sostelecom.com.br - robtex.com

sostelecom.com.br

DNSSEC⚠️ Not signed
A2606:4700:3030::ac43:df22🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::6815:2e22🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.46.34Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.223.34🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSdeborah.ns.cloudflare.com ⭐
A2606:4700:50::a29f:266f🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdeborah.ns.cloudflare.com
A2803:f800:50::6ca2:c26f🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRdeborah.ns.cloudflare.com
A2a06:98c1:50::ac40:226f🇺🇸 Cloudflare2a06:98c1:50::/45
PTRdeborah.ns.cloudflare.com
A108.162.194.111🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdeborah.ns.cloudflare.com
A162.159.38.111Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdeborah.ns.cloudflare.com
A172.64.34.111🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdeborah.ns.cloudflare.com
NSosmar.ns.cloudflare.com
A2606:4700:58::a29f:2c7c🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRosmar.ns.cloudflare.com
A2803:f800:50::6ca2:c37c🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRosmar.ns.cloudflare.com
A2a06:98c1:50::ac40:237c🇺🇸 Cloudflare2a06:98c1:50::/45
PTRosmar.ns.cloudflare.com
A108.162.195.124🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRosmar.ns.cloudflare.com
A162.159.44.124Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRosmar.ns.cloudflare.com
A172.64.35.124🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRosmar.ns.cloudflare.com
MXaspmx.l.google.com ⭐
A2607:f8b0:4004:c1b::1a🇺🇸 Google2607:f8b0:4004::/48
PTRwv-in-f26.1e100.net
A142.250.31.26🇺🇸 Google142.250.31.0/24
PTRbj-in-f26.1e100.net
MXalt1.aspmx.l.google.com(5)
A2800:3f0:4003:c0f::1b🇨🇱 Google2800:3f0:4003::/48
A108.177.123.27🇺🇸 Google108.177.123.0/24
PTRlcscld-in-f27.1e100.net
MXalt2.aspmx.l.google.com(5)
A2a00:1450:400b:c02::1a🇮🇪 Google2a00:1450:400b::/48
PTRdj-in-f26.1e100.net
A172.253.116.26🇺🇸 Google172.253.116.0/24
PTRdj-in-f26.1e100.net
MXalt3.aspmx.l.google.com(10)
A2a00:1450:4009:c0f::1a🇬🇧 Google2a00:1450:4009::/48
PTRyulhrs-in-f26.1e100.net
A192.178.223.27🇺🇸 Google192.178.223.0/24
PTRyulhrs-in-f27.1e100.net
MXalt4.aspmx.l.google.com(10)
A2a00:1450:400c:c23::1a🇧🇪 Google2a00:1450:400c::/48
PTRyubrupd-in-f26.1e100.net
A172.253.157.27🇺🇸 Google172.253.0.0/16
PTRyubrupd-in-f27.1e100.net
TXTgoogle-site-verification=zRbKAtFCsCXXwYrF9CLdU_xSU5ortPxJfOs9_d19e_o
TXTv=spf1 include:_spf.google.com ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.46.34, 172.67.223.34
IPv6 hints2606:4700:3030::ac43:df22, 2606:4700:3037::6815:2e22
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=240, name=cloudflare-ech.com
SOAdeborah.ns.cloudflare.comdns@cloudflare.com serial=2409610170

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=2026209416
rank #519666 globally
rank #3715 in the tld
WOT: SAFE (69/100)

Same first word

sostelecom.net.br
sostelecom.net
sostelecom.com
sostelecom.com.br

Similar names

telecosmos.com
telecomsos.com
cosmosteel.com
osstelecom.com
cosmosteel.co.jp
telecosmos.ru

DNS History

23 records (11 active, 12 former)

