`sysadmin.tools`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::ac43:a9fe^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::6815:473e^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.71.62^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.169.254^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`aaron.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c96^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`aaron.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c396^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`aaron.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2396^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`aaron.ns.cloudflare.com`
		A	108.162.195.150^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`aaron.ns.cloudflare.com`
		A	162.159.44.150^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`aaron.ns.cloudflare.com`
		A	172.64.35.150^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`aaron.ns.cloudflare.com`
NS	`raegan.ns.cloudflare.com`
		A	2606:4700:50::a29f:269e^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`raegan.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c29e^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`raegan.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:229e^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`raegan.ns.cloudflare.com`
		A	108.162.194.158^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`raegan.ns.cloudflare.com`
		A	162.159.38.158^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`raegan.ns.cloudflare.com`
		A	172.64.34.158^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`raegan.ns.cloudflare.com`
MX	`smtp.sysadmin.tools` ⭐
		A	2600:1f13:f19:9c00::5^{🇺🇸 Amazon2600:1f13::/36 EC2 PDX prefix}
		A	44.228.57.180^{🇺🇸 Amazon44.224.0.0/11 EC2 PDX prefix}
			PTR	`smtp.sysadmin.tools`
TXT	`google-site-verification=cAgQkBCE1VDO_WBbkT5sg4gQbmo-5Ymp1-HGhE5cFPU`
TXT	`v=spf1 ip4:44.228.57.180 ip6:2600:1f13:f19:9c00::/64 -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.71.62, 172.67.169.254
		IPv6 hints	2606:4700:3030::ac43:a9fe, 2606:4700:3034::6815:473e
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=185, name=cloudflare-ech.com
SOA	`aaron.ns.cloudflare.com`dns@cloudflare.com serial=2411397562

`tools`

	DNSSEC	🔒 Signed (DS record present)
	NS	`v0n0.nic.tools` ⭐
	NS	`v0n1.nic.tools`
	NS	`v0n2.nic.tools`
	NS	`v0n3.nic.tools`
	NS	`v2n0.nic.tools`
	NS	`v2n1.nic.tools`
	SOA	`v0n0.nic.tools`hostmaster@donuts.email serial=1786417480

Subdomains

smtp.sysadmin.tools

Same first word

sysadmin.care

sysadmin.us

sysadmin.link

sysadmin.rs

sysadmin.cc

sysadmin.pro

sysadmin.guru

sysadmin.am

sysadmin.in.ua

sysadmin.co.in

sysadmin.fi

sysadmin.lv

sysadmin.wiki

sysadmin.is

sysadmin.dk

sysadmin.com.au

sysadmin.sk

sysadmin.poltava.ua

sysadmin.cl

sysadmin.tools

sysadmin.lt

sysadmin.at

sysadmin.jp

sysadmin.st

sysadmin.dp.ua

sysadmin.help

sysadmin.org.mx

sysadmin.co.uk

sysadmin.lk

sysadmin.bz

sysadmin.ca

sysadmin.gr

sysadmin.noip.me

sysadmin.com.uy

sysadmin.cn

sysadmin.guide

sysadmin.net.nz

sysadmin.se

sysadmin.kz

sysadmin.com.pl

sysadmin.awsapps.com

sysadmin.fr

sysadmin.org

sysadmin.ie

sysadmin.chat

sysadmin.com.ua

sysadmin.co

sysadmin.in

sysadmin.systems

sysadmin.com.ve

sysadmin.tv

sysadmin.beer

sysadmin.su

sysadmin.sh

sysadmin.it

sysadmin.co.id

sysadmin.pm

sysadmin.io

sysadmin.biz

sysadmin.nu

sysadmin.mx

sysadmin.zip

sysadmin.com.mx

sysadmin.xyz

sysadmin.uz

sysadmin.com.br

sysadmin.life

sysadmin.info

sysadmin.bg

sysadmin.eu

sysadmin.be

sysadmin.md

sysadmin.com

sysadmin.ge

sysadmin.name

sysadmin.bialystok.pl

sysadmin.de

sysadmin.win

sysadmin.web.id

sysadmin.ru

sysadmin.technology

sysadmin.express

sysadmin.im

sysadmin.no

sysadmin.pe.kr

sysadmin.network

sysadmin.pt

sysadmin.run

sysadmin.monster

Similar names

DNS History

24 records (7 active, 17 former)

