sertsc.org.br - robtex.com

sertsc.org.br

DNSSEC⚠️ Not signed
A2804:10:8002::210:227🇧🇷 IPV6-INTERNET2804:10:8000::/34 IPv6 Internet Ltda Any Notification about AS28299 security please e-mail to: ABUSE@hospedagem.net
A191.6.210.227🇧🇷 Locaweb191.6.210.0/24 IPV6 Internet Ltda
NSdns1.alcaline.com.br ⭐
A2804:10:c011::1🇧🇷 IPV6-INTERNET2804:10::/32 IPv6 Internet Ltda Any Notification about AS28299 security please e-mail to: ABUSE@hospedagem.net
PTRdns01.uni5.net
A189.38.95.2🇧🇷 IPV6-INTERNET189.38.94.0/23 IPv6 Internet Ltda Any Notification about AS28299 security please e-mail to: ABUSE@hospedagem.net
PTRdns1.uni5.net
NSdns2.alcaline.com.br
A2804:10:c022::2🇧🇷 IPV6-INTERNET2804:10::/32 IPv6 Internet Ltda Any Notification about AS28299 security please e-mail to: ABUSE@hospedagem.net
PTRdns02.uni5.net
A189.38.95.3🇧🇷 IPV6-INTERNET189.38.94.0/23 IPv6 Internet Ltda Any Notification about AS28299 security please e-mail to: ABUSE@hospedagem.net
PTRdns2.uni5.net
NSdns3.alcaline.com.br
A2804:10:c033::3🇧🇷 IPV6-INTERNET2804:10::/32 IPv6 Internet Ltda Any Notification about AS28299 security please e-mail to: ABUSE@hospedagem.net
A177.12.162.2🇧🇷 IPV6-INTERNET177.12.160.0/22 IPV6 Internet Ltda Any Notification about AS28299 security please e-mail to: ABUSE@hospedagem.net
NSdns4.alcaline.com.br
A2804:10:c044::4🇧🇷 IPV6-INTERNET2804:10::/32 IPv6 Internet Ltda Any Notification about AS28299 security please e-mail to: ABUSE@hospedagem.net
A177.12.162.3🇧🇷 IPV6-INTERNET177.12.160.0/22 IPV6 Internet Ltda Any Notification about AS28299 security please e-mail to: ABUSE@hospedagem.net
MXaspmx.l.google.com ⭐
A2607:f8b0:4004:c09::1b🇺🇸 Google2607:f8b0:4004::/48
PTRbh-in-f27.1e100.net
A142.251.167.26🇺🇸 Google142.251.167.0/24
PTRww-in-f26.1e100.net
MXalt1.aspmx.l.google.com(5)
A2607:f8b0:4023:2801::1b🇺🇸 Google2607:f8b0::/32
PTRlcausi-in-f27.1e100.net
A192.178.128.27🇺🇸 Google192.178.128.0/24
PTRlcausi-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)
A2607:f8b0:4023:1015::1a🇺🇸 Google2607:f8b0::/32
PTRyudfwta-in-f26.1e100.net
A172.253.135.27🇺🇸 Google172.253.135.0/24
PTRyudfwta-in-f27.1e100.net
MXalt4.aspmx.l.google.com(10)
A2607:f8b0:4001:c70::1b🇺🇸 Google2607:f8b0:4001::/48
PTRyucbful-in-f27.1e100.net
A192.178.209.26🇺🇸 Google192.178.209.0/24
PTRyucbful-in-f26.1e100.net
TXTv=spf1 a mx include:_spf.uni5.net include:_spf.google.com ~all
TXTemktownership=t9T8ycj2U1swM
TXTv=spf1 include:_spf.emailmkt.correio.ws -all
SOAdns1.alcaline.com.brabuse@uni5.net serial=2010220774

org.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=2026131008
WOT: SAFE (60/100)
WOT: SAFE (99/100)

Same first word

sertsc.org.br

Similar names

secsrt.com
escrts.com
scerts.com
sectrs.com
crests.com
srstec.de
screst.net
cresst.de
etcsrs.to
strecs.com
tsrecs.com
screst.com
cresst.org.uk
stecrs.com
tcress.com
csters.com
srcset.net
secstr.com
crests.ca
sscert.com
crests.net
csters.net
srsect.edu.in
etscrs.com
rsstec.com
stsrec.com

