sei.pt - robtex.com

sei.pt

DNSSEC⚠️ Not signed
A23.236.62.147🇺🇸 Google23.236.62.0/24
PTR147.62.236.23.bc.googleusercontent.com
NSdns1.host-redirect.com
A2001:4cc0:4:1::5🇵🇹 CLARANET-AS2001:4cc0::/32 Claranet Portugal
PTRdns1.host-redirect.com
A91.198.47.1🇵🇹 Flesk-AS91.198.47.0/24 Dominios
PTRdns1
NSdns2.host-redirect.com
A2001:4cc0:4:10::5🇵🇹 CLARANET-AS2001:4cc0::/32 Claranet Portugal
PTRdns2.host-redirect.com
A194.8.30.2🇵🇹 Flesk-AS194.8.30.0/24 Dominios
PTRdns2.host-redirect.com
NSdns3.host-redirect.com
A94.126.175.203🇵🇹 Flesk-AS94.126.168.0/21 Dominios
PTRdns3
NSdns4.host-redirect.com
A2001:4cc0:3:a::6dfe🇵🇹 CLARANET-AS2001:4cc0::/32 Claranet Portugal
A185.15.23.202🇵🇹 ALMOUROLTEC185.15.23.0/24 SERVICOS DE INFORMATICA E INTERNET LDA
PTRdns4.host-redirect.com
MXsei-pt.mail.protection.outlook.com
A2a01:111:f403:ca04::🇮🇪 Microsoft2a01:111:f000::/36
PTRmail-db3pr0202cu00100.inbound.protection.outlook.com
A2a01:111:f403:ca04::1🇮🇪 Microsoft2a01:111:f000::/36
PTRmail-db7pr03cu00401.inbound.protection.outlook.com
A2a01:111:f403:ca04::a🇮🇪 Microsoft2a01:111:f000::/36
PTRmail-du0pr03cu00102.inbound.protection.outlook.com
A2a01:111:f403:ca09::2🇳🇱 Microsoft2a01:111:f000::/36
PTRmail-am0pr83cu00402.inbound.protection.outlook.com
A52.101.68.18🇮🇪 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-db4pr02cu00302.inbound.protection.outlook.com
A52.101.73.1🇳🇱 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-am3pr04cu00501.inbound.protection.outlook.com
A52.101.73.15🇳🇱 Microsoft52.96.0.0/12 MICROSOFT
A52.101.73.22🇳🇱 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-am7pr05cu00106.inbound.protection.outlook.com
TXTv=spf1 include:spf.protection.outlook.com -all
SOAdns1.host-redirect.comhostmaster@sei.pt 2021-09-22 #1

pt

DNSSEC🔒 Signed (DS record present)
NScuriosity.dns.pt
NSa.dns.pt
NSb.dns.pt
NSc.dns.pt
NSd.dns.pt
NSe.dns.pt
NSg.dns.pt
NSh.dns.pt
NSns.dns.br ⚠️ Not in parent delegation
NSns2.nic.fr ⚠️ Not in parent delegation
SOAcuriosity.dns.ptrequest@dns.pt 2026-06-15 #14

Same first word

Similar names

DNS History

13 records (6 active, 7 former)

