jefer.com.br - dns.ninja

`jefer.com.br`

DNSSEC	🔒 Signed (DS record present)
A	54.221.101.54^{🇺🇸 Amazon54.221.0.0/16 EC2 IAD prefix}
		PTR	`ec2-54-221-101-54.compute-1.amazonaws.com`
NS	`a.sec.dns.br` ⭐
		A	2001:12ff::11^{🇧🇷 REGISTROBRNET2001:12ff::/32 Registro.BR Network}
			PTR	`a.sec.dns.br`
		A	200.160.0.11^{🇧🇷 REGISTROBRNET200.160.0.0/20 Registro.BR Network}
			PTR	`a.sec.dns.br`
NS	`b.sec.dns.br`
		A	2001:12f8:b:1::11^{🇧🇷 C-DNS-BR2001:12f8:b::/48 Registro.BR Network (C.DNS.BR)}
			PTR	`b.sec.dns.br`
		A	200.192.232.11^{🇧🇷 C-DNS-BR200.192.232.0/24 Registro.BR Network (C.DNS.BR)}
			PTR	`b.sec.dns.br`
MX	`jefer-com-br.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:c903::3^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-mw2pr02cu00503.inbound.protection.outlook.com`
		A	2a01:111:f403:f804::3^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-co1pr03cu00403.inbound.protection.outlook.com`
		A	2a01:111:f403:f805::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-co1pr03cu00301.inbound.protection.outlook.com`
		A	2a01:111:f403:f901::2^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-bl2pr02cu00402.inbound.protection.outlook.com`
		A	52.101.10.6^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-bn1pr21cu00106.inbound.protection.outlook.com`
		A	52.101.11.19^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sa9pr04cu00203.inbound.protection.outlook.com`
		A	52.101.40.2^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-cy1pr05cu00402.inbound.protection.outlook.com`
		A	52.101.50.13^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-mw2pr02cu00605.inbound.protection.outlook.com`
TXT	`google-site-verification=2e4Kbu3wBewWiD_wf7II3X2AtaSDzODGn8VGJ-wcr5w`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
SOA	`a.sec.dns.br`hostmaster@registro.br serial=2026194000

`com.br`

	DNSSEC	⚠️ Not signed
	NS	`a.dns.br` ⭐ ⚠️ Not in parent delegation
	NS	`b.dns.br` ⚠️ Not in parent delegation
	NS	`c.dns.br` ⚠️ Not in parent delegation
	NS	`d.dns.br` ⚠️ Not in parent delegation
	NS	`e.dns.br` ⚠️ Not in parent delegation
	NS	`f.dns.br` ⚠️ Not in parent delegation
	SOA	`a.dns.br`hostmaster@registro.br serial=2026208188

rank #508157 globally
rank #3676 in the tld
WOT: SAFE (69/100)

Subdomains

mail.jefer.com.br

Same first word

jefer.de

jefer.com.br

jefer.com

Similar names

fjeer.us

jfree.com

freje.com

fejer.com

jfeer.net

rejef.com

fejer.org

freej.nl

jrefe.org

freej.com

ferje.info

jfree.cn

freej.ae

jfree.de

fejer.pro

jfree.github.io

fejer.hu

jfree.org

jefre.org

fejre.com

jfree.net

fejer.dk

jefre.net

freej.cn

jfree.co.il

DNS History

15 records (4 active, 11 former)

●NSa.sec.dns.br2021-04-07 → 2026-07-27 · 3 obs

○ 2017-03-31 21:38:12
● 2021-04-07 10:04:14
● 2026-07-27 08:24:54

●NSb.sec.dns.br2021-04-07 → 2026-07-27 · 3 obs

○ 2017-03-31 21:38:12
● 2021-04-07 10:04:14
● 2026-07-27 08:24:54

○NSns1.locaweb.com.br2015-08-17 → 2017-03-31 · 4 obs

● 2015-08-17 12:41:14
● 2017-03-31 21:38:12
○ 2021-04-07 10:04:14
○ 2026-07-27 08:24:54

○NSns2.locaweb.com.br2015-08-17 → 2017-03-31 · 4 obs

● 2015-08-17 12:41:14
● 2017-03-31 21:38:12
○ 2021-04-07 10:04:14
○ 2026-07-27 08:24:54

○NSns3.locaweb.com.br2015-08-17 → 2017-03-31 · 4 obs

● 2015-08-17 12:41:14
● 2017-03-31 21:38:12
○ 2021-04-07 10:04:14
○ 2026-07-27 08:24:54

