kernel.com - dns.ninja

`kernel.com`

DNSSEC	⚠️ Not signed
A	198.185.159.144^{🇺🇸 SQUARESPACE-1198.185.159.0/24 Squarespace, Inc. 459 Broadway, 5th Floor New York, NY 10013 US}
NS	`ns-cloud-c1.googledomains.com` ⭐
		A	2001:4860:4802:32::6c^{🇺🇸 Google2001:4860::/32}
			PTR	`ns-cloud-c1.googledomains.com`
		A	216.239.32.108^{🇺🇸 Google216.239.32.0/24}
			PTR	`ns-cloud-c1.googledomains.com`
NS	`ns-cloud-c2.googledomains.com`
		A	2001:4860:4802:34::6c^{🇺🇸 Google2001:4860::/32}
			PTR	`ns-cloud-c2.googledomains.com`
		A	216.239.34.108^{🇺🇸 Google216.239.34.0/24}
NS	`ns-cloud-c3.googledomains.com`
		A	2001:4860:4802:36::6c^{🇺🇸 Google2001:4860::/32}
		A	216.239.36.108^{🇺🇸 Google216.239.36.0/24}
			PTR	`ns-cloud-c3.googledomains.com`
NS	`ns-cloud-c4.googledomains.com`
		A	2001:4860:4802:38::6c^{🇺🇸 Google2001:4860::/32}
			PTR	`ns-cloud-c4.googledomains.com`
		A	216.239.38.108^{🇺🇸 Google216.239.38.0/24}
			PTR	`ns-cloud-c4.googledomains.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c23::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`yuiadrs-in-f27.1e100.net`
		A	64.233.180.26^{🇺🇸 Google64.233.180.0/24}
			PTR	`on-in-f26.1e100.net`
			PTR	`pe-in-f26.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1a^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.27^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f27.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1a^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f26.1e100.net`
		A	172.253.116.27^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f27.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:4009:c0f::1b^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f27.1e100.net`
		A	192.178.223.26^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f26.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:400c:c00::1a^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`ws-in-f26.1e100.net`
			PTR	`ws-in-x1a.1e100.net`
		A	173.194.76.26^{🇺🇸 Google173.194.76.0/24}
			PTR	`ws-in-f26.1e100.net`
TXT	`BOOswM26VyGKDpVulc4U2-4JVg`
TXT	`v=spf1 ip4:198.199.79.16 a include:mail.zendesk.com include:spf.mailjet.com i...`
TXT	`anthropic-domain-verification-8tfeje=M1aiY6o3l5J6ZrDr8Oo73yDzf`
TXT	`ZOOM_verify_TTt8nL2tS0au_D6lc2D3HA`
TXT	`apple-domain-verification=P3Bw1KAVzxKO8Yii`
TXT	`google-site-verification=DVWvkTdYXH_KoYpHA1FCB8YM3x77uHQ3C5hORsRHh5g`
SOA	`ns-cloud-c1.googledomains.com`cloud-dns-hostmaster@google.com serial=142

`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=1780690546

rank #392738 globally
rank #167896 in the tld
WOT: SAFE (50/100)

