`columbiacooling.com`

DNSSEC	⚠️ Not signed
A	208.91.197.27^{🇻🇬 CONFLUENCE-NETWORK-INC208.91.197.0/24 Confluence Networks Route Object}
NS	`ns35.worldnic.com` ⭐
		A	162.159.26.212^{Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns36.worldnic.com`
		A	162.159.27.146^{Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
MX	`columbiacooling-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:c91d::a^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-co1pr21cu00202.inbound.protection.outlook.com`
		A	2a01:111:f403:c946::7^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-ch5pr02cu00307.inbound.protection.outlook.com`
		A	2a01:111:f403:f90a::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-bn8pr03cu00201.inbound.protection.outlook.com`
		A	2a01:111:f403:f912::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-cy5pr03cu00200.inbound.protection.outlook.com`
		A	52.101.11.13^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sn1pr0501cu00205.inbound.protection.outlook.com`
		A	52.101.41.21^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sj2pr05cu00305.inbound.protection.outlook.com`
		A	52.101.41.180^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-byapr04cu00204.inbound.protection.outlook.com`
		A	52.101.194.12^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-ch0pr04cu00504.inbound.protection.outlook.com`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
TXT	`MS=ms57077095`
SOA	`NS35.WORLDNIC.com`namehost@WORLDNIC.com serial=119121215

`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.net`nstld@verisign-grs.com serial=1785469852

Subdomains

mail.columbiacooling.com

Same first word

columbiacooling.com

DNS History

5 records (4 active, 1 former)

●NSns35.worldnic.com2015-06-26 → 2026-07-31 · 2 obs

● 2015-06-26 00:42:28
● 2026-07-31 04:19:02

●NSns36.worldnic.com2015-06-26 → 2026-07-31 · 2 obs

● 2015-06-26 00:42:28
● 2026-07-31 04:19:02

○MXasp.reflexion.net2015-06-26 → 2017-11-30 · 4 obs

● 2015-06-26 00:42:28
● 2017-11-30 08:24:32
○ 2026-05-09 19:41:26
○ 2026-07-31 04:19:02

●MXcolumbiacooling-com.mail.protection.outlook.com2026-05-09 → 2026-07-31 · 3 obs

○ 2017-11-30 08:24:32
● 2026-05-09 19:41:26
● 2026-07-31 04:19:02

●A208.91.197.272015-06-26 → 2026-07-31 · 2 obs

● 2015-06-26 00:42:28
● 2026-07-31 04:19:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	m.gtld-servers.net, d.gtld-servers.net, c.gtld-servers.net, j.gtld-servers.net...	-
columbiacooling.com	ns35.worldnic.com, ns36.worldnic.com	2 records

✅ Authoritative Response

Server:162.159.26.212

NS records: ns35.worldnic.com, ns36.worldnic.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for columbiacooling.com (unsigned zone)

⏱️ Timing

Total: 859ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`208.91.197.27`
NS	2	`ns35.worldnic.com, ns36.worldnic.com`
MX	1	`columbiacooling-com.mail.protection.outl`
TXT	2	`MS=ms57077095, v=spf1 include:spf.protection.outlook.co`
SOA	1	`NS35.WORLDNIC.com namehost.WORLDNIC.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns35.worldnic.com, ns36.worldnic.com)

Analysis

Hierarchy

columbiacooling.com is a parent domain of mail.columbiacooling.com.

IP Addresses

columbiacooling.com has exactly one IP address — 208.91.197.27.

apps.hessperssonwines.net, nesbank.net, strivebaltimore.com plus two other host names have IP numbers in common with columbiacooling.com.

Name Servers

columbiacooling.com has two authoritative name servers — ns35.worldnic.com and ns36.worldnic.com.

The name server configuration of columbiacooling.com is shared with other domains, for instance focusapp.me, marketswitch.com, schneidertransportationmanagement.com and two others.

The name servers for columbiacooling.com overlap at least partially with those of other domains — for example mcallisterfuel.com.

ns35.worldnic.com and ns36.worldnic.com each resolve to one IP number: ns35.worldnic.com points to 162.159.26.212 and ns36.worldnic.com points to 162.159.27.146.

Mail Servers

columbiacooling.com uses one mail server — columbiacooling-com.mail.protection.outlook.com.

columbiacooling-com.mail.protection.outlook.com has 8 IP addresses: 52.101.11.13, 52.101.41.21, 52.101.41.180 plus 5 more.

columbiacooling.com - robtex.com