obra.net.br - robtex.com

obra.net.br

DNSSEC⚠️ Not signed
A2606:4700:3030::ac43:8c46🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3031::6815:8d9🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.8.217Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.140.70🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSmarek.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3bca🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmarek.ns.cloudflare.com
A2803:f800:50::6ca2:c1ca🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRmarek.ns.cloudflare.com
A2a06:98c1:50::ac40:21ca🇺🇸 Cloudflare2a06:98c1:50::/45
PTRmarek.ns.cloudflare.com
A108.162.193.202🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmarek.ns.cloudflare.com
A172.64.33.202🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmarek.ns.cloudflare.com
A173.245.59.202🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmarek.ns.cloudflare.com
NSrachel.ns.cloudflare.com
A2606:4700:50::adf5:3ad7🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRrachel.ns.cloudflare.com
A2803:f800:50::6ca2:c0d7🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRrachel.ns.cloudflare.com
A2a06:98c1:50::ac40:20d7🇺🇸 Cloudflare2a06:98c1:50::/45
PTRrachel.ns.cloudflare.com
A108.162.192.215🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRrachel.ns.cloudflare.com
A172.64.32.215🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRrachel.ns.cloudflare.com
A173.245.58.215🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRrachel.ns.cloudflare.com
MXmx1.mailchannels.net ⭐
A54.187.177.89🇺🇸 Amazon54.186.0.0/15 EC2 PDX prefix
PTRec2-54-187-177-89.us-west-2.compute.amazonaws.com
MXmx2.mailchannels.net ⭐
A54.69.1.140🇺🇸 Amazon54.68.0.0/15 EC2 PDX Prefix
PTRec2-54-69-1-140.us-west-2.compute.amazonaws.com
TXTv=spf1 mx include:netblocks.dreamhost.com include:relay.mailchannels.net -all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.8.217, 172.67.140.70
IPv6 hints2606:4700:3030::ac43:8c46, 2606:4700:3031::6815:8d9
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=243, name=cloudflare-ech.com
SOAmarek.ns.cloudflare.comdns@cloudflare.com serial=2402255247

net.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 serial=2026127312
WOT: SAFE (8/100)

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DNS History

8 records (8 active, 0 former)

NSmarek.ns.cloudflare.comrachel.ns.cloudflare.comMXmx1.mailchannels.netmx2.mailchannels.netA104.21.8.217172.67.140.702606:4700:3030::ac43:8c462606:4700:3031::6815:8d9
●NSmarek.ns.cloudflare.com2026-03-26 → 2026-05-07 · 2 obs
● 2026-03-26 12:33:12
● 2026-05-07 13:32:38
●NSrachel.ns.cloudflare.com2026-03-26 → 2026-05-07 · 2 obs
● 2026-03-26 12:33:12
● 2026-05-07 13:32:38
●MXmx1.mailchannels.net2026-03-26 → 2026-05-07 · 2 obs
● 2026-03-26 12:33:12
● 2026-05-07 13:32:38
●MXmx2.mailchannels.net2026-03-26 → 2026-05-07 · 2 obs
● 2026-03-26 12:33:12
● 2026-05-07 13:32:38
●A104.21.8.2172026-03-26 → 2026-05-07 · 2 obs
● 2026-03-26 12:33:12
● 2026-05-07 13:32:38
●A172.67.140.702026-03-26 → 2026-05-07 · 2 obs
● 2026-03-26 12:33:12
● 2026-05-07 13:32:38
●A2606:4700:3030::ac43:8c462026-03-26 → 2026-05-07 · 2 obs
● 2026-03-26 12:33:12
● 2026-05-07 13:32:38
●A2606:4700:3031::6815:8d92026-03-26 → 2026-05-07 · 2 obs
● 2026-03-26 12:33:12
● 2026-05-07 13:32:38

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
brc.dns.br, a.dns.br, e.dns.br, f.dns.br...-
obra.net.brrachel.ns.cloudflare.com, marek.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.193.202

NS records: rachel.ns.cloudflare.com, marek.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for obra.net.br (unsigned zone)

⏱️ Timing

Total: 648ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.8.217, 172.67.140.70
AAAA22606:4700:3030::ac43:8c46, 2606:4700:3031::6815:8d9
NS2marek.ns.cloudflare.com, rachel.ns.cloudflare.com
MX2mx1.mailchannels.net (pri: 0), mx2.mailchannels.net (pri: 0)
TXT1v=spf1 mx include:netblocks.dreamhost.co
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1marek.ns.cloudflare.com dns.cloudflare.c

Analysis

IP Addresses

obra.net.br maps to four IP numbers: 2606:4700:3030::ac43:8c46, 2606:4700:3031::6815:8d9, 104.21.8.217 and 172.67.140.70.

Other host names such as swapnilit.com, www.identifur.com, www.osagedu.top, www.gooforum.com and yojakeisgroup.forum share IPs with obra.net.br.

Name Servers

Two name servers marek.ns.cloudflare.com and rachel.ns.cloudflare.com handle the delegation for obra.net.br.

obra.net.br shares the same name server setup as other domains, for example tkani-mira.ru, digitery.sg, ptluk.com, bfcs.lu and gamesmadeinpola.com.

obra.net.br at least partially shares name servers with other domains, for example toyblocks.dev, wcqdm.com, akpar-pertiwi.ac.id, qo0z0fl1g8k-7f8j.top and desurasur.org.

these name servers are commonly used alongside anna.ns.cloudflare.com name servers.

Host names with six IP numbers:

marek.ns.cloudflare.com points to 2606:4700:58::adf5:3bca, 2803:f800:50::6ca2:c1ca, 2a06:98c1:50::ac40:21ca, 108.162.193.202, 172.64.33.202 and 173.245.59.202.

rachel.ns.cloudflare.com points to 2606:4700:50::adf5:3ad7, 2803:f800:50::6ca2:c0d7, 2a06:98c1:50::ac40:20d7, 108.162.192.215, 172.64.32.215 and 173.245.58.215.

Mail Servers

Two mail servers handle obra.net.br: mx1.mailchannels.net and mx2.mailchannels.net.

obra.net.br shares the same mail server setup as other domains, including rocktumbling.com, nwfigurative.org, gordonmac.com, biologyofstory.com and buyspain.com.

obra.net.br shares at least some mail servers with other domains, for example tomhope.se and miss-jamie.com.

Host names with one IP number:

mx1.mailchannels.net points to 54.187.177.89; mx2.mailchannels.net points to 54.69.1.140.