`mx.checking.systems`

DNSSEC	⚠️ Not signed
MX	`mail.jfet.org` ⭐
		A	209.141.47.85^{🇺🇸 FRANTECH209.141.32.0/19 Frantech Solutions}
			PTR	`electron.jfet.org`

`checking.systems`

DNSSEC	⚠️ Not signed
A	2606:4700:3036::ac43:ab65^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:1d2e^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.29.46^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.171.101^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`hans.ns.cloudflare.com` ⭐
NS	`kara.ns.cloudflare.com`
MX	`route2.mx.cloudflare.net` ⭐
MX	`route3.mx.cloudflare.net`⁽⁵⁷⁾
MX	`route1.mx.cloudflare.net`⁽⁹⁰⁾
TXT	`Riad Wahby (rsw@jfet.org) - checking.systems`
TXT	`v=spf1 include:_spf.mx.cloudflare.net ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.29.46, 172.67.171.101
		IPv6 hints	2606:4700:3036::ac43:ab65, 2606:4700:3037::6815:1d2e
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=139, name=cloudflare-ech.com
SOA	`hans.ns.cloudflare.com`dns@cloudflare.com serial=2402573212

Previously MX for

checking.systems

Same first word

mx.s3-website-eu-west-1.amazonaws.com

mx.s3-website-us-east-1.amazonaws.com

mx.design

mx.s3-website-us-west-1.amazonaws.com

mx.msk.ru

mx.scrapping.cc

mx.tv

mx.casino

mx.ma

mx.dyndns.org

mx.sh

mx.ax

mx.lv

mx.abbott

mx.or.at

mx.cn

mx.servebbs.org

mx.microsoft

mx.ph

mx.myftp.biz

mx.com.tr

mx.be

mx.guru

mx.selfip.com

mx.co

mx.ro

mx.com.kz

mx.ru.net

mx.firewall-gateway.de

mx.mayfirst.org

mx.principe.st

mx.ag

mx.ee

mx.net.ru

mx.fi

mx.cz

mx.co.kr

mx.net

mx.box

mx.homelinux.com

mx.dnsalias.com

mx.se

mx.srv.br

mx.si

mx.de

mx.org.ua

mx.nl

mx.com

mx.co.ua

mx.al

mx

mx.org

mx.net.au

mx.sb

mx.sub.jp

mx.nf

mx.kg

mx.fm

mx.dk

mx.mil.lv

mx.is

mx.ac.cn

mx.uz

mx.mt

mx.lt

mx.co.at

mx.ua

mx.csb.app

mx.au

mx.go.gov.br

mx.com.mx

mx.dev

mx.od.ua

mx.su

mx.com.au

mx.123hjemmeside.no

mx.cl

mx.by

mx.bplaced.net

mx.uy

mx.dyndns-mail.com

mx.io

mx.co.ke

mx.vg

mx.gp

mx.cloudaccess.net

mx.global.prod.fastly.net

mx.email

mx.com.pt

mx.ru

mx.services

mx.pl

mx.ht

mx.uk

mx.no

mx.cloud.nospamproxy.com

mx.agency

mx.rs

mx.vc

mx.cloudflare.net

mx.ws

mx.plus

mx.zone

mx.co.za

mx.tours

mx.s3.amazonaws.com

mx.com.tw

mx.vu

mx.biz

mx.network

mx.se.gov.br

mx.gy

mx.pe

mx.realm.cz

mx.tn

mx.mk

mx.exchange

mx.kh.ua

mx.md

mx.to

mx.cm

mx.graphics

mx.cx

mx.support

mx.myftp.org

mx.duckdns.org

mx.kinghost.net

mx.gouv.ci

mx.money

mx.kasserver.com

mx.com.ar

mx.sytes.net

mx.center

mx.withyoutube.com

mx.mba

mx.co.uk

Similar names

xm.hk.cn

xm.fj.cn

xm.pl

xm.vn.ua

xm.house

xm.mk

xm.com

xm.biz

xm.media

xm.fyi

xm.pe

xm.wtf

xm.nl

xm.app

xm.cn

xm.gov.cn

xm.city

xm.ca

xm.ee

xm.ae

xm.lc

xm.chat

xm.life

xm.net

xm.cm

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
systems	v0n0.nic.systems, v0n1.nic.systems, v0n2.nic.systems, v0n3.nic.systems...	12 records
checking.systems	kara.ns.cloudflare.com, hans.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.58.123

NS records: kara.ns.cloudflare.com, hans.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for checking.systems (unsigned zone)

⏱️ Timing

Total: 387ms | Queries: -

📄 Records

Type	Count	Sample Data
MX	1	`mail.jfet.org (pri: 10)`

📌 Glue Records Collected

Total: 12

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

Analysis

Mail Servers

mx.checking.systems is handled by a single mail server, mail.jfet.org.

mx.checking.systems shares its mail server setup with other domains, including opamp.org, dns.opamp.org, phonon.net and fort-awesome.org.

mail.jfet.org points to a single IP: 209.141.47.85.

mx.checking.systems - robtex.com