mail.isctuning.com - dns.ninja

`mail.isctuning.com`

CNAME	`mail.emailsrvr.com`
DNSSEC	⚠️ Not signed
A	173.203.187.14^{🇺🇸 RACKSPACE-IAD173.203.128.0/18 Rackspace Managed Hosting, 9725 Data point drive, Suite 100, San Antonio, TX 78229}
		PTR	`mail.emailsrvr.com`
MX	`mx1.emailsrvr.com` ⭐
		A	173.203.187.1^{🇺🇸 RACKSPACE-IAD173.203.128.0/18 Rackspace Managed Hosting, 9725 Data point drive, Suite 100, San Antonio, TX 78229}
			PTR	`mx1.emailsrvr.com`
MX	`mx2.emailsrvr.com`⁽²⁰⁾
		A	108.166.43.2^{🇺🇸 RACKSPACE-ORD108.166.0.0/18 Rackspace}
			PTR	`mx2.emailsrvr.com`
		A	146.20.161.2^{🇺🇸 RACKSPACE-IAD146.20.0.0/16 Rackspace US Inc}
			PTR	`mx2.emailsrvr.com`
		A	173.203.187.2^{🇺🇸 RACKSPACE-IAD173.203.128.0/18 Rackspace Managed Hosting, 9725 Data point drive, Suite 100, San Antonio, TX 78229}
			PTR	`mx2.emailsrvr.com`
		A	184.106.54.2^{🇺🇸 RACKSPACE-ORD184.106.54.0/24 Rackspace ORD}
			PTR	`mx2.emailsrvr.com`

`isctuning.com`

	DNSSEC	⚠️ Not signed
	A	146.148.57.203^{🇺🇸 Google146.148.48.0/20}
	NS	`ns1.dotster.com` ⭐
	NS	`ns2.dotster.com`
	MX	`aspmx.l.google.com` ⭐
	MX	`alt1.aspmx.l.google.com`⁽⁵⁾
	MX	`alt2.aspmx.l.google.com`⁽⁵⁾
	MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
	MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
	TXT	`v=spf1 include:emailsrvr.com ~all`
	TXT	`google-site-verification=PypitpqL1pLuPlz_jKPizi_2RG7AAsRQERdrjDZxmHk`
	SOA	`ns1.dotster.com`dnsadmin@dotster.com 2015-06-29 #72

Previously MX for

isctuning.com

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DNS History

2 records (1 active, 1 former)

○A192.185.181.1232017-10-08 → 2017-10-08 · 3 obs

● 2017-10-08 03:34:30
○ 2026-08-05 05:02:32
○ 2026-08-05 05:02:34

●CNAMEmail.emailsrvr.com2026-08-05 → 2026-08-05 · 2 obs

● 2026-08-05 05:02:32
● 2026-08-05 05:02:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	m.gtld-servers.net, b.gtld-servers.net, e.gtld-servers.net, l.gtld-servers.net...	-
isctuning.com	ns1.dotster.com, ns2.dotster.com	2 records

✅ Authoritative Response

Server:172.64.53.155

NS records: ns1.dotster.com, ns2.dotster.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for isctuning.com (unsigned zone)

⏱️ Timing

Total: 1073ms | Queries: -

📄 Records

Type	Count	Sample Data
CNAME	1	`mail.emailsrvr.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.dotster.com, ns2.dotster.com)

Analysis

IP Addresses

mail.isctuning.com points to a single IP number: 173.203.187.14.

Additional host names — mail.jonwrightroofing.com, volumecocomo.com, teamstersdrive.org and two others — share IP numbers with mail.isctuning.com.

Mail Servers

mail.isctuning.com has two mail servers: mx1.emailsrvr.com and mx2.emailsrvr.com.

mail.isctuning.com shares the same mail server setup as other domains, including gcfwharton.org, missoulaelectric.com, propulsiontunes.com and two others.

mail.isctuning.com shares mail servers — at least in part — with other domains, including in10sityeducation.com, lifestyleproperty.co.uk, californiastateinfo.com and two others.

Host names resolving to four IP addresses:

mx2.emailsrvr.com maps to the following IP addresses: 108.166.43.2, 146.20.161.2, 173.203.187.2 and 184.106.54.2.

Host names pointing to a single IP address:

mx1.emailsrvr.com points to the IP address 173.203.187.1.