mx.mailsi.dev - robtex.com
mx.mailsi.dev
| DNSSEC | ⚠️ Not signed | ||||||
| A | 3.1.56.146🇸🇬 Amazon3.0.0.0/15 EC2 SIN prefix | ||||||
| PTR | mx.mailsi.dev | ||||||
mailsi.dev
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3033::ac43:c91e🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3035::6815:4232🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.66.50Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.201.30🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | jermaine.ns.cloudflare.com ⭐ | ||||||
| NS | summer.ns.cloudflare.com | ||||||
| MX | mx.mailsi.dev ⭐ | ||||||
| TXT | google-site-verification=jfomWIPc3_pq96owf2PErmUx8DPTEv7qXsDw5lJ2Veo | ||||||
| TXT | google-site-verification=xcP-Pa4dpb1-hZ9KZ92o0tM-QKmzTinhKad8jFBuumQ | ||||||
| TXT | v=spf1 include:spf.mailsi.dev -all | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.66.50, 172.67.201.30 | ||||||
| IPv6 hints | 2606:4700:3033::ac43:c91e, 2606:4700:3035::6815:4232 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=137, name=cloudflare-ech.com | ||||||
| SOA | jermaine.ns.cloudflare.comdns@cloudflare.com serial=2417481929 | ||||||
PTR for
MX for
Same first word
Similar names
Previous names
Next names
DNS History
1 record (1 active, 0 former)
●A3.1.56.1462026-10-23 → 2026-10-28 · 2 obs
● 2026-10-23 19:54:10
● 2026-10-28 21:29:52
● 2026-10-28 21:29:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| dev | ns-tld5.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com... | 10 records |
| mailsi.dev | jermaine.ns.cloudflare.com, summer.ns.cloudflare.com | - |
✅ Authoritative Response
Server:162.159.38.9
NS records: jermaine.ns.cloudflare.com, summer.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for mailsi.dev (unsigned zone)
⏱️ Timing
Total: 3585ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 3.1.56.146 |
📌 Glue Records Collected
Total: 10
Out-of-bailiwick: 10 (ns-tld5.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com...)
Analysis
Mail Server Role
Mail for mailsi.dev is routed through the mail server mx.mailsi.dev.
IP Addresses
mx.mailsi.dev has exactly one IP address — 3.1.56.146.
Host names such as ec2-3-1-56-146.ap-southeast-1.compute.amazonaws.com and slowroom.app share IP numbers with mx.mailsi.dev.