bysf.dk - dns.ninja

`bysf.dk`

DNSSEC	🔒 Signed (DS record present)
A	94.231.109.43^{🇩🇰 team-blue-denmark94.231.96.0/20 ZITCOM A/S}
		PTR	`web2.curanet.dk`
NS	`ns01.one.com` ⭐
		A	2001:67c:28cc::10^{ONECOM-INFRA2001:67c:28cc::/48}
			PTR	`ns01.one.com`
		A	195.206.121.10^{ONECOM-INFRA195.206.121.0/24}
			PTR	`ns01.one.com`
NS	`ns02.one.com`
		A	2001:67c:3c0::10^{🇩🇰 ONECOM2001:67c:3c0::/48}
			PTR	`ns02.one.com`
		A	185.10.11.10^{ONECOM185.10.11.0/24}
			PTR	`ns02.one.com`
MX	`mx1.pub.mailpod4-cph3.one.com` ⭐
		A	185.164.14.38^{🇩🇰 ONECOM185.164.12.0/22 Onecom.A/S}
			PTR	`mx1.pub.mailpod4-cph3.one.com`
MX	`mx2.pub.mailpod4-cph3.one.com` ⭐
		A	185.164.14.39^{🇩🇰 ONECOM185.164.12.0/22 Onecom.A/S}
			PTR	`mx2.pub.mailpod4-cph3.one.com`
MX	`mx3.pub.mailpod4-cph3.one.com` ⭐
		A	185.164.14.40^{🇩🇰 ONECOM185.164.12.0/22 Onecom.A/S}
			PTR	`mx3.pub.mailpod4-cph3.one.com`
SOA	`ns01.one.com`hostmaster@one.com 2026-04-02 #1

`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 1782841141localtime Tue Jun 30 19:39:01 2026gmtime Tue Ju...`
	SOA	`b.nic.dk`tech@punktum.dk serial=1782841141

Subdomains

www.bysf.dk

Same first word

bysf.com

bysf.dk

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DNS History

10 records (6 active, 4 former)

●NSns01.one.com2015-04-25 → 2026-06-30 · 2 obs

● 2015-04-25 18:04:00
● 2026-06-30 17:55:28

●NSns02.one.com2015-04-25 → 2026-06-30 · 2 obs

● 2015-04-25 18:04:00
● 2026-06-30 17:55:28

●MXmx1.pub.mailpod4-cph3.one.com2026-04-08 → 2026-06-30 · 3 obs

○ 2017-06-05 20:44:40
● 2026-04-08 16:20:34
● 2026-06-30 17:55:28

●MXmx2.pub.mailpod4-cph3.one.com2026-04-08 → 2026-06-30 · 3 obs

○ 2017-06-05 20:44:40
● 2026-04-08 16:20:34
● 2026-06-30 17:55:28

●MXmx3.pub.mailpod4-cph3.one.com2026-04-08 → 2026-06-30 · 3 obs

○ 2017-06-05 20:44:40
● 2026-04-08 16:20:34
● 2026-06-30 17:55:28

○MXmxcluster1.one.com2015-04-25 → 2017-06-05 · 4 obs

● 2015-04-25 18:04:00
● 2017-06-05 20:44:40
○ 2026-04-08 16:20:34
○ 2026-06-30 17:55:28

○MXmxcluster2.one.com2015-04-25 → 2017-06-05 · 4 obs

● 2015-04-25 18:04:00
● 2017-06-05 20:44:40
○ 2026-04-08 16:20:34
○ 2026-06-30 17:55:28

○A46.30.212.2102015-04-25 → 2016-04-18 · 4 obs

● 2015-04-25 18:04:00
● 2016-04-18 08:19:02
○ 2017-06-05 20:44:40
○ 2026-06-30 17:55:28

○A46.30.213.672017-06-05 → 2017-06-05 · 4 obs

○ 2016-04-18 08:19:02
● 2017-06-05 20:44:40
○ 2026-04-08 16:20:34
○ 2026-06-30 17:55:28

●A94.231.109.432026-04-08 → 2026-06-30 · 3 obs

○ 2017-06-05 20:44:40
● 2026-04-08 16:20:34
● 2026-06-30 17:55:28

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dk	l.nic.dk, s.nic.dk, t.nic.dk, b.nic.dk...	-
bysf.dk	ns01.one.com, ns02.one.com	-

✅ Authoritative Response

Server:2001:67c:28cc::10

NS records: ns01.one.com, ns02.one.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 3955ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`94.231.109.43`
NS	2	`ns01.one.com, ns02.one.com`
MX	3	`mx3.pub.mailpod4-cph3.one.com (pri: 10), mx2.pub.mailpod4-cph3.one.com (pri: 10)...`
SOA	1	`ns01.one.com hostmaster.one.com`

Analysis

Hierarchy

The domain www.bysf.dk falls under the parent bysf.dk.

IP Addresses

bysf.dk points to a single IP number: 94.231.109.43.

Additional host names — cyber4all.com, mail.btk-grenaa.dk, mail.nkmusic.dk and two others — share IP numbers with bysf.dk.

Name Servers

The NS records for bysf.dk delegate to ns01.one.com and ns02.one.com.

bysf.dk shares its name server setup with other domains, including watchhorseracing.co.uk, dkrs.se, mogren.dk and two others.

ns01.one.com resolves to 195.206.121.10 and 2001:67c:28cc::10. Likewise, ns02.one.com resolves to 185.10.11.10 and 2001:67c:3c0::10 — two IP addresses apiece.

Mail Servers

The MX records for bysf.dk list three mail servers: mx1.pub.mailpod4-cph3.one.com, mx2.pub.mailpod4-cph3.one.com and mx3.pub.mailpod4-cph3.one.com.

bysf.dk shares mail servers — at least in part — with other domains, including ajepowertrain.com, ellibe.se, nortef.se and two others.

mx1.pub.mailpod4-cph3.one.com has IP address 185.164.14.38, mx2.pub.mailpod4-cph3.one.com has IP address 185.164.14.39 and mx3.pub.mailpod4-cph3.one.com has IP address 185.164.14.40 — one address each.