f-i.dk

📜 Historical scan 2026-06-17 09:09:55 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

f-i.dk is a .dk domain served by 3 nameservers (ns1.e-studio.dk, ns2.e-studio.dk, ns3.e-studio.dk). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 193.200.90.178 is hosted by Christian Ebsen ApS (AS62121) in Denmark. Mail is handled by f-i.dk. The zone is DNSSEC-signed and validates, 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#

3 records 47ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.e-studio.dk	—	—	—
ns2.e-studio.dk	—	—	—
ns3.e-studio.dk	—	—	—

🌍 A Records#

1 records 29ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
193.200.90.178	—	web6.e-studio.dk	AS62121	Christian Ebsen ApS	193.200.90.0/23	🇩🇰 Denmark	—

📧 MX Records#

1 records 29ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	—	f-i.dk	193.200.90.178	web6.e-studio.dk	AS62121 Christian Ebsen ApS

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 213ms

TXT Record
v=spf1 +a +mx +ip4:193.200.90.178 include:_spf.e-studio.dk ~all

✉️ SPF#

Policy	Record (f-i.dk)
~all (soft fail)	v=spf1 +a +mx +ip4:193.200.90.178 include:_spf.e-studio.dk ~all

📨 DMARC#

Policy	Record (_dmarc.f-i.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 2026-10-08 05:03:25

www CNAME	f-i.dk (all on f-i.dk) → 193.200.90.178 (AS62121)
www vs bare domain	Same network f-i.dk: 193.200.90.178 (AS62121) www.f-i.dk: 193.200.90.178 (AS62121)
Wildcard	No
Denial of existence	NSEC3 · 7 iterations · 8-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
default	—	RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 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#

142ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

39ms

Field	Value
Serial	2026060801
Primary NS (MNAME)	ns1.e-studio.dk
Responsible (RNAME)	hostmaster@mailrelay.e-studio.dk
Refresh	3600s
Retry	1800s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

47ms

29ms

AAAA

34ms

TXT

213ms

CAA

30ms

HTTPS

21ms

TLSA

114ms

SOA

39ms

MTA-STS

54ms

DNSSEC

142ms

SRV

0ms

Total

1161ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-28 22:28:06	627ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-27 21:20:30	465ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-06 10:52:13	916ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-27 15:56:45	1712ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-26 19:36:11	2952ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-24 07:09:30	1163ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-17 09:09:55 shown	1161ms	3 NS 1 A 1 MX	🔒 Secure