costoptimizer.com - dns.ninja

`costoptimizer.com`

DNSSEC	⚠️ Not signed
A	165.160.13.20^{🇺🇸 CORPORATION-1165.160.13.0/24 251 Little Falls Drive Wilmington DE 19808 United States}
A	165.160.15.20^{🇺🇸 CORPORATION-1165.160.15.0/24 251 Little Falls Drive Wilmington DE 19808 United States}
NS	`ns-1139.awsdns-14.org` ⭐
		A	2600:9000:5304:7300::1^{🇺🇸 Amazon2600:9000:5304::/48 - CloudFront}
			PTR	`ns-1139.awsdns-14.org`
		A	205.251.196.115^{🇺🇸 Amazon205.251.196.0/24 prefix}
			PTR	`ns-1139.awsdns-14.org`
NS	`ns-1732.awsdns-24.co.uk`
		A	2600:9000:5306:c400::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1732.awsdns-24.co.uk`
		A	205.251.198.196^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1732.awsdns-24.co.uk`
NS	`ns-55.awsdns-06.com`
		A	2600:9000:5300:3700::1^{🇺🇸 Amazon2600:9000:5300::/48 - CloudFront}
			PTR	`ns-55.awsdns-06.com`
		A	205.251.192.55^{🇺🇸 Amazon205.251.192.0/24 prefix}
			PTR	`ns-55.awsdns-06.com`
NS	`ns-585.awsdns-09.net`
		A	2600:9000:5302:4900::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-585.awsdns-09.net`
		A	205.251.194.73^{🇺🇸 Amazon205.251.194.0/24 prefix}
MX	`custmx.cscdns.net` ⭐
		A	198.58.121.58^{🇺🇸 AKAMAI-LINODE-AP198.58.96.0/19 Akamai Technologies}
			PTR	`198-58-121-58.ip.linodeusercontent.com`
SOA	`ns-1139.awsdns-14.org`awsdns-hostmaster@amazon.com serial=1

`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=1786351669

Subdomains

web.costoptimizer.com

Same first word

costoptimizer.com

costoptimizer.ai

DNS History

14 records (7 active, 7 former)

●NSns-1139.awsdns-14.org2026-03-20 → 2026-08-10 · 3 obs

○ 2017-10-12 00:00:36
● 2026-03-20 20:50:52
● 2026-08-10 09:01:36

●NSns-1732.awsdns-24.co.uk2026-03-20 → 2026-08-10 · 3 obs

○ 2017-10-12 00:00:36
● 2026-03-20 20:50:52
● 2026-08-10 09:01:36

●NSns-55.awsdns-06.com2026-03-20 → 2026-08-10 · 3 obs

○ 2017-10-12 00:00:36
● 2026-03-20 20:50:52
● 2026-08-10 09:01:36

●NSns-585.awsdns-09.net2026-03-20 → 2026-08-10 · 3 obs

○ 2017-10-12 00:00:36
● 2026-03-20 20:50:52
● 2026-08-10 09:01:36

○NSns95.worldnic.com2015-08-15 → 2017-10-12 · 5 obs

○ 2008-08-26 07:32:04
● 2015-08-15 10:24:24
● 2017-10-12 00:00:36
○ 2026-03-20 20:50:52
○ 2026-08-10 09:01:36

○NSns96.worldnic.com2015-08-15 → 2017-10-12 · 5 obs

○ 2008-08-26 07:32:04
● 2015-08-15 10:24:24
● 2017-10-12 00:00:36
○ 2026-03-20 20:50:52
○ 2026-08-10 09:01:36

