mx.simpleos.org - dns.ninja

mx.simpleos.org

DNSSEC⚠️ Not signed
A2606:4700:3035::ac43:c21d🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::6815:14c5🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.20.197Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.194.29🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.20.197, 172.67.194.29
IPv6 hints2606:4700:3035::ac43:c21d, 2606:4700:3036::6815:14c5
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=116, name=cloudflare-ech.com

simpleos.org

DNSSEC⚠️ Not signed
A2606:4700:3035::ac43:c21d🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::6815:14c5🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.20.197Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.194.29🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSbruce.ns.cloudflare.com ⭐
NSnora.ns.cloudflare.com
MXroute1.mx.cloudflare.net ⭐
MXroute2.mx.cloudflare.net(46)
MXroute3.mx.cloudflare.net(78)
TXTv=spf1 include:_spf.mx.cloudflare.net ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.20.197, 172.67.194.29
IPv6 hints2606:4700:3035::ac43:c21d, 2606:4700:3036::6815:14c5
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=116, name=cloudflare-ech.com
SOAbruce.ns.cloudflare.comdns@cloudflare.com serial=2410534259

Subdomains

a.mx.simpleos.org

Same first word

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Similar names

xm.kiev.ua
xm.js.cn
xm.cc
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xm.lt
xm.com.ua
xm.ru
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xm.be
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xm.hk.cn
xm.fj.cn
xm.pl
xm.vn.ua
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xm.la

DNS History

4 records (4 active, 0 former)

A104.21.20.197172.67.194.292606:4700:3035::ac43:c21d2606:4700:3036::6815:14c5
●A104.21.20.1972026-08-09 → 2026-08-10 · 2 obs
● 2026-08-09 20:32:32
● 2026-08-10 11:41:10
●A172.67.194.292026-08-09 → 2026-08-10 · 2 obs
● 2026-08-09 20:32:32
● 2026-08-10 11:41:10
●A2606:4700:3035::ac43:c21d2026-08-09 → 2026-08-10 · 2 obs
● 2026-08-09 20:32:32
● 2026-08-10 11:41:10
●A2606:4700:3036::6815:14c52026-08-09 → 2026-08-10 · 2 obs
● 2026-08-09 20:32:32
● 2026-08-10 11:41:10

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgb0.org.afilias-nst.org, d0.org.afilias-nst.org, b2.org.afilias-nst.org-
simpleos.orgnora.ns.cloudflare.com, bruce.ns.cloudflare.com-

✅ Authoritative Response

Server:173.245.59.77

NS records: nora.ns.cloudflare.com, bruce.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for simpleos.org (unsigned zone)

⏱️ Timing

Total: 290ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.20.197, 172.67.194.29
AAAA22606:4700:3036::6815:14c5, 2606:4700:3035::ac43:c21d
HTTPS1{"priority":1,"target":".","alpn":["h3",

Analysis

Hierarchy

The domain a.mx.simpleos.org falls under the parent mx.simpleos.org.

IP Addresses

mx.simpleos.org directs to four IP numbers, which are 104.21.20.197, 172.67.194.29, 2606:4700:3035::ac43:c21d and 2606:4700:3036::6815:14c5.

Two other host names, along with yb1059.com, mxtr8578vm.harcaahmof.com and deadsledcoffee.com, also share IP numbers with mx.simpleos.org.