`icuniversity.net`

DNSSEC	⚠️ Not signed
A	186.202.153.205^{🇧🇷 Locaweb186.202.152.0/22 Servicos de Internet SA}
		PTR	`hm8483.locaweb.com.br`
NS	`ns1.locaweb.com.br` ⭐
		A	2804:218:7000:0:186:202:8:254^{🇧🇷 Locaweb2804:218:7000::/48}
		A	186.202.8.254^{🇧🇷 Locaweb186.202.8.0/24 Servicos de Internet SA}
NS	`ns2.locaweb.com.br`
		A	2804:218:7001:0:187:45:248:254^{🇧🇷 Locaweb2804:218:7001::/48}
		A	187.45.248.254^{🇧🇷 Locaweb187.45.248.0/24 Servicos de Internet SA}
NS	`ns3.locaweb.com.br`
		A	2804:218:7002:0:189:126:101:254^{🇧🇷 Locaweb2804:218:7002::/48}
		A	189.126.101.254^{🇧🇷 Locaweb189.126.101.0/24 Servicos de Internet SA}
MX	`mx.core.locaweb.com.br` ⭐
		A	177.153.23.241^{🇧🇷 Locaweb177.153.0.0/19 Servicos de Internet SA}
			PTR	`mx.core.locaweb.com.br`
MX	`mx.a.locaweb.com.br`⁽²⁰⁾
		A	186.202.4.42^{🇧🇷 Locaweb186.202.0.0/19 Servicos de Internet SA}
			PTR	`mx.a.locaweb.com.br`
MX	`mx.b.locaweb.com.br`⁽²⁰⁾
		A	177.153.23.242^{🇧🇷 Locaweb177.153.0.0/19 Servicos de Internet SA}
			PTR	`mx.b.locaweb.com.br`
MX	`mx.jk.locaweb.com.br`⁽²⁰⁾
		A	200.234.204.130^{🇧🇷 Locaweb200.234.192.0/20 Servicos de Internet SA}
			PTR	`mx.jk.locaweb.com.br`
TXT	`v=spf1 include:_spf.locaweb.com.br ?all`
SOA	`ns1.locaweb.com.br`hostmaster@locaweb.com.br 2022-03-10 #1

`net`

	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=1785093457

Same first word

icuniversity.com

icuniversity.net

icuniversity.pt

icuniversity.org

icuniversity.es

DNS History

16 records (8 active, 8 former)

●NSns1.locaweb.com.br2026-03-26 → 2026-07-26 · 3 obs

○ 2017-06-09 11:23:24
● 2026-03-26 13:48:50
● 2026-07-26 19:32:24

●NSns2.locaweb.com.br2026-03-26 → 2026-07-26 · 3 obs

○ 2017-06-09 11:23:24
● 2026-03-26 13:48:50
● 2026-07-26 19:32:24

●NSns3.locaweb.com.br2026-03-26 → 2026-07-26 · 3 obs

○ 2017-06-09 11:23:24
● 2026-03-26 13:48:50
● 2026-07-26 19:32:24

○NSns63.1and1.es2015-07-03 → 2016-12-02 · 4 obs

● 2015-07-03 14:54:46
● 2016-12-02 00:58:40
○ 2017-06-09 11:23:24
○ 2026-07-26 19:32:24

○NSns64.1and1.es2015-07-03 → 2016-12-02 · 4 obs

● 2015-07-03 14:54:46
● 2016-12-02 00:58:40
○ 2017-06-09 11:23:24
○ 2026-07-26 19:32:24

●MXmx.a.locaweb.com.br2026-03-26 → 2026-07-26 · 3 obs

○ 2017-06-09 11:23:24
● 2026-03-26 13:48:50
● 2026-07-26 19:32:24

●MXmx.b.locaweb.com.br2026-03-26 → 2026-07-26 · 3 obs

○ 2017-06-09 11:23:24
● 2026-03-26 13:48:50
● 2026-07-26 19:32:24

●MXmx.core.locaweb.com.br2026-03-26 → 2026-07-26 · 3 obs

○ 2017-06-09 11:23:24
● 2026-03-26 13:48:50
● 2026-07-26 19:32:24

●MXmx.jk.locaweb.com.br2026-03-26 → 2026-07-26 · 3 obs

○ 2017-06-09 11:23:24
● 2026-03-26 13:48:50
● 2026-07-26 19:32:24

○MXmx00.1and1.es2015-07-03 → 2016-12-02 · 4 obs

● 2015-07-03 14:54:46
● 2016-12-02 00:58:40
○ 2017-06-09 11:23:24
○ 2026-07-26 19:32:24

