chrestensen.dk DNS records

🖥️ Nameservers2 records 63ms

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 Records4 records 80ms

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	mta03.mxfilter.net	AS965 Webhosting Holdings 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 Records1 records 246ms

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

🔗 TLSA / DANE

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

🔐 DNSSEC183ms

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

🏷️ SOA0ms

Field	Value
Serial	2412766547
Primary NS (MNAME)	hazel.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

63ms

A

70ms

MX

80ms

AAAA

63ms

TXT

246ms

CAA

64ms

HTTPS

71ms

TLSA

468ms

SOA

0ms

MTA-STS

102ms

DNSSEC

183ms

SRV

97ms

Total

11619ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-22 02:03:08	11619ms	2 NS 0 A 4 MX	🔓 Insecure	View
2026-08-19 23:11:52	4393ms	2 NS 0 A 4 MX	🔓 Insecure	View
2026-08-16 15:56:06	13022ms	2 NS 0 A 4 MX	🔓 Insecure	View
2026-07-01 03:45:17	2021ms	2 NS 0 A 4 MX	🔓 Insecure	View
2026-06-19 23:14:27	1223ms	2 NS 0 A 4 MX	🔓 Insecure	View
2026-06-19 08:24:52	3856ms	2 NS 0 A 4 MX	🔓 Insecure	View
2026-06-18 17:25:52	1490ms	2 NS 0 A 4 MX	🔓 Insecure	View
2026-06-16 20:36:07	3393ms	2 NS 0 A 4 MX	🔓 Insecure	View