fdf-tjb.dk

📜 Historical scan 2026-06-17 09:31:43  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

fdf-tjb.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 195.242.130.94 is hosted by Christian Ebsen ApS (AS62121) in Denmark. Mail is handled by mx1.spamfri.dk, mx2.spamfri.dk and 1 more. The zone is DNSSEC-signed and validates, publishes a DMARC policy and is reachable over IPv6. 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   41ms
NameserverIP addressesPTRASN / ISP
ns1.e-studio.dk — — —
ns2.e-studio.dk — — —
ns3.e-studio.dk — — —

🌍 A Records#

1 records   37ms
IPTTLPTRASNISP / OrgCIDRCountryCity
195.242.130.94 — web3.e-studio.dk AS62121 Christian Ebsen ApS 195.242.130.0/23 🇩🇰 Denmark —

📧 MX Records#

3 records   37ms
PriorityTTLMail ServerIP addressesPTRASN
10 — mx1.spamfri.dk 195.242.131.16 mx1.spamfri.dk AS62121 Christian Ebsen ApS
20 — mx2.spamfri.dk 193.200.91.109 mx2.spamfri.dk AS62121 Christian Ebsen ApS
30 — mx3.spamfri.dk 62.69.152.43
62.69.152.43		 43.34-46.152.69.62.in-addr.arpa
mx3.spamfri.dk		 AS47527 DLX A/S
AS47527 DLX A/S

🔷 AAAA Records (IPv6)#

1 records   37ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2001:67c:564:fffc::3001 — — AS62121 Christian Ebsen ApS 2001:67c:564:0:0:0:0:0/48 🇩🇰 Denmark —

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records   140ms
TXT Record
v=spf1 ip4:195.242.130.94 include:_spf.e-studio.dk -all

✉️ SPF#

PolicyRecord (fdf-tjb.dk)
-all (hard fail) v=spf1 ip4:195.242.130.94 include:_spf.e-studio.dk -all

📨 DMARC#

PolicyRecord (_dmarc.fdf-tjb.dk)
p=none (monitor only) v=DMARC1;p=none;sp=none;adkim=r;aspf=r;pct=100;fo=0;rf=afrf;ri=86400

📬 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 2026-10-14 00:56:54
www CNAMEfdf-tjb.dk (all on fdf-tjb.dk)
www vs bare domainSame network
WildcardNo
Denial of existenceNSEC3 · 7 iterations · 8-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEYNone 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found
SelectorCNAMEKey
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: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

3 records   55ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx1.spamfri.dk DANE-EE · SPKI · SHA-256 884451547A03D0AC2F628D943839BAA6…
SMTP _25._tcp.mx2.spamfri.dk DANE-EE · SPKI · SHA-256 6598C93F79B95376BB8099E9AC862167…
SMTP _25._tcp.mx3.spamfri.dk DANE-EE · SPKI · SHA-256 BBFB0694919290E5BC9D6E2C6F47D846…

🔐 DNSSEC#

125ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

36ms
FieldValue
Serial2026061201
Primary NS (MNAME)ns1.e-studio.dk
Responsible (RNAME)hostmaster@mailrelay.e-studio.dk
Refresh3600s
Retry1800s
Expire1209600s
Minimum (neg-cache TTL)86400s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup
📋 WHOIS#

⏱️ Lookup Timing#

NS
41ms
A
37ms
MX
37ms
AAAA
37ms
TXT
140ms
CAA
36ms
HTTPS
35ms
TLSA
55ms
SOA
36ms
MTA-STS
2059ms
DNSSEC
125ms
SRV
0ms
Total
2626ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-14 00:56:54 3324ms 3 NS 1 A 3 MX 🔒 Secure
2026-08-27 04:27:58 947ms 3 NS 1 A 3 MX 🔒 Secure
2026-08-15 00:18:24 1130ms 3 NS 1 A 3 MX 🔒 Secure
2026-06-20 07:13:02 2676ms 3 NS 1 A 3 MX 🔒 Secure
2026-06-17 09:31:43 shown 2626ms 3 NS 1 A 3 MX 🔒 Secure
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