postklar.dk DNS records

🖥️ Nameservers2 records 70ms

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 80ms

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 323ms

TXT Record
mandrill_verify.Fdeap9ialCNIJx8iZcSKmA
nms-domain-verification=511968589357
v=spf1 mx include:_spf.mymailcheap.com -all

✉️ SPF

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

📨 DMARC

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

🔐 DNSSEC213ms

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	2412693840
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

70ms

A

72ms

MX

80ms

AAAA

70ms

TXT

323ms

CAA

94ms

HTTPS

99ms

TLSA

275ms

SOA

0ms

MTA-STS

85ms

DNSSEC

213ms

SRV

892ms

Total

2434ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-20 10:59:17	2434ms	2 NS 0 A 3 MX	🔓 Insecure	View
2026-08-18 08:34:27	4237ms	2 NS 0 A 3 MX	🔓 Insecure	View
2026-08-17 01:48:42	8864ms	2 NS 0 A 3 MX	❓ Unknown	View
2026-08-14 10:37:01	1774ms	2 NS 0 A 3 MX	🔓 Insecure	View
2026-07-03 15:37:27	1171ms	2 NS 0 A 3 MX	🔓 Insecure	View
2026-06-27 14:17:57	827ms	2 NS 0 A 3 MX	🔓 Insecure	View
2026-06-23 10:07:58	1153ms	2 NS 0 A 3 MX	🔓 Insecure	View
2026-06-21 02:41:15	3173ms	2 NS 0 A 3 MX	🔓 Insecure	View
2026-06-18 03:54:43	2822ms	2 NS 0 A 3 MX	🔓 Insecure	View