mail.cl2u.net - robtex.com

mail.cl2u.net

DNSSEC⚠️ Not signed
A2606:4700:3033::ac43:c467🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::6815:152e🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.21.46Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.196.103🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
TXTv=spf1 include:mailgun.org ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.21.46, 172.67.196.103
IPv6 hints2606:4700:3033::ac43:c467, 2606:4700:3035::6815:152e
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=110, name=cloudflare-ech.com

cl2u.net

DNSSEC⚠️ Not signed
A2606:4700:3033::ac43:c467🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::6815:152e🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.21.46Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.196.103🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSmona.ns.cloudflare.com ⭐
NSpeyton.ns.cloudflare.com
MXcl2u-net.mail.protection.outlook.com ⭐
TXTMS=ms77424696
TXTv=spf1 include:spf.protection.outlook.com -all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.21.46, 172.67.196.103
IPv6 hints2606:4700:3033::ac43:c467, 2606:4700:3035::6815:152e
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=110, name=cloudflare-ech.com
SOAmona.ns.cloudflare.comdns@cloudflare.com serial=2403483398

Previously MX for

cl2u.net

Same first word

mail.sc
mail.gov.ie
mail.company
mail.gov.mn
mail.priv.pl
mail.mw
mail.gov.na
mail.co.nz
mail.sdscloud.pl
mail.az
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mail.party
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mail.com.tw
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mail.mh
mail.gov.mw
mail.gov.bn

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DNS History

9 records (4 active, 5 former)

2020202120222023202420252026A104.21.21.46172.67.196.1032606:4700:3033::ac43:c4672606:4700:3035::6815:152e188.114.96.0188.114.97.02a06:98c1:3120::2a06:98c1:3121::43.255.154.96
●A104.21.21.462026-03-27 → 2026-05-09 · 3 obs
○ 2019-12-21 23:40:14
● 2026-03-27 20:59:18
● 2026-05-09 18:15:20
●A172.67.196.1032026-03-27 → 2026-05-09 · 3 obs
○ 2019-12-21 23:40:14
● 2026-03-27 20:59:18
● 2026-05-09 18:15:20
○A188.114.96.02026-03-27 → 2026-05-09 · 2 obs
○ 2026-03-27 20:59:18
○ 2026-05-09 18:15:20
○A188.114.97.02026-03-27 → 2026-05-09 · 2 obs
○ 2026-03-27 20:59:18
○ 2026-05-09 18:15:20
●A2606:4700:3033::ac43:c4672026-03-27 → 2026-05-09 · 3 obs
○ 2019-12-21 23:40:14
● 2026-03-27 20:59:18
● 2026-05-09 18:15:20
●A2606:4700:3035::6815:152e2026-03-27 → 2026-05-09 · 3 obs
○ 2019-12-21 23:40:14
● 2026-03-27 20:59:18
● 2026-05-09 18:15:20
○A2a06:98c1:3120::2026-03-27 → 2026-05-09 · 2 obs
○ 2026-03-27 20:59:18
○ 2026-05-09 18:15:20
○A2a06:98c1:3121::2026-03-27 → 2026-05-09 · 2 obs
○ 2026-03-27 20:59:18
○ 2026-05-09 18:15:20
○A43.255.154.962019-12-21 → 2019-12-21 · 3 obs
● 2019-12-21 23:40:14
○ 2026-03-27 20:59:18
○ 2026-05-09 18:15:20

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
netm.gtld-servers.net, k.gtld-servers.net, b.gtld-servers.net, f.gtld-servers.net...-
cl2u.netpeyton.ns.cloudflare.com, mona.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.193.221

NS records: peyton.ns.cloudflare.com, mona.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cl2u.net (unsigned zone)

⏱️ Timing

Total: 544ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.196.103, 104.21.21.46
AAAA22606:4700:3035::6815:152e, 2606:4700:3033::ac43:c467
TXT1v=spf1 include:mailgun.org ~all
HTTPS1{"priority":1,"target":".","alpn":["h3",

Analysis

IP Addresses

mail.cl2u.net points to four IP numbers: 2606:4700:3033::ac43:c467, 2606:4700:3035::6815:152e, 104.21.21.46 and 172.67.196.103.

Other host names, for instance cybercitizen.net, luxavendaos.com, storres.cl, www.neutralcopperlab.xyz and last.guru share IP numbers with mail.cl2u.net.