b2t.dk

📜 Historical scan 2026-06-16 13:57:28  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

b2t.dk is a .dk domain served by 2 nameservers (ns1.yayhosting.dk, ns2.yayhosting.dk). It was registered on 12 October 2001 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 195.242.130.56 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 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   51ms
NameserverIP addressesPTRASN / ISP
ns1.yayhosting.dk — — —
ns2.yayhosting.dk — — —

🌍 A Records#

1 records   46ms

📧 MX Records#

3 records   50ms

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records   114ms
TXT Record
v=spf1 +include:_spf.yayhosting.dk -all

✉️ SPF#

PolicyRecord (b2t.dk)
-all (hard fail) v=spf1 +include:_spf.yayhosting.dk -all

📨 DMARC#

PolicyRecord (_dmarc.b2t.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 2026-10-09 06:47:58
www CNAMEb2t.dk (all on b2t.dk)
www vs bare domainSame network
WildcardNo

✍️ 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   63ms
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#

136ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

46ms
FieldValue
Serial2026061303
Primary NS (MNAME)ns1.yayhosting.dk
Responsible (RNAME)hostmaster@mailrelay.e-studio.dk
Refresh3600s
Retry1800s
Expire1209600s
Minimum (neg-cache TTL)86400s

📋 Registration#

WHOIS fetched 2026-10-09 08:07:20
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2001-10-12
Expires2026-12-31 (75d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
51ms
A
46ms
MX
50ms
AAAA
48ms
TXT
114ms
CAA
48ms
HTTPS
46ms
TLSA
63ms
SOA
46ms
MTA-STS
31ms
DNSSEC
136ms
SRV
0ms
Total
728ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-09-29 02:38:49 708ms 2 NS 1 A 3 MX 🔓 Insecure
2026-09-24 00:58:09 480ms 2 NS 1 A 3 MX 🔓 Insecure
2026-09-01 05:10:29 626ms 2 NS 1 A 3 MX 🔓 Insecure
2026-07-30 20:30:53 859ms 2 NS 1 A 3 MX 🔓 Insecure
2026-06-24 21:43:17 1424ms 2 NS 1 A 3 MX 🔓 Insecure
2026-06-23 15:08:30 1186ms 0 NS 0 A 0 MX ❓ Unknown
2026-06-16 13:57:28 shown 728ms 2 NS 1 A 3 MX 🔓 Insecure
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