DNS History

19 records (11 active, 8 former)

20162017201820192020202120222023202420252026NSdns1.alcaline.com.brdns2.alcaline.com.brdns3.alcaline.com.brdns4.alcaline.com.brns1.sertsc.org.brns2.sertsc.org.brMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comaspmx.l.google.comalt1.aspmx.l.google.coaspmx2.googlemail.comaspmx3.googlemail.comaspmx4.googlemail.comaspmx5.googlemail.comA191.6.210.2272804:10:8002::210:227186.202.161.48
●NSdns1.alcaline.com.br2026-04-24 → 2026-05-11 · 3 obs
○ 2016-12-30 04:17:42
● 2026-04-24 16:20:50
● 2026-05-11 00:47:38
●NSdns2.alcaline.com.br2026-04-24 → 2026-05-11 · 3 obs
○ 2016-12-30 04:17:42
● 2026-04-24 16:20:50
● 2026-05-11 00:47:38
●NSdns3.alcaline.com.br2026-04-24 → 2026-05-11 · 3 obs
○ 2016-12-30 04:17:42
● 2026-04-24 16:20:50
● 2026-05-11 00:47:38
●NSdns4.alcaline.com.br2026-04-24 → 2026-05-11 · 3 obs
○ 2016-12-30 04:17:42
● 2026-04-24 16:20:50
● 2026-05-11 00:47:38
○NSns1.sertsc.org.br2015-08-23 → 2016-12-30 · 4 obs
● 2015-08-23 06:11:20
● 2016-12-30 04:17:42
○ 2026-04-24 16:20:50
○ 2026-05-11 00:47:38
○NSns2.sertsc.org.br2015-08-23 → 2016-12-30 · 4 obs
● 2015-08-23 06:11:20
● 2016-12-30 04:17:42
○ 2026-04-24 16:20:50
○ 2026-05-11 00:47:38
○MXalt1.aspmx.l.google.co2015-08-23 → 2016-12-30 · 4 obs
● 2015-08-23 06:11:20
● 2016-12-30 04:17:42
○ 2026-04-24 16:20:50
○ 2026-05-11 00:47:38
●MXalt1.aspmx.l.google.com2026-04-24 → 2026-05-11 · 3 obs
○ 2016-12-30 04:17:42
● 2026-04-24 16:20:50
● 2026-05-11 00:47:38
●MXalt2.aspmx.l.google.com2015-08-23 → 2026-05-11 · 2 obs
● 2015-08-23 06:11:20
● 2026-05-11 00:47:38
●MXalt3.aspmx.l.google.com2026-04-24 → 2026-05-11 · 3 obs
○ 2016-12-30 04:17:42
● 2026-04-24 16:20:50
● 2026-05-11 00:47:38
●MXalt4.aspmx.l.google.com2026-04-24 → 2026-05-11 · 3 obs
○ 2016-12-30 04:17:42
● 2026-04-24 16:20:50
● 2026-05-11 00:47:38
●MXaspmx.l.google.com2015-08-23 → 2026-05-11 · 2 obs
● 2015-08-23 06:11:20
● 2026-05-11 00:47:38
○MXaspmx2.googlemail.com2015-08-23 → 2016-12-30 · 4 obs
● 2015-08-23 06:11:20
● 2016-12-30 04:17:42
○ 2026-04-24 16:20:50
○ 2026-05-11 00:47:38
○MXaspmx3.googlemail.com2015-08-23 → 2016-12-30 · 4 obs
● 2015-08-23 06:11:20
● 2016-12-30 04:17:42
○ 2026-04-24 16:20:50
○ 2026-05-11 00:47:38
○MXaspmx4.googlemail.com2015-08-23 → 2016-12-30 · 4 obs
● 2015-08-23 06:11:20
● 2016-12-30 04:17:42
○ 2026-04-24 16:20:50
○ 2026-05-11 00:47:38
○MXaspmx5.googlemail.com2015-08-23 → 2016-12-30 · 4 obs
● 2015-08-23 06:11:20
● 2016-12-30 04:17:42
○ 2026-04-24 16:20:50
○ 2026-05-11 00:47:38
○A186.202.161.482015-08-23 → 2016-12-30 · 4 obs
● 2015-08-23 06:11:20
● 2016-12-30 04:17:42
○ 2026-04-24 16:20:50
○ 2026-05-11 00:47:38
●A191.6.210.2272026-04-24 → 2026-05-11 · 3 obs
○ 2016-12-30 04:17:42
● 2026-04-24 16:20:50
● 2026-05-11 00:47:38
●A2804:10:8002::210:2272026-04-24 → 2026-05-11 · 3 obs
○ 2016-12-30 04:17:42
● 2026-04-24 16:20:50
● 2026-05-11 00:47:38

