaca, NY 14853 | ||||||
| PTR | cudns.cit.cornell.edu | ||||||
| NS | drdns.cit.cornell.edu ⚠️ Not in parent delegation | ||||||
| A | 52.152.185.125🇺🇸 Microsoft52.152.0.0/13 MICROSOFT | ||||||
| NS | drdns2.cit.cornell.edu ⚠️ Not in parent delegation | ||||||
| A | 52.45.47.12🇺🇸 Amazon52.44.0.0/15 EC2 Region prefix | ||||||
| PTR | ec2-52-45-47-12.compute-1.amazonaws.com | ||||||
| SOA | dns.cit.cornell.edunsmaster@cornell.edu serial=3606281902 | ||||||
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=1782688830 | ||||||
PTR for
Subdomains
www.cobsil.com |
Same first word
Similar names
DNS History
6 records (6 active, 0 former)
●NSbigred.cit.cornell.edu2015-07-12 → 2026-06-28 · 2 obs
● 2026-06-28 23:22:04
●NScudns.cit.cornell.edu2015-07-12 → 2026-06-28 · 2 obs
● 2026-06-28 23:22:04
●NSdns.cit.cornell.edu2015-07-12 → 2026-06-28 · 2 obs
● 2026-06-28 23:22:04
●NSdrdns.cit.cornell.edu2015-07-12 → 2026-06-28 · 2 obs
● 2026-06-28 23:22:04
●NSdrdns2.cit.cornell.edu2017-02-05 → 2026-06-28 · 3 obs
● 2017-02-05 05:28:08
● 2026-06-28 23:22:04
●A132.236.111.1362015-07-12 → 2026-06-28 · 2 obs
● 2026-06-28 23:22:04
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, e.gtld-servers.net, d.gtld-servers.net, m.gtld-servers.net... | - |
| cobsil.com | bigred.cit.cornell.edu, cudns.cit.cornell.edu, dns.cit.cornell.edu | - |
✅ Authoritative Response
Server:132.236.56.252
NS records: bigred.cit.cornell.edu, cudns.cit.cornell.edu, dns.cit.cornell.edu
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cobsil.com (unsigned zone)
⏱️ Timing
Total: 316ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 132.236.111.136 |
| NS | 5 | drdns2.cit.cornell.edu, drdns.cit.cornell.edu... |
| SOA | 1 | dns.cit.cornell.edu nsmaster.cornell.edu |
Analysis
Hierarchy
cobsil.com is the parent zone for www.cobsil.com.
IP Addresses
cobsil.com directs to one IP number, which is 132.236.111.136.
Name Servers
The authoritative name servers for cobsil.com are bigred.cit.cornell.edu, cudns.cit.cornell.edu, dns.cit.cornell.edu and two others.
cobsil.com partially shares its NS delegation with several other domains, including builtbrooklyn.org, 122.232.205.in-addr.arpa, nestwatch.net and two others.
The name servers drdns.cit.cornell.edu, drdns2.cit.cornell.edu, ns1.qatar-med.cornell.edu and ns2.qatar-med.cornell.edu are often found in use alongside these name servers.
Hosts that resolve to one IP address:
bigred.cit.cornell.edu has the IP address 128.253.180.35.
cudns.cit.cornell.edu has the IP address 132.236.56.252.
dns.cit.cornell.edu has the IP address 192.35.82.53.
drdns2.cit.cornell.edu has the IP address 52.45.47.12.
drdns.cit.cornell.edu has the IP address 52.152.185.125.