4syd.dk

📜 Historical scan 2026-07-01 03:55:15 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

4syd.dk is a .dk domain served by 2 nameservers (ns1.arrownet.dk, ns2.arrownet.dk). It was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mx.danskkabeltv.dk. 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 37ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.arrownet.dk	62.61.130.2	ns1.arrownet.dk	AS15516 DKTV A/S
ns2.arrownet.dk	62.61.131.2	ns2.arrownet.dk	AS15516 DKTV A/S

🌍 A Records#

🌍

No A records found

📧 MX Records#

1 records 34ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mx.danskkabeltv.dk	62.61.141.2 62.61.141.3 62.61.141.5 62.61.141.6 62.61.141.7 62.61.141.8	mx-01.dk-tv.net mx-02.dk-tv.net mx-04.dk-tv.net mx-05.dk-tv.net mx-06.dk-tv.net mx-07.dk-tv.net	AS15516 DKTV A/S AS15516 DKTV A/S AS15516 DKTV A/S AS15516 DKTV A/S AS15516 DKTV A/S AS15516 DKTV A/S

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 171ms

TXT Record
v=spf1 include:_spf-customer.dk-tv.net

✉️ SPF#

Policy	Record (4syd.dk)
no all — incomplete SPF	v=spf1 include:_spf-customer.dk-tv.net

📨 DMARC#

Policy	Record (_dmarc.4syd.dk)
p=reject	v=DMARC1;p=reject;sp=reject;fo=1;ri=3600;pct=100;rua=mailto:report@dmarc.dk-tv.net;ruf=mailto:failure@dmarc.dk-tv.net

📬 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 2026-10-07 23:01:15

www	NXDOMAIN
www vs bare domain	Neither resolves 4syd.dk: no address www.4syd.dk: no address
Wildcard	No

✍️ DKIM keys#

1 found

Selector	CNAME	Key
dkim	—	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: 3/10 · policy: none

warn No "all" and no redirect: mail from unlisted servers gets a neutral result

🔗 TLSA / DANE#

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

🔐 DNSSEC#

66ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	resolution failed: ncache nxrrset

🏷️ SOA#

33ms

Field	Value
Serial	2017042407
Primary NS (MNAME)	ns.arrownet.dk
Responsible (RNAME)	hostmaster@arrownet.dk
Refresh	600s
Retry	3600s
Expire	3600000s
Minimum (neg-cache TTL)	600s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

37ms

34ms

AAAA

34ms

TXT

171ms

CAA

32ms

HTTPS

31ms

TLSA

64ms

SOA

33ms

MTA-STS

44ms

DNSSEC

66ms

SRV

43ms

Total

588ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-07 23:01:15	613ms	2 NS 0 A 1 MX	🔓 Insecure
2026-09-30 07:54:09	1417ms	2 NS 0 A 1 MX	🔓 Insecure
2026-09-26 01:15:05	2393ms	2 NS 0 A 1 MX	🔓 Insecure
2026-09-06 11:52:36	525ms	2 NS 0 A 1 MX	🔓 Insecure
2026-08-31 23:16:54	1023ms	2 NS 0 A 1 MX	🔓 Insecure
2026-07-01 03:55:15 shown	588ms	2 NS 0 A 1 MX	🔓 Insecure
2026-06-23 22:22:01	605ms	2 NS 0 A 1 MX	🔓 Insecure
2026-06-16 13:14:26	636ms	2 NS 0 A 1 MX	🔓 Insecure