fluch.dk

📜 Historical scan 2026-06-20 20:09:26 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

fluch.dk is a .dk domain served by 2 nameservers (ns1.world4you.at, ns2.world4you.at). It was registered on 28 January 2022 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 81.19.159.38 is hosted by IONOS SE (AS8560) in Austria. Mail is handled by mail.fluch.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 86ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.world4you.at	185.132.32.253 2607:f1c0:fe:53:185:132:32:253	ns1.world4you.at ns1.world4you.at	AS15418 Fasthosts Internet Limited AS15418 Fasthosts Internet Limited
ns2.world4you.at	2001:8d8:fe:53:217:160:82:253 217.160.82.253	ns2.world4you.at ns2.world4you.at	AS8560 IONOS SE AS8560 IONOS SE

🌍 A Records#

1 records 75ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
81.19.159.38	3600s	www38sni.world4you.com	AS8560	IONOS SE	81.19.144.0/20	🇦🇹 Austria	—

📧 MX Records#

1 records 100ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mail.fluch.dk	81.19.149.38	mail17.world4you.com	AS8560 IONOS SE

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 431ms

TXT Record
v=spf1 mx include:spf.w4ymail.at -all

✉️ SPF#

Policy	Record (fluch.dk)
-all (hard fail)	v=spf1 mx include:spf.w4ymail.at -all

📨 DMARC#

Policy	Record (_dmarc.fluch.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 2026-10-10 21:08:52

www	81.19.159.38 (AS8560) (address records, no CNAME)
www vs bare domain	Same network fluch.dk: 81.19.159.38 (AS8560) www.fluch.dk: 81.19.159.38 (AS8560)
Wildcard	No
Denial of existence	NSEC3 · 21 iterations · 24-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: 2/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

262ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2025022432
Primary NS (MNAME)	ns1.world4you.at
Responsible (RNAME)	hostmaster@world4you.com
Refresh	10800s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-15 11:02:09

Field	Value
Registrar	InterNetX GmbH
Registered	2022-01-28
Expires	2027-01-27 (102d)

🔗 Same registrant#

0 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

No other domain with this registrant in our WHOIS data yet

📋 WHOIS#

⏱️ Lookup Timing#

86ms

75ms

100ms

AAAA

82ms

TXT

431ms

CAA

117ms

HTTPS

117ms

TLSA

158ms

SOA

0ms

MTA-STS

110ms

DNSSEC

262ms

SRV

284ms

Total

1171ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 17:00:21	740ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-09 00:34:49	1606ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-31 19:40:35	2746ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-30 02:52:43	849ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-20 20:09:26 shown	1171ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-17 09:49:55	672ms	2 NS 1 A 1 MX	🔓 Insecure