diff.cz - robtex.com

diff.cz

DNSSEC🔒 Signed (DS record present)
A31.15.13.43🇨🇿 ACTIVE24-AS31.15.8.0/21 CZ-ACTIVE24-NET2
PTRunassigned-31.15.13.43.active24.cz
NSns1.websupport.cz ⭐
A2a10:bbc0::11🇨🇿 ACTIVE24-AS2a10:bbc0::/32
PTRns1.websupport.eu
A45.10.97.11🇨🇿 ACTIVE24-AS45.10.97.0/24
PTRns1.websupport.eu
NSns2.websupport.cz
A2a02:250:3::12🇸🇪 ACTIVE24-AS2a02:250:3::/48
PTRns2.websupport.eu
A185.71.159.12🇸🇪 ACTIVE24-AS185.71.159.0/24
PTRns2.websupport.eu
NSns3.websupport.eu
A2a10:bbc0::13🇨🇿 ACTIVE24-AS2a10:bbc0::/32
PTRns3.websupport.eu
A45.10.97.13🇨🇿 ACTIVE24-AS45.10.97.0/24
PTRns3.websupport.eu
MXaspmx.l.google.com ⭐
A2607:f8b0:4004:c17::1b🇺🇸 Google2607:f8b0:4004::/48
PTRbl-in-f27.1e100.net
A142.250.31.26🇺🇸 Google142.250.31.0/24
PTRbj-in-f26.1e100.net
MXalt1.aspmx.l.google.com(5)
A2800:3f0:4003:c0f::1b🇨🇱 Google2800:3f0:4003::/48
A108.177.123.27🇺🇸 Google108.177.123.0/24
PTRlcscld-in-f27.1e100.net
MXalt2.aspmx.l.google.com(5)
A2a00:1450:400b:c02::1a🇮🇪 Google2a00:1450:400b::/48
PTRdj-in-f26.1e100.net
A172.253.116.27🇺🇸 Google172.253.116.0/24
PTRdj-in-f27.1e100.net
MXalt3.aspmx.l.google.com(10)
A2a00:1450:4009:c0f::1a🇬🇧 Google2a00:1450:4009::/48
PTRyulhrs-in-f26.1e100.net
A192.178.223.27🇺🇸 Google192.178.223.0/24
PTRyulhrs-in-f27.1e100.net
MXalt4.aspmx.l.google.com(10)
A2a00:1450:400c:c23::1b🇧🇪 Google2a00:1450:400c::/48
PTRyubrupd-in-f27.1e100.net
A172.253.157.26🇺🇸 Google172.253.0.0/16
PTRyubrupd-in-f26.1e100.net
TXTv=spf1 include:_spf.google.com include:clevermonitor.net include:spf.yottly.c...
SOAns1.websupport.czadmin@websupport.cz serial=1779150087

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=1783230441

Same first word

diff.hu
diff.dk
diff.fr
diff.dev
diff.ee
diff.org
diff.si
diff.tech
diff.de
diff.me
diff.so
diff.io
diff.design
diff.sh
diff.ru
diff.nl
diff.co.il
diff.la
diff.gr
diff.guru
diff.blue
diff.co.kr
diff.ltd
diff.guide
diff.no
diff.pl
diff.ca
diff.ro
diff.ch
diff.cz
diff.co.uk
diff.rent
diff.cn
diff.co.nz
diff.cc
diff.it
diff.im
diff.blog
diff.ie
diff.fi
diff.sk
diff.space
diff.pro
diff.com.br
diff.vn
diff.in
diff.wiki
diff.kr
diff.be
diff.pics
diff.app
diff.co
diff.ae
diff.codes
diff.us
diff.net.au
diff.lt
diff.su
diff.com

Similar names

fidf.org
iffd.es
ffid.ca
fidf.net
ffid.com.br
iffd.net
dffi.com
ffid.cn
iffd.eu
ffdi.org
ffid.hu
ffdi.net
ifdf.net
ffid.de
ffdi.pro
ffdi.hr
fdfi.com
ffid.io
fdfi.de
ffid.net
fidf.com
ifdf.de
fdfi.cn
idff.net
dfif.cn
ifdf.com
iffd.com
fidf.info
ffid.eu
ifdf.org
ffid.com
dffi.net
fifd.cn
ffid.co.jp
ffdi.com
dffi.org
fdfi.org
fifd.com
fdif.org
dffi.de
iffd.it
idff.edu.do
idff.com
fdfi.net
idff.org
fdif.com
iffd.org
fidf.fr
ffid.in

DNS History

14 records (9 active, 5 former)

