jvt.dk

Records from scan: 2026-10-11 02:57:06 · 1134ms total · last checked 2026-10-17 12:07 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

jvt.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 1 December 2017 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.20.205.36 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by jvt-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 39ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records#

1 records 27ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.20.205.36	3600s	linux364.unoeuro.com	AS48854	team.blue Denmark A/S	185.20.204.0/22	🇩🇰 Denmark	—

📧 MX Records#

1 records 30ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	jvt-dk.mail.protection.outlook.com	2a01:111:f403:ca04::b 2a01:111:f403:ca04::d 2a01:111:f403:ca21::8 2a01:111:f403:ca48::e 52.101.103.36 52.101.209.153 52.101.68.29 52.101.68.8	mail-dbbpr03cu00103.inbound.protection.outlook.com mail-db6pr03cu00105.inbound.protection.outlook.com mail-matpr04cu00100.inbound.protection.outlook.com mail-miypr03cu00206.inbound.protection.outlook.com mail-miypr05cu00104.inbound.protection.outlook.com mail-cpjpr04cu00101.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-du0pr03cu00100.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	46.30.215.51

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 159ms

TXT Record
v=spf1 ip4:72.14.201.76/32 include:spf.protection.outlook.com include:mailgun.org include:_spf.simply.com -all

✉️ SPF#

Policy	Record (jvt.dk)
-all (hard fail)	v=spf1 ip4:72.14.201.76/32 include:spf.protection.outlook.com include:mailgun.org include:_spf.simply.com -all

📨 DMARC#

Policy	Record (_dmarc.jvt.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:ken@jysk-itsupport.dk; ruf=mailto:ken@jysk-itsupport.dk; fo=1

📬 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#

checked 2026-10-11 02:57:06

www	185.20.205.36 (AS48854) (address records, no CNAME)
www vs bare domain	Same network jvt.dk: 185.20.205.36 (AS48854) www.jvt.dk: 185.20.205.36 (AS48854)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
selector1	selector1-jvt-dk._domainkey.jyskvandteknik.onmicrosoft.com	RSA · ~1024 bit below 2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 7/10 · policy: -all

error include:_spf.simply.com has no SPF record: receivers that reach it return permerror (RFC 7208 §5.2)

🔗 TLSA / DANE#

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

🔐 DNSSEC#

60ms

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

🏷️ SOA#

35ms

Field	Value
Serial	2026101002
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-10 02:10:24

Field	Value
Registrar	ONE.COM A/S
Registered	2017-12-01
Expires	2026-12-31 (74d)

📋 WHOIS#

⏱️ Lookup Timing#

39ms

27ms

30ms

AAAA

34ms

TXT

159ms

CAA

51ms

HTTPS

33ms

TLSA

693ms

SOA

35ms

MTA-STS

42ms

DNSSEC

60ms

SRV

88ms

Total

1134ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-11 02:57:06 shown	1134ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-10 01:57:02	1777ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-24 20:45:12	1288ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-03 00:51:57	9673ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-27 18:37:47	4938ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-11 02:42:21	3551ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-25 23:31:12	1169ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-24 02:04:13	1581ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-22 11:30:29	1105ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-17 14:23:16	2872ms	2 NS 1 A 1 MX	🔒 Secure