server4u.dk

📜 Historical scan 2026-06-17 23:29:29 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

server4u.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mx1.mmcc.dk, mx2.mmcc.dk. The zone is DNSSEC-signed and validates, has no 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 30ms

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 Records#

🌍

No A records found

📧 MX Records#

2 records 41ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	mx1.mmcc.dk	130.185.129.200	mail.mmcc.dk	AS31027 GlobalConnect A/S
20	—	mx2.mmcc.dk	130.185.129.200	mail.mmcc.dk	AS31027 GlobalConnect 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 111ms

TXT Record
v=spf1 mx a:mx1.mmcc.dk a:mx2.mmcc.dk -all

✉️ SPF#

Policy	Record (server4u.dk)
-all (hard fail)	v=spf1 mx a:mx1.mmcc.dk a:mx2.mmcc.dk -all

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 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 18:19:34

www CNAME	www.mmcc.dk (all on mmcc.dk) → 185.58.213.125 (AS201595)
www vs bare domain	Only www resolves server4u.dk: no address www.server4u.dk: 185.58.213.125 (AS201595) (all like this)
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

🔎 SPF check#

zone-wide SPF report

DNS lookups: 3/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

122ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	resolution failed: ncache nxrrset

🏷️ SOA#

38ms

Field	Value
Serial	2021111701
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 yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

30ms

181ms

41ms

AAAA

31ms

TXT

111ms

CAA

29ms

HTTPS

32ms

TLSA

63ms

SOA

38ms

MTA-STS

43ms

DNSSEC

122ms

SRV

84ms

Total

555ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-03 15:46:41	372ms	2 NS 0 A 2 MX	🔒 Secure
2026-09-30 10:38:43	430ms	2 NS 0 A 2 MX	🔒 Secure
2026-06-27 06:16:48	1587ms	2 NS 0 A 2 MX	🔒 Secure
2026-06-25 04:45:06	662ms	2 NS 0 A 2 MX	🔒 Secure
2026-06-17 23:29:29 shown	555ms	2 NS 0 A 2 MX	🔒 Secure