isctuning.com - dns.ninja

`isctuning.com`

DNSSEC	⚠️ Not signed
A	146.148.57.203^{🇺🇸 Google146.148.48.0/20}
		PTR	`203.57.148.146.bc.googleusercontent.com`
NS	`ns1.dotster.com` ⭐
		A	172.64.52.250^{🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns2.dotster.com`
		A	172.64.53.155^{🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c09::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bh-in-f27.1e100.net`
		A	172.253.122.26^{🇺🇸 Google172.253.122.0/24}
			PTR	`bh-in-f26.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.26^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f26.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1b^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f27.1e100.net`
		A	172.253.116.27^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f27.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:4009:c0f::1a^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f26.1e100.net`
		A	192.178.223.26^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f26.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:400c:c23::1a^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`yubrupd-in-f26.1e100.net`
		A	172.253.157.27^{🇺🇸 Google172.253.0.0/16}
			PTR	`yubrupd-in-f27.1e100.net`
TXT	`google-site-verification=PypitpqL1pLuPlz_jKPizi_2RG7AAsRQERdrjDZxmHk`
TXT	`v=spf1 include:emailsrvr.com ~all`
SOA	`ns1.dotster.com`dnsadmin@dotster.com 2015-06-29 #72

`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=1785874489

Subdomains

mail.isctuning.com

Same first word

isctuning.com

Similar names

gustininc.com

DNS History

12 records (8 active, 4 former)

●NSns1.dotster.com2026-02-25 → 2026-08-04 · 3 obs

○ 2017-10-08 03:34:12
● 2026-02-25 13:44:00
● 2026-08-04 20:30:22

○NSns1377.websitewelcome.com2016-12-20 → 2017-10-08 · 4 obs

● 2016-12-20 11:44:46
● 2017-10-08 03:34:12
○ 2026-02-25 13:44:00
○ 2026-08-04 20:30:22

○NSns1378.websitewelcome.com2016-12-20 → 2017-10-08 · 4 obs

● 2016-12-20 11:44:46
● 2017-10-08 03:34:12
○ 2026-02-25 13:44:00
○ 2026-08-04 20:30:22

●NSns2.dotster.com2026-02-25 → 2026-08-04 · 3 obs

○ 2017-10-08 03:34:12
● 2026-02-25 13:44:00
● 2026-08-04 20:30:22

●MXalt1.aspmx.l.google.com2026-02-25 → 2026-08-04 · 6 obs

○ 2017-10-08 03:34:12
● 2026-02-25 13:44:00
● 2026-05-04 21:41:06
○ 2026-06-05 08:20:12
● 2026-06-07 21:11:10
● 2026-08-04 20:30:22

●MXalt2.aspmx.l.google.com2026-02-25 → 2026-08-04 · 6 obs

○ 2017-10-08 03:34:12
● 2026-02-25 13:44:00
● 2026-05-04 21:41:06
○ 2026-06-05 08:20:12
● 2026-06-07 21:11:10
● 2026-08-04 20:30:22

●MXalt3.aspmx.l.google.com2026-02-25 → 2026-08-04 · 6 obs

○ 2017-10-08 03:34:12
● 2026-02-25 13:44:00
● 2026-05-04 21:41:06
○ 2026-06-05 08:20:12
● 2026-06-07 21:11:10
● 2026-08-04 20:30:22

●MXalt4.aspmx.l.google.com2026-02-25 → 2026-08-04 · 6 obs

○ 2017-10-08 03:34:12
● 2026-02-25 13:44:00
● 2026-05-04 21:41:06
○ 2026-06-05 08:20:12
● 2026-06-07 21:11:10
● 2026-08-04 20:30:22

●MXaspmx.l.google.com2026-02-25 → 2026-08-04 · 6 obs

○ 2017-10-08 03:34:12
● 2026-02-25 13:44:00
● 2026-05-04 21:41:06
○ 2026-06-05 08:20:12
● 2026-06-07 21:11:10
● 2026-08-04 20:30:22

○MXmail.isctuning.com2016-12-20 → 2017-10-08 · 4 obs

● 2016-12-20 11:44:46
● 2017-10-08 03:34:12
○ 2026-02-25 13:44:00
○ 2026-08-04 20:30:22

●A146.148.57.2032026-02-25 → 2026-08-04 · 3 obs

○ 2017-10-08 03:34:12
● 2026-02-25 13:44:00
● 2026-08-04 20:30:22

○A192.185.181.1232016-12-20 → 2017-10-08 · 4 obs

● 2016-12-20 11:44:46
● 2017-10-08 03:34:12
○ 2026-02-25 13:44:00
○ 2026-08-04 20:30:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.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: 1171ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`146.148.57.203`
NS	2	`ns2.dotster.com, ns1.dotster.com`
MX	5	`ASPMX.L.GOOGLE.com (pri: 1), ALT3.ASPMX.L.GOOGLE.com (pri: 10)...`
TXT	2	`v=spf1 include:emailsrvr.com ~all, google-site-verification=PypitpqL1pLuPlz`
SOA	1	`ns1.dotster.com dnsadmin.dotster.com`

📌 Glue Records Collected

Total: 2

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

Analysis

Hierarchy

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

IP Addresses

isctuning.com points to a single IP number: 146.148.57.203.

Additional host names — smithhospitality.com, steinhardt.casamarinaresort.com, drfloras.com and two others — share IP numbers with isctuning.com.

Name Servers

isctuning.com has two authoritative name servers — ns1.dotster.com and ns2.dotster.com.

isctuning.com shares its name server setup with other domains, including sailab.com, karptravel.com, fuseac.net and two others.

isctuning.com shares at least some of its name servers with other domains, including purobit.net, garrettgettleman.net, raymondaaron.name and two others.

These name servers are frequently seen alongside the name servers ns1.yourhostingaccount.com, ns2.yourhostingaccount.com, ns1.nameresolve.com and ns2.nameresolve.com.

ns1.dotster.com and ns2.dotster.com each resolve to one IP number: ns1.dotster.com points to 172.64.52.250 and ns2.dotster.com points to 172.64.53.155.

Mail Servers

Mail for isctuning.com is handled by five mail servers, namely aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

isctuning.com shares mail servers — at least in part — with other domains, including dumontjanks.com, ashburnerinc.com, tarzconcept.com and two others.

These mail servers are frequently used alongside mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and 3 other.

Host names with two IP numbers:

aspmx.l.google.com resolves to 172.253.122.26 and 2607:f8b0:4004:c09::1b.

alt1.aspmx.l.google.com resolves to 108.177.123.26 and 2800:3f0:4003:c0f::1b.

alt2.aspmx.l.google.com resolves to 172.253.116.27 and 2a00:1450:400b:c02::1b.

alt3.aspmx.l.google.com resolves to 192.178.223.26 and 2a00:1450:4009:c0f::1a.

alt4.aspmx.l.google.com resolves to 172.253.157.27 and 2a00:1450:400c:c23::1a.