○MXmx01.1and1.es2015-07-03 → 2016-12-02 · 4 obs

● 2015-07-03 14:54:46
● 2016-12-02 00:58:40
○ 2017-06-09 11:23:24
○ 2026-07-26 19:32:24

●A186.202.153.2052026-03-26 → 2026-07-26 · 3 obs

○ 2017-06-09 11:23:24
● 2026-03-26 13:48:50
● 2026-07-26 19:32:24

○A2001:8d8:1001:115d:af97:6985:fdce:28212016-04-15 → 2016-12-02 · 5 obs

○ 2016-01-16 15:37:42
● 2016-04-15 10:27:42
● 2016-12-02 00:58:40
○ 2017-06-09 11:23:24
○ 2026-07-26 19:32:24

○A2001:8d8:1001:115d:cd4a:86fc:7160:192015-07-03 → 2016-01-16 · 4 obs

● 2015-07-03 14:54:46
● 2016-01-16 15:37:42
○ 2016-04-15 10:27:42
○ 2026-07-26 19:32:24

○A217.160.230.832016-04-15 → 2016-12-02 · 5 obs

○ 2016-01-16 15:37:42
● 2016-04-15 10:27:42
● 2016-12-02 00:58:40
○ 2017-06-09 11:23:24
○ 2026-07-26 19:32:24

○A217.160.247.1032015-07-03 → 2016-01-16 · 4 obs

● 2015-07-03 14:54:46
● 2016-01-16 15:37:42
○ 2016-04-15 10:27:42
○ 2026-07-26 19:32:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
icuniversity.net	ns1.locaweb.com.br, ns2.locaweb.com.br, ns3.locaweb.com.br	-

✅ Authoritative Response

Server:186.202.8.254

NS records: ns1.locaweb.com.br, ns2.locaweb.com.br, ns3.locaweb.com.br

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for icuniversity.net (unsigned zone)

⏱️ Timing

Total: 688ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`186.202.153.205`
NS	3	`ns2.locaweb.com.br, ns1.locaweb.com.br...`
MX	4	`mx.b.locaweb.com.br (pri: 20), mx.core.locaweb.com.br (pri: 10)...`
TXT	1	`v=spf1 include:_spf.locaweb.com.br ?all`
SOA	1	`ns1.locaweb.com.br hostmaster.locaweb.co`

Analysis

IP Addresses

icuniversity.net directs to one IP number, which is 186.202.153.205.

Among the host names that share IP numbers with icuniversity.net are legiaomirim.org.br, brcgroup.com.br, portal.ibracon.org.br and two others.

Name Servers

Three name servers are authoritative for icuniversity.net: ns1.locaweb.com.br, ns2.locaweb.com.br and ns3.locaweb.com.br.

icuniversity.net shares at least some of its name servers with other domains, including probrasil.com.br, insperjr.com.br, sanso.com.br and two others.

ns1.locaweb.com.br resolves to 186.202.8.254 and 2804:218:7000:0:186:202:8:254. ns2.locaweb.com.br resolves to 187.45.248.254 and 2804:218:7001:0:187:45:248:254. ns3.locaweb.com.br resolves to 189.126.101.254 and 2804:218:7002:0:189:126:101:254. All three hostnames point to two IP numbers each.

Mail Servers

icuniversity.net has four mail servers: mx.a.locaweb.com.br, mx.b.locaweb.com.br, mx.core.locaweb.com.br and mx.jk.locaweb.com.br.

icuniversity.net shares at least some of its mail servers with other domains — for example sarmento.eng.br, grandepicos.com.br, lella.me and two more.

mx.a.locaweb.com.br resolves to 186.202.4.42. mx.b.locaweb.com.br resolves to 177.153.23.242. mx.core.locaweb.com.br resolves to 177.153.23.241. mx.jk.locaweb.com.br resolves to 200.234.204.130. All four hosts carry exactly one IP address.

icuniversity.net - robtex.com