cronholt.dk

📜 Historical scan 2026-08-20 10:27:53 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

cronholt.dk is a .dk domain served by 2 nameservers (christian.ns.cloudflare.com, ximena.ns.cloudflare.com). It was registered on 12 August 2015 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by cronholt-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 54ms

Nameserver	IP addresses	PTR	ASN / ISP
christian.ns.cloudflare.com	108.162.195.247 162.159.44.247 172.64.35.247 2606:4700:58::a29f:2cf7 2803:f800:50::6ca2:c3f7 2a06:98c1:50::ac40:23f7	christian.ns.cloudflare.com christian.ns.cloudflare.com christian.ns.cloudflare.com christian.ns.cloudflare.com christian.ns.cloudflare.com christian.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
ximena.ns.cloudflare.com	108.162.194.10 162.159.38.10 172.64.34.10 2606:4700:50::a29f:260a 2803:f800:50::6ca2:c20a 2a06:98c1:50::ac40:220a	ximena.ns.cloudflare.com ximena.ns.cloudflare.com ximena.ns.cloudflare.com ximena.ns.cloudflare.com ximena.ns.cloudflare.com ximena.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

🌍

No A records found

📧 MX Records#

1 records 73ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	cronholt-dk.mail.protection.outlook.com	2a01:111:f403:ca04::2 2a01:111:f403:ca04::4 2a01:111:f403:ca09::5 2a01:111:f403:ca09::b 52.101.68.12 52.101.68.18 52.101.68.21 52.101.68.29	mail-du2pr03cu00102.inbound.protection.outlook.com mail-db4pr02cu00204.inbound.protection.outlook.com mail-am1pr04cu00105.inbound.protection.outlook.com mail-am7pr05cu00103.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-dbapr03cu00105.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

📝 TXT Records#

1 records 253ms

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

✉️ SPF#

Policy	Record (cronholt.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 2026-10-07 18:22:37

www	NXDOMAIN
www vs bare domain	Neither resolves cronholt.dk: no address www.cronholt.dk: no address
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.cronholt.dk	jgy4KaSAPwI8Ab4fN1BlDrnRSAjOIzyS5cyOdwiU8hc
TXT	_acme-challenge.cronholt.dk	NVjQ5Of3Cpep6p1CcvcZ9BZi0U0ijDYGSFyHd33_oaY

🔗 TLSA / DANE#

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

🔐 DNSSEC#

186ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	resolution failed: ncache nxrrset

🏷️ SOA#

0ms

Field	Value
Serial	2412629267
Primary NS (MNAME)	christian.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-06 07:50:30

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2015-08-12
Expires	2027-08-31 (318d)

📋 WHOIS#

⏱️ Lookup Timing#

54ms

89ms

73ms

AAAA

68ms

TXT

253ms

CAA

66ms

HTTPS

51ms

TLSA

254ms

SOA

0ms

MTA-STS

85ms

DNSSEC

186ms

SRV

166ms

Total

2051ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-07 18:22:37	971ms	2 NS 0 A 1 MX	🔓 Insecure
2026-09-06 18:03:12	1943ms	2 NS 0 A 1 MX	🔓 Insecure
2026-08-28 07:21:52	748ms	2 NS 0 A 1 MX	🔓 Insecure
2026-08-26 08:36:32	1997ms	2 NS 0 A 1 MX	🔓 Insecure
2026-08-24 13:46:20	3525ms	2 NS 0 A 1 MX	🔓 Insecure
2026-08-23 12:37:57	4707ms	2 NS 0 A 1 MX	🔓 Insecure
2026-08-20 10:27:53 shown	2051ms	2 NS 0 A 1 MX	🔓 Insecure
2026-07-04 13:47:34	1499ms	2 NS 0 A 1 MX	🔓 Insecure
2026-06-27 09:26:39	1397ms	2 NS 0 A 1 MX	🔓 Insecure
2026-06-24 01:25:00	1552ms	2 NS 0 A 1 MX	🔓 Insecure
2026-06-20 15:39:22	2241ms	2 NS 0 A 1 MX	🔓 Insecure
2026-06-17 00:39:05	47344ms	2 NS 0 A 1 MX	🔓 Insecure
2026-06-16 23:12:36	1922ms	2 NS 0 A 1 MX	🔓 Insecure
2026-06-16 23:12:25	607ms	2 NS 0 A 1 MX	🔓 Insecure
2026-06-16 23:01:28	2501ms	2 NS 0 A 1 MX	🔓 Insecure