crossmasters.com - dns.ninja

`crossmasters.com`

DNSSEC	⚠️ Not signed
A	13.69.68.41^{🇳🇱 Microsoft13.64.0.0/11 MICROSOFT}
NS	`ns2.web4u.cz` ⭐
		A	2a02:a40:100:28ff::12^{🇨🇿 BlueTone-AS2a02:a40::/32 Ceske Radiokomunikace, a.s.}
			PTR	`ns2.web4u.cz`
		A	85.207.53.12^{🇨🇿 BlueTone-AS85.207.0.0/16 BlueTone-CRa-CZ Fourth address block}
			PTR	`ns2.web4u.cz`
NS	`ns.web4u.cz`
		A	2001:1568:fd::241^{🇨🇿 WEB4U2001:1568::/33}
			PTR	`ns.web4u.cz`
		A	185.14.224.241^{🇨🇿 WEB4U185.14.224.0/23}
			PTR	`ns.web4u.cz`
MX	`crossmasters-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca04::6^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db4pr02cu00406.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::6^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am4pr0401cu00106.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::f^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am7pr05cu00307.inbound.protection.outlook.com`
		A	52.101.68.21^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db4pr02cu00205.inbound.protection.outlook.com`
		A	52.101.68.29^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-dbapr03cu00105.inbound.protection.outlook.com`
		A	52.101.73.2^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-as9pr07cu00302.inbound.protection.outlook.com`
		A	52.101.73.30^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am7pr05cu00306.inbound.protection.outlook.com`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
TXT	`openai-domain-verification=dv-0yTm7RHAxD04rHrEDxD4RYGG`
TXT	`google-site-verification=ndeeBI0Y8NRQgsSJNH3gX_rB9_0YLkco0DnpVxaxwN0`
SOA	`ns.web4u.cz`admin@web4u.cz 2026-07-22 #0

`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=1786580304

Same first word

crossmasters.com

crossmasters.de

Similar names

masterscross.com

crossstreams.com

DNS History

7 records (4 active, 3 former)

●NSns.web4u.cz2020-04-04 → 2026-08-13 · 3 obs

○ 2016-11-29 20:49:36
● 2020-04-04 12:26:42
● 2026-08-13 00:40:36

○NSns1.ignum.com2015-06-06 → 2016-11-29 · 4 obs

● 2015-06-06 02:12:00
● 2016-11-29 20:49:36
○ 2020-04-04 12:26:42
○ 2026-08-13 00:40:36

○NSns2.ignum.cz2015-06-06 → 2016-11-29 · 4 obs

● 2015-06-06 02:12:00
● 2016-11-29 20:49:36
○ 2020-04-04 12:26:42
○ 2026-08-13 00:40:36

●NSns2.web4u.cz2020-04-04 → 2026-08-13 · 3 obs

○ 2016-11-29 20:49:36
● 2020-04-04 12:26:42
● 2026-08-13 00:40:36

●MXcrossmasters-com.mail.protection.outlook.com2015-06-06 → 2026-08-13 · 2 obs

● 2015-06-06 02:12:00
● 2026-08-13 00:40:36

○A104.46.37.2372015-06-06 → 2020-04-04 · 4 obs

● 2015-06-06 02:12:00
● 2020-04-04 12:26:42
○ 2026-03-20 19:12:50
○ 2026-08-13 00:40:36

●A13.69.68.412026-03-20 → 2026-08-13 · 3 obs

○ 2020-04-04 12:26:42
● 2026-03-20 19:12:50
● 2026-08-13 00:40:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
crossmasters.com	ns.web4u.cz, ns2.web4u.cz	-

✅ Authoritative Response

Server:85.207.53.12

NS records: ns.web4u.cz, ns2.web4u.cz

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for crossmasters.com (unsigned zone)

⏱️ Timing

Total: 740ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`13.69.68.41`
NS	2	`ns.web4u.cz, ns2.web4u.cz`
MX	1	`crossmasters-com.mail.protection.outlook`
TXT	3	`v=spf1 include:spf.protection.outlook.co, openai-domain-verification=dv-0yTm7RHAxD...`
SOA	1	`ns.web4u.cz admin.web4u.cz`

Analysis

IP Addresses

crossmasters.com directs to one IP number, which is 13.69.68.41.

Among the host names that share IP numbers with crossmasters.com are fardigbetong.se, gioielleriasoma.com, kpmglink.se and two others.

Name Servers

DNS delegation for crossmasters.com points to two name servers: ns2.web4u.cz and ns.web4u.cz.

crossmasters.com has the same name server delegation as a number of other domains, such as usler.cz, moysidis.com, punkt-musicinfinity.cz and two more.

ns2.web4u.cz directs to 85.207.53.12 and 2a02:a40:100:28ff::12. ns.web4u.cz directs to 185.14.224.241 and 2001:1568:fd::241. Each host name carries two IP addresses.

Mail Servers

crossmasters.com routes its mail through a single mail server, crossmasters-com.mail.protection.outlook.com.

crossmasters-com.mail.protection.outlook.com directs to 8 IP numbers, including 52.101.68.21, 52.101.68.29 and 52.101.73.2, along with 5 other.