Subdomains

api.kernel.com

www.kernel.com

Same first word

kernel.co.nz

kernel.lu

kernel.se

kernel.sh

kernel.pro

kernel.online

kernel.ge

kernel.biz

kernel.rip

kernel.uy

kernel.technology

kernel.expert

kernel.land

kernel.fail

kernel.gr.jp

kernel.cn

kernel.dk

kernel.sa

kernel.com.tw

kernel.us

kernel.at

kernel.support

kernel.kz

kernel.mk

kernel.ir

kernel.ro

kernel.edu

kernel.inf.br

kernel.ws

kernel.ch

kernel.pl

kernel.care

kernel.sk

kernel.finance

kernel.co.jp

kernel.krd

kernel.org

kernel.so

kernel.moe

kernel.debian.net

kernel.bz

kernel.io

kernel.su

kernel.si

kernel.cz

kernel.md

kernel.work

kernel.lv

kernel.net

kernel.pt

kernel.ua

kernel.com.ua

kernel.info

kernel.net.pl

kernel.world

kernel.it

kernel.uk

kernel.cl

kernel.ai

kernel.company

kernel.cc

kernel.no

kernel.lt

kernel.com.mk

kernel.de

kernel.kiev.ua

kernel.hu

kernel.eu

kernel.center

kernel.is

kernel.works

kernel.net.uy

kernel.fish

kernel.mx

kernel.com.uy

kernel.org.pl

kernel.ee

kernel.fr

kernel.me

kernel.com.pl

kernel.wtf

kernel.co

kernel.com

kernel.dnsalias.com

kernel.ltd

DNS History

67 records (10 active, 57 former)

○NSns-1382.awsdns-44.org2015-06-11 → 2017-07-03 · 4 obs

● 2015-06-11 01:19:30
● 2017-07-03 07:42:28
○ 2021-06-30 00:50:40
○ 2026-06-05 20:19:54

○NSns-1637.awsdns-12.co.uk2015-06-11 → 2017-07-03 · 4 obs

● 2015-06-11 01:19:30
● 2017-07-03 07:42:28
○ 2021-06-30 00:50:40
○ 2026-06-05 20:19:54

○NSns-417.awsdns-52.com2015-06-11 → 2017-07-03 · 4 obs

● 2015-06-11 01:19:30
● 2017-07-03 07:42:28
○ 2021-06-30 00:50:40
○ 2026-06-05 20:19:54

○NSns-748.awsdns-29.net2015-06-11 → 2017-07-03 · 4 obs

● 2015-06-11 01:19:30
● 2017-07-03 07:42:28
○ 2021-06-30 00:50:40
○ 2026-06-05 20:19:54

●NSns-cloud-c1.googledomains.com2021-06-30 → 2026-06-05 · 3 obs

○ 2017-07-03 07:42:28
● 2021-06-30 00:50:40
● 2026-06-05 20:19:54

●NSns-cloud-c2.googledomains.com2021-06-30 → 2026-06-05 · 3 obs

○ 2017-07-03 07:42:28
● 2021-06-30 00:50:40
● 2026-06-05 20:19:54

●NSns-cloud-c3.googledomains.com2021-06-30 → 2026-06-05 · 3 obs

○ 2017-07-03 07:42:28
● 2021-06-30 00:50:40
● 2026-06-05 20:19:54

●NSns-cloud-c4.googledomains.com2021-06-30 → 2026-06-05 · 3 obs

○ 2017-07-03 07:42:28
● 2021-06-30 00:50:40
● 2026-06-05 20:19:54

●MXalt1.aspmx.l.google.com2015-06-11 → 2026-06-05 · 2 obs

● 2015-06-11 01:19:30
● 2026-06-05 20:19:54

●MXalt2.aspmx.l.google.com2015-06-11 → 2026-06-05 · 2 obs

● 2015-06-11 01:19:30
● 2026-06-05 20:19:54

●MXalt3.aspmx.l.google.com2021-06-30 → 2026-06-05 · 3 obs

○ 2017-07-03 07:42:28
● 2021-06-30 00:50:40
● 2026-06-05 20:19:54

●MXalt4.aspmx.l.google.com2021-06-30 → 2026-06-05 · 3 obs

○ 2017-07-03 07:42:28
● 2021-06-30 00:50:40
● 2026-06-05 20:19:54

●MXaspmx.l.google.com2015-06-11 → 2026-06-05 · 2 obs

● 2015-06-11 01:19:30
● 2026-06-05 20:19:54

○MXaspmx2.googlemail.com2015-06-11 → 2017-07-03 · 4 obs

● 2015-06-11 01:19:30
● 2017-07-03 07:42:28
○ 2021-06-30 00:50:40
○ 2026-06-05 20:19:54

○MXaspmx3.googlemail.com2015-06-11 → 2017-07-03 · 4 obs

● 2015-06-11 01:19:30
● 2017-07-03 07:42:28
○ 2021-06-30 00:50:40
○ 2026-06-05 20:19:54

