`kfbu.dk`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:1c84^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3031::ac43:9234^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.28.132^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.146.52^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`dana.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a69^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dana.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c069^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`dana.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2069^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`dana.ns.cloudflare.com`
		A	108.162.192.105^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dana.ns.cloudflare.com`
		A	172.64.32.105^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dana.ns.cloudflare.com`
		A	173.245.58.105^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dana.ns.cloudflare.com`
NS	`john.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bb9^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`john.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1b9^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`john.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21b9^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`john.ns.cloudflare.com`
		A	108.162.193.185^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`john.ns.cloudflare.com`
		A	172.64.33.185^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`john.ns.cloudflare.com`
		A	173.245.59.185^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`john.ns.cloudflare.com`
MX	`dk.mx1.mailanyone.net` ⭐
		A	2a01:77c0:1619:4100:6fa6:1315:2bd2:51cd^{🇩🇰 Amazon2a01:77c0:1619::/48 EC2 Prefix}
			PTR	`mx11.electric.net`
		A	192.162.219.155^{🇮🇪 Amazon192.162.219.0/24 EC2 Prefix}
			PTR	`mx41.electric.net`
MX	`dk.mx2.mx25.net`⁽²⁰⁾
		A	192.162.219.49^{🇮🇪 Amazon192.162.219.0/24 EC2 Prefix}
			PTR	`mx41.electric.net`
MX	`dk.mx3.mailanyone.net`⁽³⁰⁾
		A	2a01:77c0:1619:4101:d99:c22:fb4d:290e^{🇩🇰 Amazon2a01:77c0:1619::/48 EC2 Prefix}
			PTR	`mx10.electric.net`
		A	192.162.219.255^{🇮🇪 Amazon192.162.219.0/24 EC2 Prefix}
			PTR	`mx41.electric.net`
MX	`dk.mx4.mx25.net`⁽⁴⁰⁾
		A	192.162.219.255^{🇮🇪 Amazon192.162.219.0/24 EC2 Prefix}
			PTR	`mx41.electric.net`
TXT	`MS=ms20198090`
TXT	`include:spf.emailsignatures365.com`
TXT	`v=spf1 include:spf.protection.outlook.com include:spf.mailanyone.net ip4:40.1...`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.28.132, 172.67.146.52
		IPv6	2606:4700:3031::6815:1c84, 2606:4700:3031::ac43:9234
SOA	`dana.ns.cloudflare.com`dns@cloudflare.com serial=2398868259

`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 1774895941localtime Mon Mar 30 20:39:01 2026gmtime Mon Ma...`
	SOA	`b.nic.dk`tech@punktum.dk serial=1774895941

WOT: SAFE (68/100)

Same first word

kfbu.dk

kfbu.com

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fubk.edu.ng

ukfb.cn

ukbf.co.uk

bufk.se

fbuk.ru

ufkb.org

kbuf.org

ufbk.cn

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fbuk.net

fbku.com

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fbuk.org

kubf.or.kr

bukf.com

bfuk.de

ufkb.info

bkuf.com

fbuk.info

fbuk.com

kfub.de

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ukbf.de

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kufb.be

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ubkf.com

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bfku.com

bkuf.hu

fbuk.pl

ukfb.com

kufb.com

ukfb.co.uk

fkub.de

ufkb.co

bfuk.com

ukbf.com

DNS History

23 records (10 active, 13 former)

●NSdana.ns.cloudflare.com2017-04-03 → 2026-03-30 · 3 obs

○ 2016-08-10 20:48:42
● 2017-04-03 00:10:16
● 2026-03-30 18:55:48

●NSjohn.ns.cloudflare.com2017-04-03 → 2026-03-30 · 3 obs

○ 2016-08-10 20:48:42
● 2017-04-03 00:10:16
● 2026-03-30 18:55:48

○NSns1.surf-town.net2009-07-03 → 2016-08-10 · 6 obs

● 2009-07-03 00:22:44
○ 2015-07-25 02:46:54
● 2016-01-15 15:22:04
● 2016-08-10 20:48:42
○ 2017-04-03 00:10:16
○ 2026-03-30 18:55:48

