`a2tech.com.br`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::ac43:91be^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::6815:4f87^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.79.135^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.145.190^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`bingo.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:2624^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bingo.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c224^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`bingo.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2224^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`bingo.ns.cloudflare.com`
		A	108.162.194.36^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bingo.ns.cloudflare.com`
		A	162.159.38.36^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bingo.ns.cloudflare.com`
		A	172.64.34.36^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bingo.ns.cloudflare.com`
NS	`chad.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b52^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`chad.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c152^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`chad.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2152^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`chad.ns.cloudflare.com`
		A	108.162.193.82^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`chad.ns.cloudflare.com`
		A	172.64.33.82^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`chad.ns.cloudflare.com`
		A	173.245.59.82^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`chad.ns.cloudflare.com`
MX	`mx364.umbler.com` ⭐
		A	177.55.120.51^{🇧🇷 UNSPECIFIED177.55.112.0/20}
			PTR	`mx.umbler.com`
		A	177.55.120.53^{🇧🇷 UNSPECIFIED177.55.112.0/20}
			PTR	`mx.umbler.com`
		A	187.84.237.180^{🇧🇷 UNSPECIFIED187.84.236.0/23}
			PTR	`mx.umbler.com`
		A	187.84.237.189^{🇧🇷 UNSPECIFIED187.84.236.0/23}
			PTR	`mx.umbler.com`
MX	`mx128.umbler.in`⁽²⁰⁾
		A	177.55.120.51^{🇧🇷 UNSPECIFIED177.55.112.0/20}
			PTR	`mx.umbler.com`
		A	177.55.120.53^{🇧🇷 UNSPECIFIED177.55.112.0/20}
			PTR	`mx.umbler.com`
		A	187.84.237.180^{🇧🇷 UNSPECIFIED187.84.236.0/23}
			PTR	`mx.umbler.com`
		A	187.84.237.189^{🇧🇷 UNSPECIFIED187.84.236.0/23}
			PTR	`mx.umbler.com`
MX	`mx783.umbler.com.br`⁽³⁰⁾
		A	177.55.120.51^{🇧🇷 UNSPECIFIED177.55.112.0/20}
			PTR	`mx.umbler.com`
		A	177.55.120.53^{🇧🇷 UNSPECIFIED177.55.112.0/20}
			PTR	`mx.umbler.com`
		A	187.84.237.180^{🇧🇷 UNSPECIFIED187.84.236.0/23}
			PTR	`mx.umbler.com`
		A	187.84.237.189^{🇧🇷 UNSPECIFIED187.84.236.0/23}
			PTR	`mx.umbler.com`
MX	`mx240.umbler.co.uk`⁽⁴⁰⁾
		A	177.55.120.51^{🇧🇷 UNSPECIFIED177.55.112.0/20}
			PTR	`mx.umbler.com`
		A	177.55.120.53^{🇧🇷 UNSPECIFIED177.55.112.0/20}
			PTR	`mx.umbler.com`
		A	187.84.237.180^{🇧🇷 UNSPECIFIED187.84.236.0/23}
			PTR	`mx.umbler.com`
		A	187.84.237.189^{🇧🇷 UNSPECIFIED187.84.236.0/23}
			PTR	`mx.umbler.com`
TXT	`v=spf1 include:spf.umbler.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.79.135, 172.67.145.190
		IPv6 hints	2606:4700:3031::ac43:91be, 2606:4700:3035::6815:4f87
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=156, name=cloudflare-ech.com
SOA	`bingo.ns.cloudflare.com`dns@cloudflare.com serial=2406619561

`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=2026198034

rank #509804 globally
rank #3761 in the tld
WOT: SAFE (69/100)

Previously MX for

a2tech.com.br

Same first word

a2tech.com.br

a2tech.ru

a2tech.com

a2tech.pl

a2tech.us

a2tech.de

a2tech.net

a2tech.ca

Similar names

2cheat.net

2cheat.com

atech2.com

2teach.eu

2teach.ai

2atech.com.br

2teach.es

cheat2.com

2atech.fr

thea2c.com

teach2.be

atech2.se

teach2.com

2teach.nl

2teach.com

e2chat.com

2teach.net

2teach.ru

2atech.com

DNS History

23 records (10 active, 13 former)

