`acrefi.org.br`

DNSSEC	⚠️ Not signed
A	13.107.213.40^{🇺🇸 Microsoft13.104.0.0/14 MICROSOFT}
A	13.107.246.40^{🇺🇸 Microsoft13.104.0.0/14 MICROSOFT}
NS	`ns1-02.azure-dns.com` ⭐
		A	2603:1061:0:700::2^{🇺🇸 Microsoft2603:1000::/25 MICROSOFT}
			PTR	`ns1-02.azure-dns.com`
		A	13.107.236.2^{🇺🇸 Microsoft13.104.0.0/14 MICROSOFT}
			PTR	`ns1-02.azure-dns.com`
NS	`ns2-02.azure-dns.net`
		A	2620:1ec:8ec:700::2^{🇺🇸 Microsoft2620:1ec::/36 MICROSOFT}
			PTR	`ns2-02.azure-dns.net`
		A	150.171.21.2^{🇺🇸 Microsoft150.171.0.0/16 MICROSOFT}
			PTR	`ns2-02.azure-dns.net`
NS	`ns3-02.azure-dns.org`
		A	2a01:111:4000:700::2^{🇬🇧 Microsoft2a01:111:4000::/36}
			PTR	`ns3-02.azure-dns.org`
		A	204.14.183.2^{🇺🇸 Microsoft204.14.180.0/22}
			PTR	`ns3-02.azure-dns.org`
NS	`ns4-02.azure-dns.info`
		A	2620:1ec:bda:700::2^{🇺🇸 Microsoft2620:1ec::/36 MICROSOFT}
			PTR	`ns4-02.azure-dns.info`
		A	208.84.5.2^{🇺🇸 Microsoft208.84.0.0/21 MICROSOFT}
			PTR	`ns4-02.azure-dns.info`
MX	`acrefi-org-br.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:c94a::^{🇬🇧 Microsoft2a01:111:f000::/36}
			PTR	`mail-cp5p284cu01800.inbound.protection.outlook.com`
		A	2a01:111:f403:c94a::1^{🇬🇧 Microsoft2a01:111:f000::/36}
			PTR	`mail-cp4p284cu00401.inbound.protection.outlook.com`
		A	2a01:111:f403:c94a::2^{🇬🇧 Microsoft2a01:111:f000::/36}
			PTR	`mail-cp3p284cu00702.inbound.protection.outlook.com`
		A	2a01:111:f403:c94c::^{🇬🇧 Microsoft2a01:111:f000::/36}
			PTR	`mail-roap284cu02600.inbound.protection.outlook.com`
		A	52.101.198.0^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-cp5p284cu01800.inbound.protection.outlook.com`
		A	52.101.198.1^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-cp4p284cu00401.inbound.protection.outlook.com`
		A	52.101.198.38^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-cp3p284cu00706.inbound.protection.outlook.com`
		A	52.101.200.0^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-roap284cu02600.inbound.protection.outlook.com`
TXT	`MS=ms94783621`
TXT	`v=spf1 include:spf.protection.outlook.com include:_spf.rdstation.com.br inclu...`
TXT	`v=spf1 include:_spf.rdstation.com.br include:sendgrid.net ~all`
SOA	`ns1-02.azure-dns.com`azuredns-hostmaster@microsoft.com serial=1

`org.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=2026118116

WOT: SAFE (61/100)
WOT: SAFE (99/100)

