tech.com - robtex.com
tech.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | uiucdns1.admin.uillinois.edu ⭐ ⚠️ Not in parent delegation | ||||||
| A | 64.22.184.100🇺🇸 ASN-ILLINOIS-AN64.22.184.0/21 | ||||||
| PTR | uiucdns1.admin.uillinois.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 | ||||||
| NS | uicdns1.admin.uillinois.edu ⚠️ Not in parent delegation | ||||||
| A | 64.22.176.100🇺🇸 ASN-ILLINOIS-AN64.22.176.0/21 | ||||||
| PTR | uicdns1.admin.uillinois.edu | ||||||
| SOA | uiucdns1.admin.uillinois.eduhostmaster@uillinois.edu 2013-10-17 #3 | ||||||
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=1776988831 | ||||||
rank #328848 in the tld
WOT: SAFE (61/100)
📈 Tranco rank: #461,763
NS for
Same first word
Similar names
DNS History
5 records (5 active, 0 former)
●NSdns1.illinois.edu2015-08-19 → 2026-04-24 · 2 obs
● 2026-04-24 00:18:46
●NSdns2.illinois.edu2015-08-19 → 2026-04-24 · 2 obs
● 2026-04-24 00:18:46
●NSdns3.illinois.edu2015-08-19 → 2026-04-24 · 2 obs
● 2026-04-24 00:18:46
●NSuicdns1.admin.uillinois.edu2015-08-19 → 2026-04-24 · 2 obs
● 2026-04-24 00:18:46
●NSuiucdns1.admin.uillinois.edu2015-08-19 → 2026-04-24 · 2 obs
● 2026-04-24 00:18:46
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | f.gtld-servers.net, j.gtld-servers.net, b.gtld-servers.net, h.gtld-servers.net... | - |
| tech.com | dns1.illinois.edu, dns2.illinois.edu, dns3.illinois.edu | - |
✅ Authoritative Response
Server:3.16.92.183
NS records: dns1.illinois.edu, dns2.illinois.edu, dns3.illinois.edu
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for tech.com (unsigned zone)
⏱️ Timing
Total: 384ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 5 | uicdns1.admin.uillinois.edu, dns2.illinois.edu... |
| SOA | 1 | uiucdns1.admin.uillinois.edu hostmaster. |
Analysis
Name Server Role
tech.com serves as the name server for email-acs.com.
technologytechsolutions.com, techsol.com and techsolutions.com commonly serve as name servers alongside tech.com.
Name Servers
tech.com delegates to five name servers: dns1.illinois.edu, dns2.illinois.edu, dns3.illinois.edu, uicdns1.admin.uillinois.edu and uiucdns1.admin.uillinois.edu.
tech.com at least partially shares name servers with other domains such as atlas.illinois.edu, 114.36.72.in-addr.arpa, sephardifolklit.illinois.edu, 112-28.34.17.192.in-addr.arpa and sd.uillinois.edu.
these name servers are commonly used with the name servers ipam1.techservices.illinois.edu.
Two-IP hostnames:
The host name dns1.illinois.edu points to 2620:0:e00:b::53 and 130.126.2.100; The host name dns2.illinois.edu points to 2620:0:e00:c::53 and 130.126.2.120; The host name dns3.illinois.edu points to 2600:1f16:8b2:2e53::53 and 3.16.92.183.
One-IP hostnames:
The host name uicdns1.admin.uillinois.edu points to 64.22.176.100; The host name uiucdns1.admin.uillinois.edu points to 64.22.184.100.