20162017201820192020202120222023202420252026NSdeborah.ns.cloudflare.comosmar.ns.cloudflare.comns1.locaweb.com.brns2.locaweb.com.brns3.locaweb.com.brMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comaspmx.l.google.commx.a.locaweb.com.brmx.b.locaweb.com.brmx.core.locaweb.com.brmx.jk.locaweb.com.brA104.21.46.34172.67.223.342606:4700:3030::ac43:df222606:4700:3037::6815:2e22186.202.157.79188.114.96.0188.114.97.02a06:98c1:3120::2a06:98c1:3121::
●NSdeborah.ns.cloudflare.com2026-07-01 → 2026-07-28 · 3 obs
○ 2017-11-10 20:40:08
● 2026-07-01 09:57:18
● 2026-07-28 17:46:40
○NSns1.locaweb.com.br2015-07-03 → 2017-11-10 · 4 obs
● 2015-07-03 04:34:12
● 2017-11-10 20:40:08
○ 2026-07-01 09:57:18
○ 2026-07-28 17:46:40
○NSns2.locaweb.com.br2015-07-03 → 2017-11-10 · 4 obs
● 2015-07-03 04:34:12
● 2017-11-10 20:40:08
○ 2026-07-01 09:57:18
○ 2026-07-28 17:46:40
○NSns3.locaweb.com.br2015-07-03 → 2017-11-10 · 4 obs
● 2015-07-03 04:34:12
● 2017-11-10 20:40:08
○ 2026-07-01 09:57:18
○ 2026-07-28 17:46:40
●NSosmar.ns.cloudflare.com2026-07-01 → 2026-07-28 · 3 obs
○ 2017-11-10 20:40:08
● 2026-07-01 09:57:18
● 2026-07-28 17:46:40
●MXalt1.aspmx.l.google.com2026-07-01 → 2026-07-28 · 3 obs
○ 2017-11-10 20:40:08
● 2026-07-01 09:57:18
● 2026-07-28 17:46:40
●MXalt2.aspmx.l.google.com2026-07-01 → 2026-07-28 · 3 obs
○ 2017-11-10 20:40:08
● 2026-07-01 09:57:18
● 2026-07-28 17:46:40
●MXalt3.aspmx.l.google.com2026-07-01 → 2026-07-28 · 3 obs
○ 2017-11-10 20:40:08
● 2026-07-01 09:57:18
● 2026-07-28 17:46:40
●MXalt4.aspmx.l.google.com2026-07-01 → 2026-07-28 · 3 obs
○ 2017-11-10 20:40:08
● 2026-07-01 09:57:18
● 2026-07-28 17:46:40
●MXaspmx.l.google.com2026-07-01 → 2026-07-28 · 3 obs
○ 2017-11-10 20:40:08
● 2026-07-01 09:57:18
● 2026-07-28 17:46:40
○MXmx.a.locaweb.com.br2015-07-03 → 2017-11-10 · 4 obs
● 2015-07-03 04:34:12
● 2017-11-10 20:40:08
○ 2026-07-01 09:57:18
○ 2026-07-28 17:46:40
○MXmx.b.locaweb.com.br2015-07-03 → 2017-11-10 · 4 obs
● 2015-07-03 04:34:12
● 2017-11-10 20:40:08
○ 2026-07-01 09:57:18
○ 2026-07-28 17:46:40
○MXmx.core.locaweb.com.br2015-07-03 → 2017-11-10 · 4 obs
● 2015-07-03 04:34:12
● 2017-11-10 20:40:08
○ 2026-07-01 09:57:18
○ 2026-07-28 17:46:40
○MXmx.jk.locaweb.com.br2015-07-03 → 2017-11-10 · 4 obs
● 2015-07-03 04:34:12
● 2017-11-10 20:40:08
○ 2026-07-01 09:57:18
○ 2026-07-28 17:46:40
●A104.21.46.342026-07-02 → 2026-07-28 · 3 obs
○ 2026-07-01 09:57:18
● 2026-07-02 03:29:00
● 2026-07-28 17:46:40
●A172.67.223.342026-07-02 → 2026-07-28 · 3 obs
○ 2026-07-01 09:57:18
● 2026-07-02 03:29:00
● 2026-07-28 17:46:40
○A186.202.157.792015-07-03 → 2017-11-10 · 4 obs
● 2015-07-03 04:34:12
● 2017-11-10 20:40:08
○ 2026-07-01 09:57:18
○ 2026-07-28 17:46:40
○A188.114.96.02026-07-01 → 2026-07-01 · 4 obs
○ 2017-11-10 20:40:08
● 2026-07-01 09:57:18
○ 2026-07-02 03:29:00
○ 2026-07-28 17:46:40
○A188.114.97.02026-07-01 → 2026-07-01 · 4 obs
○ 2017-11-10 20:40:08
● 2026-07-01 09:57:18
○ 2026-07-02 03:29:00
○ 2026-07-28 17:46:40
●A2606:4700:3030::ac43:df222026-07-02 → 2026-07-28 · 3 obs
○ 2026-07-01 09:57:18
● 2026-07-02 03:29:00
● 2026-07-28 17:46:40
●A2606:4700:3037::6815:2e222026-07-02 → 2026-07-28 · 3 obs
○ 2026-07-01 09:57:18
● 2026-07-02 03:29:00
● 2026-07-28 17:46:40
○A2a06:98c1:3120::2026-07-01 → 2026-07-01 · 4 obs
○ 2017-11-10 20:40:08
● 2026-07-01 09:57:18
○ 2026-07-02 03:29:00
○ 2026-07-28 17:46:40
○A2a06:98c1:3121::2026-07-01 → 2026-07-01 · 4 obs
○ 2017-11-10 20:40:08
● 2026-07-01 09:57:18
○ 2026-07-02 03:29:00
○ 2026-07-28 17:46:40