●A198.185.159.1442026-02-25 → 2026-06-05 · 3 obs

○ 2021-06-30 00:50:40
● 2026-02-25 19:35:04
● 2026-06-05 20:19:54

○A52.218.128.1392017-07-03 → 2017-07-03 · 4 obs

○ 2016-12-07 15:41:28
● 2017-07-03 07:42:28
○ 2026-02-25 19:35:04
○ 2026-06-05 20:19:54

○A52.218.128.72017-07-03 → 2017-07-03 · 4 obs

○ 2016-12-07 15:41:28
● 2017-07-03 07:42:28
○ 2026-02-25 19:35:04
○ 2026-06-05 20:19:54

○A52.218.144.392017-07-03 → 2017-07-03 · 4 obs

○ 2016-12-07 15:41:28
● 2017-07-03 07:42:28
○ 2026-02-25 19:35:04
○ 2026-06-05 20:19:54

○A52.218.144.672017-07-03 → 2017-07-03 · 4 obs

○ 2016-12-07 15:41:28
● 2017-07-03 07:42:28
○ 2026-02-25 19:35:04
○ 2026-06-05 20:19:54

○A52.218.200.512017-07-03 → 2017-07-03 · 4 obs

○ 2016-12-07 15:41:28
● 2017-07-03 07:42:28
○ 2021-06-30 00:50:40
○ 2026-06-05 20:19:54

○A52.218.200.752017-07-03 → 2017-07-03 · 4 obs

○ 2016-12-07 15:41:28
● 2017-07-03 07:42:28
○ 2026-02-25 19:35:04
○ 2026-06-05 20:19:54

○A54.231.160.112015-09-20 → 2015-09-23 · 5 obs

○ 2015-09-18 10:26:34
● 2015-09-20 23:29:34
● 2015-09-23 14:52:36
○ 2015-09-29 06:58:30
○ 2026-06-05 20:19:54

○A54.231.160.1392015-06-11 → 2015-09-23 · 5 obs

● 2015-06-11 01:19:30
○ 2015-09-18 10:26:34
● 2015-09-23 14:52:36
○ 2015-09-29 06:58:30
○ 2026-06-05 20:19:54

○A54.231.160.1712015-09-18 → 2015-09-18 · 4 obs

○ 2015-06-11 01:19:30
● 2015-09-18 10:26:34
○ 2015-09-20 23:29:34
○ 2026-06-05 20:19:54

○A54.231.160.1872015-09-18 → 2015-09-23 · 6 obs

○ 2015-06-11 01:19:30
● 2015-09-18 10:26:34
○ 2015-09-20 23:29:34
● 2015-09-23 14:52:36
○ 2015-09-29 06:58:30
○ 2026-06-05 20:19:54

○A54.231.160.352015-09-29 → 2015-09-29 · 4 obs

○ 2015-09-23 14:52:36
● 2015-09-29 06:58:30
○ 2017-07-03 07:42:28
○ 2026-06-05 20:19:54

○A54.231.160.912015-06-11 → 2015-09-18 · 4 obs

● 2015-06-11 01:19:30
● 2015-09-18 10:26:34
○ 2015-09-20 23:29:34
○ 2026-06-05 20:19:54

○A54.231.161.1312015-09-18 → 2015-09-18 · 4 obs

○ 2015-06-11 01:19:30
● 2015-09-18 10:26:34
○ 2015-09-20 23:29:34
○ 2026-06-05 20:19:54

○A54.231.161.1792015-09-23 → 2015-09-23 · 4 obs

○ 2015-09-20 23:29:34
● 2015-09-23 14:52:36
○ 2015-09-29 06:58:30
○ 2026-06-05 20:19:54

○A54.231.161.272015-09-23 → 2015-09-23 · 4 obs

○ 2015-09-20 23:29:34
● 2015-09-23 14:52:36
○ 2015-09-29 06:58:30
○ 2026-06-05 20:19:54