Same first word

acrefi.org.br

acrefi.com.br

Similar names

aeirfc.co.uk

crefia.com

ecfair.jp

fiacre.net

cafrie.com

carfie.xyz

firace.com.br

reafic.com

ifacer.com

frecia.com

ceifra.com

afirec.com

refica.net

fecira.com

icefar.com

africe.com

ecfair.com

creafi.fr

caifer.com

ricafe.com

cfaire.com

ceifar.com.br

cfreia.com

carefi.com

ricefa.ir

aciref.com.ar

ifrace.fr

fiacre.com.cn

cefair.com

fiarce.com

ficare.com.br

creaif.com

farice.com

creaif.org

crefia.fr

fiacre.fr

acefir.cat

ecfair.net

creafi.com

ficrea.com.mx

cifrae.ru

farice.github.io

efrica.com

recafi.co.tz

ficare.com

fraice.com

acfire.ca

cefrai.com

careif.org

riacef.it

ircafe.ru

ecfair.top

ricefa.com

acerfi.net

feicar.com

farice.net

fiaerc.fr

fiaerc.it

eafric.com

cefira.com

ricafe.com.br

ecfair.org

fiaerc.pt

aciref.org

crefia.org

feiarc.com

cifrae.com

refica.dk

caerif.fr

carife.it

rafiec.com

farcie.com

acifer.ch

ifecar.com

fiaerc.com

acfire.com

cerafi.cz

acfire.org

farice.is

fireca.com

cifera.net

crefia.or.kr

carife.eu

acifer.biz

refica.org

ecfair.cn

refica.info

icefar.cn

cfaire.fr

ceifar.org.br

ceifar.com

cfreia.org

DNS History

28 records (7 active, 21 former)

●NSns1-02.azure-dns.com2026-04-24 → 2026-04-28 · 3 obs

○ 2017-06-01 19:26:02
● 2026-04-24 16:53:58
● 2026-04-28 04:58:42

○NSns1.edf.com.br2015-08-18 → 2016-12-02 · 4 obs

● 2015-08-18 14:40:36
● 2016-12-02 03:01:10
○ 2017-06-01 19:26:02
○ 2026-04-28 04:58:42

○NSns1.skymail.net.br2017-06-01 → 2017-06-01 · 4 obs

○ 2016-12-02 03:01:10
● 2017-06-01 19:26:02
○ 2026-04-24 16:53:58
○ 2026-04-28 04:58:42

●NSns2-02.azure-dns.net2026-04-24 → 2026-04-28 · 3 obs

○ 2017-06-01 19:26:02
● 2026-04-24 16:53:58
● 2026-04-28 04:58:42

○NSns2.edf.com.br2015-08-18 → 2016-12-02 · 4 obs

● 2015-08-18 14:40:36
● 2016-12-02 03:01:10
○ 2017-06-01 19:26:02
○ 2026-04-28 04:58:42

○NSns2.skymail.net.br2017-06-01 → 2017-06-01 · 4 obs

○ 2016-12-02 03:01:10
● 2017-06-01 19:26:02
○ 2026-04-24 16:53:58
○ 2026-04-28 04:58:42

●NSns3-02.azure-dns.org2026-04-24 → 2026-04-28 · 3 obs

○ 2017-06-01 19:26:02
● 2026-04-24 16:53:58
● 2026-04-28 04:58:42

○NSns3.skymail.net.br2017-06-01 → 2017-06-01 · 4 obs

○ 2016-12-02 03:01:10
● 2017-06-01 19:26:02
○ 2026-04-24 16:53:58
○ 2026-04-28 04:58:42

●NSns4-02.azure-dns.info2026-04-24 → 2026-04-28 · 3 obs

○ 2017-06-01 19:26:02
● 2026-04-24 16:53:58
● 2026-04-28 04:58:42

●MXacrefi-org-br.mail.protection.outlook.com2026-04-24 → 2026-04-28 · 3 obs

○ 2017-06-01 19:26:02
● 2026-04-24 16:53:58
● 2026-04-28 04:58:42

○MXmail.acrefi.org.br2015-08-18 → 2016-12-02 · 4 obs

● 2015-08-18 14:40:36
● 2016-12-02 03:01:10
○ 2017-06-01 19:26:02
○ 2026-04-28 04:58:42

