jctrykluft.dk

Records from scan: 2026-10-09 12:38:48 · 1791ms total · last checked 2026-10-17 23:18 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

jctrykluft.dk is a .dk domain served by 2 nameservers (justin.ns.cloudflare.com, nia.ns.cloudflare.com). It was registered on 9 November 2004 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.1.183 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by jctrykluft-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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 38ms

Nameserver	IP addresses	PTR	ASN / ISP
justin.ns.cloudflare.com	108.162.193.187 172.64.33.187 173.245.59.187 2606:4700:58::adf5:3bbb 2803:f800:50::6ca2:c1bb 2a06:98c1:50::ac40:21bb	justin.ns.cloudflare.com justin.ns.cloudflare.com justin.ns.cloudflare.com justin.ns.cloudflare.com justin.ns.cloudflare.com justin.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
nia.ns.cloudflare.com	108.162.192.210 172.64.32.210 173.245.58.210 2606:4700:50::adf5:3ad2 2803:f800:50::6ca2:c0d2 2a06:98c1:50::ac40:20d2	nia.ns.cloudflare.com nia.ns.cloudflare.com nia.ns.cloudflare.com nia.ns.cloudflare.com nia.ns.cloudflare.com nia.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 43ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.1.183	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.152.81	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 36ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	jctrykluft-dk.mail.protection.outlook.com	2a01:111:f403:ca04::4 2a01:111:f403:ca04::d 2a01:111:f403:ca38::8 2a01:111:f403:ca3c::8 52.101.103.137 52.101.181.153 52.101.209.31 52.101.68.15	mail-db4pr02cu00204.inbound.protection.outlook.com mail-db6pr03cu00105.inbound.protection.outlook.com mail-wa4pr04cu00100.inbound.protection.outlook.com mail-zrxpr05cu00100.inbound.protection.outlook.com mail-miypr02cu00101.inbound.protection.outlook.com mail-wa4pr04cu00101.inbound.protection.outlook.com mail-cpjpr05cu00207.inbound.protection.outlook.com mail-db6pr03cu00107.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 → 52.98.154.136
🔶 Autoconfig	autoconfig-mf.onlinemail.io → 185.21.40.62

🔷 AAAA Records (IPv6)#

2 records 37ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3034::6815:1b7	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::ac43:9851	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 75ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.1.183,172.67.152.81 ech=AEX+DQBByQAgACDP8GQzsa/W6e8MrE5aA49KvQdXbhUQC/U/khKIXUU+NwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::6815:1b7,2606:4700:3036::ac43:9851

📝 TXT Records#

1 records 230ms

TXT Record
v=spf1 include:spf.protection.outlook.com ip4:152.115.36.122 -all

✉️ SPF#

Policy	Record (jctrykluft.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com ip4:152.115.36.122 -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#

checked 2026-10-09 12:38:48

www	104.21.1.183 172.67.152.81 2606:4700:3034::6815:1b7 2606:4700:3036::ac43:9851 (AS13335) (address records, no CNAME)
www vs bare domain	Same network jctrykluft.dk: 104.21.1.183 172.67.152.81 2606:4700:3034::6815:1b7 2606:4700:3036::ac43:9851 (AS13335) www.jctrykluft.dk: 104.21.1.183 172.67.152.81 2606:4700:3034::6815:1b7 2606:4700:3036::ac43:9851 (AS13335)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

123ms

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

🏷️ SOA#

77ms

Field	Value
Serial	2416374302
Primary NS (MNAME)	justin.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-03 08:19:31

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2004-11-09
Expires	2026-11-30 (43d)

📋 WHOIS#

⏱️ Lookup Timing#

38ms

43ms

36ms

AAAA

37ms

TXT

230ms

CAA

45ms

HTTPS

75ms

TLSA

628ms

SOA

77ms

MTA-STS

90ms

DNSSEC

123ms

SRV

95ms

Total

1791ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 12:38:48 shown	1791ms	2 NS 2 A 1 MX	🔒 Secure
2026-10-02 07:33:18	1042ms	2 NS 2 A 1 MX	🔒 Secure
2026-10-01 07:29:54	1117ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-08 17:04:34	933ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-26 17:24:09	1221ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-26 22:09:48	1681ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-21 22:31:02	732ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-18 03:12:50	2279ms	2 NS 1 A 1 MX	🔒 Secure