rtb.cat - dns.ninja

`rtb.cat`

DNSSEC	⚠️ Not signed
A	185.199.108.153^{🇺🇸 Fastly185.199.108.0/24 GitHub - 185.199.108.0/24}
		PTR	`cdn-185-199-108-153.github.com`
A	185.199.109.153^{🇺🇸 Fastly185.199.109.0/24 GitHub - 185.199.109.0/24}
A	185.199.110.153^{🇺🇸 Fastly185.199.110.0/24 GitHub - 185.199.110.0/24}
A	185.199.111.153^{🇺🇸 Fastly185.199.111.0/24 GitHub - 185.199.111.0/24}
NS	`brad.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b69^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`brad.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c169^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`brad.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2169^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`brad.ns.cloudflare.com`
		A	108.162.193.105^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`brad.ns.cloudflare.com`
		A	172.64.33.105^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`brad.ns.cloudflare.com`
		A	173.245.59.105^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`brad.ns.cloudflare.com`
NS	`elsa.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a6f^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elsa.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c06f^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`elsa.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:206f^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`elsa.ns.cloudflare.com`
		A	108.162.192.111^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elsa.ns.cloudflare.com`
		A	172.64.32.111^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elsa.ns.cloudflare.com`
		A	173.245.58.111^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elsa.ns.cloudflare.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c1b::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`wv-in-f27.1e100.net`
		A	172.253.115.26^{🇺🇸 Google172.253.115.0/24}
			PTR	`bg-in-f26.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.26^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f26.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1a^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f26.1e100.net`
		A	172.253.116.26^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f26.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:4009:c0f::1a^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f26.1e100.net`
		A	192.178.223.27^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f27.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:400c:c23::1a^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`yubrupd-in-f26.1e100.net`
		A	172.253.157.26^{🇺🇸 Google172.253.0.0/16}
			PTR	`yubrupd-in-f26.1e100.net`
MX	`aspmx2.googlemail.com`⁽³⁰⁾
		A	2800:3f0:4003:c0f::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.26^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f26.1e100.net`
MX	`aspmx3.googlemail.com`⁽³⁰⁾
		A	2a00:1450:400b:c02::1b^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f27.1e100.net`
		A	172.253.116.26^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f26.1e100.net`
TXT	`google-site-verification=eC5MnwXGDc7Yw_NUIdtMvL1WtyweA4BRmLTAhQ5SwM0`
TXT	`google-site-verification=v15Gh8SBBiwLBhQcXYkr_6OpD7drbqpjPsshTUcwpJ4`
TXT	`v=spf1 a include:_spf.google.com ~all`
SOA	`brad.ns.cloudflare.com`dns@cloudflare.com serial=2409160049

`cat`

	DNSSEC	🔒 Signed (DS record present)
	NS	`anyc1.irondns.net` ⭐
	NS	`cat.ns.nic.es`
	NS	`cat.pch.net`
	NS	`nsc.nic.de`
	NS	`switch.nic.cat`
	SOA	`anyc1.irondns.net`dnsmaster@corenic.org serial=2607172142

