`optimizationcentre.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::ac43:9f2a^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::6815:e82^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.14.130^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.159.42^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`lynn.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3bc9^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lynn.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1c9^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`lynn.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21c9^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`lynn.ns.cloudflare.com`
		A	108.162.193.201^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lynn.ns.cloudflare.com`
		A	172.64.33.201^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lynn.ns.cloudflare.com`
		A	173.245.59.201^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lynn.ns.cloudflare.com`
NS	`robin.ns.cloudflare.com`
		A	2606:4700:50::adf5:3ada^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`robin.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0da^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`robin.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20da^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`robin.ns.cloudflare.com`
		A	108.162.192.218^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`robin.ns.cloudflare.com`
		A	172.64.32.218^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`robin.ns.cloudflare.com`
		A	173.245.58.218^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`robin.ns.cloudflare.com`
MX	`optimizationcentre-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:c801::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sn1pr0501cu00101.inbound.protection.outlook.com`
		A	2a01:111:f403:c92c::2^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-dm2pr04cu00102.inbound.protection.outlook.com`
		A	2a01:111:f403:c946::4^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-ch0pr04cu00504.inbound.protection.outlook.com`
		A	2a01:111:f403:f802::3^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sj0pr03cu01403.inbound.protection.outlook.com`
		A	52.101.9.11^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-bl2pr04cu00103.inbound.protection.outlook.com`
		A	52.101.11.15^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sa9pr02cu00207.inbound.protection.outlook.com`
		A	52.101.42.18^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-co1pr03cu00302.inbound.protection.outlook.com`
		A	52.101.194.3^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-ch1pr04cu00103.inbound.protection.outlook.com`
TXT	`MS=ms73614088`
TXT	`google-site-verification=D9IyaWaKWYMszxDHz2fb2LqDGKM9P_9PHlpJ4P5xulM`
TXT	`google-site-verification=NA0c73Gg6VypEVyuoT3bwuZ8Y9qsIlj-Fb02ymaklVc`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.14.130, 172.67.159.42
		IPv6	2606:4700:3030::ac43:9f2a, 2606:4700:3033::6815:e82
SOA	`lynn.ns.cloudflare.com`dns@cloudflare.com serial=2397230912

`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=1771291435

Subdomains

www.optimizationcentre.com

Same first word

optimizationcentre.com

DNS History

10 records (7 active, 3 former)

●NSlynn.ns.cloudflare.com2026-02-15 → 2026-03-02 · 3 obs

○ 2017-09-08 06:35:32
● 2026-02-15 20:47:44
● 2026-03-02 18:02:16

○NSns67.domaincontrol.com2017-09-08 → 2017-09-08 · 3 obs

● 2017-09-08 06:35:32
○ 2026-02-15 20:47:44
○ 2026-03-02 18:02:16

○NSns68.domaincontrol.com2017-09-08 → 2017-09-08 · 3 obs

● 2017-09-08 06:35:32
○ 2026-02-15 20:47:44
○ 2026-03-02 18:02:16

●NSrobin.ns.cloudflare.com2026-02-15 → 2026-03-02 · 3 obs

○ 2017-09-08 06:35:32
● 2026-02-15 20:47:44
● 2026-03-02 18:02:16

●MXoptimizationcentre-com.mail.protection.outlook.com2026-02-15 → 2026-03-02 · 2 obs

● 2026-02-15 20:47:44
● 2026-03-02 18:02:16

●A104.21.14.1302026-02-15 → 2026-03-02 · 3 obs

○ 2017-09-08 06:35:32
● 2026-02-15 20:47:44
● 2026-03-02 18:02:16

●A172.67.159.422026-02-15 → 2026-03-02 · 3 obs

○ 2017-09-08 06:35:32
● 2026-02-15 20:47:44
● 2026-03-02 18:02:16

○A184.168.221.472017-09-08 → 2017-09-08 · 3 obs

● 2017-09-08 06:35:32
○ 2026-02-15 20:47:44
○ 2026-03-02 18:02:16

●A2606:4700:3030::ac43:9f2a2026-02-15 → 2026-03-02 · 3 obs

○ 2017-09-08 06:35:32
● 2026-02-15 20:47:44
● 2026-03-02 18:02:16

●A2606:4700:3033::6815:e822026-02-15 → 2026-03-02 · 3 obs

○ 2017-09-08 06:35:32
● 2026-02-15 20:47:44
● 2026-03-02 18:02:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
optimizationcentre.com	lynn.ns.cloudflare.com, robin.ns.cloudflare.com	12 records

✅ Authoritative Response

Server: 108.162.192.218

NS records: lynn.ns.cloudflare.com, robin.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for optimizationcentre.com (unsigned zone)

⏱️ Timing

Total: 385ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.159.42, 104.21.14.130`
AAAA	2	`2606:4700:3030::ac43:9f2a, 2606:4700:3033::6815:e82`
NS	2	`lynn.ns.cloudflare.com, robin.ns.cloudflare.com`
MX	1	`optimizationcentre-com.mail.protection.o`
TXT	4	`MS=ms73614088, google-site-verification=D9IyaWaKWYMszxD...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`lynn.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

optimizationcentre.com is a parent of www.optimizationcentre.com.

IP Addresses

optimizationcentre.com points to four IP numbers: 2606:4700:3030::ac43:9f2a, 2606:4700:3033::6815:e82, 104.21.14.130 and 172.67.159.42.

Other host names, for instance schulzforcongress.com, simonetambasco.com, qingdaolishan.cn, sucx.fr and pro.brockwindows.com share IP numbers with optimizationcentre.com.

Name Servers

Delegation for optimizationcentre.com rests with two name servers, lynn.ns.cloudflare.com and robin.ns.cloudflare.com.

optimizationcentre.com shares the same name server setup as other domains, including alchemy43.com, miedzyuszami.pl, iwi.org.pl, sculpmd.com and ironbeauty.com.

optimizationcentre.com at least partially shares name servers with other domains, for instance powerglasspipeline.com, webignite.nz, leonhilleryea.com, prairiesprinterinc.ca and elsantotaqueria.com.

These name servers are commonly used with the name servers cass.ns.cloudflare.com.

Host names with six IP numbers: lynn.ns.cloudflare.com points to: 2606:4700:58::adf5:3bc9, 2803:f800:50::6ca2:c1c9, 2a06:98c1:50::ac40:21c9, 108.162.193.201, 172.64.33.201 and 173.245.59.201. robin.ns.cloudflare.com points to: 2606:4700:50::adf5:3ada, 2803:f800:50::6ca2:c0da, 2a06:98c1:50::ac40:20da, 108.162.192.218, 172.64.32.218 and 173.245.58.218.

Mail Servers

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

optimizationcentre-com.mail.protection.outlook.com resolves to eight IP addresses: 2a01:111:f403:c801::1, 2a01:111:f403:c92c::2, 2a01:111:f403:c946::4, 2a01:111:f403:f802::3, 52.101.9.11, 52.101.11.15, 52.101.42.18 and 52.101.194.3.

optimizationcentre.com - robtex.com