mx.master-dns.com - robtex.com

mx.master-dns.com

DNSSEC⚠️ Not signed
A2606:4700:3032::6815:46a5🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3034::ac43:89b5🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.70.165Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.137.181🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.70.165, 172.67.137.181
IPv6 hints2606:4700:3032::6815:46a5, 2606:4700:3034::ac43:89b5
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=209, name=cloudflare-ech.com

master-dns.com

DNSSEC⚠️ Not signed
A2606:4700:3032::6815:46a5🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3034::ac43:89b5🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.70.165Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.137.181🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSchan.ns.cloudflare.com ⭐
NSdylan.ns.cloudflare.com
MXsmtp.master-dns.com ⭐
TXTgoogle-site-verification=uWHPAgp33FcTTmEHHBeQcO1H36h_PwUNnxCWS5KiKIM
TXTv=spf1 +a +mx +ip4:163.182.170.162 +ip4:90.84.226.26 +ip4:173.233.68.249 ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.70.165, 172.67.137.181
IPv6 hints2606:4700:3032::6815:46a5, 2606:4700:3034::ac43:89b5
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=209, name=cloudflare-ech.com
SOAchan.ns.cloudflare.comdns@cloudflare.com serial=2399853106

Previously MX for

master-dns.com

Same first word

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.ms
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
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.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

Similar names

mx.co.at
mx.ua
mx.csb.app
mx.au
xm.world
xm.lt
mx.go.gov.br
mx.com.mx
mx.dev
xm.com.ua
mx.su
xm.ru
mx.com.au
mx.123hjemmeside.no
mx.cl
mx.by
xm.de
mx.bplaced.net
mx.uy
mx.dyndns-mail.com
xm.cl
mx.io
mx.co.ke
mx.vg
mx.gp
mx.cloudaccess.net
mx.gs
xm.sk
mx.global.prod.fastly.net
mx.email
xm.se
xm.hu
mx.com.pt
mx.ru
mx.services
mx.pl
mx.ht
xm.com.co
mx.uk
xm.africa
mx.no
mx.cloud.nospamproxy.com
mx.agency
mx.rs
mx.vc
xm.fi
xm.is
xm.am
xm.money
xm.be
xm.cz
xm.hk.cn
xm.fj.cn
xm.pl
xm.vn.ua
xm.house
xm.mk
xm.com

DNS History

6 records (4 active, 2 former)

20162017201820192020202120222023202420252026A104.21.70.165172.67.137.1812606:4700:3032::6815:46a52606:4700:3034::ac43:89b5199.223.254.15567.196.5.224
●A104.21.70.1652026-02-20 → 2026-04-13 · 3 obs
○ 2016-12-26 09:15:48
● 2026-02-20 01:56:22
● 2026-04-13 09:36:24
●A172.67.137.1812026-02-20 → 2026-04-13 · 3 obs
○ 2016-12-26 09:15:48
● 2026-02-20 01:56:22
● 2026-04-13 09:36:24
○A199.223.254.1552015-11-13 → 2016-12-26 · 5 obs
○ 2015-07-09 12:32:26
● 2015-11-13 05:48:26
● 2016-12-26 09:15:48
○ 2026-02-20 01:56:22
○ 2026-04-13 09:36:24
●A2606:4700:3032::6815:46a52026-02-20 → 2026-04-13 · 3 obs
○ 2016-12-26 09:15:48
● 2026-02-20 01:56:22
● 2026-04-13 09:36:24
●A2606:4700:3034::ac43:89b52026-02-20 → 2026-04-13 · 3 obs
○ 2016-12-26 09:15:48
● 2026-02-20 01:56:22
● 2026-04-13 09:36:24
○A67.196.5.2242015-07-09 → 2015-07-09 · 3 obs
● 2015-07-09 12:32:26
○ 2015-11-13 05:48:26
○ 2026-04-13 09:36:24

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, h.gtld-servers.net, f.gtld-servers.net, c.gtld-servers.net...-
master-dns.comchan.ns.cloudflare.com, dylan.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.192.82

NS records: chan.ns.cloudflare.com, dylan.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for master-dns.com (unsigned zone)

⏱️ Timing

Total: 110ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.137.181, 104.21.70.165
AAAA22606:4700:3032::6815:46a5, 2606:4700:3034::ac43:89b5
HTTPS1{"priority":1,"target":".","alpn":["h3",

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

mx.master-dns.com resolves to four IPs: 2606:4700:3032::6815:46a5, 2606:4700:3034::ac43:89b5, 104.21.70.165 and 172.67.137.181.

Other host names such as crystal0ver.ru, showingames.com, ns2.master-dns.com, 3kyc.com and chechetuan.com share IP numbers with mx.master-dns.com.