`extremebrain.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:2429^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:b8b9^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.36.41^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.184.185^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`desi.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a60^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`desi.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c060^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`desi.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2060^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`desi.ns.cloudflare.com`
		A	108.162.192.96^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`desi.ns.cloudflare.com`
		A	172.64.32.96^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`desi.ns.cloudflare.com`
		A	173.245.58.96^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`desi.ns.cloudflare.com`
NS	`jason.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bb3^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jason.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1b3^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`jason.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21b3^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`jason.ns.cloudflare.com`
		A	108.162.193.179^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jason.ns.cloudflare.com`
		A	172.64.33.179^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jason.ns.cloudflare.com`
		A	173.245.59.179^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jason.ns.cloudflare.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=Xjvx0Hu9Eka2gd29`
TXT	`google-site-verification=jQwdAYtIFH3CtnOdX4yb_ygk1OxeNbQL0EaI9v2lu4w`
TXT	`google-site-verification=tKP-CdwflCosRh1U-IzVXqY_LtfhcbK0nARV8DOInN0`
TXT	`v=spf1 include:icloud.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.36.41, 172.67.184.185
		IPv6	2606:4700:3031::6815:2429, 2606:4700:3037::ac43:b8b9
SOA	`desi.ns.cloudflare.com`dns@cloudflare.com serial=2396084070

`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

Same first word

extremebrain.org

DNS History

23 records (8 active, 15 former)

●NSdesi.ns.cloudflare.com2016-12-02 → 2026-03-08 · 3 obs

○ 2016-04-10 07:10:20
● 2016-12-02 12:21:32
● 2026-03-08 04:10:38

○NSfreedns1.registrar-servers.com2015-06-10 → 2016-04-10 · 5 obs

○ 2008-10-29 04:08:58
● 2015-06-10 01:34:40
● 2016-04-10 07:10:20
○ 2016-12-02 12:21:32
○ 2026-03-08 04:10:38

○NSfreedns2.registrar-servers.com2015-06-10 → 2016-04-10 · 5 obs

○ 2008-10-29 04:08:58
● 2015-06-10 01:34:40
● 2016-04-10 07:10:20
○ 2016-12-02 12:21:32
○ 2026-03-08 04:10:38

○NSfreedns3.registrar-servers.com2015-06-10 → 2016-04-10 · 5 obs

○ 2008-10-29 04:08:58
● 2015-06-10 01:34:40
● 2016-04-10 07:10:20
○ 2016-12-02 12:21:32
○ 2026-03-08 04:10:38

○NSfreedns4.registrar-servers.com2015-06-10 → 2016-04-10 · 5 obs

○ 2008-10-29 04:08:58
● 2015-06-10 01:34:40
● 2016-04-10 07:10:20
○ 2016-12-02 12:21:32
○ 2026-03-08 04:10:38

○NSfreedns5.registrar-servers.com2015-06-10 → 2016-04-10 · 5 obs

○ 2008-10-29 04:08:58
● 2015-06-10 01:34:40
● 2016-04-10 07:10:20
○ 2016-12-02 12:21:32
○ 2026-03-08 04:10:38

●NSjason.ns.cloudflare.com2016-12-02 → 2026-03-08 · 3 obs

○ 2016-04-10 07:10:20
● 2016-12-02 12:21:32
● 2026-03-08 04:10:38

○NSns1.extremebrain.com2008-10-29 → 2008-10-29 · 3 obs

● 2008-10-29 04:08:58
○ 2015-06-10 01:34:40
○ 2026-03-08 04:10:38

○NSns2.extremebrain.com2008-10-29 → 2008-10-29 · 3 obs

● 2008-10-29 04:08:58
○ 2015-06-10 01:34:40
○ 2026-03-08 04:10:38

○MXextremebrain.com2008-10-29 → 2008-10-29 · 3 obs

● 2008-10-29 04:08:58
○ 2015-06-10 01:34:40
○ 2026-03-08 04:10:38

○MXmail.extremebrain.com2015-06-10 → 2017-06-26 · 5 obs

○ 2008-10-29 04:08:58
● 2015-06-10 01:34:40
● 2017-06-26 05:05:00
○ 2026-03-08 04:10:36
○ 2026-03-08 04:10:38

●MXmx01.mail.icloud.com2026-03-08 → 2026-03-08 · 3 obs

○ 2017-06-26 05:05:00
● 2026-03-08 04:10:36
● 2026-03-08 04:10:38

●MXmx02.mail.icloud.com2026-03-08 → 2026-03-08 · 3 obs

○ 2017-06-26 05:05:00
● 2026-03-08 04:10:36
● 2026-03-08 04:10:38

○A104.18.32.1602016-12-02 → 2017-06-26 · 5 obs

○ 2016-04-10 07:10:20
● 2016-12-02 12:21:32
● 2017-06-26 05:05:00
○ 2026-03-08 04:10:36
○ 2026-03-08 04:10:38

○A104.18.33.1602016-12-02 → 2017-06-26 · 5 obs

○ 2016-04-10 07:10:20
● 2016-12-02 12:21:32
● 2017-06-26 05:05:00
○ 2026-03-08 04:10:36
○ 2026-03-08 04:10:38

●A104.21.36.412026-03-08 → 2026-03-08 · 3 obs

○ 2017-06-26 05:05:00
● 2026-03-08 04:10:36
● 2026-03-08 04:10:38

○A143.95.38.412015-06-10 → 2016-04-10 · 5 obs

○ 2008-10-29 04:08:58
● 2015-06-10 01:34:40
● 2016-04-10 07:10:20
○ 2016-12-02 12:21:32
○ 2026-03-08 04:10:38