⚠️ On DNS blocklist: ultimate

Subdomains

www.rtb.cat

Same first word

rtb.tv

rtb.ca

rtb.rs

rtb.com.tr

rtb.co.il

rtb.ink

rtb.ro

rtb.se

rtb.co.in

rtb.solutions

rtb.io

rtb.rv.ua

rtb.house

rtb.ie

rtb.sk

rtb.by

rtb.ru

rtb.exchange

rtb.org.uk

rtb.expert

rtb.com.ua

rtb.as

rtb.dev

rtb.im

rtb.dk

rtb.iq

rtb.kz

rtb.cc

rtb.it

rtb.link

rtb.website

rtb.casino

rtb.pl

rtb.my.id

rtb.be

rtb.events

rtb.org.tr

rtb.cat

rtb.com

rtb.canva-apps.cn

rtb.com.ru

rtb.com.au

rtb.us

rtb.digital

rtb.academy

rtb.mobi

rtb.net

rtb.network

rtb.gg

rtb.at

rtb.ch

rtb.info

rtb.name

rtb.nl

rtb.buzz

rtb.gov.bn

rtb.gov.rw

rtb.in

rtb.no

rtb.mx

rtb.la

rtb.world

rtb.media

rtb.eu

rtb.bf

rtb.agency

rtb.com.cn

rtb.fr

Similar names

rbt.ch

trb.ca

btr.fyi

btr.us

trb.co

trb.su

trb.tas.gov.au

rbt.no

btr.de

btr.nl

rbt.ie

tbr.co.jp

btr.rs

rbt.academy

rbt.co.nz

btr.pl

brt.hu

rbt.org.uk

rbt.us

btr.co

rbt.su

brt.org

btr.pm

btr.demon.nl

trb.services

tbr.info

trb.ee

trb.com

btr.com

tbr.ind.br

brt.dk

tbr.ovh

tbr.me

rbt.asia

brt.gs

trb.ch

brt.com.my

trb.pl

btr.center

rbt.fr

rbt.si

brt.co.jp

trb.ro

tbr.cc

brt.se

brt.fr

trb.fr

rbt.fi

brt.com.vn

trb.cz

tbr.is

btr.fr

brt.com.au

tbr.tv

brt.mv

trb.ba

tbr.bg

btr.in

rbt.com.ua

brt.vn

btr.be

btr.by

btr.dk

btr.org.il

btr.gr

tbr.pl

tbr.com.ar

tbr.it

tbr.ee

btr.tech

btr.eu

btr.ro

btr.ae

trb.media

rbt.co.id

rbt.com.au

brt.in.ua

brt.pl

trb.sa.edu.au

tbr.edu

brt.mobi

brt.eu

tbr.nl

brt.co.kr

btr.com.tr

trb.se

brt.ru

brt.ba

brt.cn

brt.lt

trb.to

trb.com.cn

rbt.psi.br

rbt.news

tbr.us

btr.su

btr.cz

btr.im

trb.org

trb.es

btr.at

rbt.cn

brt.solutions

tbr.com

brt.info

trb.agency

btr.lv

brt.cz

trb.com.ph

tbr.sk

tbr.nu

trb.co.in

brt.com

trb.fi

trb.kg

rbt.com.br

btr.ee

brt.ca

rbt.net.ua

rbt.lv

tbr.co.nz

rbt.group

brt.gmbh

trb.com.ua

brt.ee

rbt.nyc

rbt.guru

tbr.net.cn

rbt.demon.nl

brt.lv

brt.tj

rbt.rs

brt.(0x736578)y

tbr.at

rbt.pt

tbr.com.au

btr.lt

trb.bank

rbt.ca

tbr.be

trb.s3.amazonaws.com

rbt.awsapps.com

trb.com.de

rbt.cz

trb.dk

brt.rio

trb.it

brt.com.ua

rbt.se

btr.bet

rbt.pe

btr.pt

tbr.mobi

rbt.in

btr.co.nz

brt.by

rbt.ir

brt.ua

DNS History

25 records (13 active, 12 former)

●NSbrad.ns.cloudflare.com2026-03-23 → 2026-07-17 · 3 obs

○ 2021-09-18 03:26:26
● 2026-03-23 05:28:36
● 2026-07-17 21:49:54

●NSelsa.ns.cloudflare.com2026-03-23 → 2026-07-17 · 3 obs

○ 2021-09-18 03:26:26
● 2026-03-23 05:28:36
● 2026-07-17 21:49:54

○NSns0.dnsmadeeasy.com2017-01-05 → 2017-02-03 · 4 obs

● 2017-01-05 09:22:08
● 2017-02-03 17:37:22
○ 2017-10-04 16:49:04
○ 2026-07-17 21:49:54

○NSns0.taptap.mobi2017-01-05 → 2017-02-03 · 4 obs

● 2017-01-05 09:22:08
● 2017-02-03 17:37:22
○ 2017-10-04 16:49:04
○ 2026-07-17 21:49:54

○NSns1.dnsimple.com2017-10-04 → 2021-09-18 · 5 obs

○ 2017-02-03 17:37:22
● 2017-10-04 16:49:04
● 2021-09-18 03:26:26
○ 2026-03-23 05:28:36
○ 2026-07-17 21:49:54

