studyprograms.cz - dns.ninja

`studyprograms.cz`

DNSSEC	🔒 Signed (DS record present)
A	198.49.23.144^{🇺🇸 SQUARESPACE-1198.49.23.0/24 Squarespace, Inc. 459 Broadway, 5th Floor New York, NY 10013 US}
A	198.49.23.145^{🇺🇸 SQUARESPACE-1198.49.23.0/24 Squarespace, Inc. 459 Broadway, 5th Floor New York, NY 10013 US}
A	198.185.159.144^{🇺🇸 SQUARESPACE-1198.185.159.0/24 Squarespace, Inc. 459 Broadway, 5th Floor New York, NY 10013 US}
A	198.185.159.145^{🇺🇸 SQUARESPACE-1198.185.159.0/24 Squarespace, Inc. 459 Broadway, 5th Floor New York, NY 10013 US}
NS	`ns1.webcloud.cz` ⭐ ⚠️ Not in parent delegation
		A	2a00:1e40:a:53::5^{🇸🇰 IGNUM-AS2a00:1e40:a::/48}
			PTR	`ns1-bra.core.webglobe.com`
		A	185.65.223.35^{🇸🇰 IGNUM-AS185.65.223.0/24}
			PTR	`ns1-bra.core.webglobe.com`
NS	`ns1.ignum.com` ⚠️ Not in zone NS records
		A	2a00:1e40:a:53::5^{🇸🇰 IGNUM-AS2a00:1e40:a::/48}
			PTR	`ns1-bra.core.webglobe.com`
		A	185.65.223.35^{🇸🇰 IGNUM-AS185.65.223.0/24}
			PTR	`ns1-bra.core.webglobe.com`
NS	`ns2.ignum.cz` ⚠️ Not in zone NS records
		A	2001:1ab0:7e1e:2::5^{🇨🇿 IGNUM-AS2001:1ab0::/32 Network of Ignum s.r.o. Czech Republic http://www.ignum.cz/}
			PTR	`ns2-prg.core.webglobe.com`
		A	217.31.48.201^{🇨🇿 IGNUM-AS217.31.48.0/20 Network of Ignum s.r.o. Czech Republic http://www.ignum.cz/}
			PTR	`ns2-prg.core.webglobe.com`
NS	`ns2.webcloud.cz` ⚠️ Not in parent delegation
		A	2001:1ab0:7e1e:2::5^{🇨🇿 IGNUM-AS2001:1ab0::/32 Network of Ignum s.r.o. Czech Republic http://www.ignum.cz/}
			PTR	`ns2-prg.core.webglobe.com`
		A	217.31.48.201^{🇨🇿 IGNUM-AS217.31.48.0/20 Network of Ignum s.r.o. Czech Republic http://www.ignum.cz/}
			PTR	`ns2-prg.core.webglobe.com`
MX	`studyprograms-cz.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca04::8^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db5pr02cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::e^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db8pr02cu00106.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::5^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am1pr04cu00105.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::20^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-as8pr05cu00400.inbound.protection.outlook.com`
		A	52.101.68.16^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db4pr02cu00400.inbound.protection.outlook.com`
		A	52.101.68.18^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db4pr02cu00302.inbound.protection.outlook.com`
		A	52.101.68.29^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-dbapr03cu00105.inbound.protection.outlook.com`
		A	52.101.73.15^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am9pr04cu00107.inbound.protection.outlook.com`
TXT	`MS=ms67866862`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
SOA	`ns1.webcloud.cz`admin@webcloud.cz 2026-07-24 #1

`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=1785982639

Same first word

studyprograms.cz

studyprograms.com

DNS History

15 records (9 active, 6 former)

●NSns1.ignum.com2015-06-16 → 2026-08-06 · 5 obs

● 2015-06-16 07:55:08
○ 2015-11-05 13:47:22
○ 2020-03-05 00:50:16
● 2026-03-25 23:20:20
● 2026-08-06 02:26:10

●NSns1.webcloud.cz2016-01-23 → 2026-08-06 · 3 obs

○ 2015-11-05 13:47:22
● 2016-01-23 10:19:06
● 2026-08-06 02:26:10

●NSns2.ignum.cz2015-06-16 → 2026-08-06 · 5 obs

● 2015-06-16 07:55:08
○ 2015-11-05 13:47:22
○ 2020-03-05 00:50:16
● 2026-03-25 23:20:20
● 2026-08-06 02:26:10

●NSns2.webcloud.cz2016-01-23 → 2026-08-06 · 3 obs

○ 2015-11-05 13:47:22
● 2016-01-23 10:19:06
● 2026-08-06 02:26:10

○MXbaghdad.core.ignum.cz2015-06-16 → 2015-06-16 · 3 obs

● 2015-06-16 07:55:08
○ 2015-11-05 13:47:22
○ 2026-08-06 02:26:10

○MXmx1.webcloud.cz2016-01-23 → 2020-03-05 · 5 obs

○ 2015-11-05 13:47:22
● 2016-01-23 10:19:06
● 2020-03-05 00:50:16
○ 2026-03-25 23:20:20
○ 2026-08-06 02:26:10