○NSns2.surf-town.net2009-07-03 → 2016-08-10 · 6 obs

● 2009-07-03 00:22:44
○ 2015-07-25 02:46:54
● 2016-01-15 15:22:04
● 2016-08-10 20:48:42
○ 2017-04-03 00:10:16
○ 2026-03-30 18:55:48

○NSns3.surf-town.net2009-07-03 → 2016-08-10 · 6 obs

● 2009-07-03 00:22:44
○ 2015-07-25 02:46:54
● 2016-01-15 15:22:04
● 2016-08-10 20:48:42
○ 2017-04-03 00:10:16
○ 2026-03-30 18:55:48

●MXdk.mx1.mailanyone.net2026-03-27 → 2026-03-30 · 3 obs

○ 2017-04-03 00:10:16
● 2026-03-27 20:27:38
● 2026-03-30 18:55:48

●MXdk.mx2.mx25.net2026-03-27 → 2026-03-30 · 3 obs

○ 2017-04-03 00:10:16
● 2026-03-27 20:27:38
● 2026-03-30 18:55:48

●MXdk.mx3.mailanyone.net2026-03-27 → 2026-03-30 · 3 obs

○ 2017-04-03 00:10:16
● 2026-03-27 20:27:38
● 2026-03-30 18:55:48

●MXdk.mx4.mx25.net2026-03-27 → 2026-03-30 · 3 obs

○ 2017-04-03 00:10:16
● 2026-03-27 20:27:38
● 2026-03-30 18:55:48

○MXdkcphmx10.softcom.dk2009-07-03 → 2009-07-03 · 3 obs

● 2009-07-03 00:22:44
○ 2015-07-25 02:46:54
○ 2026-03-30 18:55:48

○MXdkcphmx12.softcom.dk2009-07-03 → 2009-07-03 · 3 obs

● 2009-07-03 00:22:44
○ 2015-07-25 02:46:54
○ 2026-03-30 18:55:48

○MXkfbu-dk.mx1.comendosystems.com2016-01-15 → 2017-04-03 · 5 obs

○ 2015-07-25 02:46:54
● 2016-01-15 15:22:04
● 2017-04-03 00:10:16
○ 2026-03-27 20:27:38
○ 2026-03-30 18:55:48

○MXkfbu-dk.mx2.comendosystems.net2016-01-15 → 2017-04-03 · 5 obs

○ 2015-07-25 02:46:54
● 2016-01-15 15:22:04
● 2017-04-03 00:10:16
○ 2026-03-27 20:27:38
○ 2026-03-30 18:55:48

●A104.21.28.1322026-03-27 → 2026-03-30 · 3 obs

○ 2017-04-03 00:10:16
● 2026-03-27 20:27:38
● 2026-03-30 18:55:48

○A104.31.64.1182017-04-03 → 2017-04-03 · 4 obs

○ 2016-08-10 20:48:42
● 2017-04-03 00:10:16
○ 2026-03-27 20:27:38
○ 2026-03-30 18:55:48

○A104.31.65.1182017-04-03 → 2017-04-03 · 4 obs

○ 2016-08-10 20:48:42
● 2017-04-03 00:10:16
○ 2026-03-27 20:27:38
○ 2026-03-30 18:55:48

●A172.67.146.522026-03-27 → 2026-03-30 · 3 obs

○ 2017-04-03 00:10:16
● 2026-03-27 20:27:38
● 2026-03-30 18:55:48

○A212.97.132.1152009-07-03 → 2009-07-03 · 3 obs

● 2009-07-03 00:22:44
○ 2015-07-25 02:46:54
○ 2026-03-30 18:55:48

○A2400:cb00:2048:1::681f:40762017-04-03 → 2017-04-03 · 4 obs

○ 2016-08-10 20:48:42
● 2017-04-03 00:10:16
○ 2026-03-27 20:27:38
○ 2026-03-30 18:55:48

○A2400:cb00:2048:1::681f:41762017-04-03 → 2017-04-03 · 4 obs

○ 2016-08-10 20:48:42
● 2017-04-03 00:10:16
○ 2026-03-27 20:27:38
○ 2026-03-30 18:55:48

