flexfer.com.br - dns.ninja

`flexfer.com.br`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::ac43:acc8^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::6815:37cd^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.55.205^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.172.200^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`josh.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b7e^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`josh.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c17e^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`josh.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:217e^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`josh.ns.cloudflare.com`
		A	108.162.193.126^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`josh.ns.cloudflare.com`
		A	172.64.33.126^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`josh.ns.cloudflare.com`
		A	173.245.59.126^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`josh.ns.cloudflare.com`
NS	`martha.ns.cloudflare.com`
		A	2606:4700:50::a29f:268e^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`martha.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c28e^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`martha.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:228e^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`martha.ns.cloudflare.com`
		A	108.162.194.142^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`martha.ns.cloudflare.com`
		A	162.159.38.142^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`martha.ns.cloudflare.com`
		A	172.64.34.142^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`martha.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	104.21.55.205, 172.67.172.200
		IPv6 hints	2606:4700:3030::ac43:acc8, 2606:4700:3033::6815:37cd
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=215, name=cloudflare-ech.com
SOA	`josh.ns.cloudflare.com`dns@cloudflare.com serial=2406814280

`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=2026213312

rank #523039 globally
rank #3722 in the tld
WOT: SAFE (69/100)

Same first word

flexfer.com

flexfer.com.br

Similar names

freflex.com

flexref.com

ferflex.com

refflex.com

refflex.org

ferflex.fr

refflex.ru

DNS History

25 records (10 active, 15 former)

●NSjosh.ns.cloudflare.com2026-04-08 → 2026-08-01 · 3 obs

○ 2021-06-11 06:35:44
● 2026-04-08 19:38:06
● 2026-08-01 13:01:54

●NSmartha.ns.cloudflare.com2026-04-08 → 2026-08-01 · 3 obs

○ 2021-06-11 06:35:44
● 2026-04-08 19:38:06
● 2026-08-01 13:01:54

○NSns1.foreverfest.com.br2015-07-13 → 2017-02-12 · 4 obs

● 2015-07-13 09:34:30
● 2017-02-12 16:29:18
○ 2021-06-11 06:35:44
○ 2026-08-01 13:01:54

○NSns148.umbler.in2021-06-11 → 2021-06-11 · 4 obs

○ 2017-02-12 16:29:18
● 2021-06-11 06:35:44
○ 2026-04-08 19:38:06
○ 2026-08-01 13:01:54

○NSns2.foreverfest.com.br2015-07-13 → 2017-02-12 · 4 obs

● 2015-07-13 09:34:30
● 2017-02-12 16:29:18
○ 2021-06-11 06:35:44
○ 2026-08-01 13:01:54

○NSns283.umbler.com.br2021-06-11 → 2021-06-11 · 4 obs

○ 2017-02-12 16:29:18
● 2021-06-11 06:35:44
○ 2026-04-08 19:38:06
○ 2026-08-01 13:01:54

○NSns534.umbler.com2021-06-11 → 2021-06-11 · 4 obs

○ 2017-02-12 16:29:18
● 2021-06-11 06:35:44
○ 2026-04-08 19:38:06
○ 2026-08-01 13:01:54

○NSns840.umbler.co.uk2021-06-11 → 2021-06-11 · 4 obs

○ 2017-02-12 16:29:18
● 2021-06-11 06:35:44
○ 2026-04-08 19:38:06
○ 2026-08-01 13:01:54

○MXantispam-cluster.idc2.mandic.com.br2015-07-13 → 2017-02-12 · 4 obs

● 2015-07-13 09:34:30
● 2017-02-12 16:29:18
○ 2021-06-11 06:35:44
○ 2026-08-01 13:01:54

●MXmx128.umbler.in2021-06-11 → 2026-08-01 · 3 obs

○ 2017-02-12 16:29:18
● 2021-06-11 06:35:44
● 2026-08-01 13:01:54

●MXmx240.umbler.co.uk2021-06-11 → 2026-08-01 · 3 obs

○ 2017-02-12 16:29:18
● 2021-06-11 06:35:44
● 2026-08-01 13:01:54

●MXmx364.umbler.com2021-06-11 → 2026-08-01 · 3 obs

○ 2017-02-12 16:29:18
● 2021-06-11 06:35:44
● 2026-08-01 13:01:54

●MXmx783.umbler.com.br2021-06-11 → 2026-08-01 · 3 obs

○ 2017-02-12 16:29:18
● 2021-06-11 06:35:44
● 2026-08-01 13:01:54

●A104.21.55.2052026-04-08 → 2026-08-01 · 6 obs

○ 2021-06-11 06:35:44
● 2026-04-08 19:38:06
● 2026-05-19 13:54:46
○ 2026-05-20 04:24:34
● 2026-05-20 14:53:22
● 2026-08-01 13:01:54

●A172.67.172.2002026-04-08 → 2026-08-01 · 6 obs

○ 2021-06-11 06:35:44
● 2026-04-08 19:38:06
● 2026-05-19 13:54:46
○ 2026-05-20 04:24:34
● 2026-05-20 14:53:22
● 2026-08-01 13:01:54

○A188.114.96.02026-05-20 → 2026-05-20 · 4 obs

○ 2026-05-19 13:54:46
● 2026-05-20 04:24:34
○ 2026-05-20 14:53:22
○ 2026-08-01 13:01:54

○A188.114.97.02026-05-20 → 2026-05-20 · 4 obs

○ 2026-05-19 13:54:46
● 2026-05-20 04:24:34
○ 2026-05-20 14:53:22
○ 2026-08-01 13:01:54

