chrestensen.dk

📜 Historical scan 2026-08-19 23:11:52 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

chrestensen.dk is a .dk domain served by 2 nameservers (hazel.ns.cloudflare.com, jobs.ns.cloudflare.com). It was registered on 26 February 2002 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mx1.mxfilter.net, mx2.mxfilter.net and 2 more. The zone is not DNSSEC-signed, publishes a 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
hazel.ns.cloudflare.com	108.162.194.157 162.159.38.157 172.64.34.157 2606:4700:50::a29f:269d 2803:f800:50::6ca2:c29d 2a06:98c1:50::ac40:229d	hazel.ns.cloudflare.com hazel.ns.cloudflare.com hazel.ns.cloudflare.com hazel.ns.cloudflare.com hazel.ns.cloudflare.com hazel.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
jobs.ns.cloudflare.com	108.162.193.183 172.64.33.183 173.245.59.183 2606:4700:58::adf5:3bb7 2803:f800:50::6ca2:c1b7 2a06:98c1:50::ac40:21b7	jobs.ns.cloudflare.com jobs.ns.cloudflare.com jobs.ns.cloudflare.com jobs.ns.cloudflare.com jobs.ns.cloudflare.com jobs.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#

4 records 47ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mx1.mxfilter.net	23.172.139.3 2602:faa9:e1:6e6f:7370:616d:0:2	mta01.mxfilter.net mta01.mxfilter.net	AS46824 NameCrane LLC AS46824 NameCrane LLC
10	300s	mx2.mxfilter.net	23.172.136.2 2602:faa9:e2:6e6f:7370:616d:0:2	mta02.mxfilter.net mta02.mxfilter.net	AS46824 NameCrane LLC AS46824 NameCrane LLC
20	300s	mx3.mxfilter.net	162.244.94.10 2602:faa9:e3:6e6f:7370:616d:0:2	mta03.mxfilter.net mta03.mxfilter.net	AS965 Webhosting Holdings LLC AS46824 NameCrane LLC
20	300s	mx4.mxfilter.net	160.30.208.10	mta04.mxfilter.net	AS965 Webhosting Holdings LLC

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	eu1.workspace.org → 193.108.130.81

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 192ms

TXT Record
v=spf1 include:_spf.workspace.org -all

✉️ SPF#

Policy	Record (chrestensen.dk)
-all (hard fail)	v=spf1 include:_spf.workspace.org -all

📨 DMARC#

Policy	Record (_dmarc.chrestensen.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:9d22d8c2c3f2433b96dbf90887bf9be3@dmarc-reports.cloudflare.net

📬 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 2026-10-13 20:57:34

www	NXDOMAIN
www vs bare domain	Neither resolves chrestensen.dk: no address www.chrestensen.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.chrestensen.dk	_s9wLm13l1-II5BQ32qKrfSQpCVmBiEw6KEvyECT0eE
TXT	_acme-challenge.chrestensen.dk	ot9csVXbccROUmLY7ewMIRb4nLKbkbr1mmfAxhd7QOM

🔗 TLSA / DANE#

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

🔐 DNSSEC#

89ms

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	2412590042
Primary NS (MNAME)	hazel.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-12 10:47:22

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2002-02-26
Expires	2027-03-31 (165d)

🔗 Same registrant#

1 domain

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
chre.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

54ms

65ms

47ms

AAAA

50ms

TXT

192ms

CAA

61ms

HTTPS

45ms

TLSA

1655ms

SOA

0ms

MTA-STS

67ms

DNSSEC

89ms

SRV

226ms

Total

4393ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-13 20:57:34	1489ms	2 NS 0 A 4 MX	🔓 Insecure
2026-10-01 04:10:39	1979ms	2 NS 0 A 4 MX	🔓 Insecure
2026-09-29 21:49:54	1365ms	2 NS 0 A 4 MX	🔓 Insecure
2026-09-12 04:36:53	1694ms	2 NS 0 A 4 MX	🔓 Insecure
2026-08-22 02:03:08	11619ms	2 NS 0 A 4 MX	🔓 Insecure
2026-08-19 23:11:52 shown	4393ms	2 NS 0 A 4 MX	🔓 Insecure
2026-08-16 15:56:06	13022ms	2 NS 0 A 4 MX	🔓 Insecure
2026-07-01 03:45:17	2021ms	2 NS 0 A 4 MX	🔓 Insecure
2026-06-19 23:14:27	1223ms	2 NS 0 A 4 MX	🔓 Insecure
2026-06-19 08:24:52	3856ms	2 NS 0 A 4 MX	🔓 Insecure
2026-06-18 17:25:52	1490ms	2 NS 0 A 4 MX	🔓 Insecure
2026-06-16 20:36:07	3393ms	2 NS 0 A 4 MX	🔓 Insecure