`rb1.at`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:4dca^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::ac43:d373^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.77.202^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.211.115^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`michael.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c0c^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`michael.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c30c^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`michael.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:230c^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`michael.ns.cloudflare.com`
		A	108.162.195.12^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`michael.ns.cloudflare.com`
		A	162.159.44.12^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`michael.ns.cloudflare.com`
		A	172.64.35.12^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`michael.ns.cloudflare.com`
NS	`summer.ns.cloudflare.com`
		A	2606:4700:50::a29f:2609^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`summer.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c209^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`summer.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2209^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`summer.ns.cloudflare.com`
		A	108.162.194.9^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`summer.ns.cloudflare.com`
		A	162.159.38.9^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`summer.ns.cloudflare.com`
		A	172.64.34.9^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`summer.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.77.202, 172.67.211.115
		IPv6 hints	2606:4700:3030::6815:4dca, 2606:4700:3034::ac43:d373
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=52, name=cloudflare-ech.com
SOA	`michael.ns.cloudflare.com`dns@cloudflare.com serial=2409997216

`at`

	DNSSEC	🔒 Signed (DS record present)
	NS	`dns.nic.at` ⭐
	NS	`d.ns.at`
	NS	`j.ns.at`
	NS	`n.ns.at`
	NS	`ns1.univie.ac.at`
	NS	`ns2.univie.ac.at`
	NS	`r.ns.at`
	NS	`u.ns.at`
	SOA	`dns.nic.at`domain-admin@univie.ac.at serial=1784559602

Same first word

rb1.at

rb1.online

rb1.ca

rb1.nl

rb1.cn

rb1.com.br

rb1.co.uk

rb1.com.au

rb1.de

rb1.us

rb1.ru

rb1.com

rb1.org

Similar names

1br.org

1br.co

1br.ai

1br.lv

br1.jp

1rb.co.uk

1rb.ru

b1r.org

b1r.cn

br1.it

br1.com

1rb.com

b1r.ru

br1.net

1br.us

r1b.fr

1br.com

r1b.net

1rb.cn

br1.hr

1br.biz

1rb.biz

r1b.jp

br1.top

1rb.de

1br.de

b1r.com

br1.ch

1br.pl

1rb.su

1br.eu

br1.de

r1b.com

br1.es

br1.eu

br1.fun

1br.net

1br.co.il

b1r.de

1br.cc

1br.cn

1rb.org

1br.com.br

br1.ru

br1.biz

r1b.cz

br1.us

DNS History

11 records (6 active, 5 former)

●NSmichael.ns.cloudflare.com2026-06-25 → 2026-07-20 · 3 obs

○ 2019-03-22 08:51:52
● 2026-06-25 17:59:04
● 2026-07-20 15:42:14

○NSns1.internethosting.at2015-07-09 → 2019-03-22 · 4 obs

● 2015-07-09 15:54:00
● 2019-03-22 08:51:52
○ 2026-06-25 17:59:04
○ 2026-07-20 15:42:14

○NSns2.internethosting.at2015-07-09 → 2019-03-22 · 4 obs

● 2015-07-09 15:54:00
● 2019-03-22 08:51:52
○ 2026-06-25 17:59:04
○ 2026-07-20 15:42:14

●NSsummer.ns.cloudflare.com2026-06-25 → 2026-07-20 · 3 obs

○ 2019-03-22 08:51:52
● 2026-06-25 17:59:04
● 2026-07-20 15:42:14

○MXmail.rb1.at2015-07-09 → 2019-03-22 · 4 obs

● 2015-07-09 15:54:00
● 2019-03-22 08:51:52
○ 2026-06-25 17:59:04
○ 2026-07-20 15:42:14

●A104.21.77.2022026-07-20 → 2026-07-20 · 3 obs

○ 2026-06-25 17:59:04
● 2026-07-20 10:49:14
● 2026-07-20 15:42:14

○A159.69.67.2112019-03-22 → 2019-03-22 · 4 obs

○ 2017-01-29 21:04:04
● 2019-03-22 08:51:52
○ 2026-06-25 17:59:04
○ 2026-07-20 15:42:14

●A172.67.211.1152026-07-20 → 2026-07-20 · 3 obs

○ 2026-06-25 17:59:04
● 2026-07-20 10:49:14
● 2026-07-20 15:42:14

●A2606:4700:3030::6815:4dca2026-07-20 → 2026-07-20 · 3 obs

○ 2026-06-25 17:59:04
● 2026-07-20 10:49:14
● 2026-07-20 15:42:14

●A2606:4700:3034::ac43:d3732026-07-20 → 2026-07-20 · 3 obs

○ 2026-06-25 17:59:04
● 2026-07-20 10:49:14
● 2026-07-20 15:42:14

○A78.46.54.742015-07-09 → 2017-01-29 · 4 obs

● 2015-07-09 15:54:00
● 2017-01-29 21:04:04
○ 2019-03-22 08:51:52
○ 2026-07-20 15:42:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
at	u.ns.at, ns2.univie.ac.at, n.ns.at, d.ns.at...	-
rb1.at	summer.ns.cloudflare.com, michael.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.34.9

NS records: summer.ns.cloudflare.com, michael.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rb1.at (unsigned zone)

⏱️ Timing

Total: 539ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.77.202, 172.67.211.115`
AAAA	2	`2606:4700:3034::ac43:d373, 2606:4700:3030::6815:4dca`
NS	2	`michael.ns.cloudflare.com, summer.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`michael.ns.cloudflare.com dns.cloudflare`

Analysis

IP Addresses

rb1.at has four IP addresses: 104.21.77.202, 172.67.211.115, 2606:4700:3030::6815:4dca and 2606:4700:3034::ac43:d373.

campingworldoflubbock.com, verystep.com, 21korredores.com plus two other host names have IP numbers in common with rb1.at.

Name Servers

Two name servers handle the delegation for rb1.at: michael.ns.cloudflare.com and summer.ns.cloudflare.com.

The name server configuration of rb1.at is shared with other domains, for instance ev99.cx, thuiswerkhier.nl, windsofchange2021.nl and two others.

rb1.at has at least partial name server overlap with other domains, such as unalumcoeos.com, nirelthavoraq.com, fcwr.com.cn and two others.

It is common to see these name servers used together with name servers suzanne.ns.cloudflare.com and seamus.ns.cloudflare.com.

Hosts with 6 IP addresses each:

michael.ns.cloudflare.com resolves to 108.162.195.12, 162.159.44.12 and 172.64.35.12 among others, with 3 other IP addresses in total.

summer.ns.cloudflare.com resolves to 108.162.194.9, 162.159.38.9 and 172.64.34.9 among others, with 3 other IP addresses in total.

rb1.at - robtex.com

rb1.at

at

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

`rb1.at`

`at`