`thirdcoastnetworks.net`

DNSSEC	⚠️ Not signed
A	98.206.91.21^{🇺🇸 COMCAST-IBONE98.192.0.0/10 Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054}
		PTR	`c-98-206-91-21.hsd1.il.comcast.net`
NS	`ns-71.awsdns-08.com` ⭐
		A	2600:9000:5300:4700::1^{🇺🇸 Amazon2600:9000:5300::/48 - CloudFront}
			PTR	`ns-71.awsdns-08.com`
		A	205.251.192.71^{🇺🇸 Amazon205.251.192.0/24 prefix}
			PTR	`ns-71.awsdns-08.com`
NS	`ns-1167.awsdns-17.org`
		A	2600:9000:5304:8f00::1^{🇺🇸 Amazon2600:9000:5304::/48 - CloudFront}
			PTR	`ns-1167.awsdns-17.org`
		A	205.251.196.143^{🇺🇸 Amazon205.251.196.0/24 prefix}
			PTR	`ns-1167.awsdns-17.org`
NS	`ns-1545.awsdns-01.co.uk`
		A	2600:9000:5306:900::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1545.awsdns-01.co.uk`
		A	205.251.198.9^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1545.awsdns-01.co.uk`
NS	`ns-894.awsdns-47.net`
		A	2600:9000:5303:7e00::1^{🇺🇸 Amazon2600:9000:5303::/48 - CloudFront}
			PTR	`ns-894.awsdns-47.net`
		A	205.251.195.126^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-894.awsdns-47.net`
MX	`relay.thirdcoastnetworks.net` ⭐
		A	54.236.93.67^{🇺🇸 Amazon54.236.64.0/18 EC2 IAD prefix}
			PTR	`relay.thirdcoastnetworks.net`
TXT	`_globalsign-domain-verification=vZBxxWscaWQtMI47sodif7OZf1hgbqqlWDY8ozDqfn`
SOA	`ns-71.awsdns-08.com`awsdns-hostmaster@amazon.com serial=1

`net`

	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=1771291465

Subdomains

www.thirdcoastnetworks.net

relay.thirdcoastnetworks.net

mail.thirdcoastnetworks.net

postfix.thirdcoastnetworks.net

Same first word

thirdcoastnetworks.net

DNS History

11 records (6 active, 5 former)

●NSns-1167.awsdns-17.org2016-02-24 → 2026-03-22 · 3 obs

○ 2015-11-16 15:09:08
● 2016-02-24 17:00:12
● 2026-03-22 20:19:48

●NSns-1545.awsdns-01.co.uk2016-02-24 → 2026-03-22 · 3 obs

○ 2015-11-16 15:09:08
● 2016-02-24 17:00:12
● 2026-03-22 20:19:48

●NSns-71.awsdns-08.com2016-02-24 → 2026-03-22 · 3 obs

○ 2015-11-16 15:09:08
● 2016-02-24 17:00:12
● 2026-03-22 20:19:48

●NSns-894.awsdns-47.net2016-02-24 → 2026-03-22 · 3 obs

○ 2015-11-16 15:09:08
● 2016-02-24 17:00:12
● 2026-03-22 20:19:48

○NSns1.thirdcoastnetworks.net2015-07-13 → 2015-11-16 · 4 obs

● 2015-07-13 23:08:06
● 2015-11-16 15:09:08
○ 2016-02-24 17:00:12
○ 2026-03-22 20:19:48

○NSns2.thirdcoastnetworks.net2015-07-13 → 2015-11-16 · 4 obs

● 2015-07-13 23:08:06
● 2015-11-16 15:09:08
○ 2016-02-24 17:00:12
○ 2026-03-22 20:19:48

○MXmail.thirdcoastnetworks.net2015-07-13 → 2016-11-07 · 4 obs

● 2015-07-13 23:08:06
● 2016-11-07 07:49:04
○ 2016-12-21 12:48:06
○ 2026-03-22 20:19:48

○MXpostfix.thirdcoastnetworks.net2016-02-24 → 2016-11-07 · 5 obs

○ 2015-07-13 23:08:06
● 2016-02-24 17:00:12
● 2016-11-07 07:49:04
○ 2016-12-21 12:48:06
○ 2026-03-22 20:19:48

●MXrelay.thirdcoastnetworks.net2016-12-21 → 2026-03-22 · 3 obs

○ 2016-11-07 07:49:04
● 2016-12-21 12:48:06
● 2026-03-22 20:19:48

○A173.243.117.2492015-07-13 → 2016-12-21 · 3 obs

● 2015-07-13 23:08:06
● 2016-12-21 12:48:06
○ 2026-03-22 20:19:48

●A98.206.91.212026-03-22 → 2026-03-22 · 2 obs

○ 2016-12-21 12:48:06
● 2026-03-22 20:19:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
thirdcoastnetworks.net	ns-71.awsdns-08.com, ns-894.awsdns-47.net, ns-1545.awsdns-01.co.uk, ns-1167.awsdns-17.org	1 record

✅ Authoritative Response

Server: 205.251.192.71

NS records: ns-71.awsdns-08.com, ns-894.awsdns-47.net, ns-1545.awsdns-01.co.uk, ns-1167.awsdns-17.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for thirdcoastnetworks.net (unsigned zone)

⏱️ Timing

Total: 371ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`98.206.91.21`
NS	4	`ns-1167.awsdns-17.org, ns-1545.awsdns-01.co.uk...`
MX	1	`relay.thirdcoastnetworks.net (pri: 10)`
TXT	1	`_globalsign-domain-verification=vZBxxWsc`
SOA	1	`ns-71.awsdns-08.com awsdns-hostmaster.am`

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (ns-894.awsdns-47.net)

Analysis

Hierarchy

thirdcoastnetworks.net is a parent of www.thirdcoastnetworks.net, relay.thirdcoastnetworks.net, mail.thirdcoastnetworks.net and postfix.thirdcoastnetworks.net.

IP Addresses

thirdcoastnetworks.net points to a single IP number: 98.206.91.21.

Other host names like www.thirdcoastnetworks.net and c-98-206-91-21.hsd1.il.comcast.net share IP numbers with thirdcoastnetworks.net.

Name Servers

thirdcoastnetworks.net is delegated to four name servers: ns-71.awsdns-08.com, ns-894.awsdns-47.net, ns-1167.awsdns-17.org and ns-1545.awsdns-01.co.uk.

thirdcoastnetworks.net at least partially shares name servers with other domains, for instance mobeezio.com, autosofeurope.com, maiscampus.com.br, vmadmin.net and mosek.com.

These name servers are commonly used with the name servers ns-1356.awsdns-41.org.

Host names with two IP numbers:

Host name ns-71.awsdns-08.com points to: 2600:9000:5300:4700::1 and 205.251.192.71.

Host name ns-894.awsdns-47.net points to: 2600:9000:5303:7e00::1 and 205.251.195.126.

Host name ns-1167.awsdns-17.org points to: 2600:9000:5304:8f00::1 and 205.251.196.143.

Host name ns-1545.awsdns-01.co.uk points to: 2600:9000:5306:900::1 and 205.251.198.9.

Mail Servers

thirdcoastnetworks.net is handled by a single mail server, relay.thirdcoastnetworks.net.

Host name relay.thirdcoastnetworks.net points to IP address 54.236.93.67.

thirdcoastnetworks.net - robtex.com