`institutodont.com`

DNSSEC	⚠️ Not signed
A	82.223.222.216^{🇪🇸 IONOS-AS82.223.0.0/16 arsys.es}
		PTR	`server.ladinamo.biz`
NS	`dns1.nominalia.com` ⭐
		A	2a01:8100:2911::2:184:3^{🇮🇹 REGISTER-AS2a01:8100:2000::/36}
		A	81.88.61.3^{🇮🇹 REGISTER-AS81.88.48.0/20 Register.IT S.p.A. prefix}
			PTR	`host-81-88-61-3.dedicatedservers.it`
NS	`dns2.nominalia.com`
		A	81.88.63.48^{🇮🇹 REGISTER-AS81.88.63.0/24 Register.IT S.p.A. prefix}
			PTR	`dns2.nominalia.com`
MX	`mail.institutodont.com` ⭐
		A	185.110.66.3^{🇪🇸 REGISTER-AS185.110.66.0/24}
			PTR	`021.gestiondealojamiento.com`
TXT	`v=spf1 include:spf.webapps.net a mx ip4:82.223.222.216 ~all`
SOA	`dns1.nominalia.com`root@dns1.nominalia.com serial=1742809859

`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=1778677441

Subdomains

mail.institutodont.com

Same first word

institutodont.com

DNS History

10 records (4 active, 6 former)

●NSdns1.nominalia.com2026-02-17 → 2026-05-13 · 3 obs

○ 2019-01-10 20:38:50
● 2026-02-17 20:42:26
● 2026-05-13 13:28:30

○NSdns1.zonadns.com2015-07-25 → 2019-01-10 · 4 obs

● 2015-07-25 21:08:14
● 2019-01-10 20:38:50
○ 2026-02-17 20:42:26
○ 2026-05-13 13:28:30

●NSdns2.nominalia.com2026-02-17 → 2026-05-13 · 3 obs

○ 2019-01-10 20:38:50
● 2026-02-17 20:42:26
● 2026-05-13 13:28:30

○NSdns2.zonadns.com2015-07-25 → 2019-01-10 · 4 obs

● 2015-07-25 21:08:14
● 2019-01-10 20:38:50
○ 2026-02-17 20:42:26
○ 2026-05-13 13:28:30

○NSdns3.zonadns.com2015-07-25 → 2019-01-10 · 4 obs

● 2015-07-25 21:08:14
● 2019-01-10 20:38:50
○ 2026-02-17 20:42:26
○ 2026-05-13 13:28:30

●MXmail.institutodont.com2015-07-25 → 2026-05-13 · 2 obs

● 2015-07-25 21:08:14
● 2026-05-13 13:28:30

○A193.42.143.1792015-12-21 → 2017-01-01 · 5 obs

○ 2015-07-25 21:08:14
● 2015-12-21 02:53:16
● 2017-01-01 01:37:22
○ 2019-01-10 20:38:50
○ 2026-05-13 13:28:30

○A193.42.143.452015-07-25 → 2015-07-25 · 3 obs

● 2015-07-25 21:08:14
○ 2015-12-21 02:53:16
○ 2026-05-13 13:28:30

○A5.56.63.812019-01-10 → 2019-01-10 · 4 obs

○ 2017-01-01 01:37:22
● 2019-01-10 20:38:50
○ 2026-02-17 20:42:26
○ 2026-05-13 13:28:30

●A82.223.222.2162026-02-17 → 2026-05-13 · 3 obs

○ 2019-01-10 20:38:50
● 2026-02-17 20:42:26
● 2026-05-13 13:28:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	m.gtld-servers.net, g.gtld-servers.net, c.gtld-servers.net, e.gtld-servers.net...	-
institutodont.com	dns1.nominalia.com, dns2.nominalia.com	2 records

✅ Authoritative Response

Server:81.88.63.48

NS records: dns1.nominalia.com, dns2.nominalia.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for institutodont.com (unsigned zone)

⏱️ Timing

Total: 619ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`82.223.222.216`
NS	2	`dns1.nominalia.com, dns2.nominalia.com`
MX	1	`mail.institutodont.com (pri: 10)`
TXT	1	`v=spf1 include:spf.webapps.net a mx ip4:`
SOA	1	`dns1.nominalia.com root.dns1.nominalia.c`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (dns1.nominalia.com, dns2.nominalia.com)

Analysis

Hierarchy

institutodont.com is the parent of mail.institutodont.com.

IP Addresses

institutodont.com points to a single IP number: 82.223.222.216.

other host names for instance ladinamo.biz, anguianoblanco.com, ns2.ladinamo.biz, server.ladinamo.biz and ladinamo.com share IP numbers with institutodont.com.

Name Servers

institutodont.com is delegated to two name servers: dns1.nominalia.com and dns2.nominalia.com.

institutodont.com shares the same name server setup as other domains, for example videorutas.es, drsport.es, velvint.com, menfisconsultores.com and recticur.es.

Host names with two IP numbers: dns1.nominalia.com points to 2a01:8100:2911::2:184:3 and 81.88.61.3.

Host names with one IP number: dns2.nominalia.com points to 81.88.63.48.

Mail Servers

institutodont.com is handled by a single mail server, mail.institutodont.com.

Host name mail.institutodont.com points to IP address 185.110.66.3.

institutodont.com - robtex.com