○NSb.sec.dns.br2016-07-11 → 2016-07-11 · 3 obs

● 2016-07-11 02:10:08
○ 2017-02-15 13:27:52
○ 2026-07-17 01:47:06

●NSbingo.ns.cloudflare.com2026-07-01 → 2026-07-17 · 3 obs

○ 2017-02-15 13:27:52
● 2026-07-01 09:39:10
● 2026-07-17 01:47:06

○NSc.sec.dns.br2016-07-11 → 2016-07-11 · 3 obs

● 2016-07-11 02:10:08
○ 2026-07-01 09:39:10
○ 2026-07-17 01:47:06

●NSchad.ns.cloudflare.com2026-07-01 → 2026-07-17 · 3 obs

○ 2017-02-15 13:27:52
● 2026-07-01 09:39:10
● 2026-07-17 01:47:06

○NSns1.a2tech.com.br2017-02-15 → 2017-02-15 · 4 obs

○ 2016-07-11 02:10:08
● 2017-02-15 13:27:52
○ 2026-07-01 09:39:10
○ 2026-07-17 01:47:06

○MXa2tech.com.br2017-02-15 → 2017-02-15 · 3 obs

● 2017-02-15 13:27:52
○ 2026-07-01 09:39:10
○ 2026-07-17 01:47:06

●MXmx128.umbler.in2026-07-01 → 2026-07-17 · 3 obs

○ 2017-02-15 13:27:52
● 2026-07-01 09:39:10
● 2026-07-17 01:47:06

●MXmx240.umbler.co.uk2026-07-01 → 2026-07-17 · 3 obs

○ 2017-02-15 13:27:52
● 2026-07-01 09:39:10
● 2026-07-17 01:47:06

●MXmx364.umbler.com2026-07-01 → 2026-07-17 · 3 obs

○ 2017-02-15 13:27:52
● 2026-07-01 09:39:10
● 2026-07-17 01:47:06

●MXmx783.umbler.com.br2026-07-01 → 2026-07-17 · 3 obs

○ 2017-02-15 13:27:52
● 2026-07-01 09:39:10
● 2026-07-17 01:47:06

●A104.21.79.1352026-07-01 → 2026-07-17 · 5 obs

○ 2017-02-15 13:27:52
● 2026-07-01 09:39:10
○ 2026-07-03 19:30:50
● 2026-07-04 06:51:04
● 2026-07-17 01:47:06

●A172.67.145.1902026-07-01 → 2026-07-17 · 5 obs

○ 2017-02-15 13:27:52
● 2026-07-01 09:39:10
○ 2026-07-03 19:30:50
● 2026-07-04 06:51:04
● 2026-07-17 01:47:06

○A186.250.244.1382017-02-15 → 2017-02-15 · 3 obs

● 2017-02-15 13:27:52
○ 2026-07-01 09:39:10
○ 2026-07-17 01:47:06

○A188.114.96.02026-07-03 → 2026-07-03 · 4 obs

○ 2026-07-03 19:30:50
● 2026-07-03 20:00:54
○ 2026-07-04 06:51:04
○ 2026-07-17 01:47:06

○A188.114.96.42026-07-03 → 2026-07-03 · 4 obs

○ 2026-07-01 09:39:10
● 2026-07-03 19:30:50
○ 2026-07-03 20:00:54
○ 2026-07-17 01:47:06

○A188.114.97.02026-07-03 → 2026-07-03 · 4 obs

○ 2026-07-03 19:30:50
● 2026-07-03 20:00:54
○ 2026-07-04 06:51:04
○ 2026-07-17 01:47:06

○A188.114.97.42026-07-03 → 2026-07-03 · 4 obs

○ 2026-07-01 09:39:10
● 2026-07-03 19:30:50
○ 2026-07-03 20:00:54
○ 2026-07-17 01:47:06

●A2606:4700:3031::ac43:91be2026-07-01 → 2026-07-17 · 5 obs

○ 2017-02-15 13:27:52
● 2026-07-01 09:39:10
○ 2026-07-03 19:30:50
● 2026-07-04 06:51:04
● 2026-07-17 01:47:06

