mail.voni.cz - robtex.com

mail.voni.cz

DNSSEC⚠️ Not signed
A2606:4700:3036::6815:531f🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::ac43:a780🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.83.31Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.167.128🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.83.31, 172.67.167.128
IPv6 hints2606:4700:3036::6815:531f, 2606:4700:3036::ac43:a780
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=135, name=cloudflare-ech.com

voni.cz

DNSSEC⚠️ Not signed
A2606:4700:3036::6815:531f🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::ac43:a780🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.83.31Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.167.128🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSlamar.ns.cloudflare.com ⭐
NSmarjory.ns.cloudflare.com
MX448bf872c69ddb83.mx2.emailprofi.seznam.cz ⭐
MX448bf872c69ddb83.mx1.emailprofi.seznam.cz(20)
TXTbrevo-code:5c1ea152f263ce4d8dec11691a5b4b46
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.83.31, 172.67.167.128
IPv6 hints2606:4700:3036::6815:531f, 2606:4700:3036::ac43:a780
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=135, name=cloudflare-ech.com
SOAlamar.ns.cloudflare.comdns@cloudflare.com serial=2402345071

Previously MX for

voni.cz

Same first word

mail.df.gov.br
mail.ci
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mail.ne.jp
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mail.be
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mail.neustar
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DNS History

10 records (4 active, 6 former)

20162017201820192020202120222023202420252026NSns.forpsi.czns.forpsi.itns.forpsi.netA104.21.83.31172.67.167.1282606:4700:3036::6815:531f2606:4700:3036::ac43:a78081.2.194.12881.31.34.54CNAMEvoni.cz
○NSns.forpsi.cz2016-02-09 → 2016-05-02 · 4 obs
● 2016-02-09 05:53:00
● 2016-05-02 22:40:04
○ 2026-04-13 14:43:54
○ 2026-04-23 11:42:46
○NSns.forpsi.it2016-02-09 → 2016-05-02 · 4 obs
● 2016-02-09 05:53:00
● 2016-05-02 22:40:04
○ 2026-04-13 14:43:54
○ 2026-04-23 11:42:46
○NSns.forpsi.net2016-02-09 → 2016-05-02 · 4 obs
● 2016-02-09 05:53:00
● 2016-05-02 22:40:04
○ 2026-04-13 14:43:54
○ 2026-04-23 11:42:46
●A104.21.83.312026-04-13 → 2026-04-23 · 3 obs
○ 2016-05-02 22:40:04
● 2026-04-13 14:43:54
● 2026-04-23 11:42:46
●A172.67.167.1282026-04-13 → 2026-04-23 · 3 obs
○ 2016-05-02 22:40:04
● 2026-04-13 14:43:54
● 2026-04-23 11:42:46
●A2606:4700:3036::6815:531f2026-04-13 → 2026-04-23 · 3 obs
○ 2016-05-02 22:40:04
● 2026-04-13 14:43:54
● 2026-04-23 11:42:46
●A2606:4700:3036::ac43:a7802026-04-13 → 2026-04-23 · 3 obs
○ 2016-05-02 22:40:04
● 2026-04-13 14:43:54
● 2026-04-23 11:42:46
○A81.2.194.1282016-02-09 → 2016-05-02 · 5 obs
○ 2015-11-18 12:41:56
● 2016-02-09 05:53:00
● 2016-05-02 22:40:04
○ 2026-04-13 14:43:54
○ 2026-04-23 11:42:46
○A81.31.34.542015-07-16 → 2015-11-18 · 4 obs
● 2015-07-16 06:46:02
● 2015-11-18 12:41:56
○ 2016-02-09 05:53:00
○ 2026-04-23 11:42:46
○CNAMEvoni.cz2016-02-09 → 2016-05-02 · 4 obs
● 2016-02-09 05:53:00
● 2016-05-02 22:40:04
○ 2026-04-13 14:43:54
○ 2026-04-23 11:42:46

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cza.ns.nic.cz, c.ns.nic.cz, b.ns.nic.cz, d.ns.nic.cz-
voni.czlamar.ns.cloudflare.com, marjory.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.195.142

NS records: lamar.ns.cloudflare.com, marjory.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for voni.cz (unsigned zone)

⏱️ Timing

Total: 824ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.83.31, 172.67.167.128
AAAA22606:4700:3036::ac43:a780, 2606:4700:3036::6815:531f
HTTPS1{"priority":1,"target":".","alpn":["h3",

Analysis

IP Addresses

mail.voni.cz resolves to four IPs: 2606:4700:3036::6815:531f, 2606:4700:3036::ac43:a780, 104.21.83.31 and 172.67.167.128.

Other host names, for instance abc.springdevyh.workers.dev, cemeslothoki.com, 441107.com, terra.ax2.net and stephendixon.info share IP numbers with mail.voni.cz.