`courtesyauto.net`

DNSSEC	⚠️ Not signed
A	72.52.252.138^{🇺🇸 LiquidWeb72.52.128.0/17 Liquid Web LLC 2703 Ena Dr. Lansing, MI 48917}
		PTR	`jtz.jtzent1.com`
NS	`ns1.higherturnover.com` ⭐
		A	72.52.252.138^{🇺🇸 LiquidWeb72.52.128.0/17 Liquid Web LLC 2703 Ena Dr. Lansing, MI 48917}
			PTR	`jtz.jtzent1.com`
NS	`ns1.jtzent1.com`
		A	72.52.252.138^{🇺🇸 LiquidWeb72.52.128.0/17 Liquid Web LLC 2703 Ena Dr. Lansing, MI 48917}
			PTR	`jtz.jtzent1.com`
NS	`ns2.jtzent1.com`
		A	72.52.252.138^{🇺🇸 LiquidWeb72.52.128.0/17 Liquid Web LLC 2703 Ena Dr. Lansing, MI 48917}
			PTR	`jtz.jtzent1.com`
MX	`courtesyauto.net` ⭐
		A	72.52.252.138^{🇺🇸 LiquidWeb72.52.128.0/17 Liquid Web LLC 2703 Ena Dr. Lansing, MI 48917}
			PTR	`jtz.jtzent1.com`
TXT	`v=spf1 ip4:72.52.252.138 +a +mx ~all`
TXT	`v=DKIM1; k=rsa; h=sha256; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDCdmwN/9xH3...`
SOA	`ns1.higherturnover.com`webmaster@jtzenterprise.com 2026-02-20 #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

WOT: SAFE (70/100)

MX for

courtesyauto.net

Same first word

courtesyauto.net

courtesyauto.com

DNS History

10 records (5 active, 5 former)

●NSns1.higherturnover.com2026-02-20 → 2026-03-24 · 3 obs

○ 2015-05-25 10:33:48
● 2026-02-20 21:06:34
● 2026-03-24 12:10:24

●NSns1.jtzent1.com2015-05-25 → 2026-03-24 · 3 obs

○ 2007-10-10 01:00:50
● 2015-05-25 10:33:48
● 2026-03-24 12:10:24

○NSns1.westnic.net2007-10-10 → 2007-10-10 · 3 obs

● 2007-10-10 01:00:50
○ 2015-05-25 10:33:48
○ 2026-03-24 12:10:24

●NSns2.jtzent1.com2015-05-25 → 2026-03-24 · 3 obs

○ 2007-10-10 01:00:50
● 2015-05-25 10:33:48
● 2026-03-24 12:10:24

○NSns2.westnic.net2007-10-10 → 2007-10-10 · 3 obs

● 2007-10-10 01:00:50
○ 2015-05-25 10:33:48
○ 2026-03-24 12:10:24

●MXcourtesyauto.net2007-10-10 → 2026-03-24 · 2 obs

● 2007-10-10 01:00:50
● 2026-03-24 12:10:24

○A198.57.194.2482015-05-25 → 2016-08-11 · 5 obs

○ 2007-10-10 01:00:50
● 2015-05-25 10:33:48
● 2016-08-11 17:46:16
○ 2017-03-29 14:35:58
○ 2026-03-24 12:10:24

●A72.52.252.1382026-02-20 → 2026-03-24 · 3 obs

○ 2017-03-29 14:35:58
● 2026-02-20 21:06:34
● 2026-03-24 12:10:24

○A75.126.144.1812007-10-10 → 2007-10-10 · 3 obs

● 2007-10-10 01:00:50
○ 2015-05-25 10:33:48
○ 2026-03-24 12:10:24

○A97.74.4.1332017-03-29 → 2017-03-29 · 4 obs

○ 2016-08-11 17:46:16
● 2017-03-29 14:35:58
○ 2026-02-20 21:06:34
○ 2026-03-24 12:10:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
courtesyauto.net	ns1.jtzent1.com, ns2.jtzent1.com	-

✅ Authoritative Response

Server:72.52.252.138

NS records: ns1.jtzent1.com, ns2.jtzent1.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for courtesyauto.net (unsigned zone)

⏱️ Timing

Total: 439ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`72.52.252.138`
NS	2	`ns1.jtzent1.com, ns2.jtzent1.com`
MX	1	`courtesyauto.net (pri: 0)`
TXT	2	`v=DKIM1; k=rsa; h=sha256; p=MIGfMA0GCSqG, v=spf1 ip4:72.52.252.138 +a +mx ~all`
SOA	1	`ns1.higherturnover.com webmaster.jtzente`

Analysis

Mail Server Role

courtesyauto.net serves as the mail server for courtesyauto.net.

IP Addresses

courtesyauto.net resolves to a single IP address: 72.52.252.138.

Other host names including valogging.com, ns2.jtzent1.com, keywarranty.net, alldealerinventory.com and carspluslenoir.com share IP numbers with courtesyauto.net.

Name Servers

courtesyauto.net is delegated to three name servers: ns1.higherturnover.com, ns1.jtzent1.com and ns2.jtzent1.com.

courtesyauto.net at least partially shares name servers with other domains, including comsoft.mobi, vanswithwheelchairlifts.com, valuemaxnc.com, scautos.org and htparent.com.

These name servers are often used together with ns2.higherturnover.com.

Host names with one IP number

ns1.higherturnover.com points to 72.52.252.138

ns1.jtzent1.com points to 72.52.252.138

ns2.jtzent1.com points to 72.52.252.138

Host names pointing to 72.52.252.138: ns1.higherturnover.com, ns1.jtzent1.com and ns2.jtzent1.com

Mail Servers

A single mail server handles courtesyauto.net.

courtesyauto.net points to a single IP: 72.52.252.138.

courtesyauto.net - robtex.com