20162017201820192020202120222023202420252026NSdns1.host-redirect.comdns2.host-redirect.comdns3.host-redirect.comdns4.host-redirect.comdns1.rede1024.comdns2.rede1024.comdns3.rede1024.comdns4.rede1024.comMXsei-pt.mail.protection.outlook.commx1.rede1024.commx2.rede1024.comA23.236.62.147185.11.164.151
NSdns1.host-redirect.com2026-06-09 → 2026-06-15 · 3 obs
○ 2017-09-06 14:49:58
● 2026-06-09 12:03:22
● 2026-06-15 06:58:14
NSdns1.rede1024.com2015-08-20 → 2017-09-06 · 4 obs
● 2015-08-20 16:02:00
● 2017-09-06 14:49:58
○ 2026-06-09 12:03:22
○ 2026-06-15 06:58:14
NSdns2.host-redirect.com2026-06-09 → 2026-06-15 · 3 obs
○ 2017-09-06 14:49:58
● 2026-06-09 12:03:22
● 2026-06-15 06:58:14
NSdns2.rede1024.com2015-08-20 → 2017-09-06 · 4 obs
● 2015-08-20 16:02:00
● 2017-09-06 14:49:58
○ 2026-06-09 12:03:22
○ 2026-06-15 06:58:14
NSdns3.host-redirect.com2026-06-09 → 2026-06-15 · 3 obs
○ 2017-09-06 14:49:58
● 2026-06-09 12:03:22
● 2026-06-15 06:58:14
NSdns3.rede1024.com2015-08-20 → 2017-09-06 · 4 obs
● 2015-08-20 16:02:00
● 2017-09-06 14:49:58
○ 2026-06-09 12:03:22
○ 2026-06-15 06:58:14
NSdns4.host-redirect.com2026-06-09 → 2026-06-15 · 3 obs
○ 2017-09-06 14:49:58
● 2026-06-09 12:03:22
● 2026-06-15 06:58:14
NSdns4.rede1024.com2015-08-20 → 2017-09-06 · 4 obs
● 2015-08-20 16:02:00
● 2017-09-06 14:49:58
○ 2026-06-09 12:03:22
○ 2026-06-15 06:58:14
MXmx1.rede1024.com2015-08-20 → 2017-09-06 · 4 obs
● 2015-08-20 16:02:00
● 2017-09-06 14:49:58
○ 2026-06-09 12:03:22
○ 2026-06-15 06:58:14
MXmx2.rede1024.com2015-08-20 → 2017-09-06 · 4 obs
● 2015-08-20 16:02:00
● 2017-09-06 14:49:58
○ 2026-06-09 12:03:22
○ 2026-06-15 06:58:14
MXsei-pt.mail.protection.outlook.com2026-06-09 → 2026-06-15 · 3 obs
○ 2017-09-06 14:49:58
● 2026-06-09 12:03:22
● 2026-06-15 06:58:14
A185.11.164.1512015-08-20 → 2017-09-06 · 4 obs
● 2015-08-20 16:02:00
● 2017-09-06 14:49:58
○ 2026-06-09 12:03:22
○ 2026-06-15 06:58:14
A23.236.62.1472026-06-09 → 2026-06-15 · 3 obs
○ 2017-09-06 14:49:58
● 2026-06-09 12:03:22
● 2026-06-15 06:58:14

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
ptc.dns.pt, h.dns.pt, a.dns.pt, e.dns.pt...-
sei.ptdns1.host-redirect.com, dns2.host-redirect.com, dns3.host-redirect.com, dns4.host-redirect.com-

✅ Authoritative Response

Server:91.198.47.1

NS records: dns1.host-redirect.com, dns2.host-redirect.com, dns3.host-redirect.com, dns4.host-redirect.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sei.pt (unsigned zone)

⏱️ Timing

Total: 1623ms | Queries: -

📄 Records

TypeCountSample Data
A123.236.62.147
NS4dns1.host-redirect.com, dns3.host-redirect.com...
MX1sei-pt.mail.protection.outlook.com (pri:
TXT1v=spf1 include:spf.protection.outlook.co
SOA1dns1.host-redirect.com hostmaster.sei.pt

Analysis

IP Addresses

sei.pt points to a single IP number: 23.236.62.147.

Additional host names — spectrumradiology.com.au, barryconradrenovations.com, ascendtwo.com and two others — share IP numbers with sei.pt.

Name Servers

sei.pt has four authoritative name servers: dns1.host-redirect.com, dns2.host-redirect.com, dns3.host-redirect.com and dns4.host-redirect.com.

sei.pt partially shares its NS delegation with several other domains, including logitools.pt, interdisciplinarydentistry.com, gbesd.com and two others.

Host names with two IP numbers:

The A records for dns1.host-redirect.com return 91.198.47.1 and 2001:4cc0:4:1::5.

The A records for dns2.host-redirect.com return 194.8.30.2 and 2001:4cc0:4:10::5.

The A records for dns4.host-redirect.com return 185.15.23.202 and 2001:4cc0:3:a::6dfe.

Host names pointing to a single IP address:

dns3.host-redirect.com resolves to the IP address 94.126.175.203.

Mail Servers

sei.pt has one mail server: sei-pt.mail.protection.outlook.com.

sei-pt.mail.protection.outlook.com points to 8 IP numbers: 52.101.68.18, 52.101.73.1, 52.101.73.15 and 5 other.