20162017201820192020202120222023202420252026NSns1.websupport.czns2.websupport.czns3.websupport.eualfa.ns.active24.czbeta.ns.active24.czgama.ns.active24.skMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comaspmx.l.google.comA31.15.13.43185.120.68.12091.121.225.120
○NSalfa.ns.active24.cz2015-07-04 → 2016-06-18 · 4 obs
● 2015-07-04 17:06:04
● 2016-06-18 04:12:00
○ 2026-02-28 02:50:58
○ 2026-07-05 06:03:38
○NSbeta.ns.active24.cz2015-07-04 → 2016-06-18 · 4 obs
● 2015-07-04 17:06:04
● 2016-06-18 04:12:00
○ 2026-02-28 02:50:58
○ 2026-07-05 06:03:38
○NSgama.ns.active24.sk2015-07-04 → 2016-06-18 · 4 obs
● 2015-07-04 17:06:04
● 2016-06-18 04:12:00
○ 2026-02-28 02:50:58
○ 2026-07-05 06:03:38
●NSns1.websupport.cz2026-02-28 → 2026-07-05 · 3 obs
○ 2016-06-18 04:12:00
● 2026-02-28 02:50:58
● 2026-07-05 06:03:38
●NSns2.websupport.cz2026-02-28 → 2026-07-05 · 3 obs
○ 2016-06-18 04:12:00
● 2026-02-28 02:50:58
● 2026-07-05 06:03:38
●NSns3.websupport.eu2026-02-28 → 2026-07-05 · 3 obs
○ 2016-06-18 04:12:00
● 2026-02-28 02:50:58
● 2026-07-05 06:03:38
●MXalt1.aspmx.l.google.com2015-07-04 → 2026-07-05 · 2 obs
● 2015-07-04 17:06:04
● 2026-07-05 06:03:38
●MXalt2.aspmx.l.google.com2015-07-04 → 2026-07-05 · 2 obs
● 2015-07-04 17:06:04
● 2026-07-05 06:03:38
●MXalt3.aspmx.l.google.com2015-07-04 → 2026-07-05 · 2 obs
● 2015-07-04 17:06:04
● 2026-07-05 06:03:38
●MXalt4.aspmx.l.google.com2015-07-04 → 2026-07-05 · 2 obs
● 2015-07-04 17:06:04
● 2026-07-05 06:03:38
●MXaspmx.l.google.com2015-07-04 → 2026-07-05 · 2 obs
● 2015-07-04 17:06:04
● 2026-07-05 06:03:38
○A185.120.68.1202016-02-29 → 2016-06-18 · 5 obs
○ 2015-11-09 14:00:44
● 2016-02-29 10:31:18
● 2016-06-18 04:12:00
○ 2026-02-28 02:50:58
○ 2026-07-05 06:03:38
●A31.15.13.432026-02-28 → 2026-07-05 · 3 obs
○ 2016-06-18 04:12:00
● 2026-02-28 02:50:58
● 2026-07-05 06:03:38
○A91.121.225.1202015-07-04 → 2015-11-09 · 4 obs
● 2015-07-04 17:06:04
● 2015-11-09 14:00:44
○ 2016-02-29 10:31:18
○ 2026-07-05 06:03:38

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cza.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz-
diff.czns3.websupport.eu, ns1.websupport.cz, ns2.websupport.cz-

✅ Authoritative Response

Server:185.71.159.12

NS records: ns3.websupport.eu, ns1.websupport.cz, ns2.websupport.cz

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1886ms | Queries: -

📄 Records

TypeCountSample Data
A131.15.13.43
NS3ns1.websupport.cz, ns2.websupport.cz...
MX5aspmx.l.google.com (pri: 1), alt1.aspmx.l.google.com (pri: 5)...
TXT1v=spf1 include:_spf.google.com include:c
SOA1ns1.websupport.cz admin.websupport.cz

Analysis

IP Addresses

diff.cz directs to one IP number, which is 31.15.13.43.

Name Servers

diff.cz is served by three name servers: ns1.websupport.cz, ns2.websupport.cz and ns3.websupport.eu.

At least some of diff.cz's name servers are shared with other domains, for example kascar.cz, xep.cz, monitordrazeb.cz and two more.

The hostnames ns1.websupport.cz, ns2.websupport.cz and ns3.websupport.eu each direct to two IP addresses — ns1.websupport.cz to 45.10.97.11 and 2a10:bbc0::11, ns2.websupport.cz to 185.71.159.12 and 2a02:250:3::12, and ns3.websupport.eu to 45.10.97.13 and 2a10:bbc0::13.

Mail Servers

diff.cz has five mail servers, which are aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

diff.cz shares at least some of its mail servers with other domains — for example hiratake.xyz, ns500671.ns500671.ns500671.ns500754.ns500671.ns500754.ns500688.ns500705.ns500688.ns500291.ns500671.ns500649.ns500649.ns500666.tenderladiesbz.com, ns500754.ns500671.ns500671.ns500742.ns500704.ns500704.ns500704.ns500671.ns500704.ns500704.ns500666.ns500291.ns500131.lustychickser.com and two more.

It is common to find these mail servers paired with mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and 3 more.

Hosts with two IP numbers each:

The A records for aspmx.l.google.com return 142.250.31.26 and 2607:f8b0:4004:c17::1b.

The A records for alt1.aspmx.l.google.com return 108.177.123.27 and 2800:3f0:4003:c0f::1b.

The A records for alt2.aspmx.l.google.com return 172.253.116.27 and 2a00:1450:400b:c02::1a.

The A records for alt3.aspmx.l.google.com return 192.178.223.27 and 2a00:1450:4009:c0f::1a.

The A records for alt4.aspmx.l.google.com return 172.253.157.26 and 2a00:1450:400c:c23::1b.