a7system.com.br - robtex.com

a7system.com.br

DNSSEC⚠️ Not signed
A2606:4700:3036::6815:2102🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::ac43:8b31🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.33.2Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.139.49🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSduke.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3b6e🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRduke.ns.cloudflare.com
A2803:f800:50::6ca2:c16e🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRduke.ns.cloudflare.com
A2a06:98c1:50::ac40:216e🇺🇸 Cloudflare2a06:98c1:50::/45
PTRduke.ns.cloudflare.com
A108.162.193.110🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRduke.ns.cloudflare.com
A172.64.33.110🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRduke.ns.cloudflare.com
A173.245.59.110🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRduke.ns.cloudflare.com
NSgina.ns.cloudflare.com
A2606:4700:50::adf5:3a75🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRgina.ns.cloudflare.com
A2803:f800:50::6ca2:c075🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRgina.ns.cloudflare.com
A2a06:98c1:50::ac40:2075🇺🇸 Cloudflare2a06:98c1:50::/45
PTRgina.ns.cloudflare.com
A108.162.192.117🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRgina.ns.cloudflare.com
A172.64.32.117🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRgina.ns.cloudflare.com
A173.245.58.117🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRgina.ns.cloudflare.com
MXmx364.umbler.com ⭐
A177.55.120.51🇧🇷 UNSPECIFIED177.55.112.0/20
PTRmx.umbler.com
A177.55.120.53🇧🇷 UNSPECIFIED177.55.112.0/20
PTRmx.umbler.com
A187.84.237.180🇧🇷 UNSPECIFIED187.84.236.0/23
PTRmx.umbler.com
A187.84.237.189🇧🇷 UNSPECIFIED187.84.236.0/23
PTRmx.umbler.com
MXmx128.umbler.in(20)
A177.55.120.51🇧🇷 UNSPECIFIED177.55.112.0/20
PTRmx.umbler.com
A177.55.120.53🇧🇷 UNSPECIFIED177.55.112.0/20
PTRmx.umbler.com
A187.84.237.180🇧🇷 UNSPECIFIED187.84.236.0/23
PTRmx.umbler.com
A187.84.237.189🇧🇷 UNSPECIFIED187.84.236.0/23
PTRmx.umbler.com
MXmx783.umbler.com.br(30)
A177.55.120.51🇧🇷 UNSPECIFIED177.55.112.0/20
PTRmx.umbler.com
A177.55.120.53🇧🇷 UNSPECIFIED177.55.112.0/20
PTRmx.umbler.com
A187.84.237.180🇧🇷 UNSPECIFIED187.84.236.0/23
PTRmx.umbler.com
A187.84.237.189🇧🇷 UNSPECIFIED187.84.236.0/23
PTRmx.umbler.com
MXmx240.umbler.co.uk(40)
A177.55.120.51🇧🇷 UNSPECIFIED177.55.112.0/20
PTRmx.umbler.com
A177.55.120.53🇧🇷 UNSPECIFIED177.55.112.0/20
PTRmx.umbler.com
A187.84.237.180🇧🇷 UNSPECIFIED187.84.236.0/23
PTRmx.umbler.com
A187.84.237.189🇧🇷 UNSPECIFIED187.84.236.0/23
PTRmx.umbler.com
TXTfacebook-domain-verification=02fc6xgaz18uvqro4a810wxri3n1u3
TXTv=spf1 include:spf.umbler.com ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.33.2, 172.67.139.49
IPv6 hints2606:4700:3036::6815:2102, 2606:4700:3036::ac43:8b31
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=137, name=cloudflare-ech.com
SOAduke.ns.cloudflare.comdns@cloudflare.com serial=2400473187

com.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 2026-10-24 #62
rank #536177 globally
rank #3972 in the tld
WOT: SAFE (69/100)

Previously MX for

a7system.com.br

Same first word

a7system.com.br

DNS History

20 records (10 active, 10 former)