●A2606:4700:3031::6815:1c842026-03-27 → 2026-03-30 · 3 obs

○ 2017-04-03 00:10:16
● 2026-03-27 20:27:38
● 2026-03-30 18:55:48

●A2606:4700:3031::ac43:92342026-03-27 → 2026-03-30 · 3 obs

○ 2017-04-03 00:10:16
● 2026-03-27 20:27:38
● 2026-03-30 18:55:48

○A93.180.82.382016-01-15 → 2016-08-10 · 5 obs

○ 2015-07-25 02:46:54
● 2016-01-15 15:22:04
● 2016-08-10 20:48:42
○ 2017-04-03 00:10:16
○ 2026-03-30 18:55:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dk	b.nic.dk, c.nic.dk, h.nic.dk, l.nic.dk...	-
kfbu.dk	john.ns.cloudflare.com, dana.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.192.105

NS records: john.ns.cloudflare.com, dana.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for kfbu.dk (unsigned zone)

⏱️ Timing

Total: 657ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.146.52, 104.21.28.132`
AAAA	2	`2606:4700:3031::ac43:9234, 2606:4700:3031::6815:1c84`
NS	2	`dana.ns.cloudflare.com, john.ns.cloudflare.com`
MX	4	`dk.mx1.mailanyone.net (pri: 10), dk.mx2.mx25.net (pri: 20)...`
TXT	3	`MS=ms20198090, include:spf.emailsignatures365.com...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`dana.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

kfbu.dk refers to four IP numbers: 2606:4700:3031::6815:1c84, 2606:4700:3031::ac43:9234, 104.21.28.132 and 172.67.146.52.

Other host names, for instance havoclayerco.digital, arotizenaition.com, hudznoryiqwsbmckmczdbclluh.chouyouji.com, www.verkkotrendeja.fi and kr-professional.ru share IP numbers with kfbu.dk.

Name Servers

kfbu.dk's delegation uses two name servers: dana.ns.cloudflare.com and john.ns.cloudflare.com.

kfbu.dk uses the same name server setup as other domains, such as sea.im, atomrelayvault.info, atomnexusvectorx.info, xn--mbelgruppen-ggb.dk and ipcd.dk.

kfbu.dk at least partially shares name servers with other domains, including paris-bus.com, behringer.com, jiersuan.com, gonyshop.net and twinklestore.com.

These name servers are commonly used together with the name servers dave.ns.cloudflare.com, walt.ns.cloudflare.com, stella.ns.cloudflare.com and princess.ns.cloudflare.com.

Host names with six IP numbers:

dana.ns.cloudflare.com points to 2606:4700:50::adf5:3a69, 2803:f800:50::6ca2:c069, 2a06:98c1:50::ac40:2069, 108.162.192.105, 172.64.32.105 and 173.245.58.105.

john.ns.cloudflare.com points to 2606:4700:58::adf5:3bb9, 2803:f800:50::6ca2:c1b9, 2a06:98c1:50::ac40:21b9, 108.162.193.185, 172.64.33.185 and 173.245.59.185.

Mail Servers

kfbu.dk is handled by four mail servers: dk.mx1.mailanyone.net, dk.mx3.mailanyone.net, dk.mx2.mx25.net and dk.mx4.mx25.net.

kfbu.dk shares at least some mail servers with other domains, for example dpa-system.dk, avkac.com, pi.gl, koge-bugt-kro.dk and geus.dk.

These mail servers are often used with mx12.electric.net and mx6.electric.net.

Hostnames with two IP numbers:

Host dk.mx1.mailanyone.net points to 2a01:77c0:1619:4100:6fa6:1315:2bd2:51cd and 192.162.219.155

Host dk.mx3.mailanyone.net points to 2a01:77c0:1619:4101:d99:c22:fb4d:290e and 192.162.219.255

Hostnames with one IP number:

Host dk.mx2.mx25.net points to 192.162.219.49

Host dk.mx4.mx25.net points to 192.162.219.255

Hostnames that point to 192.162.219.255: dk.mx3.mailanyone.net and dk.mx4.mx25.net

kfbu.dk - robtex.com

kfbu.dk

dk

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`kfbu.dk`

`dk`