`institutoptico.pt`

DNSSEC	⚠️ Not signed
A	213.63.238.206^{🇵🇹 ArTelecomPT213.63.128.0/17 Ar Telecom, Acessos e Redes Telecomunicacoes. S.A.}
NS	`ns27.domaincontrol.com` ⭐ ⚠️ Not in parent delegation
		A	2603:5:2171::e^{🇺🇸 GODADDY-DNS2603:5:2170::/44}
			PTR	`ns27.domaincontrol.com`
		A	97.74.103.14^{🇺🇸 GODADDY-DNS97.74.102.0/23}
			PTR	`ns27.domaincontrol.com`
NS	`ns28.domaincontrol.com` ⚠️ Not in parent delegation
		A	2603:5:2271::e^{🇺🇸 GODADDY-DNS2603:5:2270::/44}
			PTR	`ns28.domaincontrol.com`
		A	173.201.71.14^{🇺🇸 GODADDY-DNS173.201.70.0/23}
			PTR	`ns28.domaincontrol.com`
NS	`pdns05.domaincontrol.com` ⚠️ Not in zone NS records
		A	2603:5:21e1::34^{🇺🇸 GODADDY-DNS2603:5:21e0::/44}
			PTR	`pdns05.domaincontrol.com`
		A	97.74.110.52^{🇺🇸 GODADDY-DNS97.74.110.0/23}
			PTR	`pdns05.domaincontrol.com`
NS	`pdns06.domaincontrol.com` ⚠️ Not in zone NS records
		A	2603:5:22e1::34^{🇺🇸 GODADDY-DNS2603:5:22e0::/44}
			PTR	`pdns06.domaincontrol.com`
		A	173.201.78.52^{🇺🇸 GODADDY-DNS173.201.78.0/23}
			PTR	`pdns06.domaincontrol.com`
MX	`institutoptico-pt.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::5^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db3pr0202cu00205.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::7^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db4pr02cu00307.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::4^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am0pr04cu00504.inbound.protection.outlook.com`
		A	52.101.68.3^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db7pr03cu00403.inbound.protection.outlook.com`
		A	52.101.68.12^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db9pr02cu00204.inbound.protection.outlook.com`
		A	52.101.68.16^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db4pr02cu00400.inbound.protection.outlook.com`
		A	52.101.68.21^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db4pr02cu00205.inbound.protection.outlook.com`
TXT	`_globalsign-domain-verification=jtUxugBps-A4w0yCn_mvk2VPNBJYZnOEdeE113HU12`
TXT	`v=spf1 include:einvoice.yetspace.com include:spf.protection.outlook.com inclu...`
TXT	`12ftoc3gie9smloaiputpd6ads`
TXT	`MS=ms63880846`
SOA	`ns27.domaincontrol.com`dns@jomax.net 2026-03-20 #0

`pt`

	DNSSEC	🔒 Signed (DS record present)
	NS	`curiosity.dns.pt` ⭐
	NS	`a.dns.pt`
	NS	`b.dns.pt`
	NS	`c.dns.pt`
	NS	`d.dns.pt`
	NS	`e.dns.pt`
	NS	`g.dns.pt`
	NS	`h.dns.pt`
	NS	`ns.dns.br` ⚠️ Not in parent delegation
	NS	`ns2.nic.fr` ⚠️ Not in parent delegation
	SOA	`curiosity.dns.pt`request@dns.pt 2026-04-12 #6

Subdomains

mail.institutoptico.pt

Same first word

institutoptico.pt

DNS History

14 records (6 active, 8 former)

○NSdns1.ibername.com2015-05-19 → 2015-05-19 · 3 obs

● 2015-05-19 07:13:48
○ 2015-10-15 04:33:18
○ 2026-04-12 02:51:38

○NSdns2.ibername.com2015-05-19 → 2015-05-19 · 3 obs

● 2015-05-19 07:13:48
○ 2015-10-15 04:33:18
○ 2026-04-12 02:51:38

○NSns1.globaz.net2015-10-15 → 2017-06-15 · 5 obs

○ 2015-05-19 07:13:48
● 2015-10-15 04:33:18
● 2017-06-15 21:21:56
○ 2026-04-03 23:43:44
○ 2026-04-12 02:51:38

○NSns2.globaz.net2015-10-15 → 2017-06-15 · 5 obs

○ 2015-05-19 07:13:48
● 2015-10-15 04:33:18
● 2017-06-15 21:21:56
○ 2026-04-03 23:43:44
○ 2026-04-12 02:51:38

