isp.state.il.us - robtex.com
isp.state.il.us
| DNSSEC | ⚠️ Not signed | ||||||
| A | 163.191.228.50🇺🇸 ILLINOIS-CENTURY-NETWORK163.191.224.0/19 State of IL CMS | ||||||
| PTR | isp.state.il.us | ||||||
| PTR | www.isp.state.il.us | ||||||
| NS | ddi1.illinois.gov ⭐ | ||||||
| A | 10.155.250.100 | ||||||
| NS | ns1.state.il.us ⚠️ Not in parent delegation | ||||||
| A | 163.191.155.5🇺🇸 ILLINOIS-CENTURY-NETWORK163.191.128.0/17 State of IL CMS | ||||||
| PTR | ns1.state.il.us | ||||||
| NS | ns2.state.il.us ⚠️ Not in parent delegation | ||||||
| A | 163.191.225.5🇺🇸 ILLINOIS-CENTURY-NETWORK163.191.224.0/19 State of IL CMS | ||||||
| PTR | ns2.state.il.us | ||||||
| PTR | ns3.state.il.us | ||||||
| TXT | v=spf1 mx ip4:163.191.60.229 ip4:163.191.60.230 ip4:216.124.52.100 ip4:216.12... | ||||||
| SOA | ddi1.illinois.govhostmaster@illinois.gov serial=2014115501 | ||||||
state.il.us
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 216.124.54.83🇺🇸 ILLINOIS-CENTURY-NETWORK216.124.52.0/22 Akamai Technologies, Inc | ||||||
| NS | ddi1.illinois.gov ⭐ | ||||||
| NS | ns1.state.il.us | ||||||
| NS | ns2.state.il.us | ||||||
| MX | smtpin01.illinois.gov ⭐ | ||||||
| MX | smtpin02.illinois.gov ⭐ | ||||||
| MX | smtpin06.illinois.gov ⭐ | ||||||
| MX | smtpin07.illinois.gov ⭐ | ||||||
| SOA | ddi1.illinois.govhostmaster@illinois.gov serial=2014273967 | ||||||
WOT: SAFE (90/100)
📈 Tranco rank: #189,356
PTR for
Subdomains
Same first word
Similar names
DNS History
13 records (4 active, 9 former)
●NSddi1.illinois.gov2020-12-05 → 2026-04-27 · 3 obs
● 2020-12-05 06:13:18
● 2026-04-27 23:56:10
●NSns1.state.il.us2015-08-27 → 2026-04-27 · 2 obs
● 2026-04-27 23:56:10
●NSns2.state.il.us2015-08-27 → 2026-04-27 · 2 obs
● 2026-04-27 23:56:10
○NSns3.state.il.us2015-08-27 → 2020-12-05 · 4 obs
● 2020-12-05 06:13:18
○ 2026-02-14 19:10:48
○ 2026-04-27 23:56:10
○MXsmtp01.illinois.gov2015-08-27 → 2017-10-23 · 4 obs
● 2017-10-23 23:44:00
○ 2020-12-05 06:13:18
○ 2026-04-27 23:56:10
○MXsmtp02.illinois.gov2015-08-27 → 2017-10-23 · 4 obs
● 2017-10-23 23:44:00
○ 2020-12-05 06:13:18
○ 2026-04-27 23:56:10
○MXsmtp03.illinois.gov2015-08-27 → 2017-10-23 · 4 obs
● 2017-10-23 23:44:00
○ 2020-12-05 06:13:18
○ 2026-04-27 23:56:10
○MXsmtp04.illinois.gov2015-08-27 → 2017-10-23 · 4 obs
● 2017-10-23 23:44:00
○ 2020-12-05 06:13:18
○ 2026-04-27 23:56:10
○MXsmtpin01.illinois.gov2020-12-05 → 2026-02-15 · 5 obs
● 2020-12-05 06:13:18
● 2026-02-15 19:13:54
○ 2026-02-17 19:10:36
○ 2026-04-27 23:56:10
○MXsmtpin02.illinois.gov2020-12-05 → 2026-02-15 · 5 obs
● 2020-12-05 06:13:18
● 2026-02-15 19:13:54
○ 2026-02-17 19:10:36
○ 2026-04-27 23:56:10
○MXsmtpin06.illinois.gov2020-12-05 → 2026-02-15 · 5 obs
● 2020-12-05 06:13:18
● 2026-02-15 19:13:54
○ 2026-02-17 19:10:36
○ 2026-04-27 23:56:10
○MXsmtpin07.illinois.gov2020-12-05 → 2026-02-15 · 5 obs
● 2020-12-05 06:13:18
● 2026-02-15 19:13:54
○ 2026-02-17 19:10:36
○ 2026-04-27 23:56:10
●A163.191.228.502015-08-27 → 2026-04-27 · 2 obs
● 2026-04-27 23:56:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| us | b.cctld.us, f.cctld.us, k.cctld.us, m.cctld.us... | - |
| state.il.us | ns1.state.il.us, ns2.state.il.us | 2 records |
✅ Authoritative Response
Server:163.191.225.5
NS records: ns1.state.il.us, ns2.state.il.us
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 340ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 163.191.228.50 |
| NS | 2 | ns2.state.il.us, ns1.state.il.us |
| TXT | 1 | v=spf1 mx ip4:163.191.60.229 ip4:163.191 |
| SOA | 1 | ddi1.illinois.gov hostmaster.illinois.go |
📌 Glue Records Collected
Total: 2
In-bailiwick: 2 (ns2.state.il.us, ns1.state.il.us)
Analysis
Hierarchy
isp.state.il.us is a parent of igchirp.isp.state.il.us, www.isp.state.il.us and ispdom1.isp.state.il.us.
IP Addresses
isp.state.il.us points to a single IP number: 163.191.228.50.
Other host names, for instance www.isp.state.il.us, share IP numbers with isp.state.il.us.
Name Servers
The domain isp.state.il.us is delegated to three name servers: ddi1.illinois.gov, ns1.state.il.us and ns2.state.il.us.
isp.state.il.us shares name servers with other domains at least partially, for instance tollway.state.il.us, 54.3.72.in-addr.arpa, atg.state.il.us, 52.124.216.in-addr.arpa and 24.158.66.in-addr.arpa.
these name servers are often used with ns1.illinois.net, ns2.illinois.net and ns3.state.il.us.
Host names with a single IP number:
ddi1.illinois.gov points to 10.155.250.100.
ns1.state.il.us points to 163.191.155.5.
ns2.state.il.us points to 163.191.225.5.