joinjet.dk

📜 Historical scan 2026-10-13 04:53:05 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

joinjet.dk is a .dk domain served by 2 nameservers (amber.ns.cloudflare.com, hugh.ns.cloudflare.com). It was registered on 17 March 2011 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.93.71 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by joinjet-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 47ms

Nameserver	IP addresses	PTR	ASN / ISP
amber.ns.cloudflare.com	108.162.192.64 172.64.32.64 173.245.58.64 2606:4700:50::adf5:3a40 2803:f800:50::6ca2:c040 2a06:98c1:50::ac40:2040	amber.ns.cloudflare.com amber.ns.cloudflare.com amber.ns.cloudflare.com amber.ns.cloudflare.com amber.ns.cloudflare.com amber.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
hugh.ns.cloudflare.com	108.162.193.117 172.64.33.117 173.245.59.117 2606:4700:58::adf5:3b75 2803:f800:50::6ca2:c175 2a06:98c1:50::ac40:2175	hugh.ns.cloudflare.com hugh.ns.cloudflare.com hugh.ns.cloudflare.com hugh.ns.cloudflare.com hugh.ns.cloudflare.com hugh.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 42ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.93.71	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.206.102	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 43ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	joinjet-dk.mail.protection.outlook.com	2a01:111:f403:c967::8 2a01:111:f403:ca04::a 2a01:111:f403:ca09::a 2a01:111:f403:ca21::e 52.101.103.137 52.101.68.21 52.101.68.29 52.101.73.123	mail-cpjpr04cu00100.inbound.protection.outlook.com mail-du0pr03cu00102.inbound.protection.outlook.com mail-am7pr02cu00202.inbound.protection.outlook.com mail-matpr04cu00306.inbound.protection.outlook.com mail-miypr02cu00101.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-am6pr02cu00203.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

🔷 AAAA Records (IPv6)#

2 records 34ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::6815:5d47	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3033::ac43:ce66	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 43ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.93.71,172.67.206.102 ech=AEX+DQBB9wAgACCqTtsyqssKocINIKXG3MUBEQM/IlXxMKtQ3T7NV6B4MQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:5d47,2606:4700:3033::ac43:ce66

🔌 SRV Records#

1 records 77ms

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

📝 TXT Records#

2 records 190ms

TXT Record
MS=ms48264645
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (joinjet.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 2026-10-21 06:47:14

www	104.21.93.71 172.67.206.102 2606:4700:3033::6815:5d47 2606:4700:3033::ac43:ce66 (AS13335) (address records, no CNAME)
www vs bare domain	Same network joinjet.dk: 104.21.93.71 172.67.206.102 2606:4700:3033::6815:5d47 2606:4700:3033::ac43:ce66 (AS13335) www.joinjet.dk: 104.21.93.71 172.67.206.102 2606:4700:3033::6815:5d47 2606:4700:3033::ac43:ce66 (AS13335)
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEY	Delete signal: the zone asks the registry to remove its DS (go insecure) 1 CDS, 1 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.joinjet.dk	JNhYkm6vlrZr1lIfQ8XvAtxNrKvs9OT6QJlckXABicQ
TXT	_acme-challenge.joinjet.dk	SRmmQXbh53P9GjB1p6JZERdV4DizhoUBcE5MvfGrz5w

🔗 TLSA / DANE#

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

🔐 DNSSEC#

67ms

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

🏷️ SOA#

33ms

Field	Value
Serial	2417329420
Primary NS (MNAME)	amber.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-15 06:32:45

Field	Value
Registrar	Simply.com A/S
Registered	2011-03-17
Expires	2027-03-31 (159d)

🔗 Same registrant#

3 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
samro.dk	Simply.com A/S
sun-airgroup.dk	Simply.com A/S
sunair.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

47ms

42ms

43ms

AAAA

34ms

TXT

190ms

CAA

46ms

HTTPS

43ms

TLSA

619ms

SOA

33ms

MTA-STS

62ms

DNSSEC

67ms

SRV

77ms

Total

1088ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-21 06:47:14	1099ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-15 06:17:16	2520ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-13 04:53:05 shown	1088ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-08 17:43:51	964ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-30 13:58:10	1257ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-27 14:08:34	3266ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-16 13:27:06	1536ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-05 02:21:18	1230ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-25 03:22:03	2763ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-22 06:53:11	18179ms	2 NS 0 A 1 MX	🔓 Insecure
2026-08-16 19:51:40	6033ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-15 04:40:47	2279ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-13 20:33:48	2178ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-01 04:27:37	1671ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-06 11:18:42	6963ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-05 00:08:47	10837ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-02 09:45:05	1800ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-21 08:57:38	3402ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-20 00:04:33	2091ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-18 13:24:47	2030ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-18 01:04:50	1394ms	2 NS 2 A 1 MX	🔓 Insecure