●A172.67.184.1852026-03-08 → 2026-03-08 · 3 obs

○ 2017-06-26 05:05:00
● 2026-03-08 04:10:36
● 2026-03-08 04:10:38

○A2400:cb00:2048:1::6812:20a02016-12-02 → 2017-06-26 · 5 obs

○ 2016-04-10 07:10:20
● 2016-12-02 12:21:32
● 2017-06-26 05:05:00
○ 2026-03-08 04:10:36
○ 2026-03-08 04:10:38

○A2400:cb00:2048:1::6812:21a02016-12-02 → 2017-06-26 · 5 obs

○ 2016-04-10 07:10:20
● 2016-12-02 12:21:32
● 2017-06-26 05:05:00
○ 2026-03-08 04:10:36
○ 2026-03-08 04:10:38

●A2606:4700:3031::6815:24292026-03-08 → 2026-03-08 · 3 obs

○ 2017-06-26 05:05:00
● 2026-03-08 04:10:36
● 2026-03-08 04:10:38

●A2606:4700:3037::ac43:b8b92026-03-08 → 2026-03-08 · 3 obs

○ 2017-06-26 05:05:00
● 2026-03-08 04:10:36
● 2026-03-08 04:10:38

○A70.87.237.182008-10-29 → 2008-10-29 · 3 obs

● 2008-10-29 04:08:58
○ 2015-06-10 01:34:40
○ 2026-03-08 04:10:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
extremebrain.com	desi.ns.cloudflare.com, jason.ns.cloudflare.com	12 records

✅ Authoritative Response

Server: 108.162.192.96

NS records: desi.ns.cloudflare.com, jason.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for extremebrain.com (unsigned zone)

⏱️ Timing

Total: 112ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.184.185, 104.21.36.41`
AAAA	2	`2606:4700:3037::ac43:b8b9, 2606:4700:3031::6815:2429`
NS	2	`desi.ns.cloudflare.com, jason.ns.cloudflare.com`
MX	2	`mx01.mail.icloud.com (pri: 10), mx02.mail.icloud.com (pri: 10)`
TXT	4	`apple-domain=Xjvx0Hu9Eka2gd29, google-site-verification=jQwdAYtIFH3CtnO...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`desi.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

extremebrain.com resolves to four IPs: 2606:4700:3031::6815:2429, 2606:4700:3037::ac43:b8b9, 104.21.36.41 and 172.67.184.185.

Other host names, for instance bizoncovers.com, kadinmasallari.com, gymaid.com, dojoclutch.com and bongdanet.net share IP numbers with extremebrain.com.

Name Servers

extremebrain.com has two name servers: desi.ns.cloudflare.com and jason.ns.cloudflare.com.

extremebrain.com shares the same name server setup as other domains, for example rewardcamp.com, terminallygill.com, nonprofitwebclass.com, silverghostcellars.com and worldunityradio.net.

extremebrain.com shares some name servers with other domains, for example steve.museum, amadeus-equipment.co.uk, e-bayraksepeti.com, me-zone.cn and latinlove.org.

These name servers are often used together with wells.ns.cloudflare.com, odin.ns.cloudflare.com and teresa.ns.cloudflare.com.

Host names with six IP numbers: desi.ns.cloudflare.com points to: 2606:4700:50::adf5:3a60, 2803:f800:50::6ca2:c060, 2a06:98c1:50::ac40:2060, 108.162.192.96, 172.64.32.96 and 173.245.58.96; jason.ns.cloudflare.com points to: 2606:4700:58::adf5:3bb3, 2803:f800:50::6ca2:c1b3, 2a06:98c1:50::ac40:21b3, 108.162.193.179, 172.64.33.179 and 173.245.59.179.

Mail Servers

extremebrain.com is served by two mail servers: mx01.mail.icloud.com and mx02.mail.icloud.com.

extremebrain.com shares the mail server setup with other domains, for example bethelightofbeauty.com, jkrauss.de, heimdal.eu, ludwigschubert.com and ambitions.work.

extremebrain.com shares mail servers with other domains at least partially, for example zoole.net, walohd.com, ferguson.co.za and micheleandkeith.com.

Host names with six IP numbers: mx01.mail.icloud.com points to 17.42.251.62, 17.56.9.31, 17.57.152.5, 17.57.154.33, 17.57.155.25 and 17.57.156.30. The host name mx02.mail.icloud.com points to the same six: 17.42.251.62, 17.56.9.31, 17.57.152.5, 17.57.154.33, 17.57.155.25 and 17.57.156.30. The IPs 17.42.251.62, 17.56.9.31, 17.57.152.5, 17.57.154.33, 17.57.155.25 and 17.57.156.30 are shared by host names mx01.mail.icloud.com and mx02.mail.icloud.com.

Host names that point to 17.42.251.62: mx01.mail.icloud.com and mx02.mail.icloud.com. Host names that point to 17.56.9.31: mx01.mail.icloud.com and mx02.mail.icloud.com. Host names that point to 17.57.152.5: mx01.mail.icloud.com and mx02.mail.icloud.com. Host names that point to 17.57.154.33: mx01.mail.icloud.com and mx02.mail.icloud.com. Host names that point to 17.57.155.25: mx01.mail.icloud.com and mx02.mail.icloud.com. Host names that point to 17.57.156.30: mx01.mail.icloud.com and mx02.mail.icloud.com.

extremebrain.com - robtex.com