●MXjefer-com-br.mail.protection.outlook.com2021-04-07 → 2026-07-27 · 3 obs

○ 2017-03-31 21:38:12
● 2021-04-07 10:04:14
● 2026-07-27 08:24:54

○MXmx.a.locaweb.com.br2015-08-17 → 2016-03-21 · 4 obs

● 2015-08-17 12:41:14
● 2016-03-21 22:16:06
○ 2016-07-18 01:48:40
○ 2026-07-27 08:24:54

○MXmx.b.locaweb.com.br2015-08-17 → 2016-03-21 · 4 obs

● 2015-08-17 12:41:14
● 2016-03-21 22:16:06
○ 2016-07-18 01:48:40
○ 2026-07-27 08:24:54

○MXmx.core.locaweb.com.br2015-08-17 → 2016-03-21 · 4 obs

● 2015-08-17 12:41:14
● 2016-03-21 22:16:06
○ 2016-07-18 01:48:40
○ 2026-07-27 08:24:54

○MXmx.jk.locaweb.com.br2015-08-17 → 2016-03-21 · 4 obs

● 2015-08-17 12:41:14
● 2016-03-21 22:16:06
○ 2016-07-18 01:48:40
○ 2026-07-27 08:24:54

○MXsighost05.sighost.com.br2016-07-18 → 2017-03-31 · 5 obs

○ 2016-03-21 22:16:06
● 2016-07-18 01:48:40
● 2017-03-31 21:38:12
○ 2021-04-07 10:04:14
○ 2026-07-27 08:24:54

○A186.202.87.1662017-03-31 → 2017-03-31 · 4 obs

○ 2016-07-18 01:48:40
● 2017-03-31 21:38:12
○ 2021-04-07 10:04:14
○ 2026-07-27 08:24:54

○A186.202.87.202015-08-17 → 2016-07-18 · 4 obs

● 2015-08-17 12:41:14
● 2016-07-18 01:48:40
○ 2017-03-31 21:38:12
○ 2026-07-27 08:24:54

●A54.221.101.542026-04-19 → 2026-07-27 · 3 obs

○ 2021-04-07 10:04:14
● 2026-04-19 02:02:34
● 2026-07-27 08:24:54

○A54.85.209.2272021-04-07 → 2021-04-07 · 4 obs

○ 2017-03-31 21:38:12
● 2021-04-07 10:04:14
○ 2026-04-19 02:02:34
○ 2026-07-27 08:24:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
br	c.dns.br, b.dns.br, e.dns.br, f.dns.br...	-
jefer.com.br	b.sec.dns.br, a.sec.dns.br	-

✅ Authoritative Response

Server:200.192.232.11

NS records: b.sec.dns.br, a.sec.dns.br

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1029ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`54.221.101.54`
NS	2	`a.sec.dns.br, b.sec.dns.br`
MX	1	`jefer-com-br.mail.protection.outlook.com`
TXT	2	`v=spf1 include:spf.protection.outlook.co, google-site-verification=2e4Kbu3wBewWiD_`
SOA	1	`a.sec.dns.br hostmaster.registro.br`

Analysis

Hierarchy

mail.jefer.com.br is a subdomain of jefer.com.br.

IP Addresses

jefer.com.br resolves to one IP address: 54.221.101.54.

Among the host names that share IP numbers with jefer.com.br is ec2-54-221-101-54.compute-1.amazonaws.com, as one example.

Name Servers

The NS records for jefer.com.br delegate to a.sec.dns.br and b.sec.dns.br.

jefer.com.br uses the same name servers as several other domains — among them srsuplementos.com.br, clinicaosteo.com.br, netclaroembratel.com.br and two more.

The name servers of jefer.com.br overlap at least partially with those of other domains — among them fadami.eti.br, rnet.net.br, mydatahub.com.br and two more.

These name servers commonly appear in combination with the name servers c.sec.dns.br.

a.sec.dns.br resolves to 200.160.0.11 and 2001:12ff::11. Likewise, b.sec.dns.br resolves to 200.192.232.11 and 2001:12f8:b:1::11 — two IP addresses apiece.

Mail Servers

Mail for jefer.com.br is handled by a single mail server, jefer-com-br.mail.protection.outlook.com.

jefer-com-br.mail.protection.outlook.com resolves to 8 IP addresses — 52.101.10.6, 52.101.11.19, 52.101.40.2 and 5 others.