○A54.231.161.32015-06-11 → 2015-06-11 · 3 obs

● 2015-06-11 01:19:30
○ 2015-09-18 10:26:34
○ 2026-06-05 20:19:54

○A54.231.161.672015-06-11 → 2015-06-11 · 3 obs

● 2015-06-11 01:19:30
○ 2015-09-18 10:26:34
○ 2026-06-05 20:19:54

○A54.231.161.752015-06-11 → 2015-06-11 · 3 obs

● 2015-06-11 01:19:30
○ 2015-09-18 10:26:34
○ 2026-06-05 20:19:54

○A54.231.161.832015-09-29 → 2015-09-29 · 4 obs

○ 2015-09-23 14:52:36
● 2015-09-29 06:58:30
○ 2017-07-03 07:42:28
○ 2026-06-05 20:19:54

○A54.231.161.912015-09-29 → 2015-09-29 · 4 obs

○ 2015-09-23 14:52:36
● 2015-09-29 06:58:30
○ 2017-07-03 07:42:28
○ 2026-06-05 20:19:54

○A54.231.162.1472015-09-18 → 2015-11-05 · 6 obs

○ 2015-06-11 01:19:30
● 2015-09-18 10:26:34
○ 2015-09-20 23:29:34
● 2015-11-05 13:57:34
○ 2015-11-30 13:09:00
○ 2026-06-05 20:19:54

○A54.231.162.192015-09-18 → 2015-09-18 · 4 obs

○ 2015-06-11 01:19:30
● 2015-09-18 10:26:34
○ 2015-09-20 23:29:34
○ 2026-06-05 20:19:54

○A54.231.162.272015-09-20 → 2015-09-20 · 4 obs

○ 2015-09-18 10:26:34
● 2015-09-20 23:29:34
○ 2015-09-23 14:52:36
○ 2026-06-05 20:19:54

○A54.231.162.352015-09-23 → 2016-02-18 · 6 obs

○ 2015-09-20 23:29:34
● 2015-09-23 14:52:36
○ 2015-09-29 06:58:30
● 2016-02-18 17:40:46
○ 2016-03-09 07:07:10
○ 2026-06-05 20:19:54

○A54.231.162.432015-06-11 → 2015-06-11 · 3 obs

● 2015-06-11 01:19:30
○ 2015-09-18 10:26:34
○ 2026-06-05 20:19:54

○A54.231.162.672015-09-29 → 2015-09-29 · 4 obs

○ 2015-09-23 14:52:36
● 2015-09-29 06:58:30
○ 2017-07-03 07:42:28
○ 2026-06-05 20:19:54

○A54.231.162.992015-06-11 → 2015-06-11 · 3 obs

● 2015-06-11 01:19:30
○ 2015-09-18 10:26:34
○ 2026-06-05 20:19:54

○A54.231.168.1152015-09-20 → 2015-09-29 · 6 obs

○ 2015-09-18 10:26:34
● 2015-09-20 23:29:34
○ 2015-09-23 14:52:36
● 2015-09-29 06:58:30
○ 2015-11-05 13:57:34
○ 2026-06-05 20:19:54

○A54.231.168.1472015-09-29 → 2015-09-29 · 4 obs

○ 2015-09-23 14:52:36
● 2015-09-29 06:58:30
○ 2017-07-03 07:42:28
○ 2026-06-05 20:19:54

○A54.231.168.1512015-09-20 → 2015-09-20 · 4 obs

○ 2015-09-18 10:26:34
● 2015-09-20 23:29:34
○ 2015-09-23 14:52:36
○ 2026-06-05 20:19:54

○A54.231.168.1632016-07-08 → 2016-07-08 · 4 obs

○ 2016-03-09 07:07:10
● 2016-07-08 08:58:50
○ 2016-11-27 06:45:08
○ 2026-06-05 20:19:54

○A54.231.168.192015-09-20 → 2015-09-20 · 4 obs

○ 2015-09-18 10:26:34
● 2015-09-20 23:29:34
○ 2015-09-23 14:52:36
○ 2026-06-05 20:19:54

○A54.231.168.2512017-07-03 → 2017-07-03 · 4 obs

○ 2016-12-07 15:41:28
● 2017-07-03 07:42:28
○ 2026-02-25 19:35:04
○ 2026-06-05 20:19:54

