columbustechnology.com - robtex.com
columbustechnology.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns87.worldnic.com ⚠️ Not in zone NS records | ||||||
| A | 162.159.26.131Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns88.worldnic.com ⚠️ Not in zone NS records | ||||||
| A | 162.159.27.117Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
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=1779434879 | ||||||
DNS History
5 records (2 active, 3 former)
●NSns87.worldnic.com2015-08-06 → 2026-05-22 · 2 obs
● 2015-08-06 01:56:14
● 2026-05-22 07:35:02
● 2026-05-22 07:35:02
●NSns88.worldnic.com2015-08-06 → 2026-05-22 · 2 obs
● 2015-08-06 01:56:14
● 2026-05-22 07:35:02
● 2026-05-22 07:35:02
○MXmail.columbustechnology.com2015-08-06 → 2017-08-18 · 3 obs
● 2015-08-06 01:56:14
● 2017-08-18 14:43:42
○ 2026-05-22 07:35:02
● 2017-08-18 14:43:42
○ 2026-05-22 07:35:02
○A208.91.197.272015-08-06 → 2017-08-18 · 3 obs
● 2015-08-06 01:56:14
● 2017-08-18 14:43:42
○ 2026-05-22 07:35:02
● 2017-08-18 14:43:42
○ 2026-05-22 07:35:02
○A64.186.21.1112015-08-06 → 2017-08-18 · 3 obs
● 2015-08-06 01:56:14
● 2017-08-18 14:43:42
○ 2026-05-22 07:35:02
● 2017-08-18 14:43:42
○ 2026-05-22 07:35:02
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | d.gtld-servers.net, c.gtld-servers.net, h.gtld-servers.net, a.gtld-servers.net... | - |
| columbustechnology.com | ns87.worldnic.com, ns88.worldnic.com | 2 records |
✅ Authoritative Response
Server:162.159.26.131
NS records: ns87.worldnic.com, ns88.worldnic.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for columbustechnology.com (unsigned zone)
⏱️ Timing
Total: 638ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns87.worldnic.com, ns88.worldnic.com)
Analysis
Name Servers
The NS records for columbustechnology.com delegate to ns87.worldnic.com and ns88.worldnic.com.
columbustechnology.com uses the same name servers as several other domains — among them fitnessunlimited.com, innoportexpress.net, freuds.org and two more.
columbustechnology.com and other domains like tumbleweedtransportation.com share at least a portion of their name servers.
ns87.worldnic.com → 162.159.26.131 and ns88.worldnic.com → 162.159.27.117: one IP number per host name.