progresin.cz - dns.ninja

`progresin.cz`

DNSSEC	🔒 Signed (DS record present)
A	2a01:430:229::36:177^{🇨🇿 MASTER-AS2a01:430::/32 MASTER-IPV6-1-MAI-CZ}
A	178.238.36.177^{🇨🇿 MASTER-AS178.238.32.0/20 CZ-MASTER-20100712}
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	`mx1.postovniserver.cz` ⭐
		A	2001:41d0:602:e97:1000:0:153:84^{🇫🇷 OVH2001:41d0::/32 IPv6}
			PTR	`mx1.postovniserver.cz`
		A	51.83.153.84^{🇫🇷 OVH51.83.0.0/16}
			PTR	`mx1.postovniserver.cz`
MX	`mx2.postovniserver.cz`⁽²⁰⁾
		A	2a01:6400:100d:1ec::104^{🇨🇿 WIA-AS2a01:6400::/32 WIA spol. s r.o. Prague, Czech Republic}
		A	82.208.31.205^{🇨🇿 WIA-AS82.208.30.0/23 CASA to WIA transfer}
			PTR	`82-208-31-205.wia.cz`
TXT	`v=spf1 mx include:_spf.postovniserver.cz ~all`
SOA	`ns1.websupport.cz`admin@websupport.sk serial=1696886773

`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=1782836237

Same first word

progresin.cz

progresin.com

Similar names

DNS History

13 records (7 active, 6 former)

○NSalfa.ns.active24.cz2015-08-04 → 2017-04-19 · 4 obs

● 2015-08-04 12:58:50
● 2017-04-19 17:30:36
○ 2026-02-25 14:57:34
○ 2026-06-30 17:01:34

○NSbeta.ns.active24.cz2015-08-04 → 2017-04-19 · 4 obs

● 2015-08-04 12:58:50
● 2017-04-19 17:30:36
○ 2026-02-25 14:57:34
○ 2026-06-30 17:01:34

○NSgama.ns.active24.sk2015-08-04 → 2017-04-19 · 4 obs

● 2015-08-04 12:58:50
● 2017-04-19 17:30:36
○ 2026-02-25 14:57:34
○ 2026-06-30 17:01:34

●NSns1.websupport.cz2026-02-25 → 2026-06-30 · 3 obs

○ 2017-04-19 17:30:36
● 2026-02-25 14:57:34
● 2026-06-30 17:01:34

●NSns2.websupport.cz2026-02-25 → 2026-06-30 · 3 obs

○ 2017-04-19 17:30:36
● 2026-02-25 14:57:34
● 2026-06-30 17:01:34

●NSns3.websupport.eu2026-02-25 → 2026-06-30 · 3 obs

○ 2017-04-19 17:30:36
● 2026-02-25 14:57:34
● 2026-06-30 17:01:34

○MXmail.postovniserver.cz2015-08-04 → 2017-04-19 · 4 obs

● 2015-08-04 12:58:50
● 2017-04-19 17:30:36
○ 2026-02-25 14:57:34
○ 2026-06-30 17:01:34

●MXmx1.postovniserver.cz2026-02-25 → 2026-06-30 · 3 obs

○ 2017-04-19 17:30:36
● 2026-02-25 14:57:34
● 2026-06-30 17:01:34

●MXmx2.postovniserver.cz2026-02-25 → 2026-06-30 · 3 obs

○ 2017-04-19 17:30:36
● 2026-02-25 14:57:34
● 2026-06-30 17:01:34

○MXrobinzon.postovniserver.cz2015-08-04 → 2017-04-19 · 4 obs

● 2015-08-04 12:58:50
● 2017-04-19 17:30:36
○ 2026-02-25 14:57:34
○ 2026-06-30 17:01:34

●A178.238.36.1772015-08-04 → 2026-06-30 · 2 obs

● 2015-08-04 12:58:50
● 2026-06-30 17:01:34

●A2a01:430:229::36:1772026-02-25 → 2026-06-30 · 3 obs

○ 2017-04-19 17:30:36
● 2026-02-25 14:57:34
● 2026-06-30 17:01:34

○A2a01:430:229:0:177:36:238:1782017-04-19 → 2017-04-19 · 4 obs

○ 2015-08-04 12:58:50
● 2017-04-19 17:30:36
○ 2026-02-25 14:57:34
○ 2026-06-30 17:01:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cz	a.ns.nic.cz, c.ns.nic.cz, b.ns.nic.cz, d.ns.nic.cz	-
progresin.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: 1541ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`178.238.36.177`
AAAA	1	`2a01:430:229::36:177`
NS	3	`ns1.websupport.cz, ns2.websupport.cz...`
MX	2	`mx1.postovniserver.cz (pri: 10), mx2.postovniserver.cz (pri: 20)`
TXT	1	`v=spf1 mx include:_spf.postovniserver.cz`
SOA	1	`ns1.websupport.cz admin.websupport.sk`

Analysis

IP Addresses

progresin.cz resolves to the IP addresses 178.238.36.177 and 2a01:430:229::36:177

progresin.cz shares its IP numbers with other host names, including vamos.cz, sinux.cz, sinorg.cz and 178-238-36-177.static.masterinter.net.

Name Servers

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

progresin.cz shares at least some of its name servers with other domains, including pixpi.de, apron.cloud, brandeisclinic.cz and two others.

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

Mail for progresin.cz is handled by two mail servers — mx1.postovniserver.cz and mx2.postovniserver.cz.

progresin.cz uses an identical mail server configuration to several other domains — among them sinux.cloud, sinsite.eu, sinorg.eu and two more.

mx1.postovniserver.cz resolves to 51.83.153.84 and 2001:41d0:602:e97:1000:0:153:84. Likewise, mx2.postovniserver.cz resolves to 82.208.31.205 and 2a01:6400:100d:1ec::104 — two IP addresses apiece.