byskov.com - dns.ninja

`byskov.com`

DNSSEC	⚠️ Not signed
A	93.191.156.24^{🇩🇰 team-blue-denmark93.191.152.0/21 ZITCOM A/S}
		PTR	`linux179.unoeuro.com`
NS	`ns1.simply.com` ⭐ ⚠️ Not in parent delegation
		A	2a02:2339:1:15c::4562:4562^{🇩🇰 team-blue-denmark2a02:2339::/36}
			PTR	`ns1.simply.com`
		A	91.197.248.78^{🇩🇰 team-blue-denmark91.197.248.0/22}
			PTR	`ns1.simply.com`
NS	`ns1.unoeuro.com` ⚠️ Not in zone NS records
		A	91.197.248.78^{🇩🇰 team-blue-denmark91.197.248.0/22}
			PTR	`ns1.simply.com`
NS	`ns2.simply.com` ⚠️ Not in parent delegation
		A	2a02:2339:4006:101::4562:4562^{🇩🇰 team-blue-denmark2a02:2339:4000::/34}
			PTR	`ns2.simply.com`
		A	185.25.141.15^{🇩🇰 team-blue-denmark185.25.141.0/24 Zitcom A/S}
			PTR	`ns2.simply.com`
NS	`ns2.unoeuro.com` ⚠️ Not in zone NS records
		A	185.25.141.15^{🇩🇰 team-blue-denmark185.25.141.0/24 Zitcom A/S}
			PTR	`ns2.simply.com`
NS	`ns3.simply.com`
		A	91.197.248.79^{🇩🇰 team-blue-denmark91.197.248.0/22}
			PTR	`ns3.simply.com`
NS	`ns4.simply.com`
		A	91.197.248.80^{🇩🇰 team-blue-denmark91.197.248.0/22}
			PTR	`ns4.simply.com`
MX	`byskov-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca04::1^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db7pr03cu00401.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::7^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db4pr02cu00307.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::f^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db7pr03cu00507.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::8^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-as2pr05cu00100.inbound.protection.outlook.com`
		A	52.101.68.3^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db7pr03cu00403.inbound.protection.outlook.com`
		A	52.101.68.10^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-dbbpr03cu00102.inbound.protection.outlook.com`
		A	52.101.73.8^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am0pr04cu00500.inbound.protection.outlook.com`
		A	52.101.73.19^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-as8pr04cu00803.inbound.protection.outlook.com`
TXT	`v=spf1 a mx a:unoeuro-server.com include:spf.protection.outlook.com include:s...`
SOA	`ns1.simply.com`hostmaster@simply.com 2025-10-31 #1

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1782592740

Subdomains

martin.byskov.com

Same first word

byskov.name

byskov.de

byskov.com

byskov.co

byskov.org

byskov.dk

byskov.eu

byskov.net

Similar names

sbykov.ru

skovby.se

skovby.de

skovby.us

skovby.com

bykovs.com

skovby.cn

skovby.eu

skovby.net

skovby.nl

skovby.no

skovby.dk

skovby.me

skovby.org

DNS History

12 records (8 active, 4 former)

●NSns1.simply.com2026-04-03 → 2026-06-27 · 3 obs

○ 2017-05-13 07:05:06
● 2026-04-03 07:13:30
● 2026-06-27 20:41:54

●NSns1.unoeuro.com2026-04-03 → 2026-06-27 · 3 obs

○ 2017-05-13 07:05:06
● 2026-04-03 07:13:30
● 2026-06-27 20:41:54

○NSns100.worldnic.com2015-08-02 → 2017-05-13 · 4 obs

● 2015-08-02 09:45:00
● 2017-05-13 07:05:06
○ 2026-04-03 07:13:30
○ 2026-06-27 20:41:54

