csr.dk

📜 Historical scan 2026-08-26 23:01:24 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

csr.dk is a .dk domain served by 2 nameservers (ns.dandomain.dk, ns2.dandomain.dk). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 139.144.158.248 is hosted by Akamai Connected Cloud (AS63949) in United Kingdom. Mail is handled by mfwd.ebrandservices.com. The zone is not DNSSEC-signed, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 19ms

Nameserver	IP addresses	PTR	ASN / ISP
ns.dandomain.dk	185.25.141.3 2a02:2339:4006:109::dd	ns.dandomain.dk ns.dandomain.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.dandomain.dk	2a02:2339:1:108::dd:dd 91.197.248.66	ns2.dandomain.dk ns2.dandomain.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 26ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
139.144.158.248	3600s	139-144-158-248.ip.linodeusercontent.com	AS63949	Akamai Connected Cloud	139.144.144.0/20	🇬🇧 United Kingdom	London

📧 MX Records#

1 records 28ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mfwd.ebrandservices.com	80.92.65.53	mfwd.ebrandservices.com	AS24611 Datacenter Luxembourg S.A.

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 87ms

TXT Record
v=spf1 include:servers.mcsv.net ?all
v=spf1 include:spf.mandrillapp.com ?all

✉️ SPF#

⚠ Multiple SPF records — RFC 7208 §4.5 violation (receivers must treat this as permerror)

Policy	Record (csr.dk)
?all (neutral)	v=spf1 include:servers.mcsv.net ?all
?all (neutral)	v=spf1 include:spf.mandrillapp.com ?all

📨 DMARC#

Policy	Record (_dmarc.csr.dk)
p=none (monitor only)	v=DMARC1; p=none;

📬 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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-15 20:04:02

www	139.144.158.248 (AS63949) (address records, no CNAME)
www vs bare domain	Same network csr.dk: 139.144.158.248 (AS63949) www.csr.dk: 139.144.158.248 (AS63949)
Wildcard	No
Denial of existence	NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
k1	dkim.mcsv.net	RSA · ~1024 bit below 2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: ?all

error 2 SPF records: receivers must treat that as a permanent error (RFC 7208 §4.5)
warn "?all" is neutral: it gives receivers no guidance, much like having no SPF

🔗 TLSA / DANE#

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

🔐 DNSSEC#

94ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

0ms

Field	Value
Serial	2026082604
Primary NS (MNAME)	ns.dandomain.dk
Responsible (RNAME)	hostmaster@dandomain.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

19ms

26ms

28ms

AAAA

23ms

TXT

87ms

CAA

21ms

HTTPS

24ms

TLSA

78ms

SOA

0ms

MTA-STS

36ms

DNSSEC

94ms

SRV

27ms

Total

445ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-11 06:23:56	622ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-26 23:01:24 shown	445ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-23 18:01:36	1021ms	4 NS 1 A 1 MX	🔓 Insecure
2026-06-22 13:35:09	897ms	4 NS 1 A 1 MX	🔓 Insecure
2026-06-16 23:06:12	2664ms	4 NS 1 A 1 MX	🔓 Insecure