`grandcentraloptical.com`

DNSSEC	⚠️ Not signed
A	151.101.2.159^{🇺🇸 Fastly151.101.0.0/22}
NS	`donald.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b9e^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`donald.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c19e^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`donald.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:219e^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`donald.ns.cloudflare.com`
		A	108.162.193.158^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`donald.ns.cloudflare.com`
		A	172.64.33.158^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`donald.ns.cloudflare.com`
		A	173.245.59.158^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`donald.ns.cloudflare.com`
NS	`gene.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a9e^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gene.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c09e^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`gene.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:209e^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`gene.ns.cloudflare.com`
		A	108.162.192.158^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gene.ns.cloudflare.com`
		A	172.64.32.158^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gene.ns.cloudflare.com`
		A	173.245.58.158^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gene.ns.cloudflare.com`
MX	`grandcentraloptical-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:c91d::a^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-co1pr21cu00202.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:c92c::3^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-dm5pr04cu00103.inbound.protection.outlook.com`
		A	2a01:111:f403:f910::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-cy5pr03cu00300.inbound.protection.outlook.com`
		A	52.101.10.18^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-bn8pr05cu00302.inbound.protection.outlook.com`
		A	52.101.11.13^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sn1pr0501cu00205.inbound.protection.outlook.com`
		A	52.101.41.3^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sj2pr05cu00103.inbound.protection.outlook.com`
		A	52.101.50.10^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-mw2pr02cu00502.inbound.protection.outlook.com`
MX	`smtp.secureserver.net` ⭐
		A	216.69.141.71^{🇺🇸 AS398101216.69.140.0/22}
			PTR	`osplibsmtp01-v01.prod.phx3.secureserver.net`
		A	216.69.141.84^{🇺🇸 AS398101216.69.140.0/22}
			PTR	`osplibsmtp02-v01.prod.phx3.secureserver.net`
		A	216.69.141.113^{🇺🇸 AS398101216.69.140.0/22}
			PTR	`osplibsmtp03-v01.prod.phx3.secureserver.net`
MX	`mailstore1.secureserver.net`⁽¹⁰⁾
		A	216.69.141.78^{🇺🇸 AS398101216.69.140.0/22}
			PTR	`osplibsmtp01-v02.prod.phx3.secureserver.net`
		A	216.69.141.114^{🇺🇸 AS398101216.69.140.0/22}
			PTR	`osplibsmtp03-v02.prod.phx3.secureserver.net`
		A	216.69.141.162^{🇺🇸 AS398101216.69.140.0/22}
			PTR	`osplibsmtp02-v02.prod.phx3.secureserver.net`
TXT	`v=spf1 a mx ip:23.239.10.65 ip:151.101.2.159 ip:23.239.10.65 include:securese...`
SOA	`donald.ns.cloudflare.com`dns@cloudflare.com serial=2400634146

`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=1776100932

Subdomains

pbx.grandcentraloptical.com

Same first word

grandcentraloptical.com

DNS History

20 records (6 active, 14 former)

○NSdns01.gpn.register.com2007-10-23 → 2007-10-23 · 3 obs

● 2007-10-23 14:10:04
○ 2015-06-21 15:55:30
○ 2026-04-13 17:34:00

○NSdns02.gpn.register.com2007-10-23 → 2007-10-23 · 3 obs

● 2007-10-23 14:10:04
○ 2015-06-21 15:55:30
○ 2026-04-13 17:34:00

○NSdns03.gpn.register.com2007-10-23 → 2007-10-23 · 3 obs

● 2007-10-23 14:10:04
○ 2015-06-21 15:55:30
○ 2026-04-13 17:34:00

○NSdns04.gpn.register.com2007-10-23 → 2007-10-23 · 3 obs

● 2007-10-23 14:10:04
○ 2015-06-21 15:55:30
○ 2026-04-13 17:34:00

○NSdns05.gpn.register.com2007-10-23 → 2007-10-23 · 3 obs

● 2007-10-23 14:10:04
○ 2015-06-21 15:55:30
○ 2026-04-13 17:34:00

●NSdonald.ns.cloudflare.com2018-11-18 → 2026-04-13 · 3 obs

○ 2017-02-12 21:22:02
● 2018-11-18 03:37:34
● 2026-04-13 17:34:00

●NSgene.ns.cloudflare.com2018-11-18 → 2026-04-13 · 3 obs

○ 2017-02-12 21:22:02
● 2018-11-18 03:37:34
● 2026-04-13 17:34:00

○NSns33.domaincontrol.com2015-06-21 → 2017-02-12 · 5 obs

○ 2007-10-23 14:10:04
● 2015-06-21 15:55:30
● 2017-02-12 21:22:02
○ 2018-11-18 03:37:34
○ 2026-04-13 17:34:00

○NSns34.domaincontrol.com2015-06-21 → 2017-02-12 · 5 obs

○ 2007-10-23 14:10:04
● 2015-06-21 15:55:30
● 2017-02-12 21:22:02
○ 2018-11-18 03:37:34
○ 2026-04-13 17:34:00

●MXgrandcentraloptical-com.mail.protection.outlook.com2026-04-12 → 2026-04-13 · 3 obs

