dev4u.com.br - dns.ninja

`dev4u.com.br`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:1771^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::ac43:d2d0^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.23.113^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.210.208^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`bryce.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c89^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bryce.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c389^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`bryce.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2389^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`bryce.ns.cloudflare.com`
		A	108.162.195.137^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bryce.ns.cloudflare.com`
		A	162.159.44.137^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bryce.ns.cloudflare.com`
		A	172.64.35.137^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bryce.ns.cloudflare.com`
NS	`shaz.ns.cloudflare.com`
		A	2606:4700:50::a29f:26f9^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`shaz.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2f9^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`shaz.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22f9^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`shaz.ns.cloudflare.com`
		A	108.162.194.249^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`shaz.ns.cloudflare.com`
		A	162.159.38.249^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`shaz.ns.cloudflare.com`
		A	172.64.34.249^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`shaz.ns.cloudflare.com`
MX	`glacier-relay.mxrouting.net` ⭐
		A	45.43.208.47^{🇺🇸 QUICKPACKET45.43.208.0/24 QuickPacket LLC}
MX	`glacier.mxrouting.net`⁽²⁰⁾
		A	45.43.208.47^{🇺🇸 QUICKPACKET45.43.208.0/24 QuickPacket LLC}
TXT	`google-gws-recovery-domain-verification=53841293`
TXT	`google-site-verification=JY3wdv1KTRDN6wsFMKGP67DRxSTK8yUMNLNIzgOlce4`
TXT	`v=spf1 include:mxroute.com include:amazonses.com -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.23.113, 172.67.210.208
		IPv6 hints	2606:4700:3031::6815:1771, 2606:4700:3034::ac43:d2d0
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=87, name=cloudflare-ech.com
SOA	`bryce.ns.cloudflare.com`dns@cloudflare.com serial=2406365211

`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=2026165372

rank #515882 globally
rank #3866 in the tld
WOT: SAFE (69/100)

Previously MX for

dev4u.com.br

Same first word

dev4u.ru

dev4u.co.za

dev4u.com

dev4u.de

dev4u.org

dev4u.ch

dev4u.it

dev4u.com.br

dev4u.net

dev4u.com.mx

Similar names

v4edu.in

edv4u.com

edv4u.at

v4edu.com

edv4u.de

u4dev.com

4dvue.com

DNS History

20 records (8 active, 12 former)

●NSbryce.ns.cloudflare.com2026-02-22 → 2026-06-14 · 3 obs

○ 2017-07-04 10:43:20
● 2026-02-22 14:10:30
● 2026-06-14 15:43:28

○NSns3.integrator.com.br2015-07-07 → 2017-07-04 · 4 obs

● 2015-07-07 12:14:32
● 2017-07-04 10:43:20
○ 2026-02-22 14:10:30
○ 2026-06-14 15:43:28

○NSns4.integrator.com.br2015-07-07 → 2017-07-04 · 4 obs

● 2015-07-07 12:14:32
● 2017-07-04 10:43:20
○ 2026-02-22 14:10:30
○ 2026-06-14 15:43:28

●NSshaz.ns.cloudflare.com2026-02-22 → 2026-06-14 · 3 obs

○ 2017-07-04 10:43:20
● 2026-02-22 14:10:30
● 2026-06-14 15:43:28

○MXdev4u.com.br2015-07-07 → 2017-07-04 · 4 obs

● 2015-07-07 12:14:32
● 2017-07-04 10:43:20
○ 2026-02-22 14:10:30
○ 2026-06-14 15:43:28

●MXglacier-relay.mxrouting.net2026-02-22 → 2026-06-14 · 3 obs

○ 2017-07-04 10:43:20
● 2026-02-22 14:10:30
● 2026-06-14 15:43:28

●MXglacier.mxrouting.net2026-02-22 → 2026-06-14 · 3 obs

○ 2017-07-04 10:43:20
● 2026-02-22 14:10:30
● 2026-06-14 15:43:28

●A104.21.23.1132026-02-22 → 2026-06-14 · 7 obs

○ 2017-07-04 10:43:20
● 2026-02-22 14:10:30
● 2026-02-24 14:58:04
○ 2026-03-02 14:09:12
○ 2026-03-04 06:22:24
● 2026-04-01 13:37:16
● 2026-06-14 15:43:28

●A172.67.210.2082026-02-22 → 2026-06-14 · 7 obs

○ 2017-07-04 10:43:20
● 2026-02-22 14:10:30
● 2026-02-24 14:58:04
○ 2026-03-02 14:09:12
○ 2026-03-04 06:22:24
● 2026-04-01 13:37:16
● 2026-06-14 15:43:28

○A184.107.197.2262015-07-07 → 2017-07-04 · 4 obs

● 2015-07-07 12:14:32
● 2017-07-04 10:43:20
○ 2026-02-22 14:10:30
○ 2026-06-14 15:43:28

○A188.114.96.02026-03-02 → 2026-03-04 · 6 obs

○ 2026-02-22 14:10:30
○ 2026-03-02 14:09:12
● 2026-03-02 14:55:44
● 2026-03-04 06:22:24
○ 2026-04-01 13:37:16
○ 2026-06-14 15:43:28

