extrifit.dk

📜 Historical scan 2026-06-22 20:42:45 · ← 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 211ms

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 288ms

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 261ms

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 459ms

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 695ms

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 273ms

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

🔐 DNSSEC#

448ms

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

🏷️ SOA#

324ms

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#

211ms

288ms

261ms

AAAA

388ms

TXT

695ms

CAA

230ms

HTTPS

311ms

TLSA

273ms

SOA

324ms

MTA-STS

305ms

DNSSEC

448ms

SRV

459ms

Total

3758ms

🕐 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 shown	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