○NStoroon63nszp02.srvr.bell.ca2008-08-26 → 2008-08-26 · 3 obs

● 2008-08-26 07:32:04
○ 2015-08-15 10:24:24
○ 2026-08-10 09:01:36

○NStoroondcnszs02.srvr.bell.ca2008-08-26 → 2008-08-26 · 3 obs

● 2008-08-26 07:32:04
○ 2015-08-15 10:24:24
○ 2026-08-10 09:01:36

●MXcustmx.cscdns.net2026-03-20 → 2026-08-10 · 3 obs

○ 2017-10-12 00:00:36
● 2026-03-20 20:50:52
● 2026-08-10 09:01:36

○MXp.webcom.ctmail.com2015-12-07 → 2017-10-12 · 4 obs

● 2015-12-07 02:45:32
● 2017-10-12 00:00:36
○ 2026-03-20 20:50:52
○ 2026-08-10 09:01:36

●A165.160.13.202026-03-20 → 2026-08-10 · 3 obs

○ 2017-10-12 00:00:36
● 2026-03-20 20:50:52
● 2026-08-10 09:01:36

●A165.160.15.202026-03-20 → 2026-08-10 · 3 obs

○ 2017-10-12 00:00:36
● 2026-03-20 20:50:52
● 2026-08-10 09:01:36

○A207.35.180.1342008-08-26 → 2008-08-26 · 3 obs

● 2008-08-26 07:32:04
○ 2015-08-15 10:24:24
○ 2026-08-10 09:01:36

○A72.38.252.1742015-08-15 → 2017-10-12 · 5 obs

○ 2008-08-26 07:32:04
● 2015-08-15 10:24:24
● 2017-10-12 00:00:36
○ 2026-03-20 20:50:52
○ 2026-08-10 09:01:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
costoptimizer.com	ns-55.awsdns-06.com, ns-585.awsdns-09.net, ns-1732.awsdns-24.co.uk, ns-1139.awsdns-14.org	2 records

✅ Authoritative Response

Server:205.251.194.73

NS records: ns-55.awsdns-06.com, ns-585.awsdns-09.net, ns-1732.awsdns-24.co.uk, ns-1139.awsdns-14.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for costoptimizer.com (unsigned zone)

⏱️ Timing

Total: 441ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`165.160.15.20, 165.160.13.20`
NS	4	`ns-1139.awsdns-14.org, ns-1732.awsdns-24.co.uk...`
MX	1	`custmx.cscdns.net (pri: 10)`
SOA	1	`ns-1139.awsdns-14.org awsdns-hostmaster.`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-55.awsdns-06.com, ns-55.awsdns-06.com)

Analysis

Hierarchy

web.costoptimizer.com is a subdomain of costoptimizer.com.

IP Addresses

costoptimizer.com has two IP addresses: 165.160.13.20 and 165.160.15.20

Among the host names that share IP numbers with costoptimizer.com are xyzrolex.com, blindamerica.com, plantes-jardins.com and two others.

Name Servers

The domain costoptimizer.com is delegated to these four name servers: ns-55.awsdns-06.com, ns-585.awsdns-09.net, ns-1139.awsdns-14.org and ns-1732.awsdns-24.co.uk.

The name servers of costoptimizer.com overlap at least partially with those of other domains — among them ed42b6608e03b6d7f4430acb273e86b48ba2ed16a25543f89bc5455cd76f16f.link, sommerpost.dk, compendiumone.com and two more.

Each of the four hosts ns-55.awsdns-06.com, ns-585.awsdns-09.net, ns-1139.awsdns-14.org and ns-1732.awsdns-24.co.uk has two IP addresses. ns-55.awsdns-06.com points to 205.251.192.55 and 2600:9000:5300:3700::1. ns-585.awsdns-09.net points to 205.251.194.73 and 2600:9000:5302:4900::1. ns-1139.awsdns-14.org points to 205.251.196.115 and 2600:9000:5304:7300::1. ns-1732.awsdns-24.co.uk points to 205.251.198.196 and 2600:9000:5306:c400::1.

Mail Servers

costoptimizer.com routes its mail through a single mail server, custmx.cscdns.net.

costoptimizer.com has the same mail server arrangement as a number of other domains, for example keebler.us, disneypensions.co.uk, disneyfamilygatherings.com and two more.

custmx.cscdns.net directs to just one IP number, 198.58.121.58.