mx.simpleos.org - robtex.com
mx.simpleos.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3035::ac43:c21d🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3036::6815:14c5🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.20.197Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.194.29🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.20.197, 172.67.194.29 | ||||||
| IPv6 hints | 2606:4700:3035::ac43:c21d, 2606:4700:3036::6815:14c5 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=39, name=cloudflare-ech.com | ||||||
simpleos.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3035::ac43:c21d🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3036::6815:14c5🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.20.197Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.194.29🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | bruce.ns.cloudflare.com ⭐ | ||||||
| NS | nora.ns.cloudflare.com | ||||||
| MX | route1.mx.cloudflare.net ⭐ | ||||||
| MX | route2.mx.cloudflare.net(46) | ||||||
| MX | route3.mx.cloudflare.net(78) | ||||||
| TXT | v=spf1 include:_spf.mx.cloudflare.net ~all | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.20.197, 172.67.194.29 | ||||||
| IPv6 hints | 2606:4700:3035::ac43:c21d, 2606:4700:3036::6815:14c5 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=39, name=cloudflare-ech.com | ||||||
| SOA | bruce.ns.cloudflare.comdns@cloudflare.com serial=2410534259 | ||||||
Subdomains
a.mx.simpleos.org |
Same first word
Similar names
xm.kiev.ua |
xm.js.cn |
xm.cc |
xm.by |
xm.world |
xm.lt |
xm.com.ua |
xm.ru |
xm.de |
xm.cl |
xm.sk |
xm.se |
xm.hu |
xm.com.co |
xm.hl.cn |
xm.africa |
xm.fi |
xm.is |
xm.co.kr |
xm.am |
xm.money |
xm.be |
xm.cz |
xm.hk.cn |
xm.fj.cn |
xm.pl |
xm.vn.ua |
xm.house |
xm.mk |
xm.la |
DNS History
4 records (4 active, 0 former)
●A104.21.20.1972026-08-09 → 2026-08-10 · 2 obs
● 2026-08-09 20:32:32
● 2026-08-10 14:55:22
● 2026-08-10 14:55:22
●A172.67.194.292026-08-09 → 2026-08-10 · 2 obs
● 2026-08-09 20:32:32
● 2026-08-10 14:55:22
● 2026-08-10 14:55:22
●A2606:4700:3035::ac43:c21d2026-08-09 → 2026-08-10 · 2 obs
● 2026-08-09 20:32:32
● 2026-08-10 14:55:22
● 2026-08-10 14:55:22
●A2606:4700:3036::6815:14c52026-08-09 → 2026-08-10 · 2 obs
● 2026-08-09 20:32:32
● 2026-08-10 14:55:22
● 2026-08-10 14:55:22
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | d0.org.afilias-nst.org, b2.org.afilias-nst.org, b0.org.afilias-nst.org | - |
| simpleos.org | nora.ns.cloudflare.com, bruce.ns.cloudflare.com | - |
✅ Authoritative Response
Server:172.64.33.77
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: 249ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.20.197, 172.67.194.29 |
| AAAA | 2 | 2606:4700:3035::ac43:c21d, 2606:4700:3036::6815:14c5 |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
Analysis
Hierarchy
a.mx.simpleos.org is a subdomain of 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.