○A192.185.216.432021-06-11 → 2021-06-11 · 4 obs

○ 2017-02-12 16:29:18
● 2021-06-11 06:35:44
○ 2026-04-08 19:38:06
○ 2026-08-01 13:01:54

○A200.219.245.752015-07-13 → 2017-02-12 · 4 obs

● 2015-07-13 09:34:30
● 2017-02-12 16:29:18
○ 2021-06-11 06:35:44
○ 2026-08-01 13:01:54

●A2606:4700:3030::ac43:acc82026-07-16 → 2026-08-01 · 3 obs

○ 2026-05-20 14:53:22
● 2026-07-16 02:04:38
● 2026-08-01 13:01:54

○A2606:4700:3032::6815:37cd2026-04-08 → 2026-05-20 · 7 obs

○ 2021-06-11 06:35:44
● 2026-04-08 19:38:06
● 2026-05-19 13:54:46
○ 2026-05-20 04:24:34
● 2026-05-20 14:53:22
○ 2026-07-16 02:04:38
○ 2026-08-01 13:01:54

○A2606:4700:3032::ac43:acc82026-04-08 → 2026-05-20 · 7 obs

○ 2021-06-11 06:35:44
● 2026-04-08 19:38:06
● 2026-05-19 13:54:46
○ 2026-05-20 04:24:34
● 2026-05-20 14:53:22
○ 2026-07-16 02:04:38
○ 2026-08-01 13:01:54

●A2606:4700:3033::6815:37cd2026-07-16 → 2026-08-01 · 3 obs

○ 2026-05-20 14:53:22
● 2026-07-16 02:04:38
● 2026-08-01 13:01:54

○A2a06:98c1:3120::2026-05-20 → 2026-05-20 · 4 obs

○ 2026-05-19 13:54:46
● 2026-05-20 04:24:34
○ 2026-05-20 14:53:22
○ 2026-08-01 13:01:54

○A2a06:98c1:3121::2026-05-20 → 2026-05-20 · 4 obs

○ 2026-05-19 13:54:46
● 2026-05-20 04:24:34
○ 2026-05-20 14:53:22
○ 2026-08-01 13:01:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
br	a.dns.br, b.dns.br, c.dns.br, d.dns.br...	-
flexfer.com.br	josh.ns.cloudflare.com, martha.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.193.126

NS records: josh.ns.cloudflare.com, martha.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 941ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.172.200, 104.21.55.205`
AAAA	2	`2606:4700:3030::ac43:acc8, 2606:4700:3033::6815:37cd`
NS	2	`josh.ns.cloudflare.com, martha.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	`josh.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

flexfer.com.br has four IP addresses: 104.21.55.205, 172.67.172.200, 2606:4700:3030::ac43:acc8 and 2606:4700:3033::6815:37cd.

Two other host names, along with m.sxwdx.com, otrconsultants.com and iccredit.com, also share IP numbers with flexfer.com.br.

Name Servers

flexfer.com.br has two authoritative name servers — josh.ns.cloudflare.com and martha.ns.cloudflare.com.

flexfer.com.br shares its NS records with other domains, for example thehivewichita.com, dunai.com.br, slotnite-casino.co.uk and two others.

flexfer.com.br shares at least some of its name servers with other domains, including bustadomain.com, epcs.co.kr, excelfinancialgroup.ca and two others.

These name servers are frequently seen alongside the name servers lakas.ns.cloudflare.com, duke.ns.cloudflare.com, harleigh.ns.cloudflare.com and isla.ns.cloudflare.com.

DNS names with 6 IP addresses:

josh.ns.cloudflare.com points to 108.162.193.126, 172.64.33.126, 173.245.59.126 and 3 other IP addresses.

martha.ns.cloudflare.com points to 108.162.194.142, 162.159.38.142, 172.64.34.142 and 3 other IP addresses.

Mail Servers

Four mail servers handle email for flexfer.com.br: mx364.umbler.com, mx128.umbler.in, mx783.umbler.com.br and mx240.umbler.co.uk.

There is at least a partial MX overlap between flexfer.com.br and other domains, including cossenoconstrutora.com.br, luizca.net, institutodotorax.com and two others.

Each of the hostnames mx364.umbler.com, mx128.umbler.in, mx783.umbler.com.br and mx240.umbler.co.uk resolves to four IP addresses: mx364.umbler.com resolves to 177.55.120.51, 177.55.120.53, 187.84.237.180 and 187.84.237.189; mx128.umbler.in resolves to 177.55.120.51, 177.55.120.53, 187.84.237.180 and 187.84.237.189; mx783.umbler.com.br resolves to 177.55.120.51, 177.55.120.53, 187.84.237.180 and 187.84.237.189; and mx240.umbler.co.uk resolves to 177.55.120.51, 177.55.120.53, 187.84.237.180 and 187.84.237.189.

These host names all point to 177.55.120.51: mx364.umbler.com, mx128.umbler.in, mx783.umbler.com.br and mx240.umbler.co.uk.

These host names all point to 177.55.120.53: mx364.umbler.com, mx128.umbler.in, mx783.umbler.com.br and mx240.umbler.co.uk.

These host names all point to 187.84.237.180: mx364.umbler.com, mx128.umbler.in, mx783.umbler.com.br and mx240.umbler.co.uk.

These host names all point to 187.84.237.189: mx364.umbler.com, mx128.umbler.in, mx783.umbler.com.br and mx240.umbler.co.uk.