uc2b.org - robtex.com
uc2b.org
| DNSSEC | ⚠️ Not signed | ||||||
| NS | dns1.illinois.edu ⚠️ Not in zone NS records | ||||||
| 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 ⚠️ Not in zone NS records | ||||||
| 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 ⚠️ Not in zone NS records | ||||||
| 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 | ||||||
| NS | ns1.uc2b.net ⚠️ Not in zone NS records | ||||||
| NS | ns2.uc2b.net ⚠️ Not in zone NS records | ||||||
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=1785211565 | ||||||
Same first word
Similar names
DNS History
8 records (5 active, 3 former)
●NSdns1.illinois.edu2015-07-24 → 2026-07-28 · 2 obs
● 2026-07-28 04:13:38
●NSdns2.illinois.edu2015-07-24 → 2026-07-28 · 2 obs
● 2026-07-28 04:13:38
●NSdns3.illinois.edu2015-07-24 → 2026-07-28 · 2 obs
● 2026-07-28 04:13:38
○MXmailstore1.secureserver.net2015-07-24 → 2017-05-16 · 4 obs
● 2017-05-16 03:32:48
○ 2026-06-29 12:20:16
○ 2026-07-28 04:13:38
○MXsmtp.secureserver.net2015-07-24 → 2017-05-16 · 4 obs
● 2017-05-16 03:32:48
○ 2026-06-29 12:20:16
○ 2026-07-28 04:13:38
○A68.178.232.1002015-07-24 → 2017-05-16 · 4 obs
● 2017-05-16 03:32:48
○ 2026-06-29 12:20:16
○ 2026-07-28 04:13:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org | - |
| uc2b.org | ns2.uc2b.net, ns1.uc2b.net, dns1.illinois.edu, dns2.illinois.edu... | - |
✅ Authoritative Response
Server:130.126.2.100
NS records: ns2.uc2b.net, ns1.uc2b.net, dns1.illinois.edu, dns2.illinois.edu, dns3.illinois.edu
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for uc2b.org (unsigned zone)
⏱️ Timing
Total: 425ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|
Analysis
Name Servers
Delegation for uc2b.org is to five name servers: dns1.illinois.edu, dns2.illinois.edu, dns3.illinois.edu and two others.
At least some of uc2b.org's name servers are shared with other domains, for example 212.174.128.in-addr.arpa, cote.illinois.edu, 66.126.130.in-addr.arpa and two more.
These name servers are frequently paired with the name servers ipam1.techservices.illinois.edu, uicdns1.admin.uillinois.edu, uiucdns1.admin.uillinois.edu and two others.
dns1.illinois.edu, dns2.illinois.edu and dns3.illinois.edu are three hostnames that each resolve to a pair of IP addresses: dns1.illinois.edu to 130.126.2.100 and 2620:0:e00:b::53, dns2.illinois.edu to 130.126.2.120 and 2620:0:e00:c::53, and dns3.illinois.edu to 3.16.92.183 and 2600:1f16:8b2:2e53::53.