`optimum-response.com`

DNSSEC	⚠️ Not signed
NS	`meadow.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:2633^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`meadow.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c233^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`meadow.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2233^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`meadow.ns.cloudflare.com`
		A	108.162.194.51^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`meadow.ns.cloudflare.com`
		A	162.159.38.51^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`meadow.ns.cloudflare.com`
		A	172.64.34.51^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`meadow.ns.cloudflare.com`
NS	`sean.ns.cloudflare.com`
		A	2606:4700:58::adf5:3be7^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sean.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1e7^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`sean.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21e7^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`sean.ns.cloudflare.com`
		A	108.162.193.231^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sean.ns.cloudflare.com`
		A	172.64.33.231^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sean.ns.cloudflare.com`
		A	173.245.59.231^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sean.ns.cloudflare.com`
MX	`route2.mx.cloudflare.net` ⭐
		A	2606:4700:f5::e^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::f^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::10^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.17^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.18^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.19^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
MX	`route3.mx.cloudflare.net`⁽⁸⁹⁾
		A	2606:4700:f5::11^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::12^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::13^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.23^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.24^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.25^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
MX	`route1.mx.cloudflare.net`⁽⁹⁰⁾
		A	2606:4700:f5::b^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::c^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::d^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.11^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.12^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.13^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
TXT	`forward-email=duongvu49388@gmail.com`
TXT	`v=spf1 include:_spf.mx.cloudflare.net ~all`
SOA	`meadow.ns.cloudflare.com`dns@cloudflare.com serial=2399727464

`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=1774369342

Same first word

optimum-response.com

DNS History

24 records (5 active, 19 former)

●NSmeadow.ns.cloudflare.com2026-02-19 → 2026-03-24 · 3 obs

○ 2017-06-26 22:24:46
● 2026-02-19 07:28:52
● 2026-03-24 16:38:20

○NSns-cloud-d1.googledomains.com2016-01-23 → 2017-06-26 · 4 obs

● 2016-01-23 20:55:54
● 2017-06-26 22:24:46
○ 2026-02-19 07:28:52
○ 2026-03-24 16:38:20

○NSns-cloud-d2.googledomains.com2016-01-23 → 2017-06-26 · 4 obs

● 2016-01-23 20:55:54
● 2017-06-26 22:24:46
○ 2026-02-19 07:28:52
○ 2026-03-24 16:38:20

○NSns-cloud-d3.googledomains.com2016-01-23 → 2017-06-26 · 4 obs

● 2016-01-23 20:55:54
● 2017-06-26 22:24:46
○ 2026-02-19 07:28:52
○ 2026-03-24 16:38:20

○NSns-cloud-d4.googledomains.com2016-01-23 → 2017-06-26 · 4 obs

● 2016-01-23 20:55:54
● 2017-06-26 22:24:46
○ 2026-02-19 07:28:52
○ 2026-03-24 16:38:20

●NSsean.ns.cloudflare.com2026-02-19 → 2026-03-24 · 3 obs

○ 2017-06-26 22:24:46
● 2026-02-19 07:28:52
● 2026-03-24 16:38:20

○MXalt1.aspmx.l.google.com2016-01-23 → 2017-06-26 · 4 obs

● 2016-01-23 20:55:54
● 2017-06-26 22:24:46
○ 2026-02-19 07:28:52
○ 2026-03-24 16:38:20

○MXalt2.aspmx.l.google.com2016-01-23 → 2017-06-26 · 4 obs

● 2016-01-23 20:55:54
● 2017-06-26 22:24:46
○ 2026-02-19 07:28:52
○ 2026-03-24 16:38:20

○MXalt3.aspmx.l.google.com2016-01-23 → 2017-06-26 · 4 obs

● 2016-01-23 20:55:54
● 2017-06-26 22:24:46
○ 2026-02-19 07:28:52
○ 2026-03-24 16:38:20

○MXalt4.aspmx.l.google.com2016-01-23 → 2017-06-26 · 4 obs

● 2016-01-23 20:55:54
● 2017-06-26 22:24:46
○ 2026-02-19 07:28:52
○ 2026-03-24 16:38:20

○MXaspmx.l.google.com2016-01-23 → 2017-06-26 · 4 obs

● 2016-01-23 20:55:54
● 2017-06-26 22:24:46
○ 2026-02-19 07:28:52
○ 2026-03-24 16:38:20

○MXmx1.forwardemail.net2026-02-19 → 2026-02-19 · 4 obs

○ 2017-06-26 22:24:46
● 2026-02-19 07:28:52
○ 2026-03-24 16:38:18
○ 2026-03-24 16:38:20

○MXmx2.forwardemail.net2026-02-19 → 2026-02-19 · 4 obs

○ 2017-06-26 22:24:46
● 2026-02-19 07:28:52
○ 2026-03-24 16:38:18
○ 2026-03-24 16:38:20