○MXmx-ha.skymail.net.br2017-06-01 → 2017-06-01 · 4 obs

○ 2016-12-02 03:01:10
● 2017-06-01 19:26:02
○ 2026-04-24 16:53:58
○ 2026-04-28 04:58:42

●A13.107.213.402026-04-25 → 2026-04-28 · 22 obs

○ 2026-04-25 02:17:40
● 2026-04-25 06:20:48
○ 2026-04-25 07:53:20
○ 2026-04-25 19:24:16
● 2026-04-25 20:42:28
○ 2026-04-25 22:39:24
○ 2026-04-26 23:37:14
● 2026-04-27 00:28:38
○ 2026-04-27 02:17:20
○ 2026-04-27 05:28:12
● 2026-04-27 06:25:38
○ 2026-04-27 09:17:48
○ 2026-04-27 16:03:46
● 2026-04-27 16:35:48
○ 2026-04-27 18:22:36
○ 2026-04-27 22:41:28
● 2026-04-27 23:46:02
● 2026-04-28 00:30:10
○ 2026-04-28 02:44:58
○ 2026-04-28 03:16:44
● 2026-04-28 04:06:32
● 2026-04-28 04:58:42

○A13.107.226.672026-04-27 → 2026-04-27 · 4 obs

○ 2026-04-27 19:17:14
● 2026-04-27 22:04:00
○ 2026-04-27 22:41:28
○ 2026-04-28 04:58:42

○A13.107.226.692026-04-24 → 2026-04-24 · 4 obs

○ 2026-04-24 18:08:46
● 2026-04-24 18:40:32
○ 2026-04-24 20:30:50
○ 2026-04-28 04:58:42

●A13.107.246.402026-04-25 → 2026-04-28 · 22 obs

○A13.107.253.672026-04-27 → 2026-04-27 · 4 obs

○ 2026-04-27 19:17:14
● 2026-04-27 22:04:00
○ 2026-04-27 22:41:28
○ 2026-04-28 04:58:42

○A13.107.253.692026-04-24 → 2026-04-24 · 4 obs

○ 2026-04-24 18:08:46
● 2026-04-24 18:40:32
○ 2026-04-24 20:30:50
○ 2026-04-28 04:58:42

○A150.171.109.1452026-04-24 → 2026-04-27 · 7 obs

○ 2026-04-24 20:30:50
● 2026-04-24 21:36:06
○ 2026-04-24 22:51:20
○ 2026-04-27 06:25:38
● 2026-04-27 09:17:48
○ 2026-04-27 11:04:02
○ 2026-04-28 04:58:42

○A150.171.109.1462026-04-25 → 2026-04-28 · 10 obs

○ 2026-04-25 08:35:04
● 2026-04-25 09:29:40
○ 2026-04-25 10:26:26
○ 2026-04-27 11:04:02
● 2026-04-27 14:13:08
○ 2026-04-27 15:18:00
○ 2026-04-28 00:30:10
● 2026-04-28 02:44:58
○ 2026-04-28 03:16:44
○ 2026-04-28 04:58:42

○A150.171.109.1472026-04-24 → 2026-04-27 · 13 obs

○ 2017-06-01 19:26:02
● 2026-04-24 16:53:58
○ 2026-04-24 18:08:46
○ 2026-04-26 12:56:16
● 2026-04-26 13:52:06
○ 2026-04-26 14:51:22
○ 2026-04-26 20:15:40
● 2026-04-26 21:09:36
○ 2026-04-26 21:40:48
○ 2026-04-27 02:51:08
● 2026-04-27 05:28:12
○ 2026-04-27 06:25:38
○ 2026-04-28 04:58:42

○A150.171.109.1502026-04-24 → 2026-04-27 · 15 obs

○ 2026-04-24 16:53:58
● 2026-04-24 18:08:46
○ 2026-04-24 18:40:32
○ 2026-04-25 00:21:18
● 2026-04-25 02:17:40
○ 2026-04-25 06:20:48
● 2026-04-25 07:53:20
○ 2026-04-25 08:35:04
○ 2026-04-26 07:54:30
● 2026-04-26 08:26:10
○ 2026-04-26 10:29:42
○ 2026-04-27 02:17:20
● 2026-04-27 02:51:08
○ 2026-04-27 05:28:12
○ 2026-04-28 04:58:42

