string.cz - dns.ninja

string.cz

DNSSEC⚠️ Not signed
NSns2.sdserver.cz ⭐
A212.158.143.16🇨🇿 BlueTone-AS212.158.128.0/19 BlueTone-CRa-CZ First address block
NSns.sdserver.cz ⚠️ Not in parent delegation
A212.158.143.10🇨🇿 BlueTone-AS212.158.128.0/19 BlueTone-CRa-CZ First address block
NSns3.sdserver.cz
A84.244.96.162🇨🇿 BlueTone-AS84.244.64.0/18 BlueTone-CRa-CZ Third address block
NSns4.sdserver.cz
MXsdmail2.sdserver.cz ⭐
A212.158.143.88🇨🇿 BlueTone-AS212.158.128.0/19 BlueTone-CRa-CZ First address block
TXTMS=ms43141353
SOAns.sdserver.czdns-admin@stringdata.cz 2017-10-16 #7

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=1785791839

Same first word

string.capital
string.nl
string.ly
string.lu
string.pl
string.autos
string.money
string.network
string.es
string.lt
string.ch
string.io
string.eu
string.se
string.chat
string.me
string.cn
string.hu
string.ro
string.ltd
string.org
string.be
string.world
string.com.br
string.at
string.de
string.systems
string.email
string.exchange
string.ai
string.co.il
string.net
string.tips
string.cz
string.global
string.pro
string.no
string.marketing
string.info
string.com.mx
string.awsapps.com
string.solutions
string.co
string.ca
string.gy
string.fr
string.rocks
string.bet
string.technology
string.dk
string.community
string.com
string.biz

Similar names

grints.com
instgr.com
gsrint.com
grsint.com
signrt.website
stingr.net
rtsing.com
rtings.com
stingr.com
intgrs.com
stirng.com
nrgist.nu
instgr.am
rsgint.com
ginstr.com
ingstr.com
sringt.com
stingr.info
grsint.cl
signtr.com
gsrint.com.au
trings.com
grinst.de
rtings.net
instgr.net
nrgist.com
ringst.com
signrt.online
grtins.com
signtr.online
rgsint.com
sgrint.com
rtsign.com
strign.com

DNS History

11 records (5 active, 6 former)

20162017201820192020202120222023202420252026NSns.sdserver.czns2.sdserver.czns3.sdserver.czns4.sdserver.czns1.sdserver.czsrv1.sdserver.czMXsdmail2.sdserver.czmail2.sdserver.czsdmail.sdserver.czA212.158.143.2581.0.239.66
●NSns.sdserver.cz2026-02-14 → 2026-08-03 · 3 obs
○ 2017-02-19 00:45:38
● 2026-02-14 20:41:04
● 2026-08-03 22:43:12
○NSns1.sdserver.cz2015-08-16 → 2017-02-19 · 4 obs
● 2015-08-16 12:34:32
● 2017-02-19 00:45:38
○ 2026-02-14 20:41:04
○ 2026-08-03 22:43:12
●NSns2.sdserver.cz2015-08-16 → 2026-08-03 · 2 obs
● 2015-08-16 12:34:32
● 2026-08-03 22:43:12
●NSns3.sdserver.cz2015-08-16 → 2026-08-03 · 2 obs
● 2015-08-16 12:34:32
● 2026-08-03 22:43:12
●NSns4.sdserver.cz2015-08-16 → 2026-08-03 · 10 obs
● 2015-08-16 12:34:32
● 2026-02-14 20:41:04
○ 2026-03-13 17:38:18
● 2026-03-17 16:46:52
● 2026-05-13 06:18:34
○ 2026-05-16 11:56:54
● 2026-06-18 23:31:44
○ 2026-08-03 12:09:16
● 2026-08-03 22:43:10
● 2026-08-03 22:43:12
○NSsrv1.sdserver.cz2015-08-16 → 2017-02-19 · 4 obs
● 2015-08-16 12:34:32
● 2017-02-19 00:45:38
○ 2026-02-14 20:41:04
○ 2026-08-03 22:43:12
○MXmail2.sdserver.cz2015-08-16 → 2017-02-19 · 4 obs
● 2015-08-16 12:34:32
● 2017-02-19 00:45:38
○ 2026-02-14 20:41:04
○ 2026-08-03 22:43:12
○MXsdmail.sdserver.cz2015-08-16 → 2016-03-27 · 4 obs
● 2015-08-16 12:34:32
● 2016-03-27 22:22:02
○ 2017-02-19 00:45:38
○ 2026-08-03 22:43:12
●MXsdmail2.sdserver.cz2017-02-19 → 2026-08-03 · 8 obs
○ 2016-03-27 22:22:02
● 2017-02-19 00:45:38
● 2026-05-06 12:01:50
○ 2026-05-08 01:04:50
● 2026-05-09 16:06:24
○ 2026-07-08 04:10:42
● 2026-08-03 22:43:10
● 2026-08-03 22:43:12
○A212.158.143.252026-02-14 → 2026-02-14 · 4 obs
○ 2017-02-19 00:45:38
● 2026-02-14 20:41:04
○ 2026-08-03 12:09:16
○ 2026-08-03 22:43:12
○A81.0.239.662015-08-16 → 2016-03-27 · 4 obs
● 2015-08-16 12:34:32
● 2016-03-27 22:22:02
○ 2017-02-19 00:45:38
○ 2026-08-03 22:43:12

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cza.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz-
string.czns.sdserver.cz, ns2.sdserver.cz, ns3.sdserver.cz3 records

✅ Authoritative Response

Server:84.244.96.162

NS records: ns.sdserver.cz, ns2.sdserver.cz, ns3.sdserver.cz

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for string.cz (unsigned zone)

⏱️ Timing

Total: 763ms | Queries: -

📄 Records

TypeCountSample Data
A1212.158.143.25
NS4ns.sdserver.cz, ns3.sdserver.cz...
MX1sdmail2.sdserver.cz (pri: 10)
TXT1MS=ms43141353
SOA1ns.sdserver.cz dns-admin.stringdata.cz

📌 Glue Records Collected

Total: 3

Out-of-bailiwick: 3 (ns.sdserver.cz, ns2.sdserver.cz, ns3.sdserver.cz)

Analysis

Name Servers

string.cz has four authoritative name servers: ns2.sdserver.cz, ns3.sdserver.cz, ns4.sdserver.cz and ns.sdserver.cz.

There is at least partial name server overlap between string.cz and other domains — stringdata.cz, pbox.cz, stringdata.sk and two more among them.

The name servers ns1.sdserver.cz, ns1.bluetone.cz and ns.bluetone.cz are often found in combination with these name servers.

The hostnames ns2.sdserver.cz, ns3.sdserver.cz and ns.sdserver.cz each resolve to a single IP: ns2.sdserver.cz → 212.158.143.16, ns3.sdserver.cz → 84.244.96.162, ns.sdserver.cz → 212.158.143.10.

Mail Servers

string.cz has one mail server: sdmail2.sdserver.cz.

string.cz and a number of other domains — sdserver.cz, stringdata.sk, stringdata.com and ultimaterpa.com among them — share at least some of the same mail servers.

These mail servers are routinely seen in conjunction with the mail servers sdmail3.sdserver.cz and sdmail.sdserver.cz.

sdmail2.sdserver.cz directs to just one IP number, 212.158.143.88.