`kernel.edu`

DNSSEC	⚠️ Not signed
A	51.79.82.9^{🇨🇦 OVH51.79.0.0/17 Hosting route}
		PTR	`server.wooriduri.com`
NS	`ns1.domain.com` ⭐
		A	172.64.52.73^{🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns2.domain.com`
		A	172.64.53.117^{🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
MX	`smtp.google.com` ⭐
		A	2607:f8b0:4004:c17::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bl-in-f27.1e100.net`
		A	2607:f8b0:4004:c23::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`yuiadrs-in-f26.1e100.net`
		A	2607:f8b0:4004:c23::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`yuiadrs-in-f27.1e100.net`
		A	2607:f8b0:4004:c27::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`yuiadsk-in-f26.1e100.net`
		A	142.251.16.27^{🇺🇸 Google142.251.16.0/24}
			PTR	`bl-in-f27.1e100.net`
		A	142.251.167.27^{🇺🇸 Google142.251.167.0/24}
			PTR	`ww-in-f27.1e100.net`
		A	172.253.139.27^{🇺🇸 Google172.253.139.0/24}
			PTR	`yuiadsk-in-f27.1e100.net`
		A	192.178.155.26^{🇺🇸 Google192.178.155.0/24}
			PTR	`yuiadrs-in-f26.1e100.net`
		A	192.178.155.27^{🇺🇸 Google192.178.155.0/24}
			PTR	`yuiadrs-in-f27.1e100.net`
TXT	`v=spf1 +a +mx +ip4:51.79.82.9 ~all`
TXT	`google-site-verification=ypz2vQhvnWEI8YH_1u-PrmcJkF_Aoy6BJo6_zhJwoVw`
SOA	`NS1.DOMAIN.COM`dnsadmin@DOMAIN.COM serial=126072017

`edu`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.edu-servers.net` ⭐
	NS	`b.edu-servers.net`
	NS	`c.edu-servers.net`
	NS	`d.edu-servers.net`
	NS	`e.edu-servers.net`
	NS	`f.edu-servers.net`
	NS	`g.edu-servers.net`
	NS	`h.edu-servers.net`
	NS	`i.edu-servers.net`
	NS	`j.edu-servers.net`
	NS	`k.edu-servers.net`
	NS	`l.edu-servers.net`
	NS	`m.edu-servers.net`
	SOA	`a.edu-servers.net`nstld@verisign-grs.com serial=1786406644

Previously MX for

kernel.edu

Subdomains

www.kernel.edu

mx.kernel.edu

Same first word

kernel.gr

kernel.ee

kernel.international

kernel.fr

kernel.me

kernel.com.pl

kernel.wtf

kernel.co

kernel.com

kernel.ltd

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.name

kernel.gr.jp

kernel.cn

kernel.dk

kernel.plus

kernel.sa

kernel.com.tw

kernel.us

kernel.at

kernel.support

kernel.kz

kernel.mk

kernel.ir

kernel.ro

kernel.edu

kernel.ws

kernel.ch

kernel.pl

kernel.care

kernel.sk

kernel.finance

kernel.zone

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.services

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.pics

kernel.com.uy

kernel.org.pl

Similar names

kelren.net

lenker.ru

lenker.com

lenker.cn

lenker.pl

kernle.org

kelner.de

lenrek.fr

lenrek.net

kelner.cz

kelner.ru

lenker.pro

elkner.com

renkle.com

lenker.cz

kelner.net

kerlen.de

lekner.com

kelner.us

kelner.no

lenker.de

lenker.org

lenker.eu

kleren.com

kernle.com

krenel.org

lenrek.com

lenker.name

kleren.pk

lekner.com.ua

kerenl.com

erklen.com

kernle.net

nerkel.com

kelner.fr

kelner.ca

enkler.com

kleenr.in

enkler.net

nerkle.com

kelner.co.il

erkeln.de

lenker.net

lenker.co.nz

kleren.co

elkner.de

kelner.se

lenker.ch

enkler.de

klener.com

nerkle.org

kelren.com

kelner.ee

kerlen.nl

renkel.com

kelner.com

elkner.net

krenel.com

reelnk.com

kleren.info

kleenr.co

kerlen.com

kleren.ru

DNS History

18 records (4 active, 14 former)

○NScpns1.hostingmetro.com2015-05-05 → 2015-05-05 · 3 obs

● 2015-05-05 02:53:28
○ 2015-10-10 17:36:48
○ 2026-08-11 00:04:34

○NScpns2.hostingmetro.com2015-05-05 → 2015-05-05 · 3 obs

● 2015-05-05 02:53:28
○ 2015-10-10 17:36:48
○ 2026-08-11 00:04:34

●NSns1.domain.com2026-02-20 → 2026-08-11 · 3 obs

○ 2021-06-30 00:46:12
● 2026-02-20 01:12:08
● 2026-08-11 00:04:34

○NSns1.giowm1301.siteground.biz2021-06-30 → 2021-06-30 · 4 obs

○ 2016-12-02 07:53:48
● 2021-06-30 00:46:12
○ 2026-02-20 01:12:08
○ 2026-08-11 00:04:34

○NSns1.ipage.com2016-12-02 → 2021-06-30 · 5 obs

○ 2016-07-18 05:26:18
● 2016-12-02 07:53:48
● 2021-06-30 00:46:12
○ 2026-02-20 01:12:08
○ 2026-08-11 00:04:34

○NSns1.servconfig.com2015-10-10 → 2016-07-18 · 5 obs

○ 2015-05-05 02:53:28
● 2015-10-10 17:36:48
● 2016-07-18 05:26:18
○ 2016-12-02 07:53:48
○ 2026-08-11 00:04:34