○A54.231.168.272015-09-23 → 2015-09-23 · 4 obs

○ 2015-09-20 23:29:34
● 2015-09-23 14:52:36
○ 2015-09-29 06:58:30
○ 2026-06-05 20:19:54

○A54.231.168.72015-09-18 → 2015-09-18 · 4 obs

○ 2015-06-11 01:19:30
● 2015-09-18 10:26:34
○ 2015-09-20 23:29:34
○ 2026-06-05 20:19:54

○A54.231.169.552016-12-07 → 2017-07-03 · 5 obs

○ 2016-11-27 06:45:08
● 2016-12-07 15:41:28
● 2017-07-03 07:42:28
○ 2021-06-30 00:50:40
○ 2026-06-05 20:19:54

○A54.231.176.1032015-09-29 → 2015-09-29 · 4 obs

○ 2015-09-23 14:52:36
● 2015-09-29 06:58:30
○ 2017-07-03 07:42:28
○ 2026-06-05 20:19:54

○A54.231.176.1552015-09-18 → 2015-09-18 · 4 obs

○ 2015-06-11 01:19:30
● 2015-09-18 10:26:34
○ 2015-09-20 23:29:34
○ 2026-06-05 20:19:54

○A54.231.176.1992015-11-30 → 2015-11-30 · 4 obs

○ 2015-11-05 13:57:34
● 2015-11-30 13:09:00
○ 2016-02-18 17:40:46
○ 2026-06-05 20:19:54

○A54.231.176.2232017-07-03 → 2017-07-03 · 4 obs

○ 2016-12-07 15:41:28
● 2017-07-03 07:42:28
○ 2026-02-25 19:35:04
○ 2026-06-05 20:19:54

○A54.231.176.2272016-11-27 → 2016-11-27 · 4 obs

○ 2016-07-08 08:58:50
● 2016-11-27 06:45:08
○ 2016-12-07 15:41:28
○ 2026-06-05 20:19:54

○A54.231.176.2312016-03-09 → 2016-03-09 · 4 obs

○ 2016-02-18 17:40:46
● 2016-03-09 07:07:10
○ 2016-07-08 08:58:50
○ 2026-06-05 20:19:54

○A54.231.176.32015-06-11 → 2015-06-11 · 3 obs

● 2015-06-11 01:19:30
○ 2015-09-18 10:26:34
○ 2026-06-05 20:19:54

○A54.231.176.472015-09-20 → 2015-09-23 · 5 obs

○ 2015-09-18 10:26:34
● 2015-09-20 23:29:34
● 2015-09-23 14:52:36
○ 2015-09-29 06:58:30
○ 2026-06-05 20:19:54

○A54.231.184.1192015-09-18 → 2015-09-18 · 4 obs

○ 2015-06-11 01:19:30
● 2015-09-18 10:26:34
○ 2015-09-20 23:29:34
○ 2026-06-05 20:19:54

○A54.231.184.1552015-09-20 → 2015-09-20 · 4 obs

○ 2015-09-18 10:26:34
● 2015-09-20 23:29:34
○ 2015-09-23 14:52:36
○ 2026-06-05 20:19:54

○A54.231.184.232015-09-20 → 2015-09-20 · 4 obs

○ 2015-09-18 10:26:34
● 2015-09-20 23:29:34
○ 2015-09-23 14:52:36
○ 2026-06-05 20:19:54

○A54.231.184.312015-09-29 → 2015-09-29 · 4 obs

○ 2015-09-23 14:52:36
● 2015-09-29 06:58:30
○ 2017-07-03 07:42:28
○ 2026-06-05 20:19:54

○A54.231.184.392015-09-20 → 2015-09-29 · 6 obs

○ 2015-09-18 10:26:34
● 2015-09-20 23:29:34
○ 2015-09-23 14:52:36
● 2015-09-29 06:58:30
○ 2017-07-03 07:42:28
○ 2026-06-05 20:19:54

○A75.2.70.752021-06-30 → 2021-06-30 · 4 obs

○ 2017-07-03 07:42:28
● 2021-06-30 00:50:40
○ 2026-02-25 19:35:04
○ 2026-06-05 20:19:54

