postboks24.dk DNS records

🖥️ Nameservers2 records 35ms

Nameserver	IP addresses	PTR	ASN / ISP
arnold.ns.cloudflare.com	108.162.193.69 172.64.33.69 173.245.59.69 2606:4700:58::adf5:3b45 2803:f800:50::6ca2:c145 2a06:98c1:50::ac40:2145	arnold.ns.cloudflare.com arnold.ns.cloudflare.com arnold.ns.cloudflare.com arnold.ns.cloudflare.com arnold.ns.cloudflare.com arnold.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
becky.ns.cloudflare.com	108.162.192.73 172.64.32.73 173.245.58.73 2606:4700:50::adf5:3a49 2803:f800:50::6ca2:c049 2a06:98c1:50::ac40:2049	becky.ns.cloudflare.com becky.ns.cloudflare.com becky.ns.cloudflare.com becky.ns.cloudflare.com becky.ns.cloudflare.com becky.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 Records3 records 44ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	mail.jobcatcher.dk	51.210.190.35	mail.jobcatcher.dk	AS16276 OVH SAS
5	3600s	alt1.mymailcheap.com	51.83.107.245	alt1.mymailcheap.com	AS16276 OVH SAS
10	3600s	alt2.mymailcheap.com	158.69.83.225	alt2.mymailcheap.com	AS16276 OVH SAS

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records3 records 193ms

TXT Record
mandrill_verify.dDcn0YbupNx7zdUDTTQE3Q
nms-domain-verification=579096014582
v=spf1 mx include:_spf.mymailcheap.com -all

✉️ SPF

Policy	Record (postboks24.dk)
-all (hard fail)	v=spf1 mx include:_spf.mymailcheap.com -all

📨 DMARC

Policy	Record (_dmarc.postboks24.dk)
p=reject	v=DMARC1; p=reject; adkim=s; aspf=s; rua=mailto:info@postboks24.dk

📬 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)

🔐 DNSSEC98ms

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	2412467575
Primary NS (MNAME)	arnold.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

35ms

A

37ms

MX

44ms

AAAA

48ms

TXT

193ms

CAA

52ms

HTTPS

38ms

TLSA

118ms

SOA

0ms

MTA-STS

59ms

DNSSEC

98ms

SRV

61ms

Total

1862ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-18 06:38:48	1862ms	2 NS 0 A 3 MX	🔓 Insecure	View
2026-07-24 13:52:19	3596ms	2 NS 0 A 3 MX	🔓 Insecure	View
2026-07-03 14:05:14	860ms	2 NS 0 A 3 MX	🔓 Insecure	View
2026-06-24 17:39:08	3305ms	2 NS 0 A 3 MX	🔓 Insecure	View
2026-06-20 21:39:29	1492ms	2 NS 0 A 3 MX	🔓 Insecure	View
2026-06-18 02:22:07	792ms	2 NS 0 A 3 MX	🔓 Insecure	View