mx.construct.cz - dns.ninja

mx.construct.cz

DNSSEC⚠️ Not signed
A84.21.115.50🇨🇿 COMA84.21.96.0/19 Aggregate for CZ-COMA-20040913
PTRcl084021115050.unet.cz

construct.cz

DNSSEC⚠️ Not signed
A2606:4700:3030::6815:94f🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3030::ac43:bd2e🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.9.79Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.189.46🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSkara.ns.cloudflare.com ⭐
NSlars.ns.cloudflare.com
MXmx2.construct.cz ⭐
MXmail.comacomp.cz(300)
MXmx.construct.cz(500)
MXmail.construct.cz(10000)
TXTv=spf1 ip4:85.163.104.2 ip4:83.167.250.161 ip4:84.16.96.6 ip4:84.21.115.50 ip...
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.9.79, 172.67.189.46
IPv6 hints2606:4700:3030::6815:94f, 2606:4700:3030::ac43:bd2e
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=132, name=cloudflare-ech.com
SOAkara.ns.cloudflare.comdns@cloudflare.com serial=2407997766
WOT: SAFE (62/100)
WOT: SAFE (76/100)

MX for

construct.cz

Same first word

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Similar names

xm.cm
xm.co
xm.com.cn
xm.co.za
xm.kiev.ua
xm.js.cn
xm.cc
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xm.hk.cn
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xm.pl
xm.vn.ua
xm.house
xm.mk
xm.la
xm.com

DNS History

1 record (1 active, 0 former)

20162017201820192020202120222023202420252026A84.21.115.50
●A84.21.115.502015-08-13 → 2026-07-14 · 2 obs
● 2015-08-13 22:06:36
● 2026-07-14 02:22:34

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cza.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz-
construct.czkara.ns.cloudflare.com, lars.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.193.195

NS records: kara.ns.cloudflare.com, lars.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for construct.cz (unsigned zone)

⏱️ Timing

Total: 1053ms | Queries: -

📄 Records

TypeCountSample Data
A184.21.115.50

Analysis

Mail Server Role

The mail server mx.construct.cz processes email for construct.cz.

The mail servers mail.comacomp.cz, mail.construct.cz and mx2.construct.cz are commonly grouped with mx.construct.cz.

IP Addresses

mx.construct.cz resolves to just one IP address, 84.21.115.50.

Among the host names that share IP numbers with mx.construct.cz is cl084021115050.unet.cz, as one example.