mail.mstack.dev - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`mail.mstack.dev`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:f71^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::ac43:cde9^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.15.113^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.205.233^{🇺🇸 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	104.21.15.113, 172.67.205.233
		IPv6 hints	2606:4700:3030::6815:f71, 2606:4700:3035::ac43:cde9
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=190, name=cloudflare-ech.com

`mstack.dev`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:f71^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::ac43:cde9^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.15.113^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.205.233^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`jill.ns.cloudflare.com` ⭐
NS	`justin.ns.cloudflare.com`
MX	`mail.mstack.dev` ⭐
MX	`mx1525.netcup.net`⁽⁵⁰⁾
TXT	`v=spf1 mx a include:_spf.webhosting.systems ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.15.113, 172.67.205.233
		IPv6 hints	2606:4700:3030::6815:f71, 2606:4700:3035::ac43:cde9
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=190, name=cloudflare-ech.com
SOA	`jill.ns.cloudflare.com`dns@cloudflare.com serial=2411443791

MX for

mstack.dev

Same first word

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Previous names

Next names

DNS History

4 records (4 active, 0 former)

●A104.21.15.1132026-09-10 → 2026-09-12 · 2 obs

● 2026-09-10 22:00:24
● 2026-09-12 13:24:54

●A172.67.205.2332026-09-10 → 2026-09-12 · 2 obs

● 2026-09-10 22:00:24
● 2026-09-12 13:24:54

●A2606:4700:3030::6815:f712026-09-10 → 2026-09-12 · 2 obs

● 2026-09-10 22:00:24
● 2026-09-12 13:24:54

●A2606:4700:3035::ac43:cde92026-09-10 → 2026-09-12 · 2 obs

● 2026-09-10 22:00:24
● 2026-09-12 13:24:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...	-
mstack.dev	jill.ns.cloudflare.com, justin.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.193.187

NS records: jill.ns.cloudflare.com, justin.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mstack.dev (unsigned zone)

⏱️ Timing

Total: 675ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.15.113, 172.67.205.233`
AAAA	2	`2606:4700:3035::ac43:cde9, 2606:4700:3030::6815:f71`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`

Analysis

Mail Server Role

mail.mstack.dev serves as a mail server for mstack.dev.

mx1525.netcup.net is often seen acting as a mail server in combination with mail.mstack.dev.

IP Addresses

mail.mstack.dev resolves to four IP addresses: 104.21.15.113, 172.67.205.233, 2606:4700:3030::6815:f71 and 2606:4700:3035::ac43:cde9.

Additional host names — mymoneymanager.app, enterspor.com, novorasystems.net and two others — share IP numbers with mail.mstack.dev.