mail.crsus304.com - robtex.com

mail.crsus304.com

DNSSEC⚠️ Not signed
A2606:4700:3034::ac43:ce56🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::6815:f97🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.15.151Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.206.86🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.15.151, 172.67.206.86
IPv6 hints2606:4700:3034::ac43:ce56, 2606:4700:3035::6815:f97
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=48, name=cloudflare-ech.com

crsus304.com

DNSSEC⚠️ Not signed
A2606:4700:3034::ac43:ce56🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::6815:f97🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.15.151Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.206.86🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSkarina.ns.cloudflare.com ⭐
NSridge.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.15.151, 172.67.206.86
IPv6 hints2606:4700:3034::ac43:ce56, 2606:4700:3035::6815:f97
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=48, name=cloudflare-ech.com
SOAkarina.ns.cloudflare.comdns@cloudflare.com serial=2411757026

Previously MX for

crsus304.com

Same first word

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DNS History

5 records (4 active, 1 former)

201820192020202120222023202420252026A104.21.15.151172.67.206.862606:4700:3034::ac43:ce562606:4700:3035::6815:f97203.88.192.165
●A104.21.15.1512026-08-13 → 2026-08-13 · 2 obs
○ 2017-03-26 19:21:48
● 2026-08-13 21:23:14
●A172.67.206.862026-08-13 → 2026-08-13 · 2 obs
○ 2017-03-26 19:21:48
● 2026-08-13 21:23:14
○A203.88.192.1652017-03-26 → 2017-03-26 · 2 obs
● 2017-03-26 19:21:48
○ 2026-08-13 21:23:14
●A2606:4700:3034::ac43:ce562026-08-13 → 2026-08-13 · 2 obs
○ 2017-03-26 19:21:48
● 2026-08-13 21:23:14
●A2606:4700:3035::6815:f972026-08-13 → 2026-08-13 · 2 obs
○ 2017-03-26 19:21:48
● 2026-08-13 21:23:14

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
come.gtld-servers.net, h.gtld-servers.net, j.gtld-servers.net, b.gtld-servers.net...-
crsus304.comkarina.ns.cloudflare.com, ridge.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.195.139

NS records: karina.ns.cloudflare.com, ridge.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for crsus304.com (unsigned zone)

⏱️ Timing

Total: 104ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.206.86, 104.21.15.151
AAAA22606:4700:3035::6815:f97, 2606:4700:3034::ac43:ce56
HTTPS1{"priority":1,"target":".","alpn":["h3",

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

mail.crsus304.com directs to four IP numbers, which are 104.21.15.151, 172.67.206.86, 2606:4700:3034::ac43:ce56 and 2606:4700:3035::6815:f97.

artos.co.uk, bjxzst.com, server15.whatzup.com.ua and two other host names share IP numbers with mail.crsus304.com.