`mail.columbustechnology.com`

DNSSEC

⚠️ Not signed

`columbustechnology.com`

	DNSSEC	⚠️ Not signed
	NS	`ns87.worldnic.com` ⚠️ Not in zone NS records
	NS	`ns88.worldnic.com` ⚠️ Not in zone NS records

Previously MX for

columbustechnology.com

Same first word

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DNS History

1 record (0 active, 1 former)

○A64.186.21.1112015-08-12 → 2016-07-10 · 3 obs

● 2015-08-12 09:50:46
● 2016-07-10 08:58:40
○ 2026-05-22 13:15:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
columbustechnology.com	ns87.worldnic.com, ns88.worldnic.com	2 records

✅ Authoritative Response

Server:162.159.27.117

NS records: ns87.worldnic.com, ns88.worldnic.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for columbustechnology.com (unsigned zone)

⏱️ Timing

Total: 367ms | Queries: -

📄 Records

Type	Count	Sample Data

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns87.worldnic.com, ns88.worldnic.com)

mail.columbustechnology.com - robtex.com