cmarkussen.dk DNS records

🖥️ Nameservers2 records 21ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.curanet.dk	185.25.141.12 2a02:2339:4006:108::123	ns1.curanet.dk ns1.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.curanet.dk	2a02:2339:1:10f::123:123 91.197.248.75	ns2.curanet.dk ns2.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records1 records 2ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
93.191.155.37	3600s	splash.zitcom.dk	AS48854	team.blue Denmark A/S	93.191.152.0/21	🇩🇰 Denmark	—

📧 MX Records2 records 2ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	d339265.a.ess.de.barracudanetworks.com	18.185.115.250 18.185.115.251 18.185.115.252	mail.ess.de.barracuda.com mail.ess.de.barracuda.com mail.ess.de.barracuda.com	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
80	3600s	d339265.b.ess.de.barracudanetworks.com	18.185.115.250 18.185.115.251 18.185.115.252	mail.ess.de.barracuda.com mail.ess.de.barracuda.com mail.ess.de.barracuda.com	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 50ms

TXT Record
MS=ms54463529
v=spf1 include:spf.protection.outlook.com include:spf.ess.de.barracudanetworks.com include:_spf.mailsecuritygateway.com -all

✉️ SPF

Policy	Record (cmarkussen.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:spf.ess.de.barracudanetworks.com include:_spf.mailsecuritygateway.com -all

📨 DMARC

Policy	Record (_dmarc.cmarkussen.dk)
p=quarantine	v=DMARC1; p=quarantine; pct=25; fo=1; rua=mailto:rua+cmarkussen.dk@dmarc.barracudanetworks.com; ruf=mailto:ruf+cmarkussen.dk@dmarc.barracudanetworks.com

📬 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)

🔐 DNSSEC124ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

Key type	Algorithm	Public key
KSK	ECDSA P-256/SHA-256	p0hrjVVEdgauJdUJyd2Tfkr2hZn81Rer0zaKv5OY…

🏷️ SOA27ms

Field	Value
Serial	2025111003
Primary NS (MNAME)	ns1.curanet.dk
Responsible (RNAME)	hostmaster@curanet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

21ms

A

2ms

MX

2ms

AAAA

7ms

TXT

50ms

CAA

3ms

HTTPS

37ms

TLSA

141ms

SOA

27ms

MTA-STS

4ms

DNSSEC

124ms

SRV

0ms

Total

1508ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-23 11:50:43	1508ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-06-25 16:37:59	710ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-06-24 11:08:46	911ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-24 04:43:45	1606ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-06-23 03:53:45	1112ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-20 21:18:01	661ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-06-16 21:26:23	852ms	2 NS 1 A 2 MX	🔒 Secure	View