`mailserver.uni5.net`

DNSSEC	⚠️ Not signed
A	2804:10:8015::136:78^{🇧🇷 IPV6-INTERNET2804:10:8000::/34 IPv6 Internet Ltda Any Notification about AS28299 security please e-mail to: ABUSE@hospedagem.net}
A	187.1.136.78^{🇧🇷 IPV6-INTERNET187.1.136.0/23 IPv6 Internet Ltda Any Notification about AS28299 security please e-mail to: ABUSE@hospedagem.net}
NS	`dns1.portalcurso.co` ⭐ ⚠️ Not in parent delegation
		A	2804:10:c011::1^{🇧🇷 IPV6-INTERNET2804:10::/32 IPv6 Internet Ltda Any Notification about AS28299 security please e-mail to: ABUSE@hospedagem.net}
		A	189.38.95.2^{🇧🇷 IPV6-INTERNET189.38.94.0/23 IPv6 Internet Ltda Any Notification about AS28299 security please e-mail to: ABUSE@hospedagem.net}
			PTR	`dns1.uni5.net`
NS	`dns2.portalcurso.co` ⚠️ Not in parent delegation
		A	2804:10:c022::2^{🇧🇷 IPV6-INTERNET2804:10::/32 IPv6 Internet Ltda Any Notification about AS28299 security please e-mail to: ABUSE@hospedagem.net}
			PTR	`dns02.uni5.net`
		A	189.38.95.3^{🇧🇷 IPV6-INTERNET189.38.94.0/23 IPv6 Internet Ltda Any Notification about AS28299 security please e-mail to: ABUSE@hospedagem.net}
			PTR	`dns2.uni5.net`
NS	`dns3.portalcurso.co` ⚠️ Not in parent delegation
		A	2804:10:c033::3^{🇧🇷 IPV6-INTERNET2804:10::/32 IPv6 Internet Ltda Any Notification about AS28299 security please e-mail to: ABUSE@hospedagem.net}
		A	177.12.162.2^{🇧🇷 IPV6-INTERNET177.12.160.0/22 IPV6 Internet Ltda Any Notification about AS28299 security please e-mail to: ABUSE@hospedagem.net}
NS	`dns4.portalcurso.co` ⚠️ Not in parent delegation
		A	2804:10:c044::4^{🇧🇷 IPV6-INTERNET2804:10::/32 IPv6 Internet Ltda Any Notification about AS28299 security please e-mail to: ABUSE@hospedagem.net}
		A	177.12.162.3^{🇧🇷 IPV6-INTERNET177.12.160.0/22 IPV6 Internet Ltda Any Notification about AS28299 security please e-mail to: ABUSE@hospedagem.net}
MX	`mx-vip-01.uni5.net` ⭐
		A	2804:10:8028::220:38^{🇧🇷 IPV6-INTERNET2804:10:8000::/34 IPv6 Internet Ltda Any Notification about AS28299 security please e-mail to: ABUSE@hospedagem.net}
			PTR	`mx-vip-01-farm28.uni5.net`
		A	191.6.220.38^{🇧🇷 IPV6-INTERNET191.6.220.0/23 IPv6 Internet Ltda Any Notification about AS28299 security please e-mail to: ABUSE@hospedagem.net}
			PTR	`mx-vip-01-farm28.uni5.net`
MX	`mx-vip-02.uni5.net` ⭐
		A	2804:10:8028::220:39^{🇧🇷 IPV6-INTERNET2804:10:8000::/34 IPv6 Internet Ltda Any Notification about AS28299 security please e-mail to: ABUSE@hospedagem.net}
			PTR	`mx-vip-02-farm28.uni5.net`
		A	191.6.220.39^{🇧🇷 IPV6-INTERNET191.6.220.0/23 IPv6 Internet Ltda Any Notification about AS28299 security please e-mail to: ABUSE@hospedagem.net}
			PTR	`mx-vip-02-farm28.uni5.net`
TXT	`v=spf1 include:_spf.uni5.net -all`
SOA	`dns1.portalcurso.co`abuse@uni5.net serial=2308301007

`uni5.net`

	DNSSEC	⚠️ Not signed
	A	191.6.210.209^{🇧🇷 Locaweb191.6.210.0/24 IPV6 Internet Ltda}
	NS	`dns1.uni5.net` ⭐
	NS	`dns2.uni5.net`
	NS	`dns3.uni5.net`
	NS	`dns4.uni5.net`
	MX	`mx-vip-01.uni5.net` ⭐
	MX	`mx-vip-02.uni5.net` ⭐
	TXT	`v=spf1 include:_spf.uni5.net -all`
	SOA	`dns1.uni5.net`abuse@uni5.net 2023-01-19 #2

