`bcorchestra.cz`

DNSSEC	🔒 Signed (DS record present)
A	2a00:4b40:aaaa:2005::6^{🇸🇰 WEBSUPPORT-SRO-SK-AS2a00:4b40::/32}
A	37.9.175.165^{🇸🇰 WEBSUPPORT-SRO-SK-AS37.9.175.0/24}
NS	`ns1.websupport.cz` ⭐
		A	2a10:bbc0::11^{🇨🇿 ACTIVE24-AS2a10:bbc0::/32}
			PTR	`ns1.websupport.eu`
		A	45.10.97.11^{🇨🇿 ACTIVE24-AS45.10.97.0/24}
			PTR	`ns1.websupport.eu`
NS	`ns2.websupport.cz`
		A	2a02:250:3::12^{🇸🇪 ACTIVE24-AS2a02:250:3::/48}
			PTR	`ns2.websupport.eu`
		A	185.71.159.12^{🇸🇪 ACTIVE24-AS185.71.159.0/24}
			PTR	`ns2.websupport.eu`
NS	`ns3.websupport.eu`
		A	2a10:bbc0::13^{🇨🇿 ACTIVE24-AS2a10:bbc0::/32}
			PTR	`ns3.websupport.eu`
		A	45.10.97.13^{🇨🇿 ACTIVE24-AS45.10.97.0/24}
			PTR	`ns3.websupport.eu`
MX	`mailin1.bcorchestra.cz` ⭐
		A	2a00:4b40:aaaa:2101:45:13:137:9^{🇸🇰 WEBSUPPORT-SRO-SK-AS2a00:4b40::/32}
			PTR	`m1-u7-mx.websupport.sk`
		A	45.13.137.114^{🇸🇰 WEBSUPPORT-SRO-SK-AS45.13.137.0/24}
			PTR	`m1-u7-mx.websupport.hu`
MX	`mailin2.bcorchestra.cz`⁽¹⁰⁰⁾
		A	2a00:4b40:aaaa:2101:45:13:137:109^{🇸🇰 WEBSUPPORT-SRO-SK-AS2a00:4b40::/32}
			PTR	`mx20.websupport.sk`
		A	45.13.137.104^{🇸🇰 WEBSUPPORT-SRO-SK-AS45.13.137.0/24}
			PTR	`m1-u6-mx.websupport.cz`
TXT	`v=spf1 include:spf.active24.com ip4:31.15:10.131 include:_spf.m1.websupport.s...`
SOA	`ns1.websupport.cz`admin@websupport.cz serial=1720909122

`cz`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.ns.nic.cz` ⭐
	NS	`b.ns.nic.cz`
	NS	`c.ns.nic.cz`
	NS	`d.ns.nic.cz`
	SOA	`a.ns.nic.cz`hostmaster@nic.cz serial=1776077253

Subdomains

mail.bcorchestra.cz

Same first word

bcorchestra.org

DNS History

11 records (7 active, 4 former)

○NSdns1.hosting51.eu2015-08-21 → 2019-03-25 · 3 obs

● 2015-08-21 01:27:00
● 2019-03-25 02:32:02
○ 2026-04-13 11:01:44

○NSdns2.hosting51.eu2015-08-21 → 2019-03-25 · 3 obs

● 2015-08-21 01:27:00
● 2019-03-25 02:32:02
○ 2026-04-13 11:01:44

●NSns1.websupport.cz2026-04-13 → 2026-04-13 · 2 obs

○ 2019-03-25 02:32:02
● 2026-04-13 11:01:44

●NSns2.websupport.cz2026-04-13 → 2026-04-13 · 2 obs

○ 2019-03-25 02:32:02
● 2026-04-13 11:01:44

●NSns3.websupport.eu2026-04-13 → 2026-04-13 · 2 obs

○ 2019-03-25 02:32:02
● 2026-04-13 11:01:44

○MXmail.bcorchestra.cz2015-08-21 → 2019-03-25 · 3 obs

● 2015-08-21 01:27:00
● 2019-03-25 02:32:02
○ 2026-04-13 11:01:44

●MXmailin1.bcorchestra.cz2026-04-13 → 2026-04-13 · 2 obs

○ 2019-03-25 02:32:02
● 2026-04-13 11:01:44

●MXmailin2.bcorchestra.cz2026-04-13 → 2026-04-13 · 2 obs

○ 2019-03-25 02:32:02
● 2026-04-13 11:01:44

●A2a00:4b40:aaaa:2005::62026-04-13 → 2026-04-13 · 2 obs

○ 2019-03-25 02:32:02
● 2026-04-13 11:01:44

●A37.9.175.1652026-04-13 → 2026-04-13 · 2 obs

○ 2019-03-25 02:32:02
● 2026-04-13 11:01:44

○A46.234.99.1542015-08-21 → 2019-03-25 · 3 obs

● 2015-08-21 01:27:00
● 2019-03-25 02:32:02
○ 2026-04-13 11:01:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cz	a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz	-
bcorchestra.cz	ns1.websupport.cz, ns2.websupport.cz, ns3.websupport.eu	-

✅ Authoritative Response

Server:45.10.97.11

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

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 766ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`37.9.175.165`
AAAA	1	`2a00:4b40:aaaa:2005::6`
NS	3	`ns1.websupport.cz, ns2.websupport.cz...`
MX	2	`mailin1.bcorchestra.cz (pri: 10), mailin2.bcorchestra.cz (pri: 100)`
TXT	1	`v=spf1 include:spf.active24.com ip4:31.1`
SOA	1	`ns1.websupport.cz admin.websupport.cz`

Analysis

Hierarchy

The parent of mail.bcorchestra.cz is bcorchestra.cz.

IP Addresses

bcorchestra.cz resolves to two IP numbers: 2a00:4b40:aaaa:2005::6 and 37.9.175.165.

Other host names, for instance mixpol.cz, prospon.biz, kaegi.nl, goldenoffice.cz and piezoceram.eu share IP numbers with bcorchestra.cz.

Name Servers

bcorchestra.cz is delegated to three name servers: ns1.websupport.cz, ns2.websupport.cz and ns3.websupport.eu.

bcorchestra.cz partially shares name servers with other domains; examples include klinovecapartmany.cz, gramvousa.eu, pro8.cz, myenergis.jp and autoveterany.cz.