jf-data.com - dns.ninja

`jf-data.com`

DNSSEC	⚠️ Not signed
A	94.137.135.228^{🇩🇰 team-blue-denmark94.137.128.0/20}
NS	`ns1.curanet.dk` ⭐
		A	2a02:2339:4006:108::123^{🇩🇰 team-blue-denmark2a02:2339:4000::/34}
			PTR	`ns1.curanet.dk`
		A	185.25.141.12^{🇩🇰 team-blue-denmark185.25.141.0/24 Zitcom A/S}
			PTR	`ns1.curanet.dk`
NS	`ns2.curanet.dk`
		A	2a02:2339:1:10f::123:123^{🇩🇰 team-blue-denmark2a02:2339::/36}
			PTR	`ns2.curanet.dk`
		A	91.197.248.75^{🇩🇰 team-blue-denmark91.197.248.0/22}
			PTR	`ns2.curanet.dk`
MX	`jfdata-com0e.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca04::b^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-dbbpr03cu00103.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::d^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db6pr03cu00105.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::1^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-as9pr07cu00301.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::d^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-as9pr05cu01305.inbound.protection.outlook.com`
		A	52.101.68.0^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db3pr0202cu00100.inbound.protection.outlook.com`
		A	52.101.68.15^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db6pr03cu00107.inbound.protection.outlook.com`
		A	52.101.68.21^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db4pr02cu00205.inbound.protection.outlook.com`
		A	52.101.73.12^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am4pr0401cu00104.inbound.protection.outlook.com`
TXT	`v=spf1 mx ip4:5.103.36.131 ip4:80.63.104.0/25 ip4:80.63.104.22 include:672785...`
TXT	`apple-domain-verification=QMV1jL59tvDCtAFU`
SOA	`ns1.curanet.dk`hostmaster@curanet.dk 2026-04-16 #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=1783744302

Subdomains

mail2.jf-data.com

join.jf-data.com

mail.jf-data.com

www.jf-data.com

mxmail.jf-data.com

Same first word

jf-data.dk

jf-data.com

DNS History

12 records (4 active, 8 former)

●NSns1.curanet.dk2026-02-15 → 2026-07-11 · 3 obs

○ 2017-05-30 09:26:38
● 2026-02-15 20:15:10
● 2026-07-11 04:56:46

○NSns1.uptime-it.dk2009-01-12 → 2017-05-30 · 4 obs

● 2009-01-12 19:22:12
● 2017-05-30 09:26:38
○ 2026-02-15 20:15:10
○ 2026-07-11 04:56:46

●NSns2.curanet.dk2026-02-15 → 2026-07-11 · 3 obs

○ 2017-05-30 09:26:38
● 2026-02-15 20:15:10
● 2026-07-11 04:56:46

○NSns2.uptime-it.dk2009-01-12 → 2017-05-30 · 4 obs

● 2009-01-12 19:22:12
● 2017-05-30 09:26:38
○ 2026-02-15 20:15:10
○ 2026-07-11 04:56:46

○NSns3.uptime-it.dk2009-01-12 → 2017-05-30 · 4 obs

● 2009-01-12 19:22:12
● 2017-05-30 09:26:38
○ 2026-02-15 20:15:10
○ 2026-07-11 04:56:46

○NSns4.uptime-it.dk2009-01-12 → 2017-05-30 · 4 obs

● 2009-01-12 19:22:12
● 2017-05-30 09:26:38
○ 2026-02-15 20:15:10
○ 2026-07-11 04:56:46

●MXjfdata-com0e.mail.protection.outlook.com2015-07-25 → 2026-07-11 · 3 obs

○ 2009-01-12 19:22:12
● 2015-07-25 13:14:24
● 2026-07-11 04:56:46

○MXmail.jf-data.com2009-01-12 → 2009-01-12 · 3 obs

● 2009-01-12 19:22:12
○ 2015-07-25 13:14:24
○ 2026-07-11 04:56:46

○A80.63.104.122015-07-25 → 2016-03-31 · 5 obs

○ 2009-01-12 19:22:12
● 2015-07-25 13:14:24
● 2016-03-31 14:02:52
○ 2016-09-18 01:13:40
○ 2026-07-11 04:56:46

○A80.63.104.52009-01-12 → 2009-01-12 · 3 obs

● 2009-01-12 19:22:12
○ 2015-07-25 13:14:24
○ 2026-07-11 04:56:46

○A80.63.104.912016-09-18 → 2017-05-30 · 5 obs

○ 2016-03-31 14:02:52
● 2016-09-18 01:13:40
● 2017-05-30 09:26:38
○ 2026-02-15 20:15:10
○ 2026-07-11 04:56:46

●A94.137.135.2282026-02-15 → 2026-07-11 · 3 obs

○ 2017-05-30 09:26:38
● 2026-02-15 20:15:10
● 2026-07-11 04:56:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, g.gtld-servers.net, e.gtld-servers.net, k.gtld-servers.net...	-
jf-data.com	ns1.curanet.dk, ns2.curanet.dk	-

✅ Authoritative Response

Server:91.197.248.75

NS records: ns1.curanet.dk, ns2.curanet.dk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for jf-data.com (unsigned zone)

⏱️ Timing

Total: 1417ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`94.137.135.228`
NS	2	`ns2.curanet.dk, ns1.curanet.dk`
MX	1	`jfdata-com0e.mail.protection.outlook.com`
TXT	2	`apple-domain-verification=QMV1jL59tvDCtA, v=spf1 mx ip4:5.103.36.131 ip4:80.63.104`
SOA	1	`ns1.curanet.dk hostmaster.curanet.dk`

Analysis

Hierarchy

jf-data.com has five child domains: mail2.jf-data.com, join.jf-data.com, mail.jf-data.com, www.jf-data.com and mxmail.jf-data.com.

IP Addresses

jf-data.com resolves to just one IP address, 94.137.135.228.

Two other host names, along with ple.dk, campusbornholm.dk and www.naturbornholm.dk, also share IP numbers with jf-data.com.

Name Servers

jf-data.com has two authoritative name servers — ns1.curanet.dk and ns2.curanet.dk.

jf-data.com shares its NS records with other domains, for example givskudzoo.dk, sandageradvokater.dk, railpad.dk and two others.

The name servers for jf-data.com overlap at least partially with those of other domains — for example albanicup.dk.

Both ns1.curanet.dk and ns2.curanet.dk have two IP addresses each. ns1.curanet.dk resolves to 185.25.141.12 and 2a02:2339:4006:108::123; ns2.curanet.dk resolves to 91.197.248.75 and 2a02:2339:1:10f::123:123.

Mail Servers

The sole mail server for jf-data.com is jfdata-com0e.mail.protection.outlook.com.

With 8 IP addresses total, jfdata-com0e.mail.protection.outlook.com resolves to 52.101.68.0, 52.101.68.15, 52.101.68.21 and 5 others.