`corycox.com`

DNSSEC	🔒 Signed (DS record present)
A	76.76.21.21^{🇺🇸 Amazon76.76.21.0/24 EC2 Prefix}
NS	`ns-cloud-b1.googledomains.com` ⭐
		A	2001:4860:4802:32::6b^{🇺🇸 Google2001:4860::/32}
			PTR	`ns-cloud-b1.googledomains.com`
		A	216.239.32.107^{🇺🇸 Google216.239.32.0/24}
			PTR	`ns-cloud-b1.googledomains.com`
NS	`ns-cloud-b2.googledomains.com`
		A	2001:4860:4802:34::6b^{🇺🇸 Google2001:4860::/32}
			PTR	`ns-cloud-b2.googledomains.com`
		A	216.239.34.107^{🇺🇸 Google216.239.34.0/24}
			PTR	`ns-cloud-b2.googledomains.com`
NS	`ns-cloud-b3.googledomains.com`
		A	2001:4860:4802:36::6b^{🇺🇸 Google2001:4860::/32}
			PTR	`ns-cloud-b3.googledomains.com`
		A	216.239.36.107^{🇺🇸 Google216.239.36.0/24}
			PTR	`ns-cloud-b3.googledomains.com`
NS	`ns-cloud-b4.googledomains.com`
		A	2001:4860:4802:38::6b^{🇺🇸 Google2001:4860::/32}
			PTR	`ns-cloud-b4.googledomains.com`
		A	216.239.38.107^{🇺🇸 Google216.239.38.0/24}
			PTR	`ns-cloud-b4.googledomains.com`
MX	`mx01.mail.icloud.com` ⭐
		A	17.42.251.62^{🇺🇸 Apple17.42.0.0/16}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
			PTR	`mx3.mail.icloud.com`
		A	17.56.9.31^{🇺🇸 Apple17.56.9.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.152.5^{🇺🇸 Apple17.57.152.0/23}
			PTR	`ic4-privaterelay.appleid.com`
			PTR	`smtp1.ic4-privaterelay.appleid.com`
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.154.33^{🇺🇸 Apple17.57.154.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.155.25^{🇺🇸 Apple17.57.155.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.156.30^{🇺🇸 Apple17.57.156.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
MX	`mx02.mail.icloud.com` ⭐
		A	17.42.251.62^{🇺🇸 Apple17.42.0.0/16}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
			PTR	`mx3.mail.icloud.com`
		A	17.56.9.31^{🇺🇸 Apple17.56.9.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.152.5^{🇺🇸 Apple17.57.152.0/23}
			PTR	`ic4-privaterelay.appleid.com`
			PTR	`smtp1.ic4-privaterelay.appleid.com`
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.154.33^{🇺🇸 Apple17.57.154.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.155.25^{🇺🇸 Apple17.57.155.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.156.30^{🇺🇸 Apple17.57.156.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
TXT	`apple-domain=0AmBtzf6SLCpWTxY`
TXT	`v=spf1 include:icloud.com ~all`
TXT	`v=spf1 ip4:66.96.128.0/18 ?all`
SOA	`ns-cloud-b1.googledomains.com`cloud-dns-hostmaster@google.com serial=13

`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=1774585952

Subdomains

mx.corycox.com

Same first word

corycox.com

DNS History

13 records (7 active, 6 former)

●NSns-cloud-b1.googledomains.com2026-03-27 → 2026-03-27 · 3 obs

○ 2018-09-29 15:31:28
● 2026-03-27 04:40:48
● 2026-03-27 04:40:56

●NSns-cloud-b2.googledomains.com2026-03-27 → 2026-03-27 · 3 obs

○ 2018-09-29 15:31:28
● 2026-03-27 04:40:48
● 2026-03-27 04:40:56

●NSns-cloud-b3.googledomains.com2026-03-27 → 2026-03-27 · 3 obs

○ 2018-09-29 15:31:28
● 2026-03-27 04:40:48
● 2026-03-27 04:40:56

●NSns-cloud-b4.googledomains.com2026-03-27 → 2026-03-27 · 3 obs

○ 2018-09-29 15:31:28
● 2026-03-27 04:40:48
● 2026-03-27 04:40:56

○NSns1.ipower.com2015-05-13 → 2018-09-29 · 4 obs

● 2015-05-13 14:46:14
● 2018-09-29 15:31:28
○ 2026-03-27 04:40:48
○ 2026-03-27 04:40:56