●A2606:4700:3035::6815:4f872026-07-01 → 2026-07-17 · 5 obs

○ 2017-02-15 13:27:52
● 2026-07-01 09:39:10
○ 2026-07-03 19:30:50
● 2026-07-04 06:51:04
● 2026-07-17 01:47:06

○A2a06:98c1:3120::2026-07-03 → 2026-07-03 · 4 obs

○ 2026-07-03 19:30:50
● 2026-07-03 20:00:54
○ 2026-07-04 06:51:04
○ 2026-07-17 01:47:06

○A2a06:98c1:3120::42026-07-03 → 2026-07-03 · 4 obs

○ 2026-07-01 09:39:10
● 2026-07-03 19:30:50
○ 2026-07-03 20:00:54
○ 2026-07-17 01:47:06

○A2a06:98c1:3121::2026-07-03 → 2026-07-03 · 4 obs

○ 2026-07-03 19:30:50
● 2026-07-03 20:00:54
○ 2026-07-04 06:51:04
○ 2026-07-17 01:47:06

○A2a06:98c1:3121::42026-07-03 → 2026-07-03 · 4 obs

○ 2026-07-01 09:39:10
● 2026-07-03 19:30:50
○ 2026-07-03 20:00:54
○ 2026-07-17 01:47:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
br	f.dns.br, d.dns.br, b.dns.br, e.dns.br...	-
a2tech.com.br	chad.ns.cloudflare.com, bingo.ns.cloudflare.com	-

✅ Authoritative Response

Server:162.159.38.36

NS records: chad.ns.cloudflare.com, bingo.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for a2tech.com.br (unsigned zone)

⏱️ Timing

Total: 826ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.79.135, 172.67.145.190`
AAAA	2	`2606:4700:3035::6815:4f87, 2606:4700:3031::ac43:91be`
NS	2	`bingo.ns.cloudflare.com, chad.ns.cloudflare.com`
MX	4	`mx364.umbler.com (pri: 10), mx128.umbler.in (pri: 20)...`
TXT	1	`v=spf1 include:spf.umbler.com ~all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`bingo.ns.cloudflare.com dns.cloudflare.c`

Analysis

IP Addresses

a2tech.com.br resolves to four IP addresses: 104.21.79.135, 172.67.145.190, 2606:4700:3031::ac43:91be and 2606:4700:3035::6815:4f87.

05ka.cn, koora-live-ttv.space, 137.70-static.reverse.forum.twilightersanonymous.com and two other host names share IP numbers with a2tech.com.br.

Name Servers

a2tech.com.br has two authoritative name servers — bingo.ns.cloudflare.com and chad.ns.cloudflare.com.

a2tech.com.br uses the same name servers as several other domains — among them chvoda.ru, elvonalshorebirds.com, saddlerscottage.net and two more.

a2tech.com.br has at least partial name server overlap with other domains, such as quintela-e-reis.pt, 1winindir.com, invest-8dh.pages.dev and two others.

These name servers tend to appear together with the name servers cecelia.ns.cloudflare.com, nina.ns.cloudflare.com and guy.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

bingo.ns.cloudflare.com points to 108.162.194.36, 162.159.38.36, 172.64.34.36 and 3 other IP addresses.

chad.ns.cloudflare.com points to 108.162.193.82, 172.64.33.82, 173.245.59.82 and 3 other IP addresses.

Mail Servers

a2tech.com.br has four mail servers: mx364.umbler.com, mx128.umbler.in, mx783.umbler.com.br and mx240.umbler.co.uk.

a2tech.com.br has at least partial mail server overlap with other domains such as aguaama.com.br, ggonzalez.com.br, garagemod.com.br and two more.

Each host among mx364.umbler.com, mx128.umbler.in, mx783.umbler.com.br and mx240.umbler.co.uk has four IP addresses. Specifically, mx364.umbler.com directs to 177.55.120.51, 177.55.120.53, 187.84.237.180 and 187.84.237.189; mx128.umbler.in directs to 177.55.120.51, 177.55.120.53, 187.84.237.180 and 187.84.237.189; mx783.umbler.com.br directs to 177.55.120.51, 177.55.120.53, 187.84.237.180 and 187.84.237.189; mx240.umbler.co.uk directs to 177.55.120.51, 177.55.120.53, 187.84.237.180 and 187.84.237.189.