●NSns2.simply.com2026-04-03 → 2026-06-27 · 3 obs

○ 2017-05-13 07:05:06
● 2026-04-03 07:13:30
● 2026-06-27 20:41:54

●NSns2.unoeuro.com2026-04-03 → 2026-06-27 · 3 obs

○ 2017-05-13 07:05:06
● 2026-04-03 07:13:30
● 2026-06-27 20:41:54

●NSns3.simply.com2026-04-03 → 2026-06-27 · 3 obs

○ 2017-05-13 07:05:06
● 2026-04-03 07:13:30
● 2026-06-27 20:41:54

●NSns4.simply.com2026-04-03 → 2026-06-27 · 3 obs

○ 2017-05-13 07:05:06
● 2026-04-03 07:13:30
● 2026-06-27 20:41:54

○NSns99.worldnic.com2015-08-02 → 2017-05-13 · 4 obs

● 2015-08-02 09:45:00
● 2017-05-13 07:05:06
○ 2026-04-03 07:13:30
○ 2026-06-27 20:41:54

●MXbyskov-com.mail.protection.outlook.com2026-04-03 → 2026-06-27 · 3 obs

○ 2017-05-13 07:05:06
● 2026-04-03 07:13:30
● 2026-06-27 20:41:54

○MXmail.byskov.com2015-08-02 → 2017-05-13 · 4 obs

● 2015-08-02 09:45:00
● 2017-05-13 07:05:06
○ 2026-04-03 07:13:30
○ 2026-06-27 20:41:54

○A195.128.174.1332015-08-02 → 2017-05-13 · 4 obs

● 2015-08-02 09:45:00
● 2017-05-13 07:05:06
○ 2026-04-03 07:13:30
○ 2026-06-27 20:41:54

●A93.191.156.242026-04-03 → 2026-06-27 · 3 obs

○ 2017-05-13 07:05:06
● 2026-04-03 07:13:30
● 2026-06-27 20:41:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	e.gtld-servers.net, c.gtld-servers.net, h.gtld-servers.net, f.gtld-servers.net...	-
byskov.com	ns1.unoeuro.com, ns2.unoeuro.com, ns3.simply.com, ns4.simply.com	4 records

✅ Authoritative Response

Server:91.197.248.79

NS records: ns1.unoeuro.com, ns2.unoeuro.com, ns3.simply.com, ns4.simply.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for byskov.com (unsigned zone)

⏱️ Timing

Total: 360ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`93.191.156.24`
NS	4	`ns1.simply.com, ns4.simply.com...`
MX	1	`byskov-com.mail.protection.outlook.com (`
TXT	1	`v=spf1 a mx a:unoeuro-server.com include`
SOA	1	`ns1.simply.com hostmaster.simply.com`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns1.unoeuro.com, ns2.unoeuro.com, ns3.simply.com...)

Analysis

Hierarchy

martin.byskov.com is a subdomain of byskov.com.

IP Addresses

byskov.com points to a single IP number: 93.191.156.24.

Additional host names — x3d.dk, lajs.dk, afsi.se and two others — share IP numbers with byskov.com.

Name Servers

byskov.com is served by 6 authoritative name servers — among them ns1.simply.com, ns2.simply.com, ns3.simply.com and 3 others.

The name servers of byskov.com overlap at least partially with those of other domains — among them steenit.se, bolivianosensuecia.nu, mediainformation.dk and two more.

These name servers are frequently paired with the name servers ns4.simply.com, ns1.unoeuro.com, ns2.unoeuro.com and two others.

Host names with two IP numbers:

ns1.simply.com resolves to two addresses: 91.197.248.78 and 2a02:2339:1:15c::4562:4562.

ns2.simply.com resolves to two addresses: 185.25.141.15 and 2a02:2339:4006:101::4562:4562.

Host names pointing to a single IP address:

The hostname ns3.simply.com resolves to 91.197.248.79.

The hostname ns4.simply.com resolves to 91.197.248.80.

The hostname ns1.unoeuro.com resolves to 91.197.248.78.

The hostname ns2.unoeuro.com resolves to 185.25.141.15.

ns1.simply.com along with ns1.unoeuro.com each resolve to 91.197.248.78 IP addresses.

ns2.simply.com along with ns2.unoeuro.com each resolve to 185.25.141.15 IP addresses.

Mail Servers

byskov.com has one mail server: byskov-com.mail.protection.outlook.com.

byskov-com.mail.protection.outlook.com points to 8 IP numbers: 52.101.68.3, 52.101.68.10, 52.101.73.8 and 5 other.