mail.solution21.com - dns.ninja

`mail.solution21.com`

DNSSEC	⚠️ Not signed
A	166.78.37.69^{🇺🇸 RACKSPACE-DFW166.78.0.0/18 Rackspace, 5000 Walzem Road, San Antonio, TX 78218}
		PTR	`1310270-server1.solution21.com`
TXT	`v=spf1 +a +mx include:transmail.net ~all`

`solution21.com`

	DNSSEC	⚠️ Not signed
	A	143.198.60.115^{🇺🇸 DIGITALOCEAN143.198.48.0/20 DigitalOcean}
	NS	`ns1.solution21.com` ⭐ ⚠️ Not in parent delegation
	NS	`ns1.solution21.info` ⚠️ Not in zone NS records
	NS	`ns2.solution21.com` ⚠️ Not in parent delegation
	NS	`ns2.solution21.info` ⚠️ Not in zone NS records
	MX	`mail.solution21.com` ⭐
	TXT	`v=spf1 +mx +a +a:1310270-server1.solution21.com include:one.zoho.com include:...`
	SOA	`ns1.solution21.com`info@solution21.com 2026-05-07 #4

📈 Tranco rank: #607,037

MX for

virginiaradiation.com

solution21.info

solution21.com

shelbypines.com

Previously MX for

diverspool.com

www.solution21.com

Same first word

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DNS History

2 records (1 active, 1 former)

●A166.78.37.692015-10-27 → 2026-06-07 · 3 obs

○ 2013-08-17 13:12:28
● 2015-10-27 22:01:48
● 2026-06-07 03:24:44

○A72.32.160.672013-08-17 → 2013-08-17 · 3 obs

● 2013-08-17 13:12:28
○ 2015-10-27 22:01:48
○ 2026-06-07 03:24:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
solution21.com	ns1.solution21.info, ns2.solution21.info	-

✅ Authoritative Response

Server:166.78.37.69

NS records: ns1.solution21.info, ns2.solution21.info

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for solution21.com (unsigned zone)

⏱️ Timing

Total: 355ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`166.78.37.69`
TXT	1	`v=spf1 +a +mx include:transmail.net ~all`

Analysis

Mail Server Role

mail.solution21.com handles incoming mail for virginiaradiation.com, solution21.info, solution21.com and shelbypines.com.

IP Addresses

mail.solution21.com directs to one IP number, which is 166.78.37.69.

Among the host names that share IP numbers with mail.solution21.com are ns.partnersinendodontics.com, ns2.myvalleyviewdental.com, ns.drnormanwong.com and two others.