ratios.cz - robtex.com

ratios.cz

DNSSEC๐Ÿ”’ Signed (DS record present)
NSns.grdns.cz โญ
A2001:15e8:101:1::c268๐Ÿ‡จ๐Ÿ‡ฟ INTERNET-CZ2001:15e8::/32
PTRns.grdns.cz
A81.2.194.104๐Ÿ‡จ๐Ÿ‡ฟ INTERNET-CZ81.2.192.0/18 INTERNET CZ, a.s.
PTRns.grdns.cz
NSns.grdns.it
A2a00:6d41:2:1::7๐Ÿ‡ฎ๐Ÿ‡น ARUBA-ASN2a00:6d41::/32 Aruba S.p.A. IPv6 Network
PTRns.grdns.it
A95.110.254.167๐Ÿ‡ฎ๐Ÿ‡น ARUBA-ASN95.110.192.0/18 Aruba S.p.A. Network
PTRns.grdns.it
MXmail.alu-sv.com โญ
A213.210.163.15๐Ÿ‡จ๐Ÿ‡ฟ TMOBILE-CZ213.210.128.0/18 T-Mobile Czech Republic a.s.
PTRmail.alu-sv.com
MXmx2l.whitesoft.eu(20)
A81.25.28.123๐Ÿ‡จ๐Ÿ‡ฟ CEZNET-AS81.25.24.0/21 CEZNET s.r.o. CER
MXmx2p.whitesoft.eu(20)
A212.24.149.172๐Ÿ‡จ๐Ÿ‡ฟ QUANTCOM-AS212.24.128.0/19 Dial Telecom, a.s.
PTRmx2p.whitesoft.eu
SOAns.grdns.czadmin@grdns.cz 2026-07-05 #1

cz

DNSSEC๐Ÿ”’ Signed (DS record present)
NSa.ns.nic.cz โญ
NSb.ns.nic.cz
NSc.ns.nic.cz
NSd.ns.nic.cz
SOAa.ns.nic.czhostmaster@nic.cz serial=1783736241

Same first word

Similar names

DNS History

7 records (5 active, 2 former)

20162017201820192020202120222023202420252026NSns.grdns.czns.grdns.itMXmail.alu-sv.commx2l.whitesoft.eumx2p.whitesoft.euhermes.whitesoft.eumail.alu-sv.cz
โ—NSns.grdns.cz2015-05-29 โ†’ 2026-07-11 ยท 2 obs
โ— 2015-05-29 20:57:56
โ— 2026-07-11 03:09:56
โ—NSns.grdns.it2015-05-29 โ†’ 2026-07-11 ยท 2 obs
โ— 2015-05-29 20:57:56
โ— 2026-07-11 03:09:56
โ—‹MXhermes.whitesoft.eu2015-05-29 โ†’ 2016-04-11 ยท 4 obs
โ— 2015-05-29 20:57:56
โ— 2016-04-11 20:55:54
โ—‹ 2017-04-09 17:12:50
โ—‹ 2026-07-11 03:09:56
โ—MXmail.alu-sv.com2026-06-13 โ†’ 2026-07-11 ยท 3 obs
โ—‹ 2017-04-09 17:12:50
โ— 2026-06-13 10:13:34
โ— 2026-07-11 03:09:56
โ—‹MXmail.alu-sv.cz2015-05-29 โ†’ 2017-04-09 ยท 4 obs
โ— 2015-05-29 20:57:56
โ— 2017-04-09 17:12:50
โ—‹ 2026-06-13 10:13:34
โ—‹ 2026-07-11 03:09:56
โ—MXmx2l.whitesoft.eu2017-04-09 โ†’ 2026-07-11 ยท 3 obs
โ—‹ 2016-04-11 20:55:54
โ— 2017-04-09 17:12:50
โ— 2026-07-11 03:09:56
โ—MXmx2p.whitesoft.eu2017-04-09 โ†’ 2026-07-11 ยท 3 obs
โ—‹ 2016-04-11 20:55:54
โ— 2017-04-09 17:12:50
โ— 2026-07-11 03:09:56

๐Ÿ” DNS Trace

๐Ÿ“‹ Delegation Chain

ZoneNameserversGlue
cza.ns.nic.cz, c.ns.nic.cz, b.ns.nic.cz, d.ns.nic.cz-
ratios.czns.grdns.cz, ns.grdns.it2 records

โœ… Authoritative Response

Server:81.2.194.104

NS records: ns.grdns.cz, ns.grdns.it

๐Ÿ”’ DNSSEC Status

๐Ÿ” Secure (DNSSEC validated)

Chain of trust verified from root to domain

โฑ๏ธ Timing

Total: 1941ms | Queries: -

๐Ÿ“„ Records

TypeCountSample Data
NS2ns.grdns.cz, ns.grdns.it
MX3mail.alu-sv.com (pri: 10), mx2l.whitesoft.eu (pri: 20)...
SOA1ns.grdns.cz admin.grdns.cz

๐Ÿ“Œ Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns.grdns.cz, ns.grdns.cz)

Analysis

Name Servers

Two name servers handle the delegation for ratios.cz: ns.grdns.cz and ns.grdns.it.

The name server configuration of ratios.cz is shared with other domains, for instance mycoremail.net, tanecniobchod.cz, idtp.cz and two others.

ns.grdns.cz and ns.grdns.it both carry two IP addresses. The A records for ns.grdns.cz are 81.2.194.104 and 2001:15e8:101:1::c268; the A records for ns.grdns.it are 95.110.254.167 and 2a00:6d41:2:1::7.

Mail Servers

ratios.cz uses three mail servers โ€” mail.alu-sv.com, mx2l.whitesoft.eu and mx2p.whitesoft.eu.

At least some of the mail servers used by ratios.cz are shared with other domains: retigo.eu, alu-sv.sk, spolak.eu and two others among them.

These mail servers often appear in conjunction with the mail servers mx1l.whitesoft.eu, mx1p.whitesoft.eu, magda.retigo.cz and mail.auditep.cz.

mail.alu-sv.com points to 213.210.163.15; mx2l.whitesoft.eu points to 81.25.28.123; mx2p.whitesoft.eu points to 212.24.149.172 โ€” each hostname maps to exactly one IP address.