○MXmx2.webcloud.cz2016-01-23 → 2020-03-05 · 5 obs

○ 2015-11-05 13:47:22
● 2016-01-23 10:19:06
● 2020-03-05 00:50:16
○ 2026-03-25 23:20:20
○ 2026-08-06 02:26:10

●MXstudyprograms-cz.mail.protection.outlook.com2026-03-25 → 2026-08-06 · 3 obs

○ 2020-03-05 00:50:16
● 2026-03-25 23:20:20
● 2026-08-06 02:26:10

●A198.185.159.1442026-03-25 → 2026-08-06 · 3 obs

○ 2020-03-05 00:50:16
● 2026-03-25 23:20:20
● 2026-08-06 02:26:10

●A198.185.159.1452026-03-25 → 2026-08-06 · 3 obs

○ 2020-03-05 00:50:16
● 2026-03-25 23:20:20
● 2026-08-06 02:26:10

●A198.49.23.1442026-03-25 → 2026-08-06 · 3 obs

○ 2020-03-05 00:50:16
● 2026-03-25 23:20:20
● 2026-08-06 02:26:10

●A198.49.23.1452026-03-25 → 2026-08-06 · 3 obs

○ 2020-03-05 00:50:16
● 2026-03-25 23:20:20
● 2026-08-06 02:26:10

○A2001:1ab0:7e1e:1::252016-01-23 → 2020-03-05 · 5 obs

○ 2015-11-05 13:47:22
● 2016-01-23 10:19:06
● 2020-03-05 00:50:16
○ 2026-03-25 23:20:20
○ 2026-08-06 02:26:10

○A217.31.49.202015-06-16 → 2015-06-16 · 3 obs

● 2015-06-16 07:55:08
○ 2015-11-05 13:47:22
○ 2026-08-06 02:26:10

○A217.31.62.252016-01-23 → 2020-03-05 · 5 obs

○ 2015-11-05 13:47:22
● 2016-01-23 10:19:06
● 2020-03-05 00:50:16
○ 2026-03-25 23:20:20
○ 2026-08-06 02:26:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cz	c.ns.nic.cz, d.ns.nic.cz, a.ns.nic.cz, b.ns.nic.cz	-
studyprograms.cz	ns1.ignum.com, ns2.ignum.cz	2 records

✅ Authoritative Response

Server:217.31.48.201

NS records: ns1.ignum.com, ns2.ignum.cz

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 844ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`198.185.159.144, 198.185.159.145...`
NS	2	`ns2.webcloud.cz, ns1.webcloud.cz`
MX	1	`studyprograms-cz.mail.protection.outlook`
TXT	2	`MS=ms67866862, v=spf1 include:spf.protection.outlook.co`
SOA	1	`ns1.webcloud.cz admin.webcloud.cz`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns2.ignum.cz, ns2.ignum.cz)

Analysis

IP Addresses

studyprograms.cz directs to four IP numbers, which are 198.49.23.144, 198.49.23.145, 198.185.159.144 and 198.185.159.145.

Additional host names — kchesser.com, aeisaudi.com, press-2-impress.com and two others — share IP numbers with studyprograms.cz.

Name Servers

studyprograms.cz has four authoritative name servers: ns1.ignum.com, ns2.ignum.cz, ns1.webcloud.cz and ns2.webcloud.cz.

At least some of studyprograms.cz's name servers are shared with other domains, for example club-honda.eu, istelsro.cz, zeleznaruda.com and two more.

It is common for these name servers to be used in conjunction with the name servers ns1.ignum.eu, ns2.ignum.eu and ns3.ignum.eu.

ns1.ignum.com and ns1.webcloud.cz both point to 185.65.223.35 and 2a00:1e40:a:53::5; ns2.ignum.cz and ns2.webcloud.cz both point to 217.31.48.201 and 2001:1ab0:7e1e:2::5 — all four hostnames (ns1.ignum.com, ns2.ignum.cz, ns1.webcloud.cz and ns2.webcloud.cz) resolve to exactly two IP addresses.

ns1.ignum.com along with ns1.webcloud.cz each resolve to 2a00:1e40:a:53::5 IP addresses.

ns1.ignum.com along with ns1.webcloud.cz each resolve to 185.65.223.35 IP addresses.

ns2.ignum.cz along with ns2.webcloud.cz each resolve to 2001:1ab0:7e1e:2::5 IP addresses.

ns2.ignum.cz along with ns2.webcloud.cz each resolve to 217.31.48.201 IP addresses.

Mail Servers

studyprograms.cz has one mail server: studyprograms-cz.mail.protection.outlook.com.

studyprograms-cz.mail.protection.outlook.com points to 8 IP numbers: 52.101.68.16, 52.101.68.18, 52.101.68.29 and 5 other.