rtc.pt - dns.ninja

rtc.pt

DNSSEC⚠️ Not signed
A2606:4700:3030::ac43:8e88🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3031::6815:5757🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.87.87Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.142.136🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSbrett.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3b4c🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbrett.ns.cloudflare.com
A2803:f800:50::6ca2:c14c🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRbrett.ns.cloudflare.com
A2a06:98c1:50::ac40:214c🇺🇸 Cloudflare2a06:98c1:50::/45
PTRbrett.ns.cloudflare.com
A108.162.193.76🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbrett.ns.cloudflare.com
A172.64.33.76🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbrett.ns.cloudflare.com
A173.245.59.76🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbrett.ns.cloudflare.com
NSedna.ns.cloudflare.com
A2606:4700:50::adf5:3a6d🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRedna.ns.cloudflare.com
A2803:f800:50::6ca2:c06d🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRedna.ns.cloudflare.com
A2a06:98c1:50::ac40:206d🇺🇸 Cloudflare2a06:98c1:50::/45
PTRedna.ns.cloudflare.com
A108.162.192.109🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRedna.ns.cloudflare.com
A172.64.32.109🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRedna.ns.cloudflare.com
A173.245.58.109🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRedna.ns.cloudflare.com
MXsmtp.google.com ⭐
A2607:f8b0:4004:c21::1a🇺🇸 Google2607:f8b0:4004::/48
PTRpe-in-f26.1e100.net
A2607:f8b0:4004:c21::1b🇺🇸 Google2607:f8b0:4004::/48
PTRpe-in-f27.1e100.net
A2607:f8b0:4004:c25::1a🇺🇸 Google2607:f8b0:4004::/48
PTRyuiadtq-in-f26.1e100.net
A2607:f8b0:4004:c29::1b🇺🇸 Google2607:f8b0:4004::/48
PTRyuiadum-in-f27.1e100.net
A64.233.180.26🇺🇸 Google64.233.180.0/24
PTRon-in-f26.1e100.net
PTRpe-in-f26.1e100.net
A64.233.180.27🇺🇸 Google64.233.180.0/24
PTRon-in-f27.1e100.net
PTRpe-in-f27.1e100.net
A142.251.163.27🇺🇸 Google142.251.163.0/24
PTRwv-in-f27.1e100.net
A173.194.45.26🇺🇸 Google173.194.0.0/16
PTRyuiadum-in-f26.1e100.net
A192.178.218.26🇺🇸 Google192.178.218.0/24
PTRyuiadtq-in-f26.1e100.net
TXTgoogle-site-verification=NRvtnD2lz2pcQaQj_llVGQ4a9ZTVrooklI5l1f_EHPY
TXTv=spf1 include:_spf.google.com include:mailgun.org -all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.87.87, 172.67.142.136
IPv6 hints2606:4700:3030::ac43:8e88, 2606:4700:3031::6815:5757
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=82, name=cloudflare-ech.com
SOAbrett.ns.cloudflare.comdns@cloudflare.com serial=2411776840

pt

DNSSEC⚠️ Not signed
NScuriosity.dns.pt ⭐
NSa.dns.pt
NSb.dns.pt
NSc.dns.pt
NSd.dns.pt
NSe.dns.pt
NSg.dns.pt
NSh.dns.pt
NSns.dns.br ⚠️ Not in parent delegation
NSns2.nic.fr ⚠️ Not in parent delegation
SOAcuriosity.dns.ptrequest@dns.pt 2026-08-14 #18

Subdomains

www.rtc.pt

Same first word

rtc.org.au
rtc.es
rtc.com
rtc.co
rtc.mx
rtc.eu
rtc.net.au
rtc.cloud
rtc.tv
rtc.expert
rtc.guru
rtc.ie
rtc.com.pl
rtc.education
rtc.london
rtc.cv
rtc.no-ip.org
rtc.li
rtc.pt
rtc.edu
rtc.pl
rtc.coop
rtc.co.za
rtc.hr
rtc.cc
rtc.bt
rtc.email
rtc.sg
rtc.cz
rtc.energy
rtc.world
rtc.spb.ru
rtc.fi
rtc.berlin
rtc.lu
rtc.okinawa
rtc.edu.ge
rtc.directory
rtc.ru
rtc.sc
rtc.nl
rtc.exchange
rtc.lv
rtc.org.uk
rtc.si
rtc.systems
rtc.su
rtc.edu.vn
rtc.casino
rtc.org
rtc.be
rtc.kz
rtc.ac.th
rtc.no
rtc.net.br
rtc.services
rtc.com.sg
rtc.ro
rtc.jp
rtc.taxi
rtc.nyc
rtc.consulting
rtc.hu
rtc.co.nz
rtc.at
rtc.it
rtc.cl
rtc.com.br
rtc.se
rtc.solutions
rtc.net
rtc.ly
rtc.rs
rtc.fr
rtc.gob.mx
rtc.lt
rtc.com.pk
rtc.com.tw
rtc.bg
rtc.com.au
rtc.co.th
rtc.com.ua
rtc.co.uk
rtc.or.kr
rtc.synology.me
rtc.uk.net
rtc.com.tr
rtc.travel
rtc.la

