jkv.dk

📜 Historical scan 2026-08-12 14:59:48 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

jkv.dk is a .dk domain served by 2 nameservers (daisy.ns.cloudflare.com, ned.ns.cloudflare.com). It was registered on 16 September 2021 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 136.244.103.91 is hosted by The Constant Company, LLC (AS20473) in The Netherlands. Mail is handled by jkv-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, 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 235ms

Nameserver	IP addresses	PTR	ASN / ISP
daisy.ns.cloudflare.com	108.162.192.90 172.64.32.90 173.245.58.90 2606:4700:50::adf5:3a5a 2803:f800:50::6ca2:c05a 2a06:98c1:50::ac40:205a	daisy.ns.cloudflare.com daisy.ns.cloudflare.com daisy.ns.cloudflare.com daisy.ns.cloudflare.com daisy.ns.cloudflare.com daisy.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
ned.ns.cloudflare.com	108.162.193.210 172.64.33.210 173.245.59.210 2606:4700:58::adf5:3bd2 2803:f800:50::6ca2:c1d2 2a06:98c1:50::ac40:21d2	ned.ns.cloudflare.com ned.ns.cloudflare.com ned.ns.cloudflare.com ned.ns.cloudflare.com ned.ns.cloudflare.com ned.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

1 records 297ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
136.244.103.91	300s	136.244.103.91.vultrusercontent.com	AS20473	The Constant Company, LLC	136.244.64.0/18	🇳🇱 The Netherlands	Amsterdam

📧 MX Records#

1 records 257ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	jkv-dk.mail.protection.outlook.com	2a01:111:f403:ca04::5 2a01:111:f403:ca04::b 2a01:111:f403:ca09::8 2a01:111:f403:ca09::d 52.101.68.0 52.101.68.27 52.101.68.29 52.101.73.28	mail-db3pr0202cu00205.inbound.protection.outlook.com mail-dbbpr03cu00103.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-as9pr05cu01305.inbound.protection.outlook.com mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-am7pr05cu00204.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

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 371ms

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

📝 TXT Records#

4 records 813ms

TXT Record
ca3-4da3d07079db408683a11b2e136a1c0f
MS=ms39996224
MS=ms64793449
v=spf1 ip4:95.154.18.41 ip4:46.32.146.237 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (jkv.dk)
-all (hard fail)	v=spf1 ip4:95.154.18.41 ip4:46.32.146.237 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 2026-10-11 02:41:01

www	104.21.28.167 172.67.146.231 2606:4700:3036::ac43:92e7 2606:4700:3037::6815:1ca7 (AS13335) (address records, no CNAME)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.jkv.dk	8DOWK0BkZgKGcfjk23uK0gCt5jmgAKKaOfQo-diJaXc

🔗 TLSA / DANE#

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

🔐 DNSSEC#

607ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

0ms

Field	Value
Serial	2411967509
Primary NS (MNAME)	daisy.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-11 02:59:16

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2021-09-16
Expires	2030-09-30 (1439d)

📋 WHOIS#

⏱️ Lookup Timing#

235ms

297ms

257ms

AAAA

274ms

TXT

813ms

CAA

272ms

HTTPS

259ms

TLSA

450ms

SOA

0ms

MTA-STS

402ms

DNSSEC

607ms

SRV

371ms

Total

7326ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-11 02:41:01	3254ms	2 NS 0 A 1 MX	🔓 Insecure
2026-09-30 17:33:55	2889ms	2 NS 0 A 1 MX	🔓 Insecure
2026-09-29 17:11:20	915ms	2 NS 0 A 1 MX	🔓 Insecure
2026-09-28 04:07:29	1030ms	2 NS 0 A 1 MX	🔓 Insecure
2026-09-26 03:36:14	1119ms	2 NS 0 A 1 MX	🔓 Insecure
2026-09-25 06:43:10	1050ms	2 NS 0 A 1 MX	🔓 Insecure
2026-09-24 06:26:17	1342ms	2 NS 0 A 1 MX	🔓 Insecure
2026-09-18 08:15:36	2317ms	2 NS 0 A 1 MX	🔓 Insecure
2026-09-11 06:34:05	2179ms	2 NS 0 A 1 MX	🔓 Insecure
2026-09-04 00:55:59	1173ms	2 NS 0 A 1 MX	🔓 Insecure
2026-08-25 20:15:34	3988ms	2 NS 0 A 1 MX	🔓 Insecure
2026-08-25 11:11:49	1307ms	2 NS 0 A 1 MX	🔓 Insecure
2026-08-13 21:47:17	1340ms	2 NS 0 A 1 MX	❓ Unknown
2026-08-12 14:59:48 shown	7326ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-20 07:50:54	815ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-18 06:52:56	1058ms	2 NS 1 A 1 MX	🔓 Insecure