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
brf.dns.br, d.dns.br, b.dns.br, e.dns.br...-
sertsc.org.brdns1.alcaline.com.br, dns2.alcaline.com.br, dns3.alcaline.com.br, dns4.alcaline.com.br-

✅ Authoritative Response

Server:189.38.95.3

NS records: dns1.alcaline.com.br, dns2.alcaline.com.br, dns3.alcaline.com.br, dns4.alcaline.com.br

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sertsc.org.br (unsigned zone)

⏱️ Timing

Total: 1869ms | Queries: -

📄 Records

TypeCountSample Data
A1191.6.210.227
AAAA12804:10:8002::210:227
NS4dns3.alcaline.com.br, dns1.alcaline.com.br...
MX5ALT1.ASPMX.L.GOOGLE.COM (pri: 5), ALT2.ASPMX.L.GOOGLE.COM (pri: 5)...
TXT3v=spf1 a mx include:_spf.uni5.net includ, v=spf1 include:_spf.emailmkt.correio.ws ...
SOA1dns1.alcaline.com.br abuse.uni5.net

Analysis

IP Addresses

sertsc.org.br resolves to two IP numbers: 2804:10:8002::210:227 and 191.6.210.227.

Other host names, for instance acassessoria.com, apvaesp.com.br, engmed-rc.com.br, eficax.rs and tiffel.com.br share IP numbers with sertsc.org.br.

Name Servers

sertsc.org.br is delegated to four name servers: dns1.alcaline.com.br, dns2.alcaline.com.br, dns3.alcaline.com.br and dns4.alcaline.com.br.

sertsc.org.br shares some name servers with other domains, for example yogaluz.com.br, sindijorers.org.br, alcaline.com.br, cdlcuritibanos.com.br and adisc.com.br.

Host names with two IP numbers

Two IPs per host:

dns1.alcaline.com.br points to 2804:10:c011::1 and 189.38.95.2

dns2.alcaline.com.br points to 2804:10:c022::2 and 189.38.95.3

dns3.alcaline.com.br points to 2804:10:c033::3 and 177.12.162.2

dns4.alcaline.com.br points to 2804:10:c044::4 and 177.12.162.3

Mail Servers

sertsc.org.br is handled by five mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.

sertsc.org.br shares some mail servers with other domains, at least partially; for instance vidisco.com, ns500758.ns500758.ns500758.ns500759.ns500736.ns500735.ns500698.ns500736.ns500698.ns500698.ns500576.ns500576.ns500576.ns500708.ns500652.trackreceptor.com, ns500671.ns500742.ns500671.ns500754.ns500742.ns500688.ns500704.ns500704.ns500649.ns500291.ns500291.ns500666.ns500653.ns500153.tenderladiesbz.com, alfavit.hu and ns500794.ns500821.ns500821.ns500841.ns500795.ns500794.ns500795.ns500794.ns500795.ns500821.ns500794.ns500794.ns500795.ns500790.ns500795.lustypartnersfinder.com.

these mail servers are commonly used alongside aspmx2.googlemail.com and aspmx3.googlemail.com.

Host names with two IPs:

Host aspmx.l.google.com has IPs 2607:f8b0:4004:c09::1b and 142.251.167.26.

Host alt1.aspmx.l.google.com has IPs 2607:f8b0:4023:2801::1b and 192.178.128.27.

Host alt2.aspmx.l.google.com has IPs 2a00:1450:400b:c02::1a and 172.253.116.26.

Host alt3.aspmx.l.google.com has IPs 2607:f8b0:4023:1015::1a and 172.253.135.27.

Host alt4.aspmx.l.google.com has IPs 2607:f8b0:4001:c70::1b and 192.178.209.26.