`columbiacc.com`

DNSSEC	⚠️ Not signed
A	20.72.174.250^{🇺🇸 Microsoft20.64.0.0/10}
NS	`darl.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b62^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`darl.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c162^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`darl.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2162^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`darl.ns.cloudflare.com`
		A	108.162.193.98^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`darl.ns.cloudflare.com`
		A	172.64.33.98^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`darl.ns.cloudflare.com`
		A	173.245.59.98^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`darl.ns.cloudflare.com`
NS	`elisa.ns.cloudflare.com`
		A	2606:4700:50::a29f:2636^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elisa.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c236^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`elisa.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2236^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`elisa.ns.cloudflare.com`
		A	108.162.194.54^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elisa.ns.cloudflare.com`
		A	162.159.38.54^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elisa.ns.cloudflare.com`
		A	172.64.34.54^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elisa.ns.cloudflare.com`
MX	`mail2.columbiacc.com` ⭐
		A	71.174.79.69^{🇺🇸 AS70171.174.0.0/16 MCI Communications Services, LLC d/b/a Verizon Business}
			PTR	`mail2.columbiacc.com`
MX	`mail.columbiacc.com`⁽²⁰⁾
		A	71.174.79.229^{🇺🇸 AS70171.174.0.0/16 MCI Communications Services, LLC d/b/a Verizon Business}
			PTR	`static-71-174-79-229.bstnma.fios.verizon.net`
TXT	`F505B18845`
TXT	`MS=ms77944651`
TXT	`_ksler2anficj48vyw25hci31wbuxab2`
TXT	`v=spf1 mx a ip4:71.174.79.227/32 ip4:71.174.79.229/32 ip4:71.174.79.196/32 ip...`
SOA	`darl.ns.cloudflare.com`dns@cloudflare.com serial=2401340723

`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=1777099302

WOT: SAFE (60/100)

Subdomains

mail2.columbiacc.com

mail.columbiacc.com

Same first word

columbiacc.com

columbiacc.org

DNS History

11 records (5 active, 6 former)

●NSdarl.ns.cloudflare.com2026-02-15 → 2026-04-25 · 3 obs

○ 2016-09-30 04:35:14
● 2026-02-15 23:10:30
● 2026-04-25 06:51:04

●NSelisa.ns.cloudflare.com2026-02-15 → 2026-04-25 · 3 obs

○ 2016-09-30 04:35:14
● 2026-02-15 23:10:30
● 2026-04-25 06:51:04

○NSns1.mydyndns.org2015-08-08 → 2016-09-30 · 4 obs

● 2015-08-08 04:24:22
● 2016-09-30 04:35:14
○ 2026-02-15 23:10:30
○ 2026-04-25 06:51:04

○NSns1157.dns.dyn.com2015-08-08 → 2016-09-30 · 4 obs

● 2015-08-08 04:24:22
● 2016-09-30 04:35:14
○ 2026-02-15 23:10:30
○ 2026-04-25 06:51:04

○NSns2162.dns.dyn.com2015-08-08 → 2016-09-30 · 4 obs

● 2015-08-08 04:24:22
● 2016-09-30 04:35:14
○ 2026-02-15 23:10:30
○ 2026-04-25 06:51:04

○NSns3154.dns.dyn.com2015-08-08 → 2016-09-30 · 4 obs

● 2015-08-08 04:24:22
● 2016-09-30 04:35:14
○ 2026-02-15 23:10:30
○ 2026-04-25 06:51:04

○NSns4172.dns.dyn.com2015-08-08 → 2016-09-30 · 4 obs

● 2015-08-08 04:24:22
● 2016-09-30 04:35:14
○ 2026-02-15 23:10:30
○ 2026-04-25 06:51:04

●MXmail.columbiacc.com2015-08-08 → 2026-04-25 · 2 obs

● 2015-08-08 04:24:22
● 2026-04-25 06:51:04

●MXmail2.columbiacc.com2015-08-08 → 2026-04-25 · 2 obs

● 2015-08-08 04:24:22
● 2026-04-25 06:51:04

●A20.72.174.2502026-02-15 → 2026-04-25 · 3 obs

○ 2016-09-30 04:35:14
● 2026-02-15 23:10:30
● 2026-04-25 06:51:04

○A216.198.198.1542015-08-08 → 2016-09-30 · 4 obs

● 2015-08-08 04:24:22
● 2016-09-30 04:35:14
○ 2026-02-15 23:10:30
○ 2026-04-25 06:51:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
columbiacc.com	darl.ns.cloudflare.com, elisa.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.194.54

NS records: darl.ns.cloudflare.com, elisa.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for columbiacc.com (unsigned zone)

⏱️ Timing

Total: 527ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`20.72.174.250`
NS	2	`darl.ns.cloudflare.com, elisa.ns.cloudflare.com`
MX	2	`mail.columbiacc.com (pri: 10), mail2.columbiacc.com (pri: 20)`
TXT	4	`F505B18845, MS=ms77944651...`
SOA	1	`darl.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (darl.ns.cloudflare.com, darl.ns.cloudflare.com, darl.ns.cloudflare.com...)

Analysis

Hierarchy

columbiacc.com is a parent of mail2.columbiacc.com and mail.columbiacc.com.

IP Addresses

columbiacc.com points to a single IP address: 20.72.174.250.

Other host names, for example coordinatedfamilycare.org, schedule.cpcmo.org and dbcontractors.com share IPs with columbiacc.com.

Name Servers

Two name servers darl.ns.cloudflare.com and elisa.ns.cloudflare.com handle the delegation for columbiacc.com.

columbiacc.com shares the same name server setup as other domains, for example tishomingohistory.com, mypaperwriter.org, khungtranh.net.vn, avalonbiometrics.com and wimsanet.org.

columbiacc.com at least partially shares name servers with other domains, for example jaam.net, murah4dmaxx.com, yabos88viplink.com, timnas4dgood.com and spengy.net.

these name servers commonly pair with rosa.ns.cloudflare.com, max.ns.cloudflare.com, harvey.ns.cloudflare.com and yichun.ns.cloudflare.com.

Host names with six IP numbers:

darl.ns.cloudflare.com points to 2606:4700:58::adf5:3b62, 2803:f800:50::6ca2:c162, 2a06:98c1:50::ac40:2162, 108.162.193.98, 172.64.33.98 and 173.245.59.98.

elisa.ns.cloudflare.com points to 2606:4700:50::a29f:2636, 2803:f800:50::6ca2:c236, 2a06:98c1:50::ac40:2236, 108.162.194.54, 162.159.38.54 and 172.64.34.54.

Mail Servers

Two mail servers handle columbiacc.com: mail2.columbiacc.com and mail.columbiacc.com.

Host names with one IP number:

mail2.columbiacc.com points to 71.174.79.69; mail.columbiacc.com points to 71.174.79.229.

columbiacc.com - robtex.com

columbiacc.com

com

Subdomains

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`columbiacc.com`

`com`