●NSaaron.ns.cloudflare.com2026-02-20 → 2026-08-11 · 3 obs

○ 2019-09-06 01:32:06
● 2026-02-20 23:11:44
● 2026-08-11 03:16:08

○NSns1.bennish.net2016-12-11 → 2019-09-06 · 4 obs

● 2016-12-11 00:45:36
● 2019-09-06 01:32:06
○ 2026-02-20 23:11:44
○ 2026-08-11 03:16:08

○NSns2.bennish.net2016-12-11 → 2019-09-06 · 4 obs

● 2016-12-11 00:45:36
● 2019-09-06 01:32:06
○ 2026-02-20 23:11:44
○ 2026-08-11 03:16:08

●NSraegan.ns.cloudflare.com2026-02-20 → 2026-08-11 · 3 obs

○ 2019-09-06 01:32:06
● 2026-02-20 23:11:44
● 2026-08-11 03:16:08

○MXalt1.aspmx.l.google.com2016-12-11 → 2019-09-06 · 4 obs

● 2016-12-11 00:45:36
● 2019-09-06 01:32:06
○ 2026-02-20 23:11:44
○ 2026-08-11 03:16:08

○MXalt2.aspmx.l.google.com2016-12-11 → 2019-09-06 · 4 obs

● 2016-12-11 00:45:36
● 2019-09-06 01:32:06
○ 2026-02-20 23:11:44
○ 2026-08-11 03:16:08

○MXaspmx.l.google.com2016-12-11 → 2019-09-06 · 4 obs

● 2016-12-11 00:45:36
● 2019-09-06 01:32:06
○ 2026-02-20 23:11:44
○ 2026-08-11 03:16:08

○MXaspmx2.googlemail.com2016-12-11 → 2019-09-06 · 4 obs

● 2016-12-11 00:45:36
● 2019-09-06 01:32:06
○ 2026-02-20 23:11:44
○ 2026-08-11 03:16:08

○MXaspmx3.googlemail.com2016-12-11 → 2019-09-06 · 4 obs

● 2016-12-11 00:45:36
● 2019-09-06 01:32:06
○ 2026-02-20 23:11:44
○ 2026-08-11 03:16:08

●MXsmtp.sysadmin.tools2026-07-24 → 2026-08-11 · 3 obs

○ 2026-02-20 23:11:44
● 2026-07-24 07:19:52
● 2026-08-11 03:16:08

●A104.21.71.622026-02-20 → 2026-08-11 · 6 obs

○ 2019-09-06 01:32:06
● 2026-02-20 23:11:44
● 2026-03-05 08:14:10
○ 2026-03-09 21:10:30
● 2026-03-25 02:24:32
● 2026-08-11 03:16:08

●A172.67.169.2542026-02-20 → 2026-08-11 · 6 obs

○ 2019-09-06 01:32:06
● 2026-02-20 23:11:44
● 2026-03-05 08:14:10
○ 2026-03-09 21:10:30
● 2026-03-25 02:24:32
● 2026-08-11 03:16:08

○A188.114.96.02026-03-09 → 2026-03-09 · 5 obs

○ 2026-02-20 23:11:44
○ 2026-03-05 08:14:10
● 2026-03-09 21:10:30
○ 2026-03-25 02:24:32
○ 2026-08-11 03:16:08

○A188.114.97.02026-03-09 → 2026-03-09 · 5 obs

○ 2026-02-20 23:11:44
○ 2026-03-05 08:14:10
● 2026-03-09 21:10:30
○ 2026-03-25 02:24:32
○ 2026-08-11 03:16:08

○A2606:4700:130:436c:6f75:6466:6c61:72652026-02-20 → 2026-02-20 · 4 obs

○ 2019-09-06 01:32:06
● 2026-02-20 23:11:44
○ 2026-02-25 13:01:48
○ 2026-08-11 03:16:08

●A2606:4700:3030::ac43:a9fe2026-07-11 → 2026-08-11 · 3 obs

○ 2026-06-10 02:03:40
● 2026-07-11 05:17:54
● 2026-08-11 03:16:08

●A2606:4700:3034::6815:473e2026-07-11 → 2026-08-11 · 3 obs

○ 2026-06-10 02:03:40
● 2026-07-11 05:17:54
● 2026-08-11 03:16:08

○A2606:4700:3034::ac43:a9fe2026-02-25 → 2026-06-10 · 5 obs

○ 2026-02-20 23:11:44
● 2026-02-25 13:01:48
● 2026-06-10 02:03:40
○ 2026-07-11 05:17:54
○ 2026-08-11 03:16:08