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
bra.dns.br, b.dns.br, c.dns.br, d.dns.br...-
sostelecom.com.brdeborah.ns.cloudflare.com, osmar.ns.cloudflare.com-

✅ Authoritative Response

Server:162.159.38.111

NS records: deborah.ns.cloudflare.com, osmar.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 843ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.46.34, 172.67.223.34
AAAA22606:4700:3030::ac43:df22, 2606:4700:3037::6815:2e22
NS2deborah.ns.cloudflare.com, osmar.ns.cloudflare.com
MX5aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...
TXT2google-site-verification=zRbKAtFCsCXXwYr, v=spf1 include:_spf.google.com ~all
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1deborah.ns.cloudflare.com dns.cloudflare

Analysis

IP Addresses

sostelecom.com.br directs to four IP numbers, which are 104.21.46.34, 172.67.223.34, 2606:4700:3030::ac43:df22 and 2606:4700:3037::6815:2e22.

Two other host names, along with house-of-cardano.io, supplian.com and ydautoparts.com, also share IP numbers with sostelecom.com.br.

Name Servers

The NS records for sostelecom.com.br delegate to deborah.ns.cloudflare.com and osmar.ns.cloudflare.com.

sostelecom.com.br shares its NS records with other domains, for example appsplaymarket.site, reseausansfil.com, sunnymining.com and two others.

At least some of sostelecom.com.br's name servers are shared with other domains, for example veloranestium.com, adultbg.com, zo3x.vip and two more.

These name servers tend to be deployed in combination with the name servers leia.ns.cloudflare.com and chip.ns.cloudflare.com.

DNS names with 6 IP addresses:

deborah.ns.cloudflare.com maps to 108.162.194.111, 162.159.38.111, 172.64.34.111 and 3 additional IP addresses.

osmar.ns.cloudflare.com maps to 108.162.195.124, 162.159.44.124, 172.64.35.124 and 3 additional IP addresses.

Mail Servers

Five mail servers handle sostelecom.com.br: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

There is at least a partial MX overlap between sostelecom.com.br and other domains, including ns500759.ns500698.ns500759.ns500735.ns500698.ns500735.ns500735.ns500698.ns500619.ns500652.ns500576.ns500576.trackreceptor.com, ns500737.ns500724.ns500599.ns500724.ns500737.ns500737.ns500724.ns500737.ns500583.ns500599.ns500583.ns500599.ns500631.www.yummyflingsfinder.com, douet.com.ar and two others.

alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and aspmx3.googlemail.com are mail servers that frequently appear together with these mail servers.

Host names that have two IP addresses:

The A records for aspmx.l.google.com return 142.250.31.26 and 2607:f8b0:4004:c1b::1a.

The A records for alt1.aspmx.l.google.com return 108.177.123.27 and 2800:3f0:4003:c0f::1b.

The A records for alt2.aspmx.l.google.com return 172.253.116.26 and 2a00:1450:400b:c02::1a.

The A records for alt3.aspmx.l.google.com return 192.178.223.27 and 2a00:1450:4009:c0f::1a.

The A records for alt4.aspmx.l.google.com return 172.253.157.27 and 2a00:1450:400c:c23::1a.