`icguniversity.com`

DNSSEC	⚠️ Not signed
A	213.99.41.111^{🇪🇸 Telefonica_de_EspaNa213.99.0.0/16 TDENET (Red de servicios IP)}
		PTR	`formacion.icguniversity.com`
NS	`server.ricomack.com` ⭐
NS	`dns1.ricomack.com`
		A	213.99.41.3^{🇪🇸 Telefonica_de_EspaNa213.99.0.0/16 TDENET (Red de servicios IP)}
			PTR	`dns1.ricomack.com`
NS	`dns2.ricomack.com`
		A	91.126.76.102^{🇪🇸 ADAMOEU-AS91.126.76.0/24 Adamo Telecom Iberia S.A Catalonia, Spain}
			PTR	`dns2.ricomack.com`
NS	`dns3.ricomack.com`
		A	51.38.121.241^{🇫🇷 OVH51.38.0.0/16}
			PTR	`dns3.ricomack.com`
MX	`mail.icguniversity.com` ⭐
TXT	`v=spf1 mx ip4:213.99.41.19 ~all`
TXT	`google-site-verification=dIKbqqf8jkReYJjv5bxBqqn4oPCUtlbV2hdT4YjYbeI`
SOA	`server.ricomack.com`admin@ricomack.com serial=89

`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=1774578782

Subdomains

mail.icguniversity.com

formacion.icguniversity.com

newtraining.icguniversity.com

Same first word

icguniversity.com

DNS History

7 records (6 active, 1 former)

●NSdns1.ricomack.com2016-12-16 → 2026-03-27 · 2 obs

● 2016-12-16 10:03:00
● 2026-03-27 02:38:12

●NSdns2.ricomack.com2016-12-16 → 2026-03-27 · 2 obs

● 2016-12-16 10:03:00
● 2026-03-27 02:38:12

●NSdns3.ricomack.com2026-02-15 → 2026-03-27 · 3 obs

○ 2016-12-16 10:03:00
● 2026-02-15 05:07:06
● 2026-03-27 02:38:12

●NSserver.ricomack.com2016-12-16 → 2026-03-27 · 2 obs

● 2016-12-16 10:03:00
● 2026-03-27 02:38:12

●MXmail.icguniversity.com2016-12-16 → 2026-03-27 · 2 obs

● 2016-12-16 10:03:00
● 2026-03-27 02:38:12

●A213.99.41.1112026-02-15 → 2026-03-27 · 3 obs

○ 2017-07-07 21:47:34
● 2026-02-15 05:07:06
● 2026-03-27 02:38:12

○A213.99.41.2512016-12-16 → 2017-07-07 · 4 obs

● 2016-12-16 10:03:00
● 2017-07-07 21:47:34
○ 2026-02-15 05:07:06
○ 2026-03-27 02:38:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
icguniversity.com	dns1.ricomack.com, dns2.ricomack.com, dns3.ricomack.com	3 records

✅ Authoritative Response

Server:51.38.121.241

NS records: dns1.ricomack.com, dns2.ricomack.com, dns3.ricomack.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for icguniversity.com (unsigned zone)

⏱️ Timing

Total: 253ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`213.99.41.111`
NS	3	`dns2.ricomack.com, dns1.ricomack.com...`
MX	1	`mail.icguniversity.com (pri: 10)`
TXT	2	`google-site-verification=dIKbqqf8jkReYJ, v=spf1 mx ip4:213.99.41.19 ~all`
SOA	1	`server.ricomack.com admin.ricomack.com`

📌 Glue Records Collected

Total: 3

Out-of-bailiwick: 3 (dns1.ricomack.com, dns2.ricomack.com, dns3.ricomack.com)

Analysis

Hierarchy

icguniversity.com is parent of mail.icguniversity.com, formacion.icguniversity.com and newtraining.icguniversity.com.

IP Addresses

icguniversity.com points to a single IP: 213.99.41.111.

Other host names, for instance formacion.icguniversity.com, share IP numbers with icguniversity.com.

Name Servers

icguniversity.com is delegated to four name servers: dns1.ricomack.com, dns2.ricomack.com, dns3.ricomack.com and server.ricomack.com.

icguniversity.com at least partially shares its name servers with other domains, for instance icg.es, hiopos.es, hiopos.ro, hiopos.com and lacajaquesiemprecuadra.com.

These name servers are commonly used alongside server and dns1.

Host names with one IP number:

dns1.ricomack.com points to: 213.99.41.3.

dns2.ricomack.com points to: 91.126.76.102.

dns3.ricomack.com points to: 51.38.121.241.

Mail Servers

icguniversity.com is served by a single mail server, mail.icguniversity.com.

icguniversity.com - robtex.com