kalvach.com - robtex.com

kalvach.com

DNSSEC⚠️ Not signed
A2001:1528:240::29🇨🇿 CASABLANCA-AS2001:1528::/32 Casablanca INT v6 network
PTRscimitar.blueboard.cz
A217.11.249.145🇨🇿 CASABLANCA-AS217.11.248.0/23 Casablanca INT
NSshinzon.blueboard.cz ⭐
A2a00:1ed0:45::b🇨🇿 VSHOSTING2a00:1ed0::/32
PTRshinzon.blueboard.cz
A178.251.187.7🇨🇿 VSHOSTING178.251.184.0/21
PTRshinzon.blueboard.cz
NSns2.blueboard.cz
A2a01:4f8:13b:8d4::2🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK
A195.201.57.122🇩🇪 Hetzner195.201.0.0/16 HETZNER-DC
PTRns2.blueboard.cz
MXmx.blueboard.cz ⭐
A2001:1528:240::ca🇨🇿 CASABLANCA-AS2001:1528::/32 Casablanca INT v6 network
PTRmx.blueboard.cz
A81.0.209.130🇨🇿 CASABLANCA-AS81.0.208.0/23 Casablanca INT
PTRmx.blueboard.cz
TXTv=spf1 a mx include:spf.blueboard.cz ?all
SOAshinzon.blueboard.czhostmaster@blueboard.cz serial=2023074711

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1774819837

Subdomains

mail.kalvach.com

Same first word

kalvach.com

Similar names

vkalach.ru

DNS History

11 records (5 active, 6 former)

20162017201820192020202120222023202420252026NSns2.blueboard.czshinzon.blueboard.cz1.ns.gigaserver.cz2.ns.gigaserver.cz3.ns.gigaserver.cz4.ns.gigaserver.czMXmx.blueboard.czmail.kalvach.comA2001:1528:240::29217.11.249.14585.118.128.34
○NS1.ns.gigaserver.cz2015-06-04 → 2018-07-16 · 4 obs
● 2015-06-04 06:15:24
● 2018-07-16 16:57:14
○ 2026-03-28 01:30:06
○ 2026-03-29 21:52:46
○NS2.ns.gigaserver.cz2015-06-04 → 2018-07-16 · 4 obs
● 2015-06-04 06:15:24
● 2018-07-16 16:57:14
○ 2026-03-28 01:30:06
○ 2026-03-29 21:52:46
○NS3.ns.gigaserver.cz2015-06-04 → 2018-07-16 · 4 obs
● 2015-06-04 06:15:24
● 2018-07-16 16:57:14
○ 2026-03-28 01:30:06
○ 2026-03-29 21:52:46
○NS4.ns.gigaserver.cz2015-06-04 → 2018-07-16 · 4 obs
● 2015-06-04 06:15:24
● 2018-07-16 16:57:14
○ 2026-03-28 01:30:06
○ 2026-03-29 21:52:46
●NSns2.blueboard.cz2026-03-28 → 2026-03-29 · 3 obs
○ 2018-07-16 16:57:14
● 2026-03-28 01:30:06
● 2026-03-29 21:52:46
●NSshinzon.blueboard.cz2026-03-28 → 2026-03-29 · 3 obs
○ 2018-07-16 16:57:14
● 2026-03-28 01:30:06
● 2026-03-29 21:52:46
○MXmail.kalvach.com2015-06-04 → 2018-07-16 · 4 obs
● 2015-06-04 06:15:24
● 2018-07-16 16:57:14
○ 2026-03-28 01:30:06
○ 2026-03-29 21:52:46
●MXmx.blueboard.cz2026-03-28 → 2026-03-29 · 3 obs
○ 2018-07-16 16:57:14
● 2026-03-28 01:30:06
● 2026-03-29 21:52:46
●A2001:1528:240::292026-03-28 → 2026-03-29 · 3 obs
○ 2018-07-16 16:57:14
● 2026-03-28 01:30:06
● 2026-03-29 21:52:46
●A217.11.249.1452026-03-28 → 2026-03-29 · 3 obs
○ 2018-07-16 16:57:14
● 2026-03-28 01:30:06
● 2026-03-29 21:52:46
○A85.118.128.342015-06-04 → 2018-07-16 · 4 obs
● 2015-06-04 06:15:24
● 2018-07-16 16:57:14
○ 2026-03-28 01:30:06
○ 2026-03-29 21:52:46

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comb.gtld-servers.net, a.gtld-servers.net, k.gtld-servers.net, h.gtld-servers.net...-
kalvach.comshinzon.blueboard.cz, ns2.blueboard.cz-

✅ Authoritative Response

Server:178.251.187.7

NS records: shinzon.blueboard.cz, ns2.blueboard.cz

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for kalvach.com (unsigned zone)

⏱️ Timing

Total: 1237ms | Queries: -

📄 Records

TypeCountSample Data
A1217.11.249.145
AAAA12001:1528:240::29
NS2shinzon.blueboard.cz, ns2.blueboard.cz
MX1mx.blueboard.cz (pri: 10)
TXT1v=spf1 a mx include:spf.blueboard.cz ?al
SOA1shinzon.blueboard.cz hostmaster.blueboar

Analysis

Hierarchy

kalvach.com is the parent of mail.kalvach.com.

IP Addresses

kalvach.com resolves to two IP numbers: 2001:1528:240::29 and 217.11.249.145.

other host names including www.cupdesign.cz, www.mudr-stastna.cz, naka.cz, mailin2.bochnak.art and promotravel.cz share IP numbers with kalvach.com.

Name Servers

kalvach.com is delegated to two name servers ns2.blueboard.cz and shinzon.blueboard.cz.

kalvach.com shares the same name server setup as other domains, for instance nazor24.cz, canthor.cz, widelogic.org, rujzl.cz and pesch.cz.

kalvach.com at least partially shares name servers with other domains, for instance ortec.cz, arttech.cz, expedo.hu, stylprozeny.cz and memento.cz.

These name servers are commonly used alongside jaguar.blueboard.cz and ns2.miniserver.cz.

Host names with two IP numbers:

The host name ns2.blueboard.cz points to 2a01:4f8:13b:8d4::2 and 195.201.57.122; the host name shinzon.blueboard.cz points to 2a00:1ed0:45::b and 178.251.187.7.

Mail Servers

kalvach.com is handled by a single mail server, mx.blueboard.cz.

kalvach.com shares the same mail server setup as other domains, for instance valika.cz, klatovska95.cz, julda.cz, thao.cz and karelrechlik.cz.

mx.blueboard.cz resolves to two IP numbers: 2001:1528:240::ca and 81.0.209.130.