`istlcorp.com`

DNSSEC	⚠️ Not signed
A	216.70.123.94
		PTR	`ip-216-70-123-94.ip.secureserver.net`
NS	`amanda.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a3f^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`amanda.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c03f^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`amanda.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:203f^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`amanda.ns.cloudflare.com`
		A	108.162.192.63^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`amanda.ns.cloudflare.com`
		A	172.64.32.63^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`amanda.ns.cloudflare.com`
		A	173.245.58.63^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`amanda.ns.cloudflare.com`
NS	`lars.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bc3^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lars.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1c3^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`lars.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21c3^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`lars.ns.cloudflare.com`
		A	108.162.193.195^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lars.ns.cloudflare.com`
		A	172.64.33.195^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lars.ns.cloudflare.com`
		A	173.245.59.195^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lars.ns.cloudflare.com`
MX	`istlcorp-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:c92c::2^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-dm2pr04cu00102.inbound.protection.outlook.com`
		A	2a01:111:f403:c931::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sa9pr03cu00201.inbound.protection.outlook.com`
		A	2a01:111:f403:f802::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sj2pr05cu00101.inbound.protection.outlook.com`
		A	2a01:111:f403:f905::4^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-dm2pr04cu00404.inbound.protection.outlook.com`
		A	52.101.10.16^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-bn6pr21cu00500.inbound.protection.outlook.com`
		A	52.101.11.7^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sa9pr04cu00107.inbound.protection.outlook.com`
		A	52.101.40.2^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-cy1pr05cu00402.inbound.protection.outlook.com`
		A	52.101.50.7^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-co1pr21cu00207.inbound.protection.outlook.com`
TXT	`MS=ms69064944`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
SOA	`amanda.ns.cloudflare.com`dns@cloudflare.com serial=2402690119

`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=1778450671

Same first word

istlcorp.com

Similar names

DNS History

12 records (4 active, 8 former)

●NSamanda.ns.cloudflare.com2026-03-26 → 2026-05-10 · 3 obs

○ 2017-04-11 07:59:10
● 2026-03-26 04:31:44
● 2026-05-10 22:20:36

●NSlars.ns.cloudflare.com2026-03-26 → 2026-05-10 · 3 obs

○ 2017-04-11 07:59:10
● 2026-03-26 04:31:44
● 2026-05-10 22:20:36

○NSns.istlcorp.com2015-05-23 → 2016-07-07 · 4 obs

● 2015-05-23 14:14:32
● 2016-07-07 01:26:20
○ 2016-09-05 18:31:14
○ 2026-05-10 22:20:36

○NSns1.mediatemple.net2016-09-05 → 2017-04-11 · 5 obs

○ 2016-07-07 01:26:20
● 2016-09-05 18:31:14
● 2017-04-11 07:59:10
○ 2026-03-26 04:31:44
○ 2026-05-10 22:20:36

○NSns1.plesk-web21.webhostbox.net2015-05-23 → 2016-07-07 · 4 obs

● 2015-05-23 14:14:32
● 2016-07-07 01:26:20
○ 2016-09-05 18:31:14
○ 2026-05-10 22:20:36

○NSns2.mediatemple.net2016-09-05 → 2017-04-11 · 5 obs

○ 2016-07-07 01:26:20
● 2016-09-05 18:31:14
● 2017-04-11 07:59:10
○ 2026-03-26 04:31:44
○ 2026-05-10 22:20:36

○NSns2.plesk-web21.webhostbox.net2015-05-23 → 2016-07-07 · 4 obs

● 2015-05-23 14:14:32
● 2016-07-07 01:26:20
○ 2016-09-05 18:31:14
○ 2026-05-10 22:20:36

●MXistlcorp-com.mail.protection.outlook.com2026-03-26 → 2026-05-10 · 3 obs

○ 2017-04-11 07:59:10
● 2026-03-26 04:31:44
● 2026-05-10 22:20:36

○MXmail.istlcorp.com2015-05-23 → 2017-04-11 · 4 obs

● 2015-05-23 14:14:32
● 2017-04-11 07:59:10
○ 2026-03-26 04:31:44
○ 2026-05-10 22:20:36

○A162.222.225.932016-07-07 → 2016-07-07 · 4 obs

○ 2016-05-11 02:31:26
● 2016-07-07 01:26:20
○ 2016-09-05 18:31:14
○ 2026-05-10 22:20:36

○A208.91.199.1702015-05-23 → 2016-05-11 · 4 obs

● 2015-05-23 14:14:32
● 2016-05-11 02:31:26
○ 2016-07-07 01:26:20
○ 2026-05-10 22:20:36

●A216.70.123.942016-09-05 → 2026-05-10 · 3 obs

○ 2016-07-07 01:26:20
● 2016-09-05 18:31:14
● 2026-05-10 22:20:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	m.gtld-servers.net, f.gtld-servers.net, e.gtld-servers.net, l.gtld-servers.net...	-
istlcorp.com	amanda.ns.cloudflare.com, lars.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.195

NS records: amanda.ns.cloudflare.com, lars.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for istlcorp.com (unsigned zone)

⏱️ Timing

Total: 148ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`216.70.123.94`
NS	2	`amanda.ns.cloudflare.com, lars.ns.cloudflare.com`
MX	1	`istlcorp-com.mail.protection.outlook.com`
TXT	2	`MS=ms69064944, v=spf1 include:spf.protection.outlook.co`
SOA	1	`amanda.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

istlcorp.com points to a single IP number: 216.70.123.94.

Other host names, for instance mail.quotecenter.com, share IP numbers with istlcorp.com.

Name Servers

istlcorp.com is delegated to two name servers: amanda.ns.cloudflare.com and lars.ns.cloudflare.com.

istlcorp.com shares the same name server setup as other domains, for example clubrust.com, rancholapaloma.net, case-submission.info, limsko.pl and ersaba.org.

istlcorp.com at least partially shares name servers with other domains, for instance fxify.com, rishabh.co, sites.studio, simfleks.com and littmu.com.

These name servers are often used with andy.ns.cloudflare.com and bonnie.ns.cloudflare.com.

Host names with six IP numbers:

amanda.ns.cloudflare.com points to: 2606:4700:50::adf5:3a3f, 2803:f800:50::6ca2:c03f, 2a06:98c1:50::ac40:203f, 108.162.192.63, 172.64.32.63 and 173.245.58.63; lars.ns.cloudflare.com points to: 2606:4700:58::adf5:3bc3, 2803:f800:50::6ca2:c1c3, 2a06:98c1:50::ac40:21c3, 108.162.193.195, 172.64.33.195 and 173.245.59.195.

Mail Servers

istlcorp.com is handled by a single mail server, istlcorp-com.mail.protection.outlook.com.

Host name istlcorp-com.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:c92c::2, 2a01:111:f403:c931::1, 2a01:111:f403:f802::1, 2a01:111:f403:f905::4, 52.101.10.16, 52.101.11.7, 52.101.40.2 and 52.101.50.7.

istlcorp.com - robtex.com

istlcorp.com

com

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

Mail Servers

`istlcorp.com`

`com`