`c3prague.com`

DNSSEC	⚠️ Not signed
A	2a00:4b40:aaaa:2005::5^{🇸🇰 WEBSUPPORT-SRO-SK-AS2a00:4b40::/32}
A	37.9.175.173^{🇸🇰 WEBSUPPORT-SRO-SK-AS37.9.175.0/24}
NS	`ns1.websupport.sk` ⭐
		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.sk`
		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.sk`
		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	`c3prague-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca04::1^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db7pr03cu00401.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::d^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db6pr03cu00105.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am3pr04cu00500.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::f^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am7pr05cu00307.inbound.protection.outlook.com`
		A	52.101.68.32^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db3pr0202cu00200.inbound.protection.outlook.com`
		A	52.101.73.2^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-as9pr07cu00302.inbound.protection.outlook.com`
		A	52.101.73.11^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am1pr04cu00103.inbound.protection.outlook.com`
		A	52.101.73.19^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-as8pr04cu00803.inbound.protection.outlook.com`
MX	`mailin1.c3prague.com`⁽¹⁰⁾
		A	2a00:4b40:aaaa:2101:45:13:137:8^{🇸🇰 WEBSUPPORT-SRO-SK-AS2a00:4b40::/32}
			PTR	`m1-u6-mx.websupport.sk`
		A	45.13.137.8^{🇸🇰 WEBSUPPORT-SRO-SK-AS45.13.137.0/24}
			PTR	`mx20.websupport.at`
MX	`mailin2.c3prague.com`⁽¹⁰⁰⁾
		A	2a00:4b40:aaaa:2101:45:13:137:9^{🇸🇰 WEBSUPPORT-SRO-SK-AS2a00:4b40::/32}
			PTR	`m1-u7-mx.websupport.sk`
		A	45.13.137.9^{🇸🇰 WEBSUPPORT-SRO-SK-AS45.13.137.0/24}
			PTR	`m1-u7-mx.websupport.sk`
TXT	`MS=ms88758506`
TXT	`spf2.0/pra a mx include:_sid.m1.websupport.sk ?all`
TXT	`google-site-verification=ou3TpZkiApgsxHc3Iqpr1iG8GXTGTRu41T8fFQIWKj8`
TXT	`v=spf1 a mx include:spf.protection.outlook.com include:_spf.m1.websupport.sk ...`
SOA	`ns1.websupport.sk`admin@websupport.sk serial=1694354713

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1771291435

Subdomains

mailin1.c3prague.com

mailin2.c3prague.com

Same first word

c3prague.com

DNS History

15 records (8 active, 7 former)

○NSdns1.registrar-servers.com2018-07-19 → 2018-07-19 · 3 obs

● 2018-07-19 06:58:16
○ 2026-02-22 06:12:06
○ 2026-03-19 10:49:18

○NSdns2.registrar-servers.com2018-07-19 → 2018-07-19 · 3 obs

● 2018-07-19 06:58:16
○ 2026-02-22 06:12:06
○ 2026-03-19 10:49:18

●NSns1.websupport.sk2026-02-22 → 2026-03-19 · 3 obs

○ 2018-07-19 06:58:16
● 2026-02-22 06:12:06
● 2026-03-19 10:49:18

●NSns2.websupport.sk2026-02-22 → 2026-03-19 · 3 obs

○ 2018-07-19 06:58:16
● 2026-02-22 06:12:06
● 2026-03-19 10:49:18

●NSns3.websupport.sk2026-02-22 → 2026-03-19 · 3 obs

○ 2018-07-19 06:58:16
● 2026-02-22 06:12:06
● 2026-03-19 10:49:18

●MXc3prague-com.mail.protection.outlook.com2026-02-22 → 2026-03-19 · 3 obs

○ 2018-07-19 06:58:16
● 2026-02-22 06:12:06
● 2026-03-19 10:49:18

○MXeforward1.registrar-servers.com2018-07-19 → 2018-07-19 · 3 obs

● 2018-07-19 06:58:16
○ 2026-02-22 06:12:06
○ 2026-03-19 10:49:18

○MXeforward2.registrar-servers.com2018-07-19 → 2018-07-19 · 3 obs

● 2018-07-19 06:58:16
○ 2026-02-22 06:12:06
○ 2026-03-19 10:49:18

○MXeforward3.registrar-servers.com2018-07-19 → 2018-07-19 · 3 obs

● 2018-07-19 06:58:16
○ 2026-02-22 06:12:06
○ 2026-03-19 10:49:18

○MXeforward4.registrar-servers.com2018-07-19 → 2018-07-19 · 3 obs

● 2018-07-19 06:58:16
○ 2026-02-22 06:12:06
○ 2026-03-19 10:49:18

○MXeforward5.registrar-servers.com2018-07-19 → 2018-07-19 · 3 obs

● 2018-07-19 06:58:16
○ 2026-02-22 06:12:06
○ 2026-03-19 10:49:18

●MXmailin1.c3prague.com2026-02-22 → 2026-03-19 · 3 obs

○ 2018-07-19 06:58:16
● 2026-02-22 06:12:06
● 2026-03-19 10:49:18

●MXmailin2.c3prague.com2026-02-22 → 2026-03-19 · 3 obs

○ 2018-07-19 06:58:16
● 2026-02-22 06:12:06
● 2026-03-19 10:49:18

●A2a00:4b40:aaaa:2005::52026-02-22 → 2026-03-19 · 2 obs

● 2026-02-22 06:12:06
● 2026-03-19 10:49:18

●A37.9.175.1732026-02-22 → 2026-03-19 · 2 obs

● 2026-02-22 06:12:06
● 2026-03-19 10:49:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	j.gtld-servers.net, m.gtld-servers.net, i.gtld-servers.net, c.gtld-servers.net...	-
c3prague.com	ns1.websupport.sk, ns2.websupport.sk, ns3.websupport.sk	-

✅ Authoritative Response

Server: 45.10.97.13

NS records: ns1.websupport.sk, ns2.websupport.sk, ns3.websupport.sk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for c3prague.com (unsigned zone)

⏱️ Timing

Total: 384ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`37.9.175.173`
AAAA	1	`2a00:4b40:aaaa:2005::5`
NS	3	`ns1.websupport.sk, ns2.websupport.sk...`
MX	3	`c3prague-com.mail.protection.outlook.com, mailin1.c3prague.com (pri: 10)...`
TXT	4	`MS=ms88758506, spf2.0/pra a mx include:_sid.m1.websuppo...`
SOA	1	`ns1.websupport.sk admin.websupport.sk`

Analysis

Hierarchy

c3prague.com is parent of mailin1.c3prague.com and mailin2.c3prague.com.

IP Addresses

c3prague.com points to two IP numbers: 2a00:4b40:aaaa:2005::5 and 37.9.175.173.

Other host names, for instance www.park.cz, sochurek.com, kamilakubikova.com, pureco.cz and danu.eu share IP numbers with c3prague.com.

Name Servers

c3prague.com is delegated to three name servers: ns1.websupport.sk, ns2.websupport.sk and ns3.websupport.sk.

c3prague.com at least partially shares its name servers with other domains, for instance staywell.sk, bzlh.sk, maros.sk, kst.sk and sokrates-farby.sk.