20162017201820192020202120222023202420252026NSduke.ns.cloudflare.comgina.ns.cloudflare.comns81.domaincontrol.comns82.domaincontrol.comns8331.hostgator.comns8332.hostgator.comMXmx128.umbler.inmx240.umbler.co.ukmx364.umbler.commx783.umbler.com.bra7system.com.brmail.a7system.com.brA104.21.33.2172.67.139.492606:4700:3036::6815:21022606:4700:3036::ac43:8b31107.180.21.17107.180.48.87108.167.140.94160.153.32.39
●NSduke.ns.cloudflare.com2026-02-18 → 2026-04-12 · 3 obs
○ 2018-01-17 12:24:46
● 2026-02-18 14:16:38
● 2026-04-12 19:27:48
●NSgina.ns.cloudflare.com2026-02-18 → 2026-04-12 · 3 obs
○ 2018-01-17 12:24:46
● 2026-02-18 14:16:38
● 2026-04-12 19:27:48
○NSns81.domaincontrol.com2015-11-09 → 2018-01-17 · 5 obs
○ 2015-06-20 14:12:54
● 2015-11-09 05:44:20
● 2018-01-17 12:24:46
○ 2026-02-18 14:16:38
○ 2026-04-12 19:27:48
○NSns82.domaincontrol.com2015-11-09 → 2018-01-17 · 5 obs
○ 2015-06-20 14:12:54
● 2015-11-09 05:44:20
● 2018-01-17 12:24:46
○ 2026-02-18 14:16:38
○ 2026-04-12 19:27:48
○NSns8331.hostgator.com2015-06-20 → 2015-06-20 · 3 obs
● 2015-06-20 14:12:54
○ 2015-11-09 05:44:20
○ 2026-04-12 19:27:48
○NSns8332.hostgator.com2015-06-20 → 2015-06-20 · 3 obs
● 2015-06-20 14:12:54
○ 2015-11-09 05:44:20
○ 2026-04-12 19:27:48
○MXa7system.com.br2015-06-20 → 2015-06-20 · 3 obs
● 2015-06-20 14:12:54
○ 2015-11-09 05:44:20
○ 2026-04-12 19:27:48
○MXmail.a7system.com.br2015-11-09 → 2018-01-17 · 5 obs
○ 2015-06-20 14:12:54
● 2015-11-09 05:44:20
● 2018-01-17 12:24:46
○ 2026-02-18 14:16:38
○ 2026-04-12 19:27:48
●MXmx128.umbler.in2026-02-18 → 2026-04-12 · 3 obs
○ 2018-01-17 12:24:46
● 2026-02-18 14:16:38
● 2026-04-12 19:27:48
●MXmx240.umbler.co.uk2026-02-18 → 2026-04-12 · 3 obs
○ 2018-01-17 12:24:46
● 2026-02-18 14:16:38
● 2026-04-12 19:27:48
●MXmx364.umbler.com2026-02-18 → 2026-04-12 · 3 obs
○ 2018-01-17 12:24:46
● 2026-02-18 14:16:38
● 2026-04-12 19:27:48
●MXmx783.umbler.com.br2026-02-18 → 2026-04-12 · 3 obs
○ 2018-01-17 12:24:46
● 2026-02-18 14:16:38
● 2026-04-12 19:27:48
●A104.21.33.22026-02-18 → 2026-04-12 · 3 obs
○ 2018-01-17 12:24:46
● 2026-02-18 14:16:38
● 2026-04-12 19:27:48
○A107.180.21.172015-11-09 → 2016-04-23 · 5 obs
○ 2015-06-20 14:12:54
● 2015-11-09 05:44:20
● 2016-04-23 10:22:54
○ 2016-12-31 13:07:24
○ 2026-04-12 19:27:48
○A107.180.48.872016-12-31 → 2016-12-31 · 4 obs
○ 2016-04-23 10:22:54
● 2016-12-31 13:07:24
○ 2018-01-17 12:24:46
○ 2026-04-12 19:27:48
○A108.167.140.942015-06-20 → 2015-06-20 · 3 obs
● 2015-06-20 14:12:54
○ 2015-11-09 05:44:20
○ 2026-04-12 19:27:48
○A160.153.32.392018-01-17 → 2018-01-17 · 4 obs
○ 2016-12-31 13:07:24
● 2018-01-17 12:24:46
○ 2026-02-18 14:16:38
○ 2026-04-12 19:27:48
●A172.67.139.492026-02-18 → 2026-04-12 · 3 obs
○ 2018-01-17 12:24:46
● 2026-02-18 14:16:38
● 2026-04-12 19:27:48
●A2606:4700:3036::6815:21022026-02-18 → 2026-04-12 · 3 obs
○ 2018-01-17 12:24:46
● 2026-02-18 14:16:38
● 2026-04-12 19:27:48
●A2606:4700:3036::ac43:8b312026-02-18 → 2026-04-12 · 3 obs
○ 2018-01-17 12:24:46
● 2026-02-18 14:16:38
● 2026-04-12 19:27:48