●NSns2.domain.com2026-02-20 → 2026-08-11 · 3 obs

○ 2021-06-30 00:46:12
● 2026-02-20 01:12:08
● 2026-08-11 00:04:34

○NSns2.ipage.com2016-12-02 → 2021-06-30 · 5 obs

○ 2016-07-18 05:26:18
● 2016-12-02 07:53:48
● 2021-06-30 00:46:12
○ 2026-02-20 01:12:08
○ 2026-08-11 00:04:34

○NSns2.servconfig.com2015-10-10 → 2016-07-18 · 5 obs

○ 2015-05-05 02:53:28
● 2015-10-10 17:36:48
● 2016-07-18 05:26:18
○ 2016-12-02 07:53:48
○ 2026-08-11 00:04:34

○MXkernel.edu2015-05-05 → 2016-07-18 · 4 obs

● 2015-05-05 02:53:28
● 2016-07-18 05:26:18
○ 2016-12-02 07:53:48
○ 2026-08-11 00:04:34

○MXmx.kernel.edu2016-12-02 → 2021-06-30 · 5 obs

○ 2016-07-18 05:26:18
● 2016-12-02 07:53:48
● 2021-06-30 00:46:12
○ 2026-02-20 01:12:08
○ 2026-08-11 00:04:34

●MXsmtp.google.com2026-02-20 → 2026-08-11 · 8 obs

○ 2021-06-30 00:46:12
● 2026-02-20 01:12:08
● 2026-06-09 12:16:18
○ 2026-06-12 10:21:26
● 2026-06-13 00:47:50
○ 2026-07-04 06:25:32
● 2026-08-01 00:35:12
● 2026-08-11 00:04:34

○A104.244.124.1252015-10-10 → 2016-07-18 · 5 obs

○ 2015-05-05 02:53:28
● 2015-10-10 17:36:48
● 2016-07-18 05:26:18
○ 2016-12-02 07:53:48
○ 2026-08-11 00:04:34

○A107.154.157.322016-12-02 → 2018-01-29 · 5 obs

○ 2016-07-18 05:26:18
● 2016-12-02 07:53:48
● 2018-01-29 11:19:44
○ 2021-06-30 00:46:12
○ 2026-08-11 00:04:34

○A107.154.164.322016-12-02 → 2018-01-29 · 5 obs

○ 2016-07-18 05:26:18
● 2016-12-02 07:53:48
● 2018-01-29 11:19:44
○ 2021-06-30 00:46:12
○ 2026-08-11 00:04:34

○A50.87.42.2332015-05-05 → 2015-05-05 · 3 obs

● 2015-05-05 02:53:28
○ 2015-10-10 17:36:48
○ 2026-08-11 00:04:34

●A51.79.82.92026-02-20 → 2026-08-11 · 5 obs

○ 2021-06-30 00:46:12
● 2026-02-20 01:12:08
○ 2026-07-04 06:25:32
● 2026-08-01 00:35:12
● 2026-08-11 00:04:34

○A66.96.147.1982021-06-30 → 2021-06-30 · 4 obs

○ 2018-01-29 11:19:44
● 2021-06-30 00:46:12
○ 2026-02-20 01:12:08
○ 2026-08-11 00:04:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
edu	a.edu-servers.net, b.edu-servers.net, c.edu-servers.net, d.edu-servers.net...	-
kernel.edu	ns2.domain.com, ns1.domain.com	-

✅ Authoritative Response

Server:172.64.52.73

NS records: ns2.domain.com, ns1.domain.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for kernel.edu (unsigned zone)

⏱️ Timing

Total: 313ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`51.79.82.9`
NS	2	`ns1.domain.com, ns2.domain.com`
MX	1	`smtp.google.com (pri: 1)`
TXT	2	`v=spf1 +a +mx +ip4:51.79.82.9 ~all, google-site-verification=ypz2vQhvnWEI8YH`
SOA	1	`NS1.DOMAIN.COM dnsadmin.DOMAIN.COM`

Analysis

Hierarchy

kernel.edu is the parent domain of www.kernel.edu and mx.kernel.edu.

IP Addresses

kernel.edu points to a single IP number: 51.79.82.9.

Additional host names — mail.korea91.com, ns569547.ip-51-79-82.net, mx.kernel.edu and two others — share IP numbers with kernel.edu.

Name Servers

kernel.edu uses two name servers for its delegation: ns1.domain.com and ns2.domain.com.

kernel.edu shares its name server setup with other domains, including g3gun.com, outofsightsportsman.com, bjj.wiki and two others.

kernel.edu partially shares its NS delegation with several other domains, including avatrans.com, binarium15.com, mysnug.com and two others.

These name servers regularly co-occur with the name servers ns1.yourhostingaccount.com, ns2.yourhostingaccount.com and ns3.domain.com.

ns1.domain.com resolves to 172.64.52.73. ns2.domain.com resolves to 172.64.53.117. Both host names point to a single IP number.

Mail Servers

kernel.edu has one mail server: smtp.google.com.

kernel.edu shares the same mail server setup as other domains, including ring-tone.it, tndm.org, iwens.co.kr and two others.

kernel.edu shares mail servers — at least in part — with other domains, including ophthall.in, capitaltruck.net, adventureplus.co and two others.

smtp.google.com points to 9 IP numbers: 142.251.16.27, 142.251.167.27, 172.253.139.27 and 6 other.

kernel.edu - robtex.com

kernel.edu

edu

Previously MX for

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`kernel.edu`

`edu`