Similar names

ctr.com.hk
trc.co
trc.com.tw
tcr.ro
trc.sa
ctr.in
crt.city
rct.be
crt.gob.mx
crt.com.co
rct.hr
ctr.hu
crt.in
trc.net.nz
tcr.enterprises
crt.construction
crt.co.jp
crt.cl
ctr.cm
crt.com.ar
ctr.ir
crt.red
trc.org
rct.nl
trc.cn
crt.li
trc.dev
crt.net
tcr.be
rct.cn
trc.fr
ctr.me
tcr.mobi
rct.com.au
crt.ch
rct.net.au
crt.sk
trc.cymru
ctr.info
ctr.hr
crt.me
trc.ro
ctr.com.tr
trc.modena.it
tcr.events
ctr.us
crt.com.au
trc.church
trc.us
ctr.com.cn
crt.org.vn
tcr.holdings
rct.ink
tcr.no
trc.tv
crt.at
tcr.at
crt.com
ctr.com.br
tcr.vn
crt.cz
trc.co.com
ctr.care
tcr.fr
trc.gov.om
ctr.ch
crt.name
ctr.it
crt.cloud
rct.cz
ctr.gov.me
trc.pt
trc.city
crt.agency
trc.tw
tcr.net
ctr.sk
ctr.rs
trc.govt.nz
trc.ch

DNS History

29 records (7 active, 22 former)

