kju.dk

📜 Historical scan 2026-08-17 13:43:37 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

kju.dk is a .dk domain served by 2 nameservers (tegan.ns.cloudflare.com, toby.ns.cloudflare.com). It was registered on 7 November 2016 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.54.161 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by kju-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, 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 234ms

Nameserver	IP addresses	PTR	ASN / ISP
tegan.ns.cloudflare.com	108.162.192.226 172.64.32.226 173.245.58.226 2606:4700:50::adf5:3ae2 2803:f800:50::6ca2:c0e2 2a06:98c1:50::ac40:20e2	tegan.ns.cloudflare.com tegan.ns.cloudflare.com tegan.ns.cloudflare.com tegan.ns.cloudflare.com tegan.ns.cloudflare.com tegan.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
toby.ns.cloudflare.com	108.162.193.239 172.64.33.239 173.245.59.239 2606:4700:58::adf5:3bef 2803:f800:50::6ca2:c1ef 2a06:98c1:50::ac40:21ef	toby.ns.cloudflare.com toby.ns.cloudflare.com toby.ns.cloudflare.com toby.ns.cloudflare.com toby.ns.cloudflare.com toby.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

2 records 224ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.54.161	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.140.90	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 260ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	kju-dk.mail.protection.outlook.com	2a01:111:f403:ca04::4 2a01:111:f403:ca04::f 2a01:111:f403:ca09::1 2a01:111:f403:ca09::2 52.101.68.12 52.101.68.5 52.101.73.16 52.101.73.8	mail-db4pr02cu00204.inbound.protection.outlook.com mail-db7pr03cu00507.inbound.protection.outlook.com mail-as9pr07cu00301.inbound.protection.outlook.com mail-am0pr83cu00402.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-du2pr03cu00105.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-am0pr04cu00500.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 → 40.104.116.8

🔷 AAAA Records (IPv6)#

2 records 225ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::ac43:8c5a	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::6815:36a1	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 256ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.54.161,172.67.140.90 ech=AEX+DQBBjgAgACAGd+wmoXQPMjzXpkwY+ze8vrvyh3X6bHrF0BXN0GD2OwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:8c5a,2606:4700:3037::6815:36a1

🔌 SRV Records#

1 records 292ms

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

📝 TXT Records#

2 records 516ms

TXT Record
MS=ms14025998
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (kju.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 2026-10-19 16:31:53

www	104.21.54.161 172.67.140.90 2606:4700:3032::ac43:8c5a 2606:4700:3037::6815:36a1 (AS13335) (address records, no CNAME)
www vs bare domain	Same network kju.dk: 104.21.54.161 172.67.140.90 2606:4700:3032::ac43:8c5a 2606:4700:3037::6815:36a1 (AS13335) www.kju.dk: 104.21.54.161 172.67.140.90 2606:4700:3032::ac43:8c5a 2606:4700:3037::6815:36a1 (AS13335)
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.kju.dk	9btTFsxEAMyk9tGy-ZTtKj0lsVldxVfSqmjl5D5_-sA
TXT	_acme-challenge.kju.dk	EKKpNAz_5MIW6cHLfgHnCtTJzW9-3T7L_juwnV6hK8A

🔗 TLSA / DANE#

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

🔐 DNSSEC#

392ms

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	2412444855
Primary NS (MNAME)	tegan.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-17 16:57:20

Field	Value
Registrar	Simply.com A/S
Registered	2016-11-07
Expires	2026-11-30 (41d)

🔗 Same registrant#

7 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
0z.dk	Simply.com A/S
handsal.dk	Simply.com A/S
i-l.dk	Simply.com A/S
kodebank.dk	Simply.com A/S
kodedepot.dk	Simply.com A/S
sanselege.dk	Simply.com A/S
udfyld.dk	Simply.com A/S

📋 WHOIS#

⏱️ Lookup Timing#

234ms

224ms

260ms

AAAA

225ms

TXT

516ms

CAA

243ms

HTTPS

256ms

TLSA

732ms

SOA

0ms

MTA-STS

308ms

DNSSEC

392ms

SRV

292ms

Total

7053ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-19 16:31:52	1766ms	2 NS 2 A 2 MX	🔓 Insecure
2026-10-17 16:28:07	1927ms	2 NS 2 A 2 MX	🔓 Insecure
2026-10-08 23:11:10	1039ms	2 NS 2 A 2 MX	🔓 Insecure
2026-10-07 23:06:52	523ms	2 NS 2 A 2 MX	🔓 Insecure
2026-10-05 19:52:21	860ms	2 NS 2 A 2 MX	🔓 Insecure
2026-10-02 19:42:55	1108ms	2 NS 2 A 2 MX	🔓 Insecure
2026-09-29 19:19:30	644ms	2 NS 2 A 2 MX	🔓 Insecure
2026-09-23 23:54:37	964ms	2 NS 2 A 2 MX	🔓 Insecure
2026-09-21 17:08:18	3135ms	2 NS 2 A 2 MX	🔓 Insecure
2026-09-12 12:32:36	1557ms	2 NS 2 A 2 MX	🔓 Insecure
2026-08-25 12:41:09	2053ms	2 NS 2 A 2 MX	🔓 Insecure
2026-08-19 07:08:05	6095ms	2 NS 2 A 2 MX	🔓 Insecure
2026-08-17 13:43:37 shown	7053ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-10 17:12:42	1988ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-08 03:40:00	10561ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-19 08:21:01	3047ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-17 14:36:20	2651ms	2 NS 2 A 1 MX	🔓 Insecure