prosemi.com.br - robtex.com

prosemi.com.br

DNSSEC⚠️ Not signed
A2606:4700:3032::6815:19d2🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3034::ac43:86ae🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.25.210Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.134.174🇺🇸 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
NSsky.ns.cloudflare.com
A2606:4700:50::a29f:2602🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsky.ns.cloudflare.com
A2803:f800:50::6ca2:c202🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRsky.ns.cloudflare.com
A2a06:98c1:50::ac40:2202🇺🇸 Cloudflare2a06:98c1:50::/45
PTRsky.ns.cloudflare.com
A108.162.194.2🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsky.ns.cloudflare.com
A162.159.38.2Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsky.ns.cloudflare.com
A172.64.34.2🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsky.ns.cloudflare.com
MXlisa.rtkinfo.com.br ⭐
A2605:a143:2194:4723::1🇺🇸 CONTABO-USA2605:a143::/32 710 N Tucker Blvd. STE 400A St. Louis MO 63101 United States
PTRspfbl.rtkinfo.com.br
A31.220.103.209🇩🇪 CONTABO-USA31.220.96.0/21
PTRspfbl.rtkinfo.com.br
MXbart.rtkinfo.com.br(10)
A3.14.173.210🇺🇸 Amazon3.14.0.0/15 EC2 CMH prefix
PTRec2-3-14-173-210.us-east-2.compute.amazonaws.com
TXTv=spf1 +a +mx +include:_spf.unisite.com.br -all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.25.210, 172.67.134.174
IPv62606:4700:3032::6815:19d2, 2606:4700:3034::ac43:86ae
SOAduke.ns.cloudflare.comdns@cloudflare.com serial=2399558744

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 serial=2026086276
rank #550596 globally
rank #4104 in the tld
WOT: SAFE (69/100)

Same first word

prosemi.net
prosemi.com.br

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DNS History

12 records (8 active, 4 former)

20162017201820192020202120222023202420252026NSduke.ns.cloudflare.comsky.ns.cloudflare.comdn1srv.unisite.com.brdn2srv.unisite.com.brMXbart.rtkinfo.com.brlisa.rtkinfo.com.brlinux8.unisite.com.brpostman.unisite.com.brA104.21.25.210172.67.134.1742606:4700:3032::6815:19d22606:4700:3034::ac43:86ae
○NSdn1srv.unisite.com.br2015-08-07 → 2016-11-04 · 4 obs
● 2015-08-07 00:21:32
● 2016-11-04 21:06:22
○ 2026-03-27 01:22:12
○ 2026-03-27 11:48:00
○NSdn2srv.unisite.com.br2015-08-07 → 2016-11-04 · 4 obs
● 2015-08-07 00:21:32
● 2016-11-04 21:06:22
○ 2026-03-27 01:22:12
○ 2026-03-27 11:48:00
●NSduke.ns.cloudflare.com2026-03-27 → 2026-03-27 · 3 obs
○ 2016-11-04 21:06:22
● 2026-03-27 01:22:12
● 2026-03-27 11:48:00
●NSsky.ns.cloudflare.com2026-03-27 → 2026-03-27 · 3 obs
○ 2016-11-04 21:06:22
● 2026-03-27 01:22:12
● 2026-03-27 11:48:00
●MXbart.rtkinfo.com.br2026-03-27 → 2026-03-27 · 3 obs
○ 2016-11-04 21:06:22
● 2026-03-27 01:22:12
● 2026-03-27 11:48:00
○MXlinux8.unisite.com.br2015-08-07 → 2016-11-04 · 4 obs
● 2015-08-07 00:21:32
● 2016-11-04 21:06:22
○ 2026-03-27 01:22:12
○ 2026-03-27 11:48:00
●MXlisa.rtkinfo.com.br2026-03-27 → 2026-03-27 · 3 obs
○ 2016-11-04 21:06:22
● 2026-03-27 01:22:12
● 2026-03-27 11:48:00
○MXpostman.unisite.com.br2015-08-07 → 2016-11-04 · 4 obs
● 2015-08-07 00:21:32
● 2016-11-04 21:06:22
○ 2026-03-27 01:22:12
○ 2026-03-27 11:48:00
●A104.21.25.2102026-03-27 → 2026-03-27 · 2 obs
● 2026-03-27 01:22:12
● 2026-03-27 11:48:00
●A172.67.134.1742026-03-27 → 2026-03-27 · 2 obs
● 2026-03-27 01:22:12
● 2026-03-27 11:48:00
●A2606:4700:3032::6815:19d22026-03-27 → 2026-03-27 · 2 obs
● 2026-03-27 01:22:12
● 2026-03-27 11:48:00
●A2606:4700:3034::ac43:86ae2026-03-27 → 2026-03-27 · 2 obs
● 2026-03-27 01:22:12
● 2026-03-27 11:48:00

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
brf.dns.br, b.dns.br, d.dns.br, a.dns.br...-
prosemi.com.brduke.ns.cloudflare.com, sky.ns.cloudflare.com-

✅ Authoritative Response

Server:162.159.38.2

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 760ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.25.210, 172.67.134.174
AAAA22606:4700:3034::ac43:86ae, 2606:4700:3032::6815:19d2
NS2duke.ns.cloudflare.com, sky.ns.cloudflare.com
MX2lisa.rtkinfo.com.br (pri: 0), bart.rtkinfo.com.br (pri: 10)
TXT1v=spf1 +a +mx +include:_spf.unisite.com.
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1duke.ns.cloudflare.com dns.cloudflare.co

Analysis

IP Addresses

prosemi.com.br points to four IP numbers: 2606:4700:3032::6815:19d2, 2606:4700:3034::ac43:86ae, 104.21.25.210 and 172.67.134.174.

Other host names including lfg43.xyz, vpn-review.com, bee.(0x787878), sijura.com and dao.ua share IP numbers with prosemi.com.br.

Name Servers

prosemi.com.br's delegation uses two name servers, duke.ns.cloudflare.com and sky.ns.cloudflare.com.

prosemi.com.br shares the same name server setup as other domains, for example artabas.com.br, roiptv.ro, sandalusrepres.com.br, manuelmolicki.com and bellimp.com.br.

prosemi.com.br at least partially shares name servers with other domains, including cloudmeet.us, ekinsa.com, obm6zh.com, marvinentertainment.nl and catalogfactory.org.

these name servers are commonly used together with kyree.ns.cloudflare.com, keenan.ns.cloudflare.com and iris.ns.cloudflare.com.

Host names with six IP numbers:

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.

sky.ns.cloudflare.com points to: 2606:4700:50::a29f:2602, 2803:f800:50::6ca2:c202, 2a06:98c1:50::ac40:2202, 108.162.194.2, 162.159.38.2 and 172.64.34.2.

Mail Servers

prosemi.com.br is handled by two mail servers: bart.rtkinfo.com.br and lisa.rtkinfo.com.br.

prosemi.com.br shares its mail server setup with other domains, including bellimp.com.br, muccio.com.br, acitupa.com.br, novaotica.com.br and sabongi.com.br.

The mail servers for prosemi.com.br are shared with other domains, for instance sandalusrepres.com.br, rtkinfo.com.br, cromal.com.br, grupotamoyo.com.br and lojaviasol.com.br.

these mail servers are commonly used alongside the mail servers spfbl.rtkinfo.com.br.

Hosts with two IPs:

lisa.rtkinfo.com.br points to 2605:a143:2194:4723::1 and 31.220.103.209.

Hosts with one IP:

bart.rtkinfo.com.br points to 3.14.173.210.