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
bra.dns.br, b.dns.br, c.dns.br, d.dns.br...-
a7system.com.brduke.ns.cloudflare.com, gina.ns.cloudflare.com-

✅ Authoritative Response

Server:173.245.58.117

NS records: duke.ns.cloudflare.com, gina.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for a7system.com.br (unsigned zone)

⏱️ Timing

Total: 963ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.33.2, 172.67.139.49
AAAA22606:4700:3036::6815:2102, 2606:4700:3036::ac43:8b31
NS2duke.ns.cloudflare.com, gina.ns.cloudflare.com
MX4mx364.umbler.com (pri: 10), mx128.umbler.in (pri: 20)...
TXT2facebook-domain-verification=02fc6xgaz18, v=spf1 include:spf.umbler.com ~all
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1duke.ns.cloudflare.com dns.cloudflare.co

Analysis

IP Addresses

a7system.com.br maps to four IP numbers: 2606:4700:3036::6815:2102, 2606:4700:3036::ac43:8b31, 104.21.33.2 and 172.67.139.49.

other host names include mail.uwgla.net, sxlxyz.com, www.as211684.de, binayaksen.net and noithattvp.vn; they share IP numbers with a7system.com.br.

Name Servers

Two name servers duke.ns.cloudflare.com and gina.ns.cloudflare.com handle the delegation for a7system.com.br.

a7system.com.br shares the same name server setup as other domains, for instance golbmecixo.ink, jeffjk.me, ajorel.com, chroum.com and smart-city.com.ua.

a7system.com.br at least partially shares name servers with other domains, for instance kurdnic.com, hb55.cc, ha-han.com.tw, qq913.com and mlab-ymf.org.

These name servers are commonly used with the following: pablo.ns.cloudflare.com, anderson.ns.cloudflare.com, mark.ns.cloudflare.com and martha.ns.cloudflare.com.

Six IP addresses per host:

duke.ns.cloudflare.com points to 2606:4700:58::adf5:3b6e, 2803:f800:50::6ca2:c16e, 2a06:98c1:50::ac40:216e, 108.162.193.110, 172.64.33.110 and 173.245.59.110; gina.ns.cloudflare.com points to 2606:4700:50::adf5:3a75, 2803:f800:50::6ca2:c075, 2a06:98c1:50::ac40:2075, 108.162.192.117, 172.64.32.117 and 173.245.58.117

Mail Servers

a7system.com.br is handled by four mail servers: mx364.umbler.com, mx128.umbler.in, mx783.umbler.com.br and mx240.umbler.co.uk.

a7system.com.br shares at least partially some mail servers with other domains, for instance costaneto.net, grupophoto.com.br, minervaesportes.com.br, conatuspsi.com and mercatoemcasa.com.br.

Host names with four IPs

The host names mx364.umbler.com, mx128.umbler.in, mx783.umbler.com.br and mx240.umbler.co.uk point to: 177.55.120.51, 177.55.120.53, 187.84.237.180 and 187.84.237.189.

Host names that point to 177.55.120.51: mx364.umbler.com, mx128.umbler.in, mx783.umbler.com.br and mx240.umbler.co.uk.

Host names that point to 177.55.120.53: mx364.umbler.com, mx128.umbler.in, mx783.umbler.com.br and mx240.umbler.co.uk.

Host names that point to 187.84.237.180: mx364.umbler.com, mx128.umbler.in, mx783.umbler.com.br and mx240.umbler.co.uk.

Host names that point to 187.84.237.189: mx364.umbler.com, mx128.umbler.in, mx783.umbler.com.br and mx240.umbler.co.uk.