●NSns27.domaincontrol.com2026-04-03 → 2026-04-12 · 3 obs

○ 2017-06-15 21:21:56
● 2026-04-03 23:43:44
● 2026-04-12 02:51:38

●NSns28.domaincontrol.com2026-04-03 → 2026-04-12 · 3 obs

○ 2017-06-15 21:21:56
● 2026-04-03 23:43:44
● 2026-04-12 02:51:38

●NSpdns05.domaincontrol.com2026-04-03 → 2026-04-12 · 3 obs

○ 2017-06-15 21:21:56
● 2026-04-03 23:43:44
● 2026-04-12 02:51:38

●NSpdns06.domaincontrol.com2026-04-03 → 2026-04-12 · 3 obs

○ 2017-06-15 21:21:56
● 2026-04-03 23:43:44
● 2026-04-12 02:51:38

●MXinstitutoptico-pt.mail.protection.outlook.com2026-04-03 → 2026-04-12 · 3 obs

○ 2017-06-15 21:21:56
● 2026-04-03 23:43:44
● 2026-04-12 02:51:38

○MXmail1.platerit.pt2015-05-19 → 2017-06-15 · 4 obs

● 2015-05-19 07:13:48
● 2017-06-15 21:21:56
○ 2026-04-03 23:43:44
○ 2026-04-12 02:51:38

○MXmail2.platerit.pt2015-05-19 → 2017-06-15 · 4 obs

● 2015-05-19 07:13:48
● 2017-06-15 21:21:56
○ 2026-04-03 23:43:44
○ 2026-04-12 02:51:38

○A188.93.230.1432015-05-19 → 2015-05-19 · 3 obs

● 2015-05-19 07:13:48
○ 2015-10-15 04:33:18
○ 2026-04-12 02:51:38

●A213.63.238.2062026-04-03 → 2026-04-12 · 3 obs

○ 2017-06-15 21:21:56
● 2026-04-03 23:43:44
● 2026-04-12 02:51:38

○A62.4.15.1202015-10-15 → 2017-06-15 · 5 obs

○ 2015-05-19 07:13:48
● 2015-10-15 04:33:18
● 2017-06-15 21:21:56
○ 2026-04-03 23:43:44
○ 2026-04-12 02:51:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
pt	c.dns.pt, e.dns.pt, b.dns.pt, ns2.nic.fr...	18 records
institutoptico.pt	pdns06.domaincontrol.com, pdns05.domaincontrol.com	-

✅ Authoritative Response

Server:173.201.78.52

NS records: pdns06.domaincontrol.com, pdns05.domaincontrol.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for institutoptico.pt (unsigned zone)

⏱️ Timing

Total: 428ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`213.63.238.206`
NS	2	`ns27.domaincontrol.com, ns28.domaincontrol.com`
MX	1	`institutoptico-pt.mail.protection.outloo`
TXT	4	`_globalsign-domain-verification=jtUxugBp, v=spf1 include:einvoice.yetspace.com inc...`
SOA	1	`ns27.domaincontrol.com dns.jomax.net`

📌 Glue Records Collected

Total: 18

In-bailiwick: 14 (h.dns.pt, g.dns.pt, e.dns.pt...)

Out-of-bailiwick: 4 (ns2.nic.fr, ns.dns.br, ns2.nic.fr...)

Analysis

Hierarchy

institutoptico.pt is the parent of mail.institutoptico.pt.

IP Addresses

institutoptico.pt resolves to one IP number: 213.63.238.206.

Name Servers

institutoptico.pt is delegated to four name servers: ns27.domaincontrol.com, ns28.domaincontrol.com, pdns05.domaincontrol.com and pdns06.domaincontrol.com.

institutoptico.pt at least partially shares name servers with other domains, for instance eekee.com, burkeadams.net, ipoles.org, davs.me and floridanativebutterflies.org.

Host names with two IP numbers:

ns27.domaincontrol.com points to 2603:5:2171::e and 97.74.103.14; ns28.domaincontrol.com points to 2603:5:2271::e and 173.201.71.14; pdns05.domaincontrol.com points to 2603:5:21e1::34 and 97.74.110.52; pdns06.domaincontrol.com points to 2603:5:22e1::34 and 173.201.78.52.

Mail Servers

institutoptico.pt is handled by a single mail server, institutoptico-pt.mail.protection.outlook.com.

Host institutoptico-pt.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:ca04::1, 2a01:111:f403:ca04::5, 2a01:111:f403:ca04::7, 2a01:111:f403:ca09::4, 52.101.68.3, 52.101.68.12, 52.101.68.16 and 52.101.68.21.

institutoptico.pt - robtex.com