jj-holding.dk

📜 Historical scan 2026-06-26 05:46:40 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

jj-holding.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It was registered on 29 May 2008 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.21.40.26 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by jjholding-dk0e.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 171ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.curanet.dk	185.25.141.12 2a02:2339:4006:108::123	ns1.curanet.dk ns1.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.curanet.dk	2a02:2339:1:10f::123:123 91.197.248.75	ns2.curanet.dk ns2.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 191ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.21.40.26	3600s	mail.csnt.dk	AS48854	team.blue Denmark A/S	185.21.40.0/22	🇩🇰 Denmark	—

📧 MX Records#

1 records 234ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	jjholding-dk0e.mail.protection.outlook.com	2a01:111:f403:ca04::d 2a01:111:f403:ca09::20 2a01:111:f403:ca09::5 2a01:111:f403:ca09::e 52.101.68.12 52.101.68.36 52.101.73.19 52.101.73.26	mail-db6pr03cu00105.inbound.protection.outlook.com mail-as8pr05cu00400.inbound.protection.outlook.com mail-am1pr04cu00105.inbound.protection.outlook.com mail-am7pr05cu00206.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-db5pr02cu00104.inbound.protection.outlook.com mail-as8pr04cu00803.inbound.protection.outlook.com mail-as9pr05cu01302.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.56
🔶 Autoconfig	185.21.40.26

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 467ms

TXT Record
MS=ms58296373
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (jj-holding.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -all

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-09 18:22:33

www	185.21.40.26 (AS48854) (address records, no CNAME)
www vs bare domain	Same network jj-holding.dk: 185.21.40.26 (AS48854) www.jj-holding.dk: 185.21.40.26 (AS48854)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

316ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

211ms

Field	Value
Serial	2021111801
Primary NS (MNAME)	ns1.curanet.dk
Responsible (RNAME)	hostmaster@curanet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-16 14:43:10

Field	Value
Registrar	CURANET A/S
Registered	2008-05-29
Expires	2027-05-31 (216d)

🔗 Same registrant#

28 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

Domain	Registrar
affaldssortering.dk	CURANET A/S
byg-dag.dk	CURANET A/S
byggeriets-dag.dk	CURANET A/S
byggeriets-diversitetsdag.dk	CURANET A/S
cittimarkt.dk	CURANET A/S
clean-n-care.dk	CURANET A/S
csnt.dk	Punktum dk A/S (direct)
directmail.dk	CURANET A/S
directmails.dk	CURANET A/S
hellclausen.dk	CURANET A/S
hsklinik.dk	CURANET A/S
ingenrotter.dk	CURANET A/S
kastibak.dk	CURANET A/S
lege-riget.dk	Punktum dk A/S (direct)
legeriet.dk	Punktum dk A/S (direct)
legeriget.dk	Punktum dk A/S (direct)
lejeriet.dk	Punktum dk A/S (direct)
niklasvj.dk	Punktum dk A/S (direct)
reklamehus.dk	CURANET A/S
reklamehuset.dk	CURANET A/S
rhs-smtp.dk	CURANET A/S
rhs01.dk	CURANET A/S
rt49.dk	CURANET A/S
signandbrand.dk	CURANET A/S
thingvad-auto.dk	CURANET A/S
tonfor-sortering.dk	CURANET A/S
vizuel.dk	CURANET A/S
wildlove.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

171ms

191ms

234ms

AAAA

199ms

TXT

467ms

CAA

173ms

HTTPS

185ms

TLSA

326ms

SOA

211ms

MTA-STS

229ms

DNSSEC

316ms

SRV

220ms

Total

1552ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-27 09:41:37	9717ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-25 10:14:22	747ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-26 05:46:40 shown	1552ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-24 13:46:01	1127ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-18 16:20:51	1589ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 19:08:35	995ms	2 NS 1 A 1 MX	🔒 Secure