○A2606:4700:3037::6815:473e2026-02-25 → 2026-06-10 · 5 obs

○ 2026-02-20 23:11:44
● 2026-02-25 13:01:48
● 2026-06-10 02:03:40
○ 2026-07-11 05:17:54
○ 2026-08-11 03:16:08

○A2a06:98c1:3120::42026-02-20 → 2026-08-11 · 2 obs

○ 2026-02-20 23:11:44
○ 2026-08-11 03:16:08

○A2a06:98c1:3121::42026-02-20 → 2026-08-11 · 2 obs

○ 2026-02-20 23:11:44
○ 2026-08-11 03:16:08

○A87.124.1.132019-08-21 → 2019-09-06 · 5 obs

○ 2018-09-25 20:49:36
● 2019-08-21 18:58:52
● 2019-09-06 01:32:06
○ 2026-02-20 23:11:44
○ 2026-08-11 03:16:08

○A87.124.126.542016-12-11 → 2018-02-05 · 4 obs

● 2016-12-11 00:45:36
● 2018-02-05 23:57:28
○ 2018-03-30 11:38:00
○ 2026-08-11 03:16:08

○A87.124.2.102018-03-30 → 2018-09-25 · 5 obs

○ 2018-02-05 23:57:28
● 2018-03-30 11:38:00
● 2018-09-25 20:49:36
○ 2019-08-21 18:58:52
○ 2026-08-11 03:16:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
tools	v0n0.nic.tools, v0n1.nic.tools, v0n2.nic.tools, v0n3.nic.tools...	12 records
sysadmin.tools	aaron.ns.cloudflare.com, raegan.ns.cloudflare.com	-

✅ Authoritative Response

Server:162.159.38.158

NS records: aaron.ns.cloudflare.com, raegan.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sysadmin.tools (unsigned zone)

⏱️ Timing

Total: 939ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.169.254, 104.21.71.62`
AAAA	2	`2606:4700:3030::ac43:a9fe, 2606:4700:3034::6815:473e`
NS	2	`aaron.ns.cloudflare.com, raegan.ns.cloudflare.com`
MX	1	`smtp.sysadmin.tools (pri: 0)`
TXT	2	`google-site-verification=cAgQkBCE1VDO_WB, v=spf1 ip4:44.228.57.180 ip6:2600:1f13:f`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`aaron.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 12

In-bailiwick: 12 (v0n0.nic.tools, v0n1.nic.tools, v0n2.nic.tools...)

Analysis

Hierarchy

The domain smtp.sysadmin.tools falls under the parent sysadmin.tools.

IP Addresses

sysadmin.tools directs to four IP numbers, which are 104.21.71.62, 172.67.169.254, 2606:4700:3030::ac43:a9fe and 2606:4700:3034::6815:473e.

Additional host names — reactive-studio.com, rozqy154.sewppamxicfo.com, ccarla.org and two others — share IP numbers with sysadmin.tools.

Name Servers

sysadmin.tools has two authoritative name servers — aaron.ns.cloudflare.com and raegan.ns.cloudflare.com.

sysadmin.tools shares its name server setup with other domains, including business-for-advertisers-guideline-claim.pages.dev, sauve-tes-euros.com, business-for-advertisers-disclosur-guideline.pages.dev and two others.

At least some of sysadmin.tools's name servers are shared with other domains, for example ibikabjayawijaya.org, onwin3159.com, filipinochannel.tv and two more.

It is common for these name servers to be used in conjunction with the name servers jaziel.ns.cloudflare.com, amit.ns.cloudflare.com and virginia.ns.cloudflare.com.

Host names with 6 IP numbers:

aaron.ns.cloudflare.com points to 108.162.195.150, 162.159.44.150, 172.64.35.150 and 3 other IP addresses.

raegan.ns.cloudflare.com points to 108.162.194.158, 162.159.38.158, 172.64.34.158 and 3 other IP addresses.

Mail Servers

sysadmin.tools has one mail server: smtp.sysadmin.tools.

smtp.sysadmin.tools directs to two IP numbers, 44.228.57.180 and 2600:1f13:f19:9c00::5.

sysadmin.tools - robtex.com

sysadmin.tools

tools

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`sysadmin.tools`

`tools`