○A150.171.109.332026-04-24 → 2026-04-26 · 19 obs

○ 2026-04-24 18:40:32
● 2026-04-24 20:30:50
○ 2026-04-24 21:36:06
○ 2026-04-24 23:42:08
● 2026-04-25 00:21:18
○ 2026-04-25 02:17:40
○ 2026-04-25 07:53:20
● 2026-04-25 08:35:04
○ 2026-04-25 09:29:40
○ 2026-04-25 22:39:24
● 2026-04-25 23:37:50
○ 2026-04-26 00:16:00
○ 2026-04-26 07:18:18
● 2026-04-26 07:54:30
○ 2026-04-26 08:26:10
○ 2026-04-26 19:18:50
● 2026-04-26 20:15:40
○ 2026-04-26 21:09:36
○ 2026-04-28 04:58:42

○A150.171.109.342026-04-24 → 2026-04-28 · 28 obs

○ 2026-04-24 21:36:06
● 2026-04-24 22:51:20
○ 2026-04-24 23:42:08
○ 2026-04-25 09:29:40
● 2026-04-25 10:26:26
● 2026-04-25 14:12:52
○ 2026-04-25 15:36:38
○ 2026-04-26 00:16:00
● 2026-04-26 03:27:50
● 2026-04-26 04:11:32
○ 2026-04-26 06:39:38
○ 2026-04-26 13:52:06
● 2026-04-26 14:51:22
● 2026-04-26 15:21:48
○ 2026-04-26 15:52:40
● 2026-04-26 16:24:16
● 2026-04-26 18:44:04
○ 2026-04-26 19:18:50
○ 2026-04-27 00:28:38
● 2026-04-27 02:17:20
○ 2026-04-27 02:51:08
○ 2026-04-27 14:13:08
● 2026-04-27 15:18:00
○ 2026-04-27 16:03:46
○ 2026-04-28 02:44:58
● 2026-04-28 03:16:44
○ 2026-04-28 04:06:32
○ 2026-04-28 04:58:42

○A150.171.109.352026-04-24 → 2026-04-27 · 29 obs

○ 2026-04-24 22:51:20
● 2026-04-24 23:42:08
○ 2026-04-25 00:21:18
○ 2026-04-25 14:12:52
● 2026-04-25 15:36:38
○ 2026-04-25 16:06:46
● 2026-04-25 16:44:16
○ 2026-04-25 19:24:16
○ 2026-04-25 23:37:50
● 2026-04-26 00:16:00
○ 2026-04-26 03:27:50
○ 2026-04-26 04:11:32
● 2026-04-26 06:39:38
○ 2026-04-26 07:18:18
○ 2026-04-26 08:26:10
● 2026-04-26 10:29:42
○ 2026-04-26 12:56:16
○ 2026-04-26 18:44:04
● 2026-04-26 19:18:50
○ 2026-04-26 20:15:40
○ 2026-04-26 21:09:36
● 2026-04-26 21:40:48
○ 2026-04-26 23:37:14
○ 2026-04-27 15:18:00
● 2026-04-27 16:03:46
○ 2026-04-27 16:35:48
● 2026-04-27 18:22:36
○ 2026-04-27 19:17:14
○ 2026-04-28 04:58:42