●MXroute1.mx.cloudflare.net2026-03-24 → 2026-03-24 · 3 obs

○ 2026-02-19 07:28:52
● 2026-03-24 16:38:18
● 2026-03-24 16:38:20

●MXroute2.mx.cloudflare.net2026-03-24 → 2026-03-24 · 3 obs

○ 2026-02-19 07:28:52
● 2026-03-24 16:38:18
● 2026-03-24 16:38:20

●MXroute3.mx.cloudflare.net2026-03-24 → 2026-03-24 · 3 obs

○ 2026-02-19 07:28:52
● 2026-03-24 16:38:18
● 2026-03-24 16:38:20

○A2001:4860:4802:32::152016-04-16 → 2017-06-26 · 4 obs

● 2016-04-16 03:06:40
● 2017-06-26 22:24:46
○ 2026-02-19 07:28:52
○ 2026-03-24 16:38:20

○A2001:4860:4802:34::152016-04-16 → 2017-06-26 · 4 obs

● 2016-04-16 03:06:40
● 2017-06-26 22:24:46
○ 2026-02-19 07:28:52
○ 2026-03-24 16:38:20

○A2001:4860:4802:36::152016-04-16 → 2017-06-26 · 4 obs

● 2016-04-16 03:06:40
● 2017-06-26 22:24:46
○ 2026-02-19 07:28:52
○ 2026-03-24 16:38:20

○A2001:4860:4802:38::152016-04-16 → 2017-06-26 · 4 obs

● 2016-04-16 03:06:40
● 2017-06-26 22:24:46
○ 2026-02-19 07:28:52
○ 2026-03-24 16:38:20

○A216.239.32.212016-04-16 → 2017-06-26 · 4 obs

● 2016-04-16 03:06:40
● 2017-06-26 22:24:46
○ 2026-02-19 07:28:52
○ 2026-03-24 16:38:20

○A216.239.34.212016-04-16 → 2017-06-26 · 4 obs

● 2016-04-16 03:06:40
● 2017-06-26 22:24:46
○ 2026-02-19 07:28:52
○ 2026-03-24 16:38:20

○A216.239.36.212016-04-16 → 2017-06-26 · 4 obs

● 2016-04-16 03:06:40
● 2017-06-26 22:24:46
○ 2026-02-19 07:28:52
○ 2026-03-24 16:38:20

○A216.239.38.212016-04-16 → 2017-06-26 · 4 obs

● 2016-04-16 03:06:40
● 2017-06-26 22:24:46
○ 2026-02-19 07:28:52
○ 2026-03-24 16:38:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
optimum-response.com	sean.ns.cloudflare.com, meadow.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.231

NS records: sean.ns.cloudflare.com, meadow.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for optimum-response.com (unsigned zone)

⏱️ Timing

Total: 184ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`meadow.ns.cloudflare.com, sean.ns.cloudflare.com`
MX	3	`route2.mx.cloudflare.net (pri: 8), route3.mx.cloudflare.net (pri: 89)...`
TXT	2	`forward-email=duongvu49388@gmail.com, v=spf1 include:_spf.mx.cloudflare.net ~a`
SOA	1	`meadow.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

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

Analysis

Name Servers

optimum-response.com is delegated to two name servers meadow.ns.cloudflare.com and sean.ns.cloudflare.com.

optimum-response.com shares the same name server setup as other domains, for instance flashaddiction.com, viatechconsulting.net, photographescolaire.fr, exolutiondesign.com and lidgetttech.com.

optimum-response.com at least partially shares name servers with other domains, for instance jiashunyh.com, pizen.cn, storhub.co.kr, champsas.com and bkkblueboston.com.

These name servers are commonly used alongside luciana.ns.cloudflare.com and brett.ns.cloudflare.com.

Host names with six IP numbers:

Host name meadow.ns.cloudflare.com points to: 2606:4700:50::a29f:2633, 2803:f800:50::6ca2:c233, 2a06:98c1:50::ac40:2233, 108.162.194.51, 162.159.38.51 and 172.64.34.51.

Host name sean.ns.cloudflare.com points to: 2606:4700:58::adf5:3be7, 2803:f800:50::6ca2:c1e7, 2a06:98c1:50::ac40:21e7, 108.162.193.231, 172.64.33.231 and 173.245.59.231.

Mail Servers

optimum-response.com is handled by three mail servers: route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.

optimum-response.com shares some mail servers with other domains, at least partially, for instance qaqmolingqaq.top, isulanature.com, nt-ecom.com, lowonganmedan.com and babar.im.

Host names with six IP numbers:

Host name route1.mx.cloudflare.net points to: 2606:4700:f5::b, 2606:4700:f5::c, 2606:4700:f5::d, 162.159.205.11, 162.159.205.12 and 162.159.205.13.

Host name route2.mx.cloudflare.net points to: 2606:4700:f5::e, 2606:4700:f5::f, 2606:4700:f5::10, 162.159.205.17, 162.159.205.18 and 162.159.205.19.

Host name route3.mx.cloudflare.net points to: 2606:4700:f5::11, 2606:4700:f5::12, 2606:4700:f5::13, 162.159.205.23, 162.159.205.24 and 162.159.205.25.

optimum-response.com - robtex.com