20162017201820192020202120222023202420252026NSbrett.ns.cloudflare.comedna.ns.cloudflare.comns1.dnscpanel.comns1.esoterica.comns2.dnscpanel.comns2.esoterica.comns3.dnscpanel.comMXsmtp.google.comalt1.aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comaspmx.l.google.comrtc-pt.mail.protection.outlook.comA104.21.87.87172.67.142.1362606:4700:3030::ac43:8e882606:4700:3031::6815:5757104.24.98.168104.24.99.168188.114.96.0188.114.97.02400:cb00:2048:1::6818:62a82400:cb00:2048:1::6818:63a82606:4700:3035::6815:57572a06:98c1:3120::2a06:98c1:3121::80.172.241.4694.126.169.239
●NSbrett.ns.cloudflare.com2016-09-02 → 2026-08-14 · 7 obs
○ 2016-05-10 15:33:14
● 2016-09-02 17:51:12
● 2017-09-08 23:55:30
○ 2021-01-05 20:10:02
○ 2021-01-07 13:37:52
● 2026-02-15 16:45:08
● 2026-08-14 09:25:10
●NSedna.ns.cloudflare.com2016-09-02 → 2026-08-14 · 7 obs
○ 2016-05-10 15:33:14
● 2016-09-02 17:51:12
● 2017-09-08 23:55:30
○ 2021-01-05 20:10:02
○ 2021-01-07 13:37:52
● 2026-02-15 16:45:08
● 2026-08-14 09:25:10
○NSns1.dnscpanel.com2021-01-05 → 2021-01-07 · 5 obs
○ 2017-09-08 23:55:30
● 2021-01-05 20:10:02
● 2021-01-07 13:37:52
○ 2026-02-15 16:45:08
○ 2026-08-14 09:25:10
○NSns1.esoterica.com2015-08-07 → 2016-05-10 · 4 obs
● 2015-08-07 16:32:16
● 2016-05-10 15:33:14
○ 2016-09-02 17:51:12
○ 2026-08-14 09:25:10
○NSns2.dnscpanel.com2021-01-05 → 2021-01-07 · 5 obs
○ 2017-09-08 23:55:30
● 2021-01-05 20:10:02
● 2021-01-07 13:37:52
○ 2026-02-15 16:45:08
○ 2026-08-14 09:25:10
○NSns2.esoterica.com2015-08-07 → 2016-05-10 · 4 obs
● 2015-08-07 16:32:16
● 2016-05-10 15:33:14
○ 2016-09-02 17:51:12
○ 2026-08-14 09:25:10
○NSns3.dnscpanel.com2021-01-05 → 2021-01-07 · 5 obs
○ 2017-09-08 23:55:30
● 2021-01-05 20:10:02
● 2021-01-07 13:37:52
○ 2026-02-15 16:45:08
○ 2026-08-14 09:25:10
○MXalt1.aspmx.l.google.com2021-01-05 → 2026-05-26 · 5 obs
○ 2015-08-07 16:32:16
● 2021-01-05 20:10:02
● 2026-05-26 07:53:10
○ 2026-05-30 00:02:36
○ 2026-08-14 09:25:10
○MXalt2.aspmx.l.google.com2021-01-05 → 2026-05-26 · 5 obs
○ 2015-08-07 16:32:16
● 2021-01-05 20:10:02
● 2026-05-26 07:53:10
○ 2026-05-30 00:02:36
○ 2026-08-14 09:25:10
○MXalt3.aspmx.l.google.com2021-01-05 → 2026-05-26 · 5 obs
○ 2015-08-07 16:32:16
● 2021-01-05 20:10:02
● 2026-05-26 07:53:10
○ 2026-05-30 00:02:36
○ 2026-08-14 09:25:10
○MXalt4.aspmx.l.google.com2021-01-05 → 2026-05-26 · 5 obs
○ 2015-08-07 16:32:16
● 2021-01-05 20:10:02
● 2026-05-26 07:53:10
○ 2026-05-30 00:02:36
○ 2026-08-14 09:25:10
○MXaspmx.l.google.com2015-08-07 → 2026-05-26 · 4 obs
● 2015-08-07 16:32:16
● 2026-05-26 07:53:10
○ 2026-05-30 00:02:36
○ 2026-08-14 09:25:10
○MXrtc-pt.mail.protection.outlook.com2026-05-30 → 2026-06-14 · 5 obs
○ 2026-05-26 07:53:10
● 2026-05-30 00:02:36
● 2026-06-14 13:41:28
○ 2026-07-09 08:31:08
○ 2026-08-14 09:25:10
●MXsmtp.google.com2026-07-09 → 2026-08-14 · 3 obs
○ 2026-06-14 13:41:28
● 2026-07-09 08:31:08
● 2026-08-14 09:25:10
●A104.21.87.872026-02-15 → 2026-08-14 · 5 obs
○ 2021-01-07 13:37:52
● 2026-02-15 16:45:08
○ 2026-02-18 00:56:58
● 2026-03-07 19:06:36
● 2026-08-14 09:25:10
○A104.24.98.1682016-09-02 → 2017-09-08 · 5 obs
○ 2016-05-10 15:33:14
● 2016-09-02 17:51:12
● 2017-09-08 23:55:30
○ 2021-01-05 20:10:02
○ 2026-08-14 09:25:10
○A104.24.99.1682016-09-02 → 2017-09-08 · 5 obs
○ 2016-05-10 15:33:14
● 2016-09-02 17:51:12
● 2017-09-08 23:55:30
○ 2021-01-05 20:10:02
○ 2026-08-14 09:25:10
●A172.67.142.1362026-02-15 → 2026-08-14 · 5 obs
○ 2021-01-07 13:37:52
● 2026-02-15 16:45:08
○ 2026-02-18 00:56:58
● 2026-03-07 19:06:36
● 2026-08-14 09:25:10
○A188.114.96.02026-02-18 → 2026-02-18 · 4 obs
○ 2026-02-15 16:45:08
● 2026-02-18 00:56:58
○ 2026-03-07 19:06:36
○ 2026-08-14 09:25:10
○A188.114.97.02026-02-18 → 2026-02-18 · 4 obs
○ 2026-02-15 16:45:08
● 2026-02-18 00:56:58
○ 2026-03-07 19:06:36
○ 2026-08-14 09:25:10
○A2400:cb00:2048:1::6818:62a82016-09-02 → 2017-09-08 · 5 obs
○ 2016-05-10 15:33:14
● 2016-09-02 17:51:12
● 2017-09-08 23:55:30
○ 2021-01-05 20:10:02
○ 2026-08-14 09:25:10
○A2400:cb00:2048:1::6818:63a82016-09-02 → 2017-09-08 · 5 obs
○ 2016-05-10 15:33:14
● 2016-09-02 17:51:12
● 2017-09-08 23:55:30
○ 2021-01-05 20:10:02
○ 2026-08-14 09:25:10
●A2606:4700:3030::ac43:8e882026-02-15 → 2026-08-14 · 5 obs
○ 2021-01-07 13:37:52
● 2026-02-15 16:45:08
○ 2026-02-18 00:56:58
● 2026-03-07 19:06:36
● 2026-08-14 09:25:10
●A2606:4700:3031::6815:57572026-08-14 → 2026-08-14 · 2 obs
○ 2026-03-07 19:06:36
● 2026-08-14 09:25:10
○A2606:4700:3035::6815:57572026-02-15 → 2026-03-07 · 5 obs
○ 2021-01-07 13:37:52
● 2026-02-15 16:45:08
○ 2026-02-18 00:56:58
● 2026-03-07 19:06:36
○ 2026-08-14 09:25:10
○A2a06:98c1:3120::2026-02-18 → 2026-02-18 · 4 obs
○ 2026-02-15 16:45:08
● 2026-02-18 00:56:58
○ 2026-03-07 19:06:36
○ 2026-08-14 09:25:10
○A2a06:98c1:3121::2026-02-18 → 2026-02-18 · 4 obs
○ 2026-02-15 16:45:08
● 2026-02-18 00:56:58
○ 2026-03-07 19:06:36
○ 2026-08-14 09:25:10
○A80.172.241.462015-08-07 → 2016-05-10 · 4 obs
● 2015-08-07 16:32:16
● 2016-05-10 15:33:14
○ 2016-09-02 17:51:12
○ 2026-08-14 09:25:10
○A94.126.169.2392021-01-05 → 2021-01-07 · 5 obs
○ 2017-09-08 23:55:30
● 2021-01-05 20:10:02
● 2021-01-07 13:37:52
○ 2026-02-15 16:45:08
○ 2026-08-14 09:25:10