○NSns1.taptap.mobi2017-01-05 → 2017-02-03 · 4 obs

● 2017-01-05 09:22:08
● 2017-02-03 17:37:22
○ 2017-10-04 16:49:04
○ 2026-07-17 21:49:54

○NSns2.dnsimple.com2017-10-04 → 2021-09-18 · 5 obs

○ 2017-02-03 17:37:22
● 2017-10-04 16:49:04
● 2021-09-18 03:26:26
○ 2026-03-23 05:28:36
○ 2026-07-17 21:49:54

○NSns2.taptap.mobi2017-01-05 → 2017-02-03 · 4 obs

● 2017-01-05 09:22:08
● 2017-02-03 17:37:22
○ 2017-10-04 16:49:04
○ 2026-07-17 21:49:54

○NSns3.dnsimple.com2017-10-04 → 2021-09-18 · 5 obs

○ 2017-02-03 17:37:22
● 2017-10-04 16:49:04
● 2021-09-18 03:26:26
○ 2026-03-23 05:28:36
○ 2026-07-17 21:49:54

○NSns3.taptap.mobi2017-01-05 → 2017-02-03 · 4 obs

● 2017-01-05 09:22:08
● 2017-02-03 17:37:22
○ 2017-10-04 16:49:04
○ 2026-07-17 21:49:54

○NSns4.dnsimple.com2017-10-04 → 2021-09-18 · 5 obs

○ 2017-02-03 17:37:22
● 2017-10-04 16:49:04
● 2021-09-18 03:26:26
○ 2026-03-23 05:28:36
○ 2026-07-17 21:49:54

○NSns4.taptap.mobi2017-01-05 → 2017-02-03 · 4 obs

● 2017-01-05 09:22:08
● 2017-02-03 17:37:22
○ 2017-10-04 16:49:04
○ 2026-07-17 21:49:54

●MXalt1.aspmx.l.google.com2017-01-05 → 2026-07-17 · 2 obs

● 2017-01-05 09:22:08
● 2026-07-17 21:49:54

●MXalt2.aspmx.l.google.com2017-01-05 → 2026-07-17 · 2 obs

● 2017-01-05 09:22:08
● 2026-07-17 21:49:54

●MXalt3.aspmx.l.google.com2017-10-04 → 2026-07-17 · 3 obs

○ 2017-01-05 09:22:08
● 2017-10-04 16:49:04
● 2026-07-17 21:49:54

●MXalt4.aspmx.l.google.com2017-10-04 → 2026-07-17 · 3 obs

○ 2017-01-05 09:22:08
● 2017-10-04 16:49:04
● 2026-07-17 21:49:54

●MXaspmx.l.google.com2017-01-05 → 2026-07-17 · 2 obs

● 2017-01-05 09:22:08
● 2026-07-17 21:49:54

●MXaspmx2.googlemail.com2017-01-05 → 2026-07-17 · 2 obs

● 2017-01-05 09:22:08
● 2026-07-17 21:49:54

●MXaspmx3.googlemail.com2017-01-05 → 2026-07-17 · 2 obs

● 2017-01-05 09:22:08
● 2026-07-17 21:49:54

●A185.199.108.1532020-10-12 → 2026-07-17 · 3 obs

○ 2017-10-04 16:49:04
● 2020-10-12 23:38:14
● 2026-07-17 21:49:54

●A185.199.109.1532020-10-12 → 2026-07-17 · 3 obs

○ 2017-10-04 16:49:04
● 2020-10-12 23:38:14
● 2026-07-17 21:49:54

●A185.199.110.1532020-10-12 → 2026-07-17 · 3 obs

○ 2017-10-04 16:49:04
● 2020-10-12 23:38:14
● 2026-07-17 21:49:54

●A185.199.111.1532020-10-12 → 2026-07-17 · 3 obs

○ 2017-10-04 16:49:04
● 2020-10-12 23:38:14
● 2026-07-17 21:49:54

○A192.30.252.1532017-01-05 → 2017-10-04 · 4 obs

● 2017-01-05 09:22:08
● 2017-10-04 16:49:04
○ 2020-10-12 23:38:14
○ 2026-07-17 21:49:54