WOT: SAFE (50/100)
rank #48904 globally
rank #1588 in the tld
WOT: SAFE (50/100)
📈 Tranco rank: #15,858

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Similar names

DNS History

8 records (8 active, 0 former)

●NSdns1.portalcurso.co2026-04-04 → 2026-04-06 · 2 obs

● 2026-04-04 10:49:06
● 2026-04-06 01:09:34

●NSdns2.portalcurso.co2026-04-04 → 2026-04-06 · 2 obs

● 2026-04-04 10:49:06
● 2026-04-06 01:09:34

●NSdns3.portalcurso.co2026-04-04 → 2026-04-06 · 2 obs

● 2026-04-04 10:49:06
● 2026-04-06 01:09:34

●NSdns4.portalcurso.co2026-04-04 → 2026-04-06 · 2 obs

● 2026-04-04 10:49:06
● 2026-04-06 01:09:34

●MXmx-vip-01.uni5.net2026-04-04 → 2026-04-06 · 2 obs

● 2026-04-04 10:49:06
● 2026-04-06 01:09:34

●MXmx-vip-02.uni5.net2026-04-04 → 2026-04-06 · 2 obs

● 2026-04-04 10:49:06
● 2026-04-06 01:09:34

●A187.1.136.782026-04-04 → 2026-04-06 · 2 obs

● 2026-04-04 10:49:06
● 2026-04-06 01:09:34

●A2804:10:8015::136:782026-04-04 → 2026-04-06 · 2 obs

● 2026-04-04 10:49:06
● 2026-04-06 01:09:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
uni5.net	dns1.uni5.net, dns2.uni5.net, dns3.uni5.net, dns4.uni5.net	8 records

✅ Authoritative Response

Server:172.64.53.80

NS records: dns1.uni5.net, dns2.uni5.net, dns3.uni5.net, dns4.uni5.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for uni5.net (unsigned zone)

⏱️ Timing

Total: 359ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`187.1.136.78`
AAAA	1	`2804:10:8015::136:78`
NS	4	`dns3.portalcurso.co, dns1.portalcurso.co...`
MX	2	`mx-vip-01.uni5.net (pri: 5), mx-vip-02.uni5.net (pri: 5)`
TXT	1	`v=spf1 include:_spf.uni5.net -all`
SOA	1	`dns1.portalcurso.co abuse.uni5.net`

📌 Glue Records Collected

Total: 8

In-bailiwick: 8 (dns1.uni5.net, dns1.uni5.net, dns2.uni5.net...)

Analysis

IP Addresses

mailserver.uni5.net has two IP numbers: 2804:10:8015::136:78 and 187.1.136.78.

Other host names, for instance pagtodos.com.br, hospitalvisaosc.com.br, redeavancarmais.com.br, cabinesmoura.com.br and leiloeslucrativos.com.br share IP numbers with mailserver.uni5.net.

Name Servers

mailserver.uni5.net delegates to four name servers: dns1.portalcurso.co, dns2.portalcurso.co, dns3.portalcurso.co and dns4.portalcurso.co.

mailserver.uni5.net at least partially shares name servers with other domains, for instance seolink.com.br, portalcurso.co, digiban.com.br and portalcurso.com.br.

These name servers are often used with dns1.uni5.net and dns2.uni5.net.

Host names with two IP numbers: dns1.portalcurso.co points to 2804:10:c011::1 and 189.38.95.2; dns2.portalcurso.co points to 2804:10:c022::2 and 189.38.95.3; dns3.portalcurso.co points to 2804:10:c033::3 and 177.12.162.2; dns4.portalcurso.co points to 2804:10:c044::4 and 177.12.162.3.

Mail Servers

mailserver.uni5.net is served by two mail servers mx-vip-01.uni5.net and mx-vip-02.uni5.net.

mailserver.uni5.net shares the same mail server setup as other domains, for instance lunaonline.com.br, munizmkt.com.br, escritoriocobel.com.br, maxilaser.com.br and bluestarrio.com.br.

Host names with two IPs:

mx-vip-01.uni5.net points to 2804:10:8028::220:38 and 191.6.220.38

mx-vip-02.uni5.net points to 2804:10:8028::220:39 and 191.6.220.39

mailserver.uni5.net - robtex.com