fsi.cz - robtex.com

fsi.cz

DNSSEC⚠️ Not signed
A104.247.81.99🇨🇦 TEAMINTERNET-CA-AS104.247.80.0/22 Proxy Registration for Team Internet by Next Dimension
NSns1.parkingcrew.net ⭐
A13.248.158.159🇺🇸 Amazon13.248.144.0/20
PTRa94f3aae71d6f0705.awsglobalaccelerator.com
NSns2.parkingcrew.net
A76.223.21.9🇺🇸 Amazon76.223.16.0/20
PTRa94f3aae71d6f0705.awsglobalaccelerator.com
MXmail.h-email.net ⭐
A5.75.171.74🇩🇪 Hetzner5.75.128.0/17 HETZNER-DC
PTRmail.h-email.net
A5.161.98.212🇺🇸 HETZNER-CLOUD2-AS5.161.98.0/24
PTRmail.h-email.net
A5.161.194.135🇺🇸 HETZNER-CLOUD2-AS5.161.194.0/24
PTRstatic.135.194.161.5.clients.your-server.de
A49.13.4.90🇩🇪 Hetzner49.13.0.0/16 HETZNER-DC
PTRstatic.90.4.13.49.clients.your-server.de
A91.107.214.206🇩🇪 Hetzner91.107.128.0/17 HETZNER-DC
PTRstatic.206.214.107.91.clients.your-server.de
A162.55.164.116🇩🇪 Hetzner162.55.0.0/16 HETZNER-DC
PTRstatic.116.164.55.162.clients.your-server.de
A165.227.156.49🇩🇪 DIGITALOCEAN165.227.144.0/20 DigitalOcean
PTRmail3.h-email.net
A165.227.159.144🇩🇪 DIGITALOCEAN165.227.144.0/20 DigitalOcean
PTRmail2.h-email.net
A167.235.143.33🇩🇪 Hetzner167.235.0.0/16 HETZNER-DC
PTRmail.h-email.net
A178.62.199.248🇳🇱 DIGITALOCEAN178.62.192.0/18 DigitalOcean
PTRmail.h-email.net
TXTv=spf1 ip6:fd1b:212c:a5f9::/48 -all
SOAns1.parkingcrew.nethostmaster@fsi.cz serial=1781004750

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=1783498641

Same first word

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fsi.com.vn
fsi.fi
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fsi.nu
fsi.at

Similar names

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sfi.co.za
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isf.com.pe
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isf.edu.pl

DNS History

10 records (4 active, 6 former)

20162017201820192020202120222023202420252026NSns1.parkingcrew.netns2.parkingcrew.netns1.one.czns2.one.czMXmail.h-email.netA104.247.81.99104.247.81.52185.53.177.20185.53.179.6185.53.179.7
○NSns1.one.cz2015-07-24 → 2016-10-10 · 4 obs
● 2015-07-24 06:25:34
● 2016-10-10 06:45:18
○ 2017-01-14 14:00:26
○ 2026-07-08 08:59:38
●NSns1.parkingcrew.net2017-01-14 → 2026-07-08 · 3 obs
○ 2016-10-10 06:45:18
● 2017-01-14 14:00:26
● 2026-07-08 08:59:38
○NSns2.one.cz2015-07-24 → 2016-10-10 · 4 obs
● 2015-07-24 06:25:34
● 2016-10-10 06:45:18
○ 2017-01-14 14:00:26
○ 2026-07-08 08:59:38
●NSns2.parkingcrew.net2017-01-14 → 2026-07-08 · 3 obs
○ 2016-10-10 06:45:18
● 2017-01-14 14:00:26
● 2026-07-08 08:59:38
●MXmail.h-email.net2017-01-14 → 2026-07-08 · 2 obs
● 2017-01-14 14:00:26
● 2026-07-08 08:59:38
○A104.247.81.522021-01-12 → 2021-04-10 · 5 obs
○ 2019-04-13 02:48:20
● 2021-01-12 20:47:46
● 2021-04-10 18:23:00
○ 2026-06-13 09:43:42
○ 2026-07-08 08:59:38
●A104.247.81.992026-06-13 → 2026-07-08 · 3 obs
○ 2021-04-10 18:23:00
● 2026-06-13 09:43:42
● 2026-07-08 08:59:38
○A185.53.177.202015-07-24 → 2016-10-10 · 4 obs
● 2015-07-24 06:25:34
● 2016-10-10 06:45:18
○ 2017-01-14 14:00:26
○ 2026-07-08 08:59:38
○A185.53.179.62017-01-14 → 2017-01-14 · 4 obs
○ 2016-10-10 06:45:18
● 2017-01-14 14:00:26
○ 2019-04-13 02:48:20
○ 2026-07-08 08:59:38
○A185.53.179.72019-04-13 → 2019-04-13 · 4 obs
○ 2017-01-14 14:00:26
● 2019-04-13 02:48:20
○ 2021-01-12 20:47:46
○ 2026-07-08 08:59:38

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cza.ns.nic.cz, c.ns.nic.cz, b.ns.nic.cz, d.ns.nic.cz-
fsi.czns1.parkingcrew.net, ns2.parkingcrew.net-

✅ Authoritative Response

Server:13.248.158.159

NS records: ns1.parkingcrew.net, ns2.parkingcrew.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for fsi.cz (unsigned zone)

⏱️ Timing

Total: 958ms | Queries: -

📄 Records

TypeCountSample Data
A1104.247.81.99
NS2ns1.parkingcrew.net, ns2.parkingcrew.net
MX1mail.h-email.net (pri: 5)
TXT1v=spf1 ip6:fd1b:212c:a5f9::/48 -all
SOA1ns1.parkingcrew.net hostmaster.fsi.cz

Analysis

IP Addresses

fsi.cz points to a single IP number: 104.247.81.99.

Name Servers

fsi.cz uses two name servers for its delegation: ns1.parkingcrew.net and ns2.parkingcrew.net.

Each of ns1.parkingcrew.net and ns2.parkingcrew.net has one IP address: ns1.parkingcrew.net uses 13.248.158.159 and ns2.parkingcrew.net uses 76.223.21.9.

Mail Servers

fsi.cz has one mail server: mail.h-email.net.

mail.h-email.net points to 10 IP numbers: 5.75.171.74, 5.161.98.212, 5.161.194.135 and 7 other.