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
ptns2.nic.fr, h.dns.pt, c.dns.pt, a.dns.pt...15 records
rtc.ptedna.ns.cloudflare.com, brett.ns.cloudflare.com-

✅ Authoritative Response

Server:173.245.58.109

NS records: edna.ns.cloudflare.com, brett.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rtc.pt (unsigned zone)

⏱️ Timing

Total: 1353ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.142.136, 104.21.87.87
AAAA22606:4700:3031::6815:5757, 2606:4700:3030::ac43:8e88
NS2brett.ns.cloudflare.com, edna.ns.cloudflare.com
MX1smtp.google.com (pri: 1)
TXT2google-site-verification=NRvtnD2lz2pcQaQ, v=spf1 include:_spf.google.com include:m
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1brett.ns.cloudflare.com dns.cloudflare.c

📌 Glue Records Collected

Total: 15

In-bailiwick: 11 (h.dns.pt, g.dns.pt, e.dns.pt...)

Out-of-bailiwick: 4 (ns2.nic.fr, ns.dns.br, ns2.nic.fr...)

Analysis

Hierarchy

The domain www.rtc.pt falls under the parent rtc.pt.

IP Addresses

rtc.pt points to the four IP addresses 104.21.87.87, 172.67.142.136, 2606:4700:3030::ac43:8e88 and 2606:4700:3031::6815:5757.

Two other host names, along with tripscans78.cc, sweety-win.uk and falcon-bms.com, also share IP numbers with rtc.pt.

Name Servers

DNS delegation for rtc.pt points to two name servers: brett.ns.cloudflare.com and edna.ns.cloudflare.com.

rtc.pt shares its NS records with other domains, for example stormcast.com.au, arthamadani.co.id, gfwdw.com and two others.

At least some of rtc.pt's name servers are shared with other domains, for example cneonline.org, 1xbet-gywd.xyz, ashleynbrowning.com and two more.

These name servers tend to be used in conjunction with the name servers cortney.ns.cloudflare.com.

DNS names with 6 IP addresses:

brett.ns.cloudflare.com has IP addresses 108.162.193.76, 172.64.33.76 and 173.245.59.76, plus 3 other.

edna.ns.cloudflare.com has IP addresses 108.162.192.109, 172.64.32.109 and 173.245.58.109, plus 3 other.

Mail Servers

The sole mail server for rtc.pt is smtp.google.com.

Among the domains sharing a mail server setup with rtc.pt are lauraandmichael.us, kmhdfdj.com, mount-zion.org and two others.

There is at least a partial MX overlap between rtc.pt and other domains, including swisstribe.com, arterios.com, transagua.com and two others.

It is common to see these mail servers combined with the mail servers aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com.

With 9 IP addresses total, smtp.google.com resolves to 64.233.180.26, 64.233.180.27, 142.251.163.27 and 6 others.