jtt.dk

📜 Historical scan 2026-06-17 15:10:39 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

jtt.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It was registered on 18 November 1998 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 195.178.15.249 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by jtt-dk.mail.protection.outlook.com. The zone is of unknown DNSSEC status, 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 33ms

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 33ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
195.178.15.249	—	web-one.opening.dk	AS48854	team.blue Denmark A/S	195.178.14.0/23	🇩🇰 Denmark	—

📧 MX Records#

1 records 26ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	—	jtt-dk.mail.protection.outlook.com	2a01:111:f403:ca09:: 2a01:111:f403:ca09::2 2a01:111:f403:ca09::9 2a01:111:f403:ca09::c 52.101.68.21 52.101.68.32 52.101.68.36 52.101.73.6	mail-am3pr04cu00500.inbound.protection.outlook.com mail-am0pr83cu00402.inbound.protection.outlook.com mail-as8pr04cu00801.inbound.protection.outlook.com mail-as8pr05cu00304.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-db3pr0202cu00200.inbound.protection.outlook.com mail-db5pr02cu00104.inbound.protection.outlook.com mail-am6pr04cu00306.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

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

4 records 202ms

TXT Record
google-site-verification=d7LImqe6oRifTEcGZI4JHDEOWEK7aTCfoEoY7aGkJe0
google-site-verification=soH409jH3OBv_Wxwnb3bgRpVKvkMyxWf3cQt0BgbdAM
MS=ms87443748
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (jtt.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 2026-10-10 22:05:57

www	195.178.15.249 (AS48854) (address records, no CNAME)
www vs bare domain	Same network jtt.dk: 195.178.15.249 (AS48854) www.jtt.dk: 195.178.15.249 (AS48854)
Wildcard	No
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#

55ms

Check	Result
Validation Status	❓ Unknown
AD Flag (resolver validates)	✗ Not set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	ds=1 dnskey=1

🏷️ SOA#

31ms

Field	Value
Serial	2026012701
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 2026-10-08 09:11:49

Field	Value
Registrar	CURANET A/S
Registered	1998-11-18
Expires	2026-12-31 (74d)

📋 WHOIS#

⏱️ Lookup Timing#

33ms

26ms

AAAA

35ms

TXT

202ms

CAA

31ms

HTTPS

32ms

TLSA

2035ms

SOA

31ms

MTA-STS

85ms

DNSSEC

55ms

SRV

0ms

Total

2705ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-02 12:27:45	2006ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-15 03:40:47	3415ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-26 09:25:04	2817ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 15:10:39 shown	2705ms	2 NS 1 A 1 MX	❓ Unknown