rfbb.dk - dns.ninja

`rfbb.dk`

DNSSEC	⚠️ Not signed
A	104.19.240.93^{Cloudflare104.19.240.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
A	104.19.241.93^{Cloudflare104.19.240.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`hugh.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b75^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hugh.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c175^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`hugh.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2175^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`hugh.ns.cloudflare.com`
		A	108.162.193.117^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hugh.ns.cloudflare.com`
		A	172.64.33.117^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hugh.ns.cloudflare.com`
		A	173.245.59.117^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hugh.ns.cloudflare.com`
NS	`lauryn.ns.cloudflare.com`
		A	2606:4700:50::a29f:2616^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lauryn.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c216^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`lauryn.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2216^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`lauryn.ns.cloudflare.com`
		A	108.162.194.22^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lauryn.ns.cloudflare.com`
		A	162.159.38.22^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lauryn.ns.cloudflare.com`
		A	172.64.34.22^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lauryn.ns.cloudflare.com`
MX	`rfbb-dk.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca09::4^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am0pr04cu00504.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::c^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-as8pr05cu00304.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::d^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-as9pr05cu01305.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::f^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am7pr05cu00307.inbound.protection.outlook.com`
		A	52.101.68.15^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db6pr03cu00107.inbound.protection.outlook.com`
		A	52.101.73.1^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am3pr04cu00501.inbound.protection.outlook.com`
		A	52.101.73.2^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-as9pr07cu00302.inbound.protection.outlook.com`
		A	52.101.73.11^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am1pr04cu00103.inbound.protection.outlook.com`
TXT	`MS=ms14342904`
TXT	`google-site-verification=3XyiVcz3PSxGXh90snzilrwIaTwbBVlU4ItpBh5S6MQ`
TXT	`google-site-verification=wEwbyV4vKMFB_eNK_ubQ3FY-wJUruRAoirNOJpoWk20`
TXT	`lime-domain-verification=D8ADBD73D7DA200`
TXT	`v=spf1 include:spf.protection.outlook.com include:sendgrid.net -all`
SOA	`hugh.ns.cloudflare.com`dns@cloudflare.com serial=2405961645

`dk`

	DNSSEC	🔒 Signed (DS record present)
	NS	`b.nic.dk` ⭐
	NS	`c.nic.dk`
	NS	`h.nic.dk`
	NS	`l.nic.dk`
	NS	`s.nic.dk`
	NS	`t.nic.dk`
	TXT	`DK zone updateEpoch 1782110701localtime Mon Jun 22 08:45:01 2026gmtime Mon Ju...`
	SOA	`b.nic.dk`tech@punktum.dk serial=1782110701

rank #619201 globally
rank #1736 in the tld

Same first word

rfbb.com

rfbb.de

rfbb.dk

Similar names

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bbrf.de

fbbr.online

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bfrb.org

brbf.ru

bbfr.net

DNS History

5 records (5 active, 0 former)

●NShugh.ns.cloudflare.com2026-03-09 → 2026-06-22 · 2 obs

● 2026-03-09 07:42:02
● 2026-06-22 06:46:10

●NSlauryn.ns.cloudflare.com2026-03-09 → 2026-06-22 · 2 obs

● 2026-03-09 07:42:02
● 2026-06-22 06:46:10

●MXrfbb-dk.mail.protection.outlook.com2026-03-09 → 2026-06-22 · 2 obs

● 2026-03-09 07:42:02
● 2026-06-22 06:46:10

●A104.19.240.932026-03-09 → 2026-06-22 · 2 obs

● 2026-03-09 07:42:02
● 2026-06-22 06:46:10

●A104.19.241.932026-03-09 → 2026-06-22 · 2 obs

● 2026-03-09 07:42:02
● 2026-06-22 06:46:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dk	s.nic.dk, t.nic.dk, h.nic.dk, b.nic.dk...	12 records
rfbb.dk	hugh.ns.cloudflare.com, lauryn.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.59.117

NS records: hugh.ns.cloudflare.com, lauryn.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rfbb.dk (unsigned zone)

⏱️ Timing

Total: 853ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.19.241.93, 104.19.240.93`
NS	2	`hugh.ns.cloudflare.com, lauryn.ns.cloudflare.com`
MX	1	`rfbb-dk.mail.protection.outlook.com (pri`
TXT	5	`MS=ms14342904, google-site-verification=3XyiVcz3PSxGXh9...`
SOA	1	`hugh.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

In-bailiwick: 12 (t.nic.dk, s.nic.dk, l.nic.dk...)

Analysis

IP Addresses

rfbb.dk has two IP addresses: 104.19.240.93 and 104.19.241.93

Among the host names that share IP numbers with rfbb.dk are worksalot.com, *.polarisinternacional.com, daycasion.com and two others.

Name Servers

DNS delegation for rfbb.dk points to two name servers: hugh.ns.cloudflare.com and lauryn.ns.cloudflare.com.

rfbb.dk has the same name server delegation as a number of other domains, such as nafuvea.ru.com, nifeafu.ru.com, dk-gbc.dk and two more.

At least some of rfbb.dk's name servers are shared with other domains, for example mobilesoon.com, moneyburst.org, wisephants.com and two more.

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

Host names resolving to 6 IP numbers:

hugh.ns.cloudflare.com has IP addresses 108.162.193.117, 172.64.33.117 and 173.245.59.117, plus 3 other.

lauryn.ns.cloudflare.com has IP addresses 108.162.194.22, 162.159.38.22 and 172.64.34.22, plus 3 other.

Mail Servers

rfbb.dk routes its mail through a single mail server, rfbb-dk.mail.protection.outlook.com.

rfbb-dk.mail.protection.outlook.com directs to 8 IP numbers, including 52.101.68.15, 52.101.73.1 and 52.101.73.2, along with 5 other.