○A150.171.109.362026-04-25 → 2026-04-27 · 27 obs

○ 2026-04-25 15:36:38
● 2026-04-25 16:06:46
○ 2026-04-25 16:44:16
○ 2026-04-25 20:42:28
● 2026-04-25 22:39:24
○ 2026-04-25 23:37:50
○ 2026-04-26 06:39:38
● 2026-04-26 07:18:18
○ 2026-04-26 07:54:30
○ 2026-04-26 10:29:42
● 2026-04-26 12:56:16
○ 2026-04-26 13:52:06
○ 2026-04-26 15:21:48
● 2026-04-26 15:52:40
○ 2026-04-26 16:24:16
○ 2026-04-26 21:40:48
● 2026-04-26 23:37:14
○ 2026-04-27 00:28:38
○ 2026-04-27 09:17:48
● 2026-04-27 11:04:02
○ 2026-04-27 14:13:08
○ 2026-04-27 18:22:36
● 2026-04-27 19:17:14
○ 2026-04-27 22:04:00
● 2026-04-27 22:41:28
○ 2026-04-27 23:46:02
○ 2026-04-28 04:58:42

○A150.171.110.1462026-04-25 → 2026-04-25 · 4 obs

○ 2026-04-25 16:44:16
● 2026-04-25 19:24:16
○ 2026-04-25 20:42:28
○ 2026-04-28 04:58:42

○A200.170.82.1822015-08-18 → 2017-06-01 · 4 obs

● 2015-08-18 14:40:36
● 2017-06-01 19:26:02
○ 2026-04-24 16:53:58
○ 2026-04-28 04:58:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
br	b.dns.br, d.dns.br, a.dns.br, e.dns.br...	-
acrefi.org.br	ns1-02.azure-dns.com, ns2-02.azure-dns.net, ns3-02.azure-dns.org, ns4-02.azure-dns.info	-

✅ Authoritative Response

Server:208.84.5.2

NS records: ns1-02.azure-dns.com, ns2-02.azure-dns.net, ns3-02.azure-dns.org, ns4-02.azure-dns.info

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for acrefi.org.br (unsigned zone)

⏱️ Timing

Total: 882ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`13.107.213.40, 13.107.246.40`
NS	4	`ns1-02.azure-dns.com, ns2-02.azure-dns.net...`
MX	1	`acrefi-org-br.mail.protection.outlook.co`
TXT	3	`MS=ms94783621, v=spf1 include:spf.protection.outlook.co...`
SOA	1	`ns1-02.azure-dns.com azuredns-hostmaster`

Analysis

IP Addresses

acrefi.org.br has two IP numbers: 13.107.213.40 and 13.107.246.40.

Other host names, for instance staging.degreed.com, myeber.edu.jm, tejasoffice.com, hepatichealth.com and cenit-transporte.com share IP numbers with acrefi.org.br.

Name Servers

acrefi.org.br delegates to four name servers: ns1-02.azure-dns.com, ns4-02.azure-dns.info, ns2-02.azure-dns.net and ns3-02.azure-dns.org.

acrefi.org.br at least partially shares name servers with other domains, including garagentore-hamburg.de, aspire401k.com, tendom.ru, tompriceshs.wa.edu.au and l-r.us.

Host names with two IP numbers: ns1-02.azure-dns.com points to 2603:1061:0:700::2 and 13.107.236.2; ns4-02.azure-dns.info points to 2620:1ec:bda:700::2 and 208.84.5.2; ns2-02.azure-dns.net points to 2620:1ec:8ec:700::2 and 150.171.21.2; ns3-02.azure-dns.org points to 2a01:111:4000:700::2 and 204.14.183.2.

Mail Servers

A single mail server handles acrefi.org.br, acrefi-org-br.mail.protection.outlook.com.

Host acrefi-org-br.mail.protection.outlook.com points to eight IPs: 2a01:111:f403:c94a::, 2a01:111:f403:c94a::1, 2a01:111:f403:c94a::2, 2a01:111:f403:c94c::, 52.101.198.0, 52.101.198.1, 52.101.198.38 and 52.101.200.0.

acrefi.org.br - robtex.com

acrefi.org.br

org.br

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`acrefi.org.br`

`org.br`