○A99.83.190.1022021-06-30 → 2021-06-30 · 4 obs

○ 2017-07-03 07:42:28
● 2021-06-30 00:50:40
○ 2026-02-25 19:35:04
○ 2026-06-05 20:19:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	i.gtld-servers.net, e.gtld-servers.net, f.gtld-servers.net, g.gtld-servers.net...	-
kernel.com	ns-cloud-c1.googledomains.com, ns-cloud-c2.googledomains.com, ns-cloud-c3.googledomains.com, ns-cloud-c4.googledomains.com	8 records

✅ Authoritative Response

Server:216.239.34.108

NS records: ns-cloud-c1.googledomains.com, ns-cloud-c2.googledomains.com, ns-cloud-c3.googledomains.com, ns-cloud-c4.googledomains.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for kernel.com (unsigned zone)

⏱️ Timing

Total: 4809ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`198.185.159.144`
NS	4	`ns-cloud-c1.googledomains.com, ns-cloud-c4.googledomains.com...`
MX	5	`aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...`
TXT	6	`ZOOM_verify_TTt8nL2tS0au_D6lc2D3HA, anthropic-domain-verification-8tfeje=M1a...`
SOA	1	`ns-cloud-c1.googledomains.com cloud-dns-`

📌 Glue Records Collected

Total: 8

Out-of-bailiwick: 8 (ns-cloud-c1.googledomains.com, ns-cloud-c1.googledomains.com, ns-cloud-c2.googledomains.com...)

Analysis

Hierarchy

The parent domain of api.kernel.com and www.kernel.com is kernel.com.

IP Addresses

kernel.com directs to one IP number, which is 198.185.159.144.

Among the host names that share IP numbers with kernel.com are direct-glass.com, farndelldevelopments.com, heightsbiergarten.com and two others.

Name Servers

kernel.com is served by 4 authoritative name servers: ns-cloud-c1.googledomains.com, ns-cloud-c2.googledomains.com, ns-cloud-c3.googledomains.com and ns-cloud-c4.googledomains.com.

There is at least partial name server overlap between kernel.com and other domains — mallorcarib.com, x6h2tsbh.com, wovenlegacies.com and two more among them.

All four hostnames — ns-cloud-c1.googledomains.com, ns-cloud-c2.googledomains.com, ns-cloud-c3.googledomains.com and ns-cloud-c4.googledomains.com — resolve to two IP numbers apiece: ns-cloud-c1.googledomains.com to 216.239.32.108 and 2001:4860:4802:32::6c; ns-cloud-c2.googledomains.com to 216.239.34.108 and 2001:4860:4802:34::6c; ns-cloud-c3.googledomains.com to 216.239.36.108 and 2001:4860:4802:36::6c; ns-cloud-c4.googledomains.com to 216.239.38.108 and 2001:4860:4802:38::6c.

Mail Servers

kernel.com uses 5 mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com plus two additional ones.

kernel.com shares at least some of its mail servers with other domains — for example fwdmagazine.com, ns500671.ns500731.ns500742.ns500704.ns500705.ns500704.ns500671.ns500678.ns500649.lustychickser.com, ns500731.ns500671.ns500731.ns500704.ns500705.ns500688.ns500704.ns500666.ns500142.lusty(0x736c7574)z.com and two more.

It is common for these mail servers to co-occur with alt4.aspmx.l.google.com, alt3.aspmx.l.google.com, aspmx2.googlemail.com and aspmx3.googlemail.com as mail servers.

Hosts with two IP numbers each:

aspmx.l.google.com directs traffic to 64.233.180.26 and 2607:f8b0:4004:c23::1b.

alt1.aspmx.l.google.com directs traffic to 108.177.123.27 and 2800:3f0:4003:c0f::1a.

alt2.aspmx.l.google.com directs traffic to 172.253.116.27 and 2a00:1450:400b:c02::1a.

alt3.aspmx.l.google.com directs traffic to 192.178.223.26 and 2a00:1450:4009:c0f::1b.

alt4.aspmx.l.google.com directs traffic to 173.194.76.26 and 2a00:1450:400c:c00::1a.