mail.cacs.us - robtex.com

mail.cacs.us

DNSSEC⚠️ Not signed
A2606:4700:3032::ac43:c7b3🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3034::6815:3487🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.52.135Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.199.179🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.52.135, 172.67.199.179
IPv6 hints2606:4700:3032::ac43:c7b3, 2606:4700:3034::6815:3487
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=49, name=cloudflare-ech.com

cacs.us

DNSSEC🔒 Signed (DS record present)
A2606:4700:3032::ac43:c7b3🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3034::6815:3487🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.52.135Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.199.179🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSedna.ns.cloudflare.com ⭐
NShank.ns.cloudflare.com
MXmx01.mail.icloud.com ⭐
MXmx02.mail.icloud.com ⭐
TXTapple-domain=ootcIZCPBZCpph1W
TXTgoogle-site-verification=3zzDVnYnNh9l40_1VZw5By7nI16016OtxvV3DLcWhFE
TXTv=spf1 include:icloud.com ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.52.135, 172.67.199.179
IPv6 hints2606:4700:3032::ac43:c7b3, 2606:4700:3034::6815:3487
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=204, name=cloudflare-ech.com
SOAedna.ns.cloudflare.comdns@cloudflare.com serial=2411385355

Previously MX for

cacs.us

Same first word

mail.wtf
mail.webhop.me
mail.associates
mail.al
mail.myfast.space
mail.vip
mail.red
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mail.gov.bh
mail.tours
mila.nu
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mila.te.ua
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mail.gov.in
mail.pk
imal.de
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mila.pl
lima.info
aiml.digital
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mail.hotmail
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mail.as
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ilam.cn
imal.se
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mail.noip.us
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alim.ru
almi.be
mail.eating-organic.net
mail.ba.gov.br
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liam.sk
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mail.4u.com
almi.dk
imal.no
mali.me

DNS History

12 records (4 active, 8 former)

2017201820192020202120222023202420252026A104.21.52.135172.67.199.1792606:4700:3032::ac43:c7b32606:4700:3034::6815:3487158.69.192.8188.114.96.0188.114.97.02606:4700:3033::6815:34872606:4700:3035::ac43:c7b32a06:98c1:3120::2a06:98c1:3121::5.161.61.27
●A104.21.52.1352026-03-23 → 2026-08-06 · 9 obs
○ 2016-09-25 14:01:02
● 2026-03-23 12:21:56
● 2026-03-25 00:09:26
○ 2026-03-25 22:25:42
● 2026-04-23 07:38:04
● 2026-06-10 02:51:20
○ 2026-06-21 13:42:18
● 2026-07-04 04:45:32
● 2026-08-06 19:02:36
○A158.69.192.82016-09-17 → 2016-09-25 · 4 obs
● 2016-09-17 13:02:48
● 2016-09-25 14:01:02
○ 2026-03-23 12:21:56
○ 2026-08-06 19:02:36
●A172.67.199.1792026-03-23 → 2026-08-06 · 9 obs
○ 2016-09-25 14:01:02
● 2026-03-23 12:21:56
● 2026-03-25 00:09:26
○ 2026-03-25 22:25:42
● 2026-04-23 07:38:04
● 2026-06-10 02:51:20
○ 2026-06-21 13:42:18
● 2026-07-04 04:45:32
● 2026-08-06 19:02:36
○A188.114.96.02026-03-25 → 2026-06-21 · 7 obs
○ 2026-03-25 00:09:26
● 2026-03-25 22:25:42
○ 2026-04-23 07:38:04
○ 2026-06-10 02:51:20
● 2026-06-21 13:42:18
○ 2026-07-04 04:45:32
○ 2026-08-06 19:02:36
○A188.114.97.02026-03-25 → 2026-06-21 · 7 obs
○ 2026-03-25 00:09:26
● 2026-03-25 22:25:42
○ 2026-04-23 07:38:04
○ 2026-06-10 02:51:20
● 2026-06-21 13:42:18
○ 2026-07-04 04:45:32
○ 2026-08-06 19:02:36
●A2606:4700:3032::ac43:c7b32026-07-04 → 2026-08-06 · 3 obs
○ 2026-06-21 13:42:18
● 2026-07-04 04:45:32
● 2026-08-06 19:02:36
○A2606:4700:3033::6815:34872026-03-23 → 2026-06-10 · 8 obs
○ 2016-09-25 14:01:02
● 2026-03-23 12:21:56
● 2026-03-25 00:09:26
○ 2026-03-25 22:25:42
● 2026-04-23 07:38:04
● 2026-06-10 02:51:20
○ 2026-06-21 13:42:18
○ 2026-08-06 19:02:36
●A2606:4700:3034::6815:34872026-07-04 → 2026-08-06 · 3 obs
○ 2026-06-21 13:42:18
● 2026-07-04 04:45:32
● 2026-08-06 19:02:36
○A2606:4700:3035::ac43:c7b32026-03-23 → 2026-06-10 · 8 obs
○ 2016-09-25 14:01:02
● 2026-03-23 12:21:56
● 2026-03-25 00:09:26
○ 2026-03-25 22:25:42
● 2026-04-23 07:38:04
● 2026-06-10 02:51:20
○ 2026-06-21 13:42:18
○ 2026-08-06 19:02:36
○A2a06:98c1:3120::2026-03-25 → 2026-06-21 · 7 obs
○ 2026-03-25 00:09:26
● 2026-03-25 22:25:42
○ 2026-04-23 07:38:04
○ 2026-06-10 02:51:20
● 2026-06-21 13:42:18
○ 2026-07-04 04:45:32
○ 2026-08-06 19:02:36
○A2a06:98c1:3121::2026-03-25 → 2026-06-21 · 7 obs
○ 2026-03-25 00:09:26
● 2026-03-25 22:25:42
○ 2026-04-23 07:38:04
○ 2026-06-10 02:51:20
● 2026-06-21 13:42:18
○ 2026-07-04 04:45:32
○ 2026-08-06 19:02:36
○A5.161.61.272026-03-23 → 2026-08-06 · 2 obs
○ 2026-03-23 12:21:56
○ 2026-08-06 19:02:36

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
usb.cctld.us, f.cctld.us, k.cctld.us, m.cctld.us...-
cacs.usedna.ns.cloudflare.com, hank.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.192.109

NS records: edna.ns.cloudflare.com, hank.ns.cloudflare.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 747ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.199.179, 104.21.52.135
AAAA22606:4700:3034::6815:3487, 2606:4700:3032::ac43:c7b3
HTTPS1{"priority":1,"target":".","alpn":["h3",

Analysis

IP Addresses

mail.cacs.us resolves to four IP addresses: 104.21.52.135, 172.67.199.179, 2606:4700:3032::ac43:c7b3 and 2606:4700:3034::6815:3487.

Two other host names, along with dy855.com, grandedu.net and capillarymatting.com, also share IP numbers with mail.cacs.us.