○A192.30.252.1542017-01-05 → 2017-10-04 · 4 obs

● 2017-01-05 09:22:08
● 2017-10-04 16:49:04
○ 2020-10-12 23:38:14
○ 2026-07-17 21:49:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cat	cat.pch.net, anyc1.irondns.net, cat.ns.nic.es, nsc.nic.de...	10 records
rtb.cat	elsa.ns.cloudflare.com, brad.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.192.111

NS records: elsa.ns.cloudflare.com, brad.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rtb.cat (unsigned zone)

⏱️ Timing

Total: 1032ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`185.199.111.153, 185.199.110.153...`
NS	2	`brad.ns.cloudflare.com, elsa.ns.cloudflare.com`
MX	7	`aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...`
TXT	3	`google-site-verification=eC5MnwXGDc7Yw_N, google-site-verification=v15Gh8SBBiwLBhQ...`
SOA	1	`brad.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 10

In-bailiwick: 2 (switch.nic.cat, switch.nic.cat)

Out-of-bailiwick: 8 (anyc1.irondns.net, nsc.nic.de, cat.pch.net...)

Analysis

Hierarchy

www.rtb.cat is delegated beneath rtb.cat.

IP Addresses

rtb.cat directs to four IP numbers, which are 185.199.108.153, 185.199.109.153, 185.199.110.153 and 185.199.111.153.

Additional host names — www.aymerick.github.io, ant-design.github.io, theteddybearclinic.org and two others — share IP numbers with rtb.cat.

Name Servers

DNS delegation for rtb.cat points to two name servers: brad.ns.cloudflare.com and elsa.ns.cloudflare.com.

rtb.cat shares its name server setup with other domains, including simalfa-kulkote.com, voyage-tunnel.com, avox.app and two others.

There is at least partial name server overlap between rtb.cat and other domains — trc-solutions.com, korpukot.is, disdikmukomuko.id and two more among them.

These name servers frequently co-occur with the name servers emma.ns.cloudflare.com and trace.ns.cloudflare.com.

Host names with 6 IP numbers:

brad.ns.cloudflare.com has IP addresses 108.162.193.105, 172.64.33.105 and 173.245.59.105, plus 3 other.

elsa.ns.cloudflare.com has IP addresses 108.162.192.111, 172.64.32.111 and 173.245.58.111, plus 3 other.

Mail Servers

rtb.cat accepts email via 7 mail servers: aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com and 4 other.

rtb.cat shares mail servers — at least in part — with other domains, including ns500731.ns500742.ns500671.ns500705.ns500688.ns500704.ns500678.ns500688.ns500704.ns500678.ns500291.tenderladiesbz.com, vcygroup.com, studentexperiencenetwork.org and two others.

These mail servers are frequently used alongside mail servers alt2.aspmx.l.google.com, alt1.aspmx.l.google.com, alt3.aspmx.l.google.com and 3 other.

Host names with two IP numbers:

aspmx2.googlemail.com has two IP addresses: 108.177.123.26 and 2800:3f0:4003:c0f::1b.

aspmx3.googlemail.com has two IP addresses: 172.253.116.26 and 2a00:1450:400b:c02::1b.

aspmx.l.google.com has two IP addresses: 172.253.115.26 and 2607:f8b0:4004:c1b::1b.

alt1.aspmx.l.google.com has two IP addresses: 108.177.123.26 and 2800:3f0:4003:c0f::1b.

alt2.aspmx.l.google.com has two IP addresses: 172.253.116.26 and 2a00:1450:400b:c02::1a.

alt3.aspmx.l.google.com has two IP addresses: 192.178.223.27 and 2a00:1450:4009:c0f::1a.

alt4.aspmx.l.google.com has two IP addresses: 172.253.157.26 and 2a00:1450:400c:c23::1a.

Host names pointing to 2800:3f0:4003:c0f::1b IP addresses: aspmx2.googlemail.com and alt1.aspmx.l.google.com.

Host names pointing to 108.177.123.26 IP addresses: aspmx2.googlemail.com and alt1.aspmx.l.google.com.

Host names pointing to 172.253.116.26 IP addresses: aspmx3.googlemail.com and alt2.aspmx.l.google.com.