back.eng.br - robtex.com

back.eng.br

DNSSEC⚠️ Not signed
A2606:4700:3030::ac43:b3e4🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::6815:2844🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.40.68Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.179.228🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSgreg.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3b73🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRgreg.ns.cloudflare.com
A2803:f800:50::6ca2:c173🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRgreg.ns.cloudflare.com
A2a06:98c1:50::ac40:2173🇺🇸 Cloudflare2a06:98c1:50::/45
PTRgreg.ns.cloudflare.com
A108.162.193.115🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRgreg.ns.cloudflare.com
A172.64.33.115🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRgreg.ns.cloudflare.com
A173.245.59.115🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRgreg.ns.cloudflare.com
NSlady.ns.cloudflare.com
A2606:4700:50::adf5:3a7f🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlady.ns.cloudflare.com
A2803:f800:50::6ca2:c07f🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRlady.ns.cloudflare.com
A2a06:98c1:50::ac40:207f🇺🇸 Cloudflare2a06:98c1:50::/45
PTRlady.ns.cloudflare.com
A108.162.192.127🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlady.ns.cloudflare.com
A172.64.32.127🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlady.ns.cloudflare.com
A173.245.58.127🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlady.ns.cloudflare.com
MXback-eng-br.mail.protection.outlook.com ⭐
A2a01:111:f403:c902::🇺🇸 Microsoft2a01:111:f000::/36
PTRmail-sj2pr05cu00300.inbound.protection.outlook.com
A2a01:111:f403:c902::2🇺🇸 Microsoft2a01:111:f000::/36
PTRmail-sj0pr03cu01602.inbound.protection.outlook.com
A2a01:111:f403:c946::5🇺🇸 Microsoft2a01:111:f000::/36
PTRmail-ch4pr21cu00105.inbound.protection.outlook.com
A2a01:111:f403:f901::1🇺🇸 Microsoft2a01:111:f000::/36
PTRmail-bl0pr02cu00601.inbound.protection.outlook.com
A40.93.192.4🇺🇸 Microsoft40.80.0.0/12
PTRmail-dm2pr04cu00404.inbound.protection.outlook.com
A52.101.8.42🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-dm6pr03cu00402.inbound.protection.outlook.com
A52.101.8.46🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-dm6pr05cu00406.inbound.protection.outlook.com
A52.101.9.12🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-bl0pr05cu00504.inbound.protection.outlook.com
TXTv=spf1 include:spf.protection.outlook.com -all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.40.68, 172.67.179.228
IPv62606:4700:3030::ac43:b3e4, 2606:4700:3036::6815:2844
SOAgreg.ns.cloudflare.comdns@cloudflare.com serial=2396777041

eng.br

DNSSEC⚠️ Not signed
NSa.dns.br ⭐ ⚠️ Not in parent delegation
NSb.dns.br ⚠️ Not in parent delegation
NSc.dns.br ⚠️ Not in parent delegation
NSd.dns.br ⚠️ Not in parent delegation
NSe.dns.br ⚠️ Not in parent delegation
NSf.dns.br ⚠️ Not in parent delegation
SOAa.dns.brhostmaster@registro.br 2026-09-10 #8
rank #11477 globally
rank #88 in the tld
This domain name "eng.br" represents websites in Brazil (as indicated by 'br') that are related to engineering (as indicated by 'eng'). It is used by individuals, businesses, or organizations that are associated with the field of engineering. This could include engineering firms, educational institutions offering engineering courses, or professional engineers showcasing their work.WOT: SAFE (28/100)

Same first word

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back.ee
back.cz
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back.app
back.agency
back.cn
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back.eu
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back.im
back.biz
back.cf
back.show
back.pl
back.red
back.com.cn
back.name
back.in
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DNS History

27 records (7 active, 20 former)

