cosuaa.org - robtex.com
cosuaa.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 18.220.149.166🇺🇸 Amazon18.220.0.0/14 EC2 CMH prefix | ||||||
| PTR | web.illinois.edu | ||||||
| NS | ipam1.techservices.illinois.edu ⭐ | ||||||
| A | 192.17.172.64🇺🇸 ASN-UIUC192.17.0.0/16 BTAA_Illinois | ||||||
| PTR | ipam1.techservices.illinois.edu | ||||||
| NS | dns1.illinois.edu | ||||||
| A | 2620:0:e00:b::53🇺🇸 ASN-UIUC2620:0:e00::/48 BTAA_Illinois | ||||||
| PTR | dns1.illinois.edu | ||||||
| A | 130.126.2.100🇺🇸 ASN-UIUC130.126.0.0/16 BTAA_Illinois | ||||||
| PTR | dns1.illinois.edu | ||||||
| NS | dns2.illinois.edu | ||||||
| A | 2620:0:e00:c::53🇺🇸 ASN-UIUC2620:0:e00::/48 BTAA_Illinois | ||||||
| PTR | dns2.illinois.edu | ||||||
| A | 130.126.2.120🇺🇸 ASN-UIUC130.126.0.0/16 BTAA_Illinois | ||||||
| PTR | dns2.illinois.edu | ||||||
| NS | dns3.illinois.edu | ||||||
| A | 2600:1f16:8b2:2e53::53🇺🇸 Amazon2600:1f16:800::/38 AMAZON AWS | ||||||
| PTR | dns3.illinois.edu | ||||||
| A | 3.16.92.183🇺🇸 Amazon3.16.0.0/14 EC2 CMH prefix | ||||||
| PTR | dns3.illinois.edu | ||||||
| SOA | ipam1.techservices.illinois.edudns-admin@illinois.edu serial=3 | ||||||
org
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation | ||||||
| NS | a2.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | b0.org.afilias-nst.org | ||||||
| NS | b2.org.afilias-nst.org | ||||||
| NS | c0.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | d0.org.afilias-nst.org | ||||||
| SOA | a0.org.afilias-nst.infohostmaster@donuts.email serial=1778663186 | ||||||
Subdomains
www.cosuaa.org |
Same first word
cosuaa.org |
Similar names
DNS History
11 records (5 active, 6 former)
●NSdns1.illinois.edu2026-04-30 → 2026-05-13 · 3 obs
● 2026-04-30 07:18:36
● 2026-05-13 09:33:12
●NSdns2.illinois.edu2026-04-30 → 2026-05-13 · 3 obs
● 2026-04-30 07:18:36
● 2026-05-13 09:33:12
●NSdns3.illinois.edu2026-04-30 → 2026-05-13 · 3 obs
● 2026-04-30 07:18:36
● 2026-05-13 09:33:12
●NSipam1.techservices.illinois.edu2026-04-30 → 2026-05-13 · 3 obs
● 2026-04-30 07:18:36
● 2026-05-13 09:33:12
○NSns41.domaincontrol.com2015-06-30 → 2018-08-26 · 4 obs
● 2018-08-26 08:50:02
○ 2026-04-30 07:18:36
○ 2026-05-13 09:33:12
○NSns42.domaincontrol.com2015-06-30 → 2018-08-26 · 4 obs
● 2018-08-26 08:50:02
○ 2026-04-30 07:18:36
○ 2026-05-13 09:33:12
○MXmailstore1.secureserver.net2015-06-30 → 2018-08-26 · 4 obs
● 2018-08-26 08:50:02
○ 2026-04-30 07:18:36
○ 2026-05-13 09:33:12
○MXsmtp.secureserver.net2015-06-30 → 2018-08-26 · 4 obs
● 2018-08-26 08:50:02
○ 2026-04-30 07:18:36
○ 2026-05-13 09:33:12
●A18.220.149.1662026-04-30 → 2026-05-13 · 3 obs
● 2026-04-30 07:18:36
● 2026-05-13 09:33:12
○A184.168.235.12015-06-30 → 2016-04-30 · 4 obs
● 2016-04-30 19:41:06
○ 2017-01-10 06:40:56
○ 2026-05-13 09:33:12
○A184.168.235.352017-01-10 → 2018-08-26 · 5 obs
● 2017-01-10 06:40:56
● 2018-08-26 08:50:02
○ 2026-04-30 07:18:36
○ 2026-05-13 09:33:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b2.org.afilias-nst.org, d0.org.afilias-nst.org, b0.org.afilias-nst.org | - |
| cosuaa.org | dns1.illinois.edu, dns2.illinois.edu, dns3.illinois.edu | - |
✅ Authoritative Response
Server:130.126.2.100
NS records: dns1.illinois.edu, dns2.illinois.edu, dns3.illinois.edu
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cosuaa.org (unsigned zone)
⏱️ Timing
Total: 1584ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 18.220.149.166 |
| NS | 3 | dns1.illinois.edu, dns2.illinois.edu... |
| SOA | 1 | ipam1.techservices.illinois.edu dns-admi |
Analysis
Hierarchy
cosuaa.org is the parent of www.cosuaa.org.
IP Addresses
cosuaa.org resolves to one IP number: 18.220.149.166.
other host names including ahs.illinois.edu, give.illinois.edu, registrar.illinois.edu, isgs.illinois.edu and dres.illinois.edu share IP numbers with cosuaa.org.
Name Servers
cosuaa.org is delegated to four name servers: dns1.illinois.edu, dns2.illinois.edu, dns3.illinois.edu and ipam1.techservices.illinois.edu.
cosuaa.org at least partially shares name servers with other domains, for instance soydiseases.uiuc.edu, 186.22.64.in-addr.arpa, 41.17.192.in-addr.arpa, illinoiseitraining.org and hcd.uiuc.edu.
These name servers are commonly used alongside uicdns1.admin.uillinois.edu and uiucdns1.admin.uillinois.edu.
Host names with two IP numbers:
dns1.illinois.edu points to 2620:0:e00:b::53 and 130.126.2.100.
dns2.illinois.edu points to 2620:0:e00:c::53 and 130.126.2.120.
dns3.illinois.edu points to 2600:1f16:8b2:2e53::53 and 3.16.92.183.
Host names with one IP number:
ipam1.techservices.illinois.edu points to 192.17.172.64.