extrifit.dk

📜 Historical scan 2026-06-24 17:55:22 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

extrifit.dk is a .dk domain served by 2 nameservers (ns0.feldhost.cz, ns1.feldhost.cz). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.174.168.20 is hosted by FELDSAM s.r.o. (AS206712) in Czechia. Mail is handled by mail.feldhost.cz. 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 97ms

Nameserver	IP addresses	PTR	ASN / ISP
ns0.feldhost.cz	185.174.168.3 2a0b:a900::b9ff:feae:a803	ns0.feldhost.cz ns0.feldhost.cz	AS206712 FELDSAM s.r.o. AS206712 FELDSAM s.r.o.
ns1.feldhost.cz	2a03:b780:1:4:216:3eff:fe00:a82 37.46.80.130	ns1.feldhost.cz ns1.feldhost.cz	AS29134 Webglobe, s.r.o. AS8648 dogado GmbH

🌍 A Records#

1 records 98ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.174.168.20	300s	web0.feldhost.cz	AS206712	FELDSAM s.r.o.	185.174.168.0/23	🇨🇿 Czechia	—

📧 MX Records#

1 records 97ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	7200s	mail.feldhost.cz	185.174.169.172 2a0b:a902::b9ff:feae:a9ac	mail.feldhost.cz mail.feldhost.cz	AS206712 FELDSAM s.r.o. AS206712 FELDSAM s.r.o.

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	mail.feldhost.cz → 185.174.169.172
🔶 Autoconfig	mail.feldhost.cz → 185.174.169.172

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

3 records 168ms

Service	Weight	Port	Target
_autodiscover._tcp	1	443	mail.feldhost.cz
_imap._tcp	1	143	mail.feldhost.cz
_imaps._tcp	1	993	mail.feldhost.cz

📝 TXT Records#

1 records 304ms

TXT Record
v=spf1 mx a include:_spf.feldhost.cz ~all

✉️ SPF#

Policy	Record (extrifit.dk)
~all (soft fail)	v=spf1 mx a include:_spf.feldhost.cz ~all

📨 DMARC#

Policy	Record (_dmarc.extrifit.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:dmarcreports@feldsam.cz

📬 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 2026-10-08 16:39:53

www CNAME	extrifit.dk (all on extrifit.dk) → 185.174.168.20 (AS206712)
www vs bare domain	Same network extrifit.dk: 185.174.168.20 (AS206712) www.extrifit.dk: 185.174.168.20 (AS206712)
Wildcard	Yes: any name under the zone resolves

🔎 SPF check#

zone-wide SPF report

DNS lookups: 3/10 · policy: ~all

No problems found

🔏 ACME Challenge#

Type	Name	Value
CNAME	_acme-challenge.extrifit.dk	extrifit.dk

🔗 TLSA / DANE#

1 records 100ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mail.feldhost.cz	DANE-EE · SPKI · SHA-256	45DE4B83D57BCECD25D21CE2A684D25F…

🔐 DNSSEC#

159ms

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

🏷️ SOA#

98ms

Field	Value
Serial	2021020901
Primary NS (MNAME)	ns0.feldhost.cz
Responsible (RNAME)	admin@feldhost.cz
Refresh	14400s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	3600s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

97ms

98ms

97ms

AAAA

98ms

TXT

304ms

CAA

95ms

HTTPS

96ms

TLSA

100ms

SOA

98ms

MTA-STS

130ms

DNSSEC

159ms

SRV

168ms

Total

1924ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-06-26 19:16:46	1055ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-24 17:55:22 shown	1924ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-23 03:03:35	941ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-22 20:42:45	3758ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-22 13:11:30	1172ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-17 09:09:46	1402ms	2 NS 1 A 1 MX	🔓 Insecure