○A188.114.96.42026-03-02 → 2026-03-02 · 4 obs

○ 2026-02-24 14:58:04
● 2026-03-02 14:09:12
○ 2026-03-02 14:55:44
○ 2026-06-14 15:43:28

○A188.114.97.02026-03-02 → 2026-03-04 · 6 obs

○ 2026-02-22 14:10:30
○ 2026-03-02 14:09:12
● 2026-03-02 14:55:44
● 2026-03-04 06:22:24
○ 2026-04-01 13:37:16
○ 2026-06-14 15:43:28

○A188.114.97.42026-03-02 → 2026-03-02 · 4 obs

○ 2026-02-24 14:58:04
● 2026-03-02 14:09:12
○ 2026-03-02 14:55:44
○ 2026-06-14 15:43:28

●A2606:4700:3031::6815:17712026-02-22 → 2026-06-14 · 7 obs

○ 2017-07-04 10:43:20
● 2026-02-22 14:10:30
● 2026-02-24 14:58:04
○ 2026-03-02 14:09:12
○ 2026-03-04 06:22:24
● 2026-04-01 13:37:16
● 2026-06-14 15:43:28

●A2606:4700:3034::ac43:d2d02026-02-22 → 2026-06-14 · 7 obs

○ 2017-07-04 10:43:20
● 2026-02-22 14:10:30
● 2026-02-24 14:58:04
○ 2026-03-02 14:09:12
○ 2026-03-04 06:22:24
● 2026-04-01 13:37:16
● 2026-06-14 15:43:28

○A2a06:98c1:3120::2026-03-02 → 2026-03-04 · 6 obs

○ 2026-02-22 14:10:30
○ 2026-03-02 14:09:12
● 2026-03-02 14:55:44
● 2026-03-04 06:22:24
○ 2026-04-01 13:37:16
○ 2026-06-14 15:43:28

○A2a06:98c1:3120::42026-03-02 → 2026-03-02 · 4 obs

○ 2026-02-24 14:58:04
● 2026-03-02 14:09:12
○ 2026-03-02 14:55:44
○ 2026-06-14 15:43:28

○A2a06:98c1:3121::2026-03-02 → 2026-03-04 · 6 obs

○ 2026-02-22 14:10:30
○ 2026-03-02 14:09:12
● 2026-03-02 14:55:44
● 2026-03-04 06:22:24
○ 2026-04-01 13:37:16
○ 2026-06-14 15:43:28

○A2a06:98c1:3121::42026-03-02 → 2026-03-02 · 4 obs

○ 2026-02-24 14:58:04
● 2026-03-02 14:09:12
○ 2026-03-02 14:55:44
○ 2026-06-14 15:43:28

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
br	a.dns.br, b.dns.br, c.dns.br, d.dns.br...	-
dev4u.com.br	bryce.ns.cloudflare.com, shaz.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.35.137

NS records: bryce.ns.cloudflare.com, shaz.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for dev4u.com.br (unsigned zone)

⏱️ Timing

Total: 783ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.23.113, 172.67.210.208`
AAAA	2	`2606:4700:3031::6815:1771, 2606:4700:3034::ac43:d2d0`
NS	2	`bryce.ns.cloudflare.com, shaz.ns.cloudflare.com`
MX	2	`glacier.mxrouting.net (pri: 10), glacier-relay.mxrouting.net (pri: 20)`
TXT	3	`google-gws-recovery-domain-verification=, google-site-verification=JY3wdv1KTRDN6ws...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`bryce.ns.cloudflare.com dns.cloudflare.c`

Analysis

IP Addresses

dev4u.com.br points to the four IP addresses 104.21.23.113, 172.67.210.208, 2606:4700:3031::6815:1771 and 2606:4700:3034::ac43:d2d0.

buncoworks.digital, obd9.com, essays-leader.com and two other host names share IP numbers with dev4u.com.br.

Name Servers

The NS records for dev4u.com.br delegate to bryce.ns.cloudflare.com and shaz.ns.cloudflare.com.

dev4u.com.br uses the same name servers as several other domains — among them ciptamuffler.com, eatchisme.com, jessetrevinoart.com and two more.

At least some of dev4u.com.br's name servers are shared with other domains, for example posit.com.br, instruharpa.sbs, elaninternational.org and two more.

It is common for these name servers to be used in conjunction with the name servers cody.ns.cloudflare.com, clara.ns.cloudflare.com and tadeo.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

bryce.ns.cloudflare.com maps to 108.162.195.137, 162.159.44.137, 172.64.35.137 and 3 additional IP addresses.

shaz.ns.cloudflare.com maps to 108.162.194.249, 162.159.38.249, 172.64.34.249 and 3 additional IP addresses.

Mail Servers

Mail for dev4u.com.br is handled by two mail servers — glacier-relay.mxrouting.net and glacier.mxrouting.net.

dev4u.com.br uses an identical mail server configuration to several other domains — among them kemonada.com, thelicensingcompany.com, lamdev.be and two more.

dev4u.com.br has at least partial mail server overlap with other domains such as host-server.link, weirup.com, scoremaxx.com and two more.

Each of glacier-relay.mxrouting.net and glacier.mxrouting.net points to exactly one IP address: 45.43.208.47.

glacier-relay.mxrouting.net and glacier.mxrouting.net each have 45.43.208.47 IP addresses.