extrifit.dk

📜 Historical scan 2026-06-17 09:09:46 · ← 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 147ms

Nameserver	IP addresses	PTR	ASN / ISP
ns0.feldhost.cz	—	—	—
ns1.feldhost.cz	—	—	—

🌍 A Records#

1 records 157ms

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

📧 MX Records#

1 records 210ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	mail.feldhost.cz	185.174.169.172	mail.feldhost.cz	AS206712 FELDSAM s.r.o.

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 474ms

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

🔗 TLSA / DANE#

1 records 166ms

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

🔐 DNSSEC#

265ms

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

🏷️ SOA#

153ms

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#

147ms

157ms

210ms

AAAA

177ms

TXT

474ms

CAA

146ms

HTTPS

144ms

TLSA

166ms

SOA

153ms

MTA-STS

89ms

DNSSEC

265ms

SRV

0ms

Total

1402ms

🕐 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	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 shown	1402ms	2 NS 1 A 1 MX	🔓 Insecure