mail.cnstech.gr - robtex.com

mail.cnstech.gr

DNSSEC⚠️ Not signed
A2606:4700:3037::6815:2ebc🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:8d64🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.46.188Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.141.100🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.46.188, 172.67.141.100
IPv6 hints2606:4700:3037::6815:2ebc, 2606:4700:3037::ac43:8d64
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=173, name=cloudflare-ech.com

cnstech.gr

DNSSEC⚠️ Not signed
A2606:4700:3037::6815:2ebc🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:8d64🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.46.188Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.141.100🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSchristian.ns.cloudflare.com ⭐
NSnia.ns.cloudflare.com
MX_dc-mx.414595ad2eac.cnstech.gr ⭐
TXTv=spf1 a mx include:mxroute.com ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.46.188, 172.67.141.100
IPv6 hints2606:4700:3037::6815:2ebc, 2606:4700:3037::ac43:8d64
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=173, name=cloudflare-ech.com
SOAchristian.ns.cloudflare.comdns@cloudflare.com serial=2403136308

Previously MX for

cnstech.gr

Same first word

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DNS History

8 records (4 active, 4 former)

20162017201820192020202120222023202420252026MXmx1.sub4.homie.mail.dreamhost.commx2.sub4.homie.mail.dreamhost.comA104.21.46.188172.67.141.1002606:4700:3037::6815:2ebc2606:4700:3037::ac43:8d64192.163.227.22269.163.253.135
○MXmx1.sub4.homie.mail.dreamhost.com2015-11-25 → 2016-07-13 · 4 obs
● 2015-11-25 07:11:06
● 2016-07-13 05:09:24
○ 2026-05-05 05:36:24
○ 2026-05-10 13:26:26
○MXmx2.sub4.homie.mail.dreamhost.com2015-11-25 → 2016-07-13 · 4 obs
● 2015-11-25 07:11:06
● 2016-07-13 05:09:24
○ 2026-05-05 05:36:24
○ 2026-05-10 13:26:26
●A104.21.46.1882026-05-05 → 2026-05-10 · 3 obs
○ 2016-07-13 05:09:24
● 2026-05-05 05:36:24
● 2026-05-10 13:26:26
●A172.67.141.1002026-05-05 → 2026-05-10 · 3 obs
○ 2016-07-13 05:09:24
● 2026-05-05 05:36:24
● 2026-05-10 13:26:26
○A192.163.227.2222015-07-11 → 2015-07-11 · 3 obs
● 2015-07-11 00:35:20
○ 2015-11-25 07:11:06
○ 2026-05-10 13:26:26
●A2606:4700:3037::6815:2ebc2026-05-05 → 2026-05-10 · 3 obs
○ 2016-07-13 05:09:24
● 2026-05-05 05:36:24
● 2026-05-10 13:26:26
●A2606:4700:3037::ac43:8d642026-05-05 → 2026-05-10 · 3 obs
○ 2016-07-13 05:09:24
● 2026-05-05 05:36:24
● 2026-05-10 13:26:26
○A69.163.253.1352015-11-25 → 2016-07-13 · 5 obs
○ 2015-07-11 00:35:20
● 2015-11-25 07:11:06
● 2016-07-13 05:09:24
○ 2026-05-05 05:36:24
○ 2026-05-10 13:26:26

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
grgr-c.ics.forth.gr, gr-d.ics.forth.gr, gr-m.ics.forth.gr, estia.ics.forth.gr...-
cnstech.grchristian.ns.cloudflare.com, nia.ns.cloudflare.com-

✅ Authoritative Response

Server:162.159.44.247

NS records: christian.ns.cloudflare.com, nia.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cnstech.gr (unsigned zone)

⏱️ Timing

Total: 957ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.141.100, 104.21.46.188
AAAA22606:4700:3037::ac43:8d64, 2606:4700:3037::6815:2ebc
HTTPS1{"priority":1,"target":".","alpn":["h3",

Analysis

IP Addresses

mail.cnstech.gr resolves to four IP numbers: 2606:4700:3037::6815:2ebc, 2606:4700:3037::ac43:8d64, 104.21.46.188 and 172.67.141.100.

other host names for instance qscqlxu.courses, igo.ma, thefreakyfactory.com, mail.zanashoei.ir and xsinformatica.com.br share IP numbers with mail.cnstech.gr.