tre-fa.cz - robtex.com

tre-fa.cz

DNSSEC⚠️ Not signed
A2606:4700:3035::ac43:a10b🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::6815:f16🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.15.22Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.161.11🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSignacio.ns.cloudflare.com ⭐
A2606:4700:58::a29f:2c52🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRignacio.ns.cloudflare.com
A2803:f800:50::6ca2:c352🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRignacio.ns.cloudflare.com
A2a06:98c1:50::ac40:2352🇺🇸 Cloudflare2a06:98c1:50::/45
PTRignacio.ns.cloudflare.com
A108.162.195.82🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRignacio.ns.cloudflare.com
A162.159.44.82Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRignacio.ns.cloudflare.com
A172.64.35.82🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRignacio.ns.cloudflare.com
NSmolly.ns.cloudflare.com
A2606:4700:50::adf5:3acd🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmolly.ns.cloudflare.com
A2803:f800:50::6ca2:c0cd🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRmolly.ns.cloudflare.com
A2a06:98c1:50::ac40:20cd🇺🇸 Cloudflare2a06:98c1:50::/45
PTRmolly.ns.cloudflare.com
A108.162.192.205🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmolly.ns.cloudflare.com
A172.64.32.205🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmolly.ns.cloudflare.com
A173.245.58.205🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmolly.ns.cloudflare.com
MXe106d0dbf0676d0c.mx2.emailprofi.seznam.cz ⭐
A2a02:598:2::1146🇨🇿 SEZNAM-CZ2a02:598:2::/48
PTRwildcard.mx2.emailprofi.seznam.cz
A77.75.77.146🇨🇿 SEZNAM-CZ77.75.76.0/23 SEZNAM - III
PTRwildcard.mx2.emailprofi.seznam.cz
MXe106d0dbf0676d0c.mx1.emailprofi.seznam.cz(20)
A2a02:598:2::1056🇨🇿 SEZNAM-CZ2a02:598:2::/48
PTRwildcard.mx1.emailprofi.seznam.cz
A77.75.77.56🇨🇿 SEZNAM-CZ77.75.76.0/23 SEZNAM - III
PTRwildcard.mx1.emailprofi.seznam.cz
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.15.22, 172.67.161.11
IPv6 hints2606:4700:3035::ac43:a10b, 2606:4700:3036::6815:f16
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=246, name=cloudflare-ech.com
SOAignacio.ns.cloudflare.comdns@cloudflare.com serial=2398857807

cz

DNSSEC🔒 Signed (DS record present)
NSa.ns.nic.cz ⭐
NSb.ns.nic.cz
NSc.ns.nic.cz
NSd.ns.nic.cz
SOAa.ns.nic.czhostmaster@nic.cz serial=1776102457

Same first word

tre-fa.cz

Similar names

fe-tra.com
fe-art.zone
ef-art.ru
e-frat.com
era-ft.com
e-fart.com
f-rate.ru
f-tera.com
r-fate.com
aft-er.com
te-fra.com
f-arte.com
f-arte.ru

DNS History

18 records (8 active, 10 former)