20162017201820192020202120222023202420252026NSgreg.ns.cloudflare.comlady.ns.cloudflare.comns1.alohaimoveis.com.brns1.alohin.com.brns2.alohaimoveis.com.brns2.alohin.com.brnsb1.k8.com.brnsb2.k8.com.brnsb3.k8.com.brnsb4.k8.com.brnsb5.k8.com.brnsb6.k8.com.brMXback-eng-br.mail.protection.outlook.comsmtptin1.f1.k8.com.brA104.21.40.68172.67.179.2282606:4700:3030::ac43:b3e42606:4700:3036::6815:2844177.71.180.6823.92.31.15145.79.176.14146.137.243.6050.116.53.18754.228.191.9454.232.113.8154.241.33.22354.83.41.193
●NSgreg.ns.cloudflare.com2026-03-30 → 2026-04-01 · 3 obs
○ 2017-09-21 20:38:18
● 2026-03-30 16:11:22
● 2026-04-01 00:29:26
●NSlady.ns.cloudflare.com2026-03-30 → 2026-04-01 · 3 obs
○ 2017-09-21 20:38:18
● 2026-03-30 16:11:22
● 2026-04-01 00:29:26
○NSns1.alohaimoveis.com.br2015-11-11 → 2016-12-24 · 5 obs
○ 2015-07-05 12:45:08
● 2015-11-11 18:49:30
● 2016-12-24 23:34:54
○ 2017-08-23 02:48:56
○ 2026-04-01 00:29:26
○NSns1.alohin.com.br2017-08-23 → 2017-09-21 · 5 obs
○ 2016-12-24 23:34:54
● 2017-08-23 02:48:56
● 2017-09-21 20:38:18
○ 2026-03-30 16:11:22
○ 2026-04-01 00:29:26
○NSns2.alohaimoveis.com.br2015-11-11 → 2016-12-24 · 5 obs
○ 2015-07-05 12:45:08
● 2015-11-11 18:49:30
● 2016-12-24 23:34:54
○ 2017-08-23 02:48:56
○ 2026-04-01 00:29:26
○NSns2.alohin.com.br2017-08-23 → 2017-09-21 · 5 obs
○ 2016-12-24 23:34:54
● 2017-08-23 02:48:56
● 2017-09-21 20:38:18
○ 2026-03-30 16:11:22
○ 2026-04-01 00:29:26
○NSnsb1.k8.com.br2015-07-05 → 2015-07-05 · 3 obs
● 2015-07-05 12:45:08
○ 2015-11-11 18:49:30
○ 2026-04-01 00:29:26
○NSnsb2.k8.com.br2015-07-05 → 2015-07-05 · 3 obs
● 2015-07-05 12:45:08
○ 2015-11-11 18:49:30
○ 2026-04-01 00:29:26
○NSnsb3.k8.com.br2015-07-05 → 2015-07-05 · 3 obs
● 2015-07-05 12:45:08
○ 2015-11-11 18:49:30
○ 2026-04-01 00:29:26
○NSnsb4.k8.com.br2015-07-05 → 2015-07-05 · 3 obs
● 2015-07-05 12:45:08
○ 2015-11-11 18:49:30
○ 2026-04-01 00:29:26
○NSnsb5.k8.com.br2015-07-05 → 2015-07-05 · 3 obs
● 2015-07-05 12:45:08
○ 2015-11-11 18:49:30
○ 2026-04-01 00:29:26
○NSnsb6.k8.com.br2015-07-05 → 2015-07-05 · 3 obs
● 2015-07-05 12:45:08
○ 2015-11-11 18:49:30
○ 2026-04-01 00:29:26
●MXback-eng-br.mail.protection.outlook.com2017-08-23 → 2026-04-01 · 3 obs
○ 2015-07-05 12:45:08
● 2017-08-23 02:48:56
● 2026-04-01 00:29:26
○MXsmtptin1.f1.k8.com.br2015-07-05 → 2017-09-21 · 4 obs
● 2015-07-05 12:45:08
● 2017-09-21 20:38:18
○ 2026-03-30 16:11:22
○ 2026-04-01 00:29:26
●A104.21.40.682026-03-30 → 2026-04-01 · 3 obs
○ 2017-09-21 20:38:18
● 2026-03-30 16:11:22
● 2026-04-01 00:29:26
●A172.67.179.2282026-03-30 → 2026-04-01 · 3 obs
○ 2017-09-21 20:38:18
● 2026-03-30 16:11:22
● 2026-04-01 00:29:26
○A177.71.180.682015-07-05 → 2015-07-05 · 3 obs
● 2015-07-05 12:45:08
○ 2015-11-11 18:49:30
○ 2026-04-01 00:29:26
○A23.92.31.1512015-11-11 → 2015-11-11 · 4 obs
○ 2015-07-05 12:45:08
● 2015-11-11 18:49:30
○ 2016-03-03 08:02:20
○ 2026-04-01 00:29:26
●A2606:4700:3030::ac43:b3e42026-03-30 → 2026-04-01 · 3 obs
○ 2017-09-21 20:38:18
● 2026-03-30 16:11:22
● 2026-04-01 00:29:26
●A2606:4700:3036::6815:28442026-03-30 → 2026-04-01 · 3 obs
○ 2017-09-21 20:38:18
● 2026-03-30 16:11:22
● 2026-04-01 00:29:26
○A45.79.176.1412016-03-03 → 2016-12-24 · 5 obs
○ 2015-11-11 18:49:30
● 2016-03-03 08:02:20
● 2016-12-24 23:34:54
○ 2017-08-23 02:48:56
○ 2026-04-01 00:29:26
○A46.137.243.602015-07-05 → 2015-07-05 · 3 obs
● 2015-07-05 12:45:08
○ 2015-11-11 18:49:30
○ 2026-04-01 00:29:26
○A50.116.53.1872017-08-23 → 2017-09-21 · 5 obs
○ 2016-12-24 23:34:54
● 2017-08-23 02:48:56
● 2017-09-21 20:38:18
○ 2026-03-30 16:11:22
○ 2026-04-01 00:29:26
○A54.228.191.942015-07-05 → 2015-07-05 · 3 obs
● 2015-07-05 12:45:08
○ 2015-11-11 18:49:30
○ 2026-04-01 00:29:26
○A54.232.113.812015-07-05 → 2015-07-05 · 3 obs
● 2015-07-05 12:45:08
○ 2015-11-11 18:49:30
○ 2026-04-01 00:29:26
○A54.241.33.2232015-07-05 → 2015-07-05 · 3 obs
● 2015-07-05 12:45:08
○ 2015-11-11 18:49:30
○ 2026-04-01 00:29:26
○A54.83.41.1932015-07-05 → 2015-07-05 · 3 obs
● 2015-07-05 12:45:08
○ 2015-11-11 18:49:30
○ 2026-04-01 00:29:26

