mandrup.dk DNS records

🖥️ Nameservers2 records 40ms

Nameserver	IP addresses	PTR	ASN / ISP
diana.ns.cloudflare.com	108.162.194.23 162.159.38.23 172.64.34.23 2606:4700:50::a29f:2617 2803:f800:50::6ca2:c217 2a06:98c1:50::ac40:2217	diana.ns.cloudflare.com diana.ns.cloudflare.com diana.ns.cloudflare.com diana.ns.cloudflare.com diana.ns.cloudflare.com diana.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
piers.ns.cloudflare.com	108.162.195.16 162.159.44.16 172.64.35.16 2606:4700:58::a29f:2c10 2803:f800:50::6ca2:c310 2a06:98c1:50::ac40:2310	piers.ns.cloudflare.com piers.ns.cloudflare.com piers.ns.cloudflare.com piers.ns.cloudflare.com piers.ns.cloudflare.com piers.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 Records2 records 32ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mx1.onlinemail.io	185.21.42.12	mx1.onlinemail.io	AS48854 team.blue Denmark A/S
20	3600s	mx2.onlinemail.io	46.36.208.16	mx2.onlinemail.io	AS48854 team.blue Denmark A/S

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	autodiscover-mf.onlinemail.io → 185.21.40.62
🔶 Autoconfig	autoconfig-mf.onlinemail.io → 185.21.40.62

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 144ms

TXT Record
v=spf1 include:spf.onlinemail.io -all\013\010

✉️ SPF

Policy	Record (mandrup.dk)
no all — incomplete SPF	v=spf1 include:spf.onlinemail.io -all\013\010

📨 DMARC

Policy	Record (_dmarc.mandrup.dk)
p=quarantine	v=DMARC1; p=quarantine;

📬 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)

🔐 DNSSEC115ms

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	2413202362
Primary NS (MNAME)	diana.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

40ms

A

46ms

MX

32ms

AAAA

32ms

TXT

144ms

CAA

31ms

HTTPS

33ms

TLSA

34ms

SOA

0ms

MTA-STS

48ms

DNSSEC

115ms

SRV

74ms

Total

560ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 18:32:55	560ms	2 NS 0 A 2 MX	🔓 Insecure	View
2026-08-24 19:50:48	753ms	2 NS 0 A 2 MX	🔓 Insecure	View
2026-08-17 04:23:55	10549ms	2 NS 0 A 2 MX	🔓 Insecure	View
2026-07-02 22:34:33	819ms	2 NS 0 A 2 MX	🔓 Insecure	View
2026-06-22 00:22:43	2608ms	2 NS 0 A 2 MX	🔓 Insecure	View
2026-06-17 12:15:03	1221ms	2 NS 0 A 2 MX	🔓 Insecure	View