os-echo.cz - robtex.com

os-echo.cz

DNSSEC🔒 Signed (DS record present)
A2a00:19a0:3:72:0:d9c6:72bc:1🇨🇿 ZONER-AS2a00:19a0::/32 ZONER-IPV6-NET
PTRgerd.zarea.net
A217.198.114.188🇨🇿 ZONER-AS217.198.112.0/20 ZONER-NET
NSns1.regzone.cz ⭐
A2a00:19a0:3:71:0:d9c6:710a:1🇨🇿 ZONER-AS2a00:19a0::/32 ZONER-IPV6-NET
PTRns1.regzone.cz
A217.198.113.10🇨🇿 ZONER-AS217.198.112.0/20 ZONER-NET
PTRns1.regzone.cz
NSns1.regzone.de
A2600:3c02::f03c:91ff:fedb:a6e7🇺🇸 AKAMAI-LINODE-AP2600:3c02::/32 Akamai Technologies
PTRns1.regzone.de
A23.92.29.43🇺🇸 AKAMAI-LINODE-AP23.92.28.0/22 Akamai Technologies
PTRns1.regzone.de
NSns1.regzone.info
A2001:1528:147::10🇨🇿 CASABLANCA-AS2001:1528::/32 Casablanca INT v6 network
PTRns1.regzone.info
A81.0.233.10🇨🇿 CASABLANCA-AS81.0.232.0/21 Casablanca INT
PTRns1.regzone.info
MXosecho-cz0e.mail.protection.outlook.com ⭐
A2a01:111:f403:ca04::5🇮🇪 Microsoft2a01:111:f000::/36
PTRmail-db3pr0202cu00205.inbound.protection.outlook.com
A2a01:111:f403:ca09::2🇳🇱 Microsoft2a01:111:f000::/36
PTRmail-am0pr83cu00402.inbound.protection.outlook.com
A2a01:111:f403:ca09::7🇳🇱 Microsoft2a01:111:f000::/36
PTRmail-am9pr04cu00107.inbound.protection.outlook.com
A2a01:111:f403:ca09::8🇳🇱 Microsoft2a01:111:f000::/36
PTRmail-as2pr05cu00100.inbound.protection.outlook.com
A52.101.73.2🇳🇱 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-as9pr07cu00302.inbound.protection.outlook.com
A52.101.73.19🇳🇱 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-as8pr04cu00803.inbound.protection.outlook.com
A52.101.73.26🇳🇱 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-as9pr05cu01302.inbound.protection.outlook.com
A52.101.73.153🇳🇱 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-as8pr05cu00401.inbound.protection.outlook.com
TXTv=spf1 ip4:85.160.64.19 include:spf.protection.outlook.com ~all
SOAns1.regzone.czadministrator@czechia.cz 2026-05-26 #6

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=1784161041
WOT: SAFE (62/100)

Same first word

os-echo.cz

Similar names

hoso-ec.com

DNS History

10 records (6 active, 4 former)

20162017201820192020202120222023202420252026NSns1.regzone.czns1.regzone.dens1.regzone.infons1.ignum.comns2.ignum.czMXosecho-cz0e.mail.protection.outlook.commxavas.forpsi.comA217.198.114.1882a00:19a0:3:72:0:d9c6:72bc:1217.31.62.51
○NSns1.ignum.com2015-08-08 → 2017-12-21 · 4 obs
● 2015-08-08 06:39:18
● 2017-12-21 03:47:00
○ 2026-02-21 15:26:06
○ 2026-07-16 01:13:50
●NSns1.regzone.cz2026-02-21 → 2026-07-16 · 3 obs
○ 2017-12-21 03:47:00
● 2026-02-21 15:26:06
● 2026-07-16 01:13:50
●NSns1.regzone.de2026-02-21 → 2026-07-16 · 3 obs
○ 2017-12-21 03:47:00
● 2026-02-21 15:26:06
● 2026-07-16 01:13:50
●NSns1.regzone.info2026-02-21 → 2026-07-16 · 3 obs
○ 2017-12-21 03:47:00
● 2026-02-21 15:26:06
● 2026-07-16 01:13:50
○NSns2.ignum.cz2015-08-08 → 2017-12-21 · 4 obs
● 2015-08-08 06:39:18
● 2017-12-21 03:47:00
○ 2026-02-21 15:26:06
○ 2026-07-16 01:13:50
○MXmxavas.forpsi.com2015-08-08 → 2017-12-21 · 4 obs
● 2015-08-08 06:39:18
● 2017-12-21 03:47:00
○ 2026-02-21 15:26:06
○ 2026-07-16 01:13:50
●MXosecho-cz0e.mail.protection.outlook.com2026-02-21 → 2026-07-16 · 3 obs
○ 2017-12-21 03:47:00
● 2026-02-21 15:26:06
● 2026-07-16 01:13:50
●A217.198.114.1882026-02-21 → 2026-07-16 · 3 obs
○ 2017-12-21 03:47:00
● 2026-02-21 15:26:06
● 2026-07-16 01:13:50
○A217.31.62.512017-12-21 → 2017-12-21 · 3 obs
● 2017-12-21 03:47:00
○ 2026-02-21 15:26:06
○ 2026-07-16 01:13:50
●A2a00:19a0:3:72:0:d9c6:72bc:12026-02-21 → 2026-07-16 · 3 obs
○ 2017-12-21 03:47:00
● 2026-02-21 15:26:06
● 2026-07-16 01:13:50

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
czc.ns.nic.cz, d.ns.nic.cz, a.ns.nic.cz, b.ns.nic.cz-
os-echo.czns1.regzone.cz, ns1.regzone.de, ns1.regzone.info2 records

✅ Authoritative Response

Server:81.0.233.10

NS records: ns1.regzone.cz, ns1.regzone.de, ns1.regzone.info

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1682ms | Queries: -

📄 Records

TypeCountSample Data
A1217.198.114.188
AAAA12a00:19a0:3:72:0:d9c6:72bc:1
NS3ns1.regzone.cz, ns1.regzone.de...
MX1osecho-cz0e.mail.protection.outlook.com
TXT1v=spf1 ip4:85.160.64.19 include:spf.prot
SOA1ns1.regzone.cz administrator.czechia.cz

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.regzone.cz, ns1.regzone.cz)

Analysis

IP Addresses

os-echo.cz directs to two IP numbers, 217.198.114.188 and 2a00:19a0:3:72:0:d9c6:72bc:1

shbohunice.cz, skiland.cz, portalek.eu plus two other host names have IP numbers in common with os-echo.cz.

Name Servers

os-echo.cz has three name servers — ns1.regzone.cz, ns1.regzone.de and ns1.regzone.info.

os-echo.cz has at least partial name server overlap with other domains, such as hothotexclusive.com, noark.se, humanit.sk and two others.

Each of ns1.regzone.cz, ns1.regzone.de and ns1.regzone.info points to two IP numbers. ns1.regzone.cz points to 217.198.113.10 and 2a00:19a0:3:71:0:d9c6:710a:1. ns1.regzone.de points to 23.92.29.43 and 2600:3c02::f03c:91ff:fedb:a6e7. ns1.regzone.info points to 81.0.233.10 and 2001:1528:147::10.

Mail Servers

os-echo.cz uses one mail server — osecho-cz0e.mail.protection.outlook.com.

osecho-cz0e.mail.protection.outlook.com has 8 IP addresses: 52.101.73.2, 52.101.73.19, 52.101.73.26 plus 5 more.