mail.cloudrab.com - robtex.com

mail.cloudrab.com

DNSSEC⚠️ Not signed
A2606:4700:3030::6815:19a0🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3032::ac43:865e🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.25.160Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.134.94🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.25.160, 172.67.134.94
IPv6 hints2606:4700:3030::6815:19a0, 2606:4700:3032::ac43:865e
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=5, name=cloudflare-ech.com

cloudrab.com

DNSSEC⚠️ Not signed
A2606:4700:3030::6815:19a0🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3032::ac43:865e🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.25.160Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.134.94🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSbrad.ns.cloudflare.com ⭐
NSruth.ns.cloudflare.com
MXmx01.cloudrab.com ⭐
MXmx02.cloudrab.com(5)
TXTv=spf1 a mx ip4:192.241.134.153 mx:mx01.cloudrab.com mx:mx02.cloudrab.com inc...
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.25.160, 172.67.134.94
IPv6 hints2606:4700:3030::6815:19a0, 2606:4700:3032::ac43:865e
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=5, name=cloudflare-ech.com
SOAbrad.ns.cloudflare.comdns@cloudflare.com serial=2401749616

MX for

cfrservicesprinttomail.com

Previously MX for

cambridgelaboratories.ca
cloudrab.com

Same first word

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DNS History

9 records (4 active, 5 former)

20162017201820192020202120222023202420252026A104.21.25.160172.67.134.942606:4700:3030::6815:19a02606:4700:3032::ac43:865e188.114.96.0188.114.97.0192.241.134.1532a06:98c1:3120::2a06:98c1:3121::
●A104.21.25.1602026-02-16 → 2026-04-15 · 5 obs
○ 2016-04-19 04:01:46
● 2026-02-16 07:18:36
○ 2026-02-16 13:08:36
● 2026-03-18 20:09:20
● 2026-04-15 16:18:32
●A172.67.134.942026-02-16 → 2026-04-15 · 5 obs
○ 2016-04-19 04:01:46
● 2026-02-16 07:18:36
○ 2026-02-16 13:08:36
● 2026-03-18 20:09:20
● 2026-04-15 16:18:32
○A188.114.96.02026-02-16 → 2026-02-16 · 4 obs
○ 2026-02-16 07:18:36
● 2026-02-16 13:08:36
○ 2026-03-18 20:09:20
○ 2026-04-15 16:18:32
○A188.114.97.02026-02-16 → 2026-02-16 · 4 obs
○ 2026-02-16 07:18:36
● 2026-02-16 13:08:36
○ 2026-03-18 20:09:20
○ 2026-04-15 16:18:32
○A192.241.134.1532015-08-13 → 2016-04-19 · 4 obs
● 2015-08-13 17:15:06
● 2016-04-19 04:01:46
○ 2026-02-16 07:18:36
○ 2026-04-15 16:18:32
●A2606:4700:3030::6815:19a02026-02-16 → 2026-04-15 · 5 obs
○ 2016-04-19 04:01:46
● 2026-02-16 07:18:36
○ 2026-02-16 13:08:36
● 2026-03-18 20:09:20
● 2026-04-15 16:18:32
●A2606:4700:3032::ac43:865e2026-02-16 → 2026-04-15 · 5 obs
○ 2016-04-19 04:01:46
● 2026-02-16 07:18:36
○ 2026-02-16 13:08:36
● 2026-03-18 20:09:20
● 2026-04-15 16:18:32
○A2a06:98c1:3120::2026-02-16 → 2026-02-16 · 4 obs
○ 2026-02-16 07:18:36
● 2026-02-16 13:08:36
○ 2026-03-18 20:09:20
○ 2026-04-15 16:18:32
○A2a06:98c1:3121::2026-02-16 → 2026-02-16 · 4 obs
○ 2026-02-16 07:18:36
● 2026-02-16 13:08:36
○ 2026-03-18 20:09:20
○ 2026-04-15 16:18:32

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
cloudrab.combrad.ns.cloudflare.com, ruth.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.193.105

NS records: brad.ns.cloudflare.com, ruth.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cloudrab.com (unsigned zone)

⏱️ Timing

Total: 396ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.134.94, 104.21.25.160
AAAA22606:4700:3032::ac43:865e, 2606:4700:3030::6815:19a0
HTTPS1{"priority":1,"target":".","alpn":["h3",

📌 Glue Records Collected

Total: 12

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

Analysis

Mail Server Role

mail.cloudrab.com functions as a mail server for cfrservicesprinttomail.com.

IP Addresses

Four IP numbers are pointed to by mail.cloudrab.com: 2606:4700:3030::6815:19a0, 2606:4700:3032::ac43:865e, 104.21.25.160 and 172.67.134.94.

other host names including gif(0x736578)o.net, bookeder.com, forex-charts-book.com, mail.resize.dk and www.computergames.ro share IP numbers with mail.cloudrab.com.