○ 2015-06-21 15:55:30
● 2026-04-12 11:19:18
● 2026-04-13 17:34:00

●MXmailstore1.secureserver.net2015-06-21 → 2026-04-13 · 3 obs

○ 2007-10-23 14:10:04
● 2015-06-21 15:55:30
● 2026-04-13 17:34:00

○MXmxin.name-services.com2007-10-23 → 2007-10-23 · 3 obs

● 2007-10-23 14:10:04
○ 2015-06-21 15:55:30
○ 2026-04-13 17:34:00

●MXsmtp.secureserver.net2015-06-21 → 2026-04-13 · 3 obs

○ 2007-10-23 14:10:04
● 2015-06-21 15:55:30
● 2026-04-13 17:34:00

○A104.27.130.1542018-11-18 → 2018-11-18 · 4 obs

○ 2017-02-12 21:22:02
● 2018-11-18 03:37:34
○ 2026-04-12 11:19:18
○ 2026-04-13 17:34:00

○A104.27.131.1542018-11-18 → 2018-11-18 · 4 obs

○ 2017-02-12 21:22:02
● 2018-11-18 03:37:34
○ 2026-04-12 11:19:18
○ 2026-04-13 17:34:00

●A151.101.2.1592026-04-12 → 2026-04-13 · 3 obs

○ 2018-11-18 03:37:34
● 2026-04-12 11:19:18
● 2026-04-13 17:34:00

○A184.168.203.12015-06-21 → 2017-02-12 · 5 obs

○ 2007-10-23 14:10:04
● 2015-06-21 15:55:30
● 2017-02-12 21:22:02
○ 2018-11-18 03:37:34
○ 2026-04-13 17:34:00

○A192.31.222.382007-10-23 → 2007-10-23 · 3 obs

● 2007-10-23 14:10:04
○ 2015-06-21 15:55:30
○ 2026-04-13 17:34:00

○A2606:4700:30::681b:829a2018-11-18 → 2018-11-18 · 4 obs

○ 2017-02-12 21:22:02
● 2018-11-18 03:37:34
○ 2026-04-12 11:19:18
○ 2026-04-13 17:34:00

○A2606:4700:30::681b:839a2018-11-18 → 2018-11-18 · 4 obs

○ 2017-02-12 21:22:02
● 2018-11-18 03:37:34
○ 2026-04-12 11:19:18
○ 2026-04-13 17:34:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, b.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
grandcentraloptical.com	gene.ns.cloudflare.com, donald.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.158

NS records: gene.ns.cloudflare.com, donald.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for grandcentraloptical.com (unsigned zone)

⏱️ Timing

Total: 162ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`151.101.2.159`
NS	2	`donald.ns.cloudflare.com, gene.ns.cloudflare.com`
MX	3	`grandcentraloptical-com.mail.protection., smtp.secureserver.net (pri: 0)...`
TXT	1	`v=spf1 a mx ip:23.239.10.65 ip:151.101.2`
SOA	1	`donald.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

The parent of pbx.grandcentraloptical.com is grandcentraloptical.com.

IP Addresses

grandcentraloptical.com points to an IP address: 151.101.2.159.

other host names include brokerconveyancing.com, blowfishtequila.com, mail.lymphedemasurgeon.com, chattingchildren.com and scmebf.org; they share IP numbers with grandcentraloptical.com.

Name Servers

Two name servers donald.ns.cloudflare.com and gene.ns.cloudflare.com handle the delegation for grandcentraloptical.com.

grandcentraloptical.com shares the same name server setup as other domains, for instance albilad.org, iraqi-alamal.net, o3gc.com, tammuz.org and blackhat.expert.

grandcentraloptical.com at least partially shares name servers with other domains, for instance motoboxapp.com, doobic.com, econetra.online, babydump-cyclingteam.nl and plentycar.ru.

These name servers are commonly used alongside magnolia.ns.cloudflare.com.

Six IP addresses per host:

donald.ns.cloudflare.com points to 2606:4700:58::adf5:3b9e, 2803:f800:50::6ca2:c19e, 2a06:98c1:50::ac40:219e, 108.162.193.158, 172.64.33.158 and 173.245.59.158; gene.ns.cloudflare.com points to 2606:4700:50::adf5:3a9e, 2803:f800:50::6ca2:c09e, 2a06:98c1:50::ac40:209e, 108.162.192.158, 172.64.32.158 and 173.245.58.158

Mail Servers

Three mail servers handle grandcentraloptical.com: mailstore1.secureserver.net, smtp.secureserver.net and grandcentraloptical-com.mail.protection.outlook.com.

grandcentraloptical.com shares at least partially some mail servers with other domains, for instance mentherapyhalifax.com, adultmovie.directory, fromthestreets.in, secondarymarket.info and packardclaims.net.

Host names with eight IP numbers: grandcentraloptical-com.mail.protection.outlook.com points to 2a01:111:f403:c91d::a, 2a01:111:f403:c92c::2, 2a01:111:f403:c92c::3, 2a01:111:f403:f910::, 52.101.10.18, 52.101.11.13, 52.101.41.3 and 52.101.50.10.

Host names with three IP numbers: mailstore1.secureserver.net points to 216.69.141.78, 216.69.141.114 and 216.69.141.162; smtp.secureserver.net points to 216.69.141.71, 216.69.141.84 and undefined.

grandcentraloptical.com - robtex.com