20162017201820192020202120222023202420252026NSignacio.ns.cloudflare.commolly.ns.cloudflare.comns.onebit.czns.onebit.euns.onebit.orgMXe106d0dbf0676d0c.mx1.emailprofi.seznam.cze106d0dbf0676d0c.mx2.emailprofi.seznam.czmail.onebit.orgmail1.onebit.czmx9.onebit.czmx9.onebit.eumx9.onebit.orgA104.21.15.22172.67.161.112606:4700:3035::ac43:a10b2606:4700:3036::6815:f16178.238.37.151178.238.37.205
●NSignacio.ns.cloudflare.com2026-04-09 → 2026-04-13 · 3 obs
○ 2017-12-02 13:09:30
● 2026-04-09 17:50:20
● 2026-04-13 18:14:06
●NSmolly.ns.cloudflare.com2026-04-09 → 2026-04-13 · 3 obs
○ 2017-12-02 13:09:30
● 2026-04-09 17:50:20
● 2026-04-13 18:14:06
○NSns.onebit.cz2015-09-01 → 2017-12-02 · 4 obs
● 2015-09-01 05:08:46
● 2017-12-02 13:09:30
○ 2026-04-09 17:50:20
○ 2026-04-13 18:14:06
○NSns.onebit.eu2015-09-01 → 2017-12-02 · 4 obs
● 2015-09-01 05:08:46
● 2017-12-02 13:09:30
○ 2026-04-09 17:50:20
○ 2026-04-13 18:14:06
○NSns.onebit.org2015-09-01 → 2017-12-02 · 4 obs
● 2015-09-01 05:08:46
● 2017-12-02 13:09:30
○ 2026-04-09 17:50:20
○ 2026-04-13 18:14:06
●MXe106d0dbf0676d0c.mx1.emailprofi.seznam.cz2026-04-09 → 2026-04-13 · 3 obs
○ 2017-12-02 13:09:30
● 2026-04-09 17:50:20
● 2026-04-13 18:14:06
●MXe106d0dbf0676d0c.mx2.emailprofi.seznam.cz2026-04-09 → 2026-04-13 · 3 obs
○ 2017-12-02 13:09:30
● 2026-04-09 17:50:20
● 2026-04-13 18:14:06
○MXmail.onebit.org2015-09-01 → 2015-09-01 · 3 obs
● 2015-09-01 05:08:46
○ 2015-11-12 12:38:02
○ 2026-04-13 18:14:06
○MXmail1.onebit.cz2015-09-01 → 2015-09-01 · 3 obs
● 2015-09-01 05:08:46
○ 2015-11-12 12:38:02
○ 2026-04-13 18:14:06
○MXmx9.onebit.cz2015-11-12 → 2017-12-02 · 5 obs
○ 2015-09-01 05:08:46
● 2015-11-12 12:38:02
● 2017-12-02 13:09:30
○ 2026-04-09 17:50:20
○ 2026-04-13 18:14:06
○MXmx9.onebit.eu2015-11-12 → 2017-12-02 · 5 obs
○ 2015-09-01 05:08:46
● 2015-11-12 12:38:02
● 2017-12-02 13:09:30
○ 2026-04-09 17:50:20
○ 2026-04-13 18:14:06
○MXmx9.onebit.org2015-11-12 → 2017-12-02 · 5 obs
○ 2015-09-01 05:08:46
● 2015-11-12 12:38:02
● 2017-12-02 13:09:30
○ 2026-04-09 17:50:20
○ 2026-04-13 18:14:06
●A104.21.15.222026-04-09 → 2026-04-13 · 3 obs
○ 2017-12-02 13:09:30
● 2026-04-09 17:50:20
● 2026-04-13 18:14:06
●A172.67.161.112026-04-09 → 2026-04-13 · 3 obs
○ 2017-12-02 13:09:30
● 2026-04-09 17:50:20
● 2026-04-13 18:14:06
○A178.238.37.1512015-09-01 → 2016-10-19 · 4 obs
● 2015-09-01 05:08:46
● 2016-10-19 01:52:42
○ 2017-12-02 13:09:30
○ 2026-04-13 18:14:06
○A178.238.37.2052017-12-02 → 2017-12-02 · 4 obs
○ 2016-10-19 01:52:42
● 2017-12-02 13:09:30
○ 2026-04-09 17:50:20
○ 2026-04-13 18:14:06
●A2606:4700:3035::ac43:a10b2026-04-09 → 2026-04-13 · 3 obs
○ 2017-12-02 13:09:30
● 2026-04-09 17:50:20
● 2026-04-13 18:14:06
●A2606:4700:3036::6815:f162026-04-09 → 2026-04-13 · 3 obs
○ 2017-12-02 13:09:30
● 2026-04-09 17:50:20
● 2026-04-13 18:14:06

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cza.ns.nic.cz, c.ns.nic.cz, b.ns.nic.cz, d.ns.nic.cz-
tre-fa.czmolly.ns.cloudflare.com, ignacio.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.195.82

NS records: molly.ns.cloudflare.com, ignacio.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for tre-fa.cz (unsigned zone)

⏱️ Timing

Total: 915ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.15.22, 172.67.161.11
AAAA22606:4700:3035::ac43:a10b, 2606:4700:3036::6815:f16
NS2ignacio.ns.cloudflare.com, molly.ns.cloudflare.com
MX2e106d0dbf0676d0c.mx2.emailprofi.seznam.c, e106d0dbf0676d0c.mx1.emailprofi.seznam.c
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1ignacio.ns.cloudflare.com dns.cloudflare

Analysis

IP Addresses

tre-fa.cz refers to four IP numbers: 2606:4700:3035::ac43:a10b, 2606:4700:3036::6815:f16, 104.21.15.22 and 172.67.161.11.

Other host names, for instance gli5.cn, runewire.com, jagranmp.com, falling-fire-e27e.gvjye7ky.workers.dev and ajandlaura.com share IP numbers with tre-fa.cz.

Name Servers

tre-fa.cz's delegation uses two name servers: ignacio.ns.cloudflare.com and molly.ns.cloudflare.com.

tre-fa.cz uses the same name server setup as other domains, such as dasaran.net, jph-lmjk.cz, (0x666170)ohorelice.cz, lhoteckafarnost.cz and hostingsip.com.

tre-fa.cz at least partially shares name servers with other domains, including webkom.dev, savannahlakesvillage.com, xinlongbj.com, senkang.com.tw and qsoftvietnam.com.

These name servers are commonly used with aleena.ns.cloudflare.com, roman.ns.cloudflare.com and kelly.ns.cloudflare.com.

Host names with six IP numbers:

ignacio.ns.cloudflare.com points to 2606:4700:58::a29f:2c52, 2803:f800:50::6ca2:c352, 2a06:98c1:50::ac40:2352, 108.162.195.82, 162.159.44.82 and 172.64.35.82.

molly.ns.cloudflare.com points to 2606:4700:50::adf5:3acd, 2803:f800:50::6ca2:c0cd, 2a06:98c1:50::ac40:20cd, 108.162.192.205, 172.64.32.205 and 173.245.58.205.

Mail Servers

tre-fa.cz is served by two mail servers e106d0dbf0676d0c.mx1.emailprofi.seznam.cz and e106d0dbf0676d0c.mx2.emailprofi.seznam.cz.

Host names with two IPs:

e106d0dbf0676d0c.mx1.emailprofi.seznam.cz points to 2a02:598:2::1056 and 77.75.77.56

e106d0dbf0676d0c.mx2.emailprofi.seznam.cz points to 2a02:598:2::1146 and 77.75.77.146