○NSns2.ipower.com2015-05-13 → 2018-09-29 · 4 obs

● 2015-05-13 14:46:14
● 2018-09-29 15:31:28
○ 2026-03-27 04:40:48
○ 2026-03-27 04:40:56

○MXmx.corycox.com2015-05-13 → 2018-09-29 · 4 obs

● 2015-05-13 14:46:14
● 2018-09-29 15:31:28
○ 2026-03-27 04:40:48
○ 2026-03-27 04:40:56

●MXmx01.mail.icloud.com2026-03-27 → 2026-03-27 · 3 obs

○ 2018-09-29 15:31:28
● 2026-03-27 04:40:48
● 2026-03-27 04:40:56

●MXmx02.mail.icloud.com2026-03-27 → 2026-03-27 · 3 obs

○ 2018-09-29 15:31:28
● 2026-03-27 04:40:48
● 2026-03-27 04:40:56

○A66.96.132.1202015-05-13 → 2015-11-04 · 4 obs

● 2015-05-13 14:46:14
● 2015-11-04 00:35:48
○ 2016-02-05 15:05:30
○ 2026-03-27 04:40:56

○A66.96.149.162016-02-05 → 2016-06-18 · 5 obs

○ 2015-11-04 00:35:48
● 2016-02-05 15:05:30
● 2016-06-18 11:09:32
○ 2017-02-02 21:36:50
○ 2026-03-27 04:40:56

○A66.96.149.212017-02-02 → 2018-09-29 · 5 obs

○ 2016-06-18 11:09:32
● 2017-02-02 21:36:50
● 2018-09-29 15:31:28
○ 2026-03-27 04:40:48
○ 2026-03-27 04:40:56

●A76.76.21.212026-03-27 → 2026-03-27 · 3 obs

○ 2018-09-29 15:31:28
● 2026-03-27 04:40:48
● 2026-03-27 04:40:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	k.gtld-servers.net, m.gtld-servers.net, g.gtld-servers.net, d.gtld-servers.net...	-
corycox.com	ns-cloud-b1.googledomains.com, ns-cloud-b2.googledomains.com, ns-cloud-b3.googledomains.com, ns-cloud-b4.googledomains.com	8 records

✅ Authoritative Response

Server:216.239.38.107

NS records: ns-cloud-b1.googledomains.com, ns-cloud-b2.googledomains.com, ns-cloud-b3.googledomains.com, ns-cloud-b4.googledomains.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 393ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`76.76.21.21`
NS	4	`ns-cloud-b4.googledomains.com, ns-cloud-b1.googledomains.com...`
MX	2	`mx01.mail.icloud.com (pri: 10), mx02.mail.icloud.com (pri: 10)`
TXT	3	`v=spf1 ip4:66.96.128.0/18 ?all, v=spf1 include:icloud.com ~all...`
SOA	1	`ns-cloud-b1.googledomains.com cloud-dns-`

📌 Glue Records Collected

Total: 8

Out-of-bailiwick: 8 (ns-cloud-b1.googledomains.com, ns-cloud-b1.googledomains.com, ns-cloud-b2.googledomains.com...)

Analysis

Hierarchy

corycox.com is a parent of mx.corycox.com.

IP Addresses

corycox.com points to a single IP number: 76.76.21.21.

Other host names, for instance arena-danang.edu.vn, pointed.at, gleb.exposed, www.netronaut.de and mgconcept.in share IP numbers with corycox.com.

Name Servers

corycox.com is delegated to four name servers: ns-cloud-b1.googledomains.com, ns-cloud-b2.googledomains.com, ns-cloud-b3.googledomains.com and ns-cloud-b4.googledomains.com.

corycox.com at least partially shares name servers with other domains, for instance ppweather.com, retinacare.com, clickingup.com, entropy.business and kibblesco.com.

Host names with two IP numbers:

ns-cloud-b1.googledomains.com points to: 2001:4860:4802:32::6b and 216.239.32.107.

ns-cloud-b2.googledomains.com points to: 2001:4860:4802:34::6b and 216.239.34.107.

ns-cloud-b3.googledomains.com points to: 2001:4860:4802:36::6b and 216.239.36.107.

ns-cloud-b4.googledomains.com points to: 2001:4860:4802:38::6b and 216.239.38.107.

Mail Servers

corycox.com is handled by two mail servers: mx01.mail.icloud.com and mx02.mail.icloud.com.

corycox.com uses the same mail server configuration as other domains, such as newland.land, fivemilemountain.com, levyrueff.com, 0x00.space and play.mx.