jva.dk

📜 Historical scan 2026-08-26 09:48:10 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

jva.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It was registered on 22 February 1999 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 135.181.114.249 is hosted by Hetzner Online GmbH (AS24940) in Finland. Mail is handled by jva-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, has no DMARC policy and is reachable over IPv6. 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 50ms

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#

2 records 75ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
135.181.114.249	10800s	fi-t2.seravo.net	AS24940	Hetzner Online GmbH	135.181.0.0/16	🇫🇮 Finland	Helsinki
135.181.214.124	10800s	fi-t1.seravo.net	AS24940	Hetzner Online GmbH	135.181.0.0/16	🇫🇮 Finland	Helsinki

📧 MX Records#

1 records 48ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	jva-dk.mail.protection.outlook.com	2a01:111:f403:ca04:: 2a01:111:f403:ca04::a 2a01:111:f403:ca04::c 2a01:111:f403:ca09::4 52.101.68.18 52.101.73.126 52.101.73.153 52.101.73.16	mail-db3pr0202cu00100.inbound.protection.outlook.com mail-du0pr03cu00102.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-am0pr04cu00504.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-am8pr83cu00106.inbound.protection.outlook.com mail-as8pr05cu00401.inbound.protection.outlook.com mail-as2pr05cu00100.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 → 40.104.116.40
🔶 Autoconfig	fi-tolonen.seravo.com → 135.181.114.249

🔷 AAAA Records (IPv6)#

2 records 54ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a01:4f9:3a:2c43::2	10800s	fi-t1.seravo.net	AS24940	Hetzner Online GmbH	2a01:4f8:0:0:0:0:0:0/31	🇫🇮 Finland	Helsinki
2a01:4f9:4b:1ac6::2	10800s	fi-t2.seravo.net	AS24940	Hetzner Online GmbH	2a01:4f8:0:0:0:0:0:0/31	🇫🇮 Finland	Helsinki

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 93ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records#

2 records 178ms

TXT Record
MS=ms38609923
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (jva.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 2026-10-07 17:47:55

www CNAME	fi-tolonen.seravo.com (all on seravo.com) → 135.181.114.249 135.181.214.124 2a01:4f9:3a:2c43::2 2a01:4f9:4b:1ac6::2 (AS24940)
www vs bare domain	Different networks jva.dk: 93.191.155.240 (AS48854) www.jva.dk: 135.181.114.249 135.181.214.124 2a01:4f9:3a:2c43::2 2a01:4f9:4b:1ac6::2 (AS24940) (all like this)
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

🔏 ACME Challenge#

Type	Name	Value
CNAME	_acme-challenge.jva.dk	fi-tolonen.seravo.com

🔗 TLSA / DANE#

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

🔐 DNSSEC#

127ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2024022701
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 2026-10-06 01:14:53

Field	Value
Registrar	CURANET A/S
Registered	1999-02-22
Expires	2027-03-31 (165d)

📋 WHOIS#

⏱️ Lookup Timing#

50ms

75ms

48ms

AAAA

54ms

TXT

178ms

CAA

51ms

HTTPS

56ms

TLSA

291ms

SOA

0ms

MTA-STS

127ms

DNSSEC

127ms

SRV

93ms

Total

1559ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 14:54:14	651ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-23 20:15:14	1126ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-26 09:48:10 shown	1559ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-24 19:16:22	1939ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-24 12:31:28	1012ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-23 10:19:34	1118ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-18 03:49:24	2104ms	2 NS 2 A 1 MX	🔒 Secure