`extremeconcepts.com`

DNSSEC	⚠️ Not signed
A	142.129.14.51^{🇺🇸 Roadrunner142.129.0.0/16 RR-Route}
		PTR	`syn-142-129-014-051.res.spectrum.com`
NS	`ns73.domaincontrol.com` ⭐
		A	2603:5:21a4::2f^{🇺🇸 GODADDY-DNS2603:5:21a0::/44}
			PTR	`ns73.domaincontrol.com`
		A	97.74.106.47^{🇺🇸 GODADDY-DNS97.74.106.0/23}
			PTR	`ns73.domaincontrol.com`
NS	`ns74.domaincontrol.com`
		A	2603:5:22a4::2f^{🇺🇸 GODADDY-DNS2603:5:22a0::/44}
			PTR	`ns74.domaincontrol.com`
		A	173.201.74.47^{🇺🇸 GODADDY-DNS173.201.74.0/23}
			PTR	`ns74.domaincontrol.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}
		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}
		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	`D1630755`
TXT	`apple-domain=NpJtQweAWwTICshs`
TXT	`v=spf1 include:icloud.com ~all`
SOA	`ns73.domaincontrol.com`dns@jomax.net 2026-05-01 #0

`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=1785247932

Same first word

extremeconcepts.com

DNS History

9 records (5 active, 4 former)

●NSns73.domaincontrol.com2015-07-14 → 2026-07-28 · 2 obs

● 2015-07-14 02:46:48
● 2026-07-28 14:13:30

●NSns74.domaincontrol.com2015-07-14 → 2026-07-28 · 2 obs

● 2015-07-14 02:46:48
● 2026-07-28 14:13:30

○MXmailstore1.secureserver.net2015-07-14 → 2019-01-17 · 4 obs

● 2015-07-14 02:46:48
● 2019-01-17 08:55:06
○ 2026-05-29 18:37:14
○ 2026-07-28 14:13:30

●MXmx01.mail.icloud.com2026-05-29 → 2026-07-28 · 3 obs

○ 2019-01-17 08:55:06
● 2026-05-29 18:37:14
● 2026-07-28 14:13:30

●MXmx02.mail.icloud.com2026-05-29 → 2026-07-28 · 3 obs

○ 2019-01-17 08:55:06
● 2026-05-29 18:37:14
● 2026-07-28 14:13:30

○MXsmtp.secureserver.net2015-07-14 → 2019-01-17 · 4 obs

● 2015-07-14 02:46:48
● 2019-01-17 08:55:06
○ 2026-05-29 18:37:14
○ 2026-07-28 14:13:30

●A142.129.14.512026-05-29 → 2026-07-28 · 3 obs

○ 2019-01-17 08:55:06
● 2026-05-29 18:37:14
● 2026-07-28 14:13:30

○A50.63.44.12019-01-17 → 2019-01-17 · 4 obs

○ 2017-02-17 04:31:52
● 2019-01-17 08:55:06
○ 2026-05-29 18:37:14
○ 2026-07-28 14:13:30

○A97.74.144.1932015-07-14 → 2017-02-17 · 4 obs

● 2015-07-14 02:46:48
● 2017-02-17 04:31:52
○ 2019-01-17 08:55:06
○ 2026-07-28 14:13:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	e.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, l.gtld-servers.net...	-
extremeconcepts.com	ns73.domaincontrol.com, ns74.domaincontrol.com	4 records

✅ Authoritative Response

Server:97.74.106.47

NS records: ns73.domaincontrol.com, ns74.domaincontrol.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for extremeconcepts.com (unsigned zone)

⏱️ Timing

Total: 197ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`142.129.14.51`
NS	2	`ns73.domaincontrol.com, ns74.domaincontrol.com`
MX	2	`mx01.mail.icloud.com (pri: 10), mx02.mail.icloud.com (pri: 10)`
TXT	3	`D1630755, apple-domain=NpJtQweAWwTICshs...`
SOA	1	`ns73.domaincontrol.com dns.jomax.net`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns73.domaincontrol.com, ns73.domaincontrol.com, ns74.domaincontrol.com...)

Analysis

IP Addresses

extremeconcepts.com resolves to one IP address: 142.129.14.51.

Among the host names that share IP numbers with extremeconcepts.com is linktodeals.com, as one example.

Name Servers

The NS records for extremeconcepts.com delegate to ns73.domaincontrol.com and ns74.domaincontrol.com.

extremeconcepts.com uses the same name servers as several other domains — among them sicamet.com, braveravebook.com, homesforsaleavon.com and two more.

extremeconcepts.com and other domains like lekker.com.mx share at least a portion of their name servers.

ns73.domaincontrol.com resolves to 97.74.106.47 and 2603:5:21a4::2f. Likewise, ns74.domaincontrol.com resolves to 173.201.74.47 and 2603:5:22a4::2f — two IP addresses apiece.

Mail Servers

Mail for extremeconcepts.com is handled by two mail servers — mx01.mail.icloud.com and mx02.mail.icloud.com.

extremeconcepts.com uses an identical mail server configuration to several other domains — among them jetzone.biz, marcoporro.eu, tomkrush.com and two more.

extremeconcepts.com and other domains — wertz.me for instance — share at least some mail servers.

Hostnames that resolve to 6 IP addresses:

mx01.mail.icloud.com maps to 17.42.251.62, 17.56.9.31, 17.57.152.5 and 3 additional IP addresses.

mx02.mail.icloud.com maps to 17.42.251.62, 17.56.9.31, 17.57.152.5 and 3 additional IP addresses.

mx01.mail.icloud.com and mx02.mail.icloud.com each have 17.42.251.62 IP addresses.

mx01.mail.icloud.com and mx02.mail.icloud.com each have 17.56.9.31 IP addresses.

mx01.mail.icloud.com and mx02.mail.icloud.com each have 17.57.152.5 IP addresses.

mx01.mail.icloud.com and mx02.mail.icloud.com each have 17.57.154.33 IP addresses.

mx01.mail.icloud.com and mx02.mail.icloud.com each have 17.57.155.25 IP addresses.

mx01.mail.icloud.com and mx02.mail.icloud.com each have 17.57.156.30 IP addresses.