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
brf.dns.br, d.dns.br, b.dns.br, e.dns.br...-
back.eng.brlady.ns.cloudflare.com, greg.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.193.115

NS records: lady.ns.cloudflare.com, greg.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for back.eng.br (unsigned zone)

⏱️ Timing

Total: 528ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.179.228, 104.21.40.68
AAAA22606:4700:3030::ac43:b3e4, 2606:4700:3036::6815:2844
NS2greg.ns.cloudflare.com, lady.ns.cloudflare.com
MX1back-eng-br.mail.protection.outlook.com
TXT1v=spf1 include:spf.protection.outlook.co
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1greg.ns.cloudflare.com dns.cloudflare.co

Analysis

IP Addresses

back.eng.br points to four IP numbers: 2606:4700:3030::ac43:b3e4, 2606:4700:3036::6815:2844, 104.21.40.68 and 172.67.179.228.

Other host names, for instance pesiec.com, raydictionary.com, zeedirectory.com, ceramica700veneto.altervista.org.cdn.cloudflare.net and xym9.com share IP numbers with back.eng.br.

Name Servers

Delegation for back.eng.br rests with two name servers, greg.ns.cloudflare.com and lady.ns.cloudflare.com.

back.eng.br shares the same name server setup as other domains, including marbledealer.com, vilelaimobiliaria.com.br, bluesoze.live, bunniegirl.com and tkimoveis.com.br.

back.eng.br at least partially shares name servers with other domains, for instance sterlingholidays.com, chippenham-vw-centre.com, foodnme.com, westannouncements.com.au and dailyapi.com.

These name servers are commonly used with the name servers norm.ns.cloudflare.com.

Host names with six IP numbers: greg.ns.cloudflare.com points to: 2606:4700:58::adf5:3b73, 2803:f800:50::6ca2:c173, 2a06:98c1:50::ac40:2173, 108.162.193.115, 172.64.33.115 and 173.245.59.115. lady.ns.cloudflare.com points to: 2606:4700:50::adf5:3a7f, 2803:f800:50::6ca2:c07f, 2a06:98c1:50::ac40:207f, 108.162.192.127, 172.64.32.127 and 173.245.58.127.

Mail Servers

back.eng.br is handled by a single mail server, back-eng-br.mail.protection.outlook.com.

back-eng-br.mail.protection.outlook.com resolves to eight IP addresses: 2a01:111:f403:c902::, 2a01:111:f403:c902::2, 2a01:111:f403:c946::5, 2a01:111:f403:f901::1, 40.93.192.4, 52.101.8.42, 52.101.8.46 and 52.101.9.12.