b15.dk

📜 Historical scan 2026-09-01 14:00:43  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

b15.dk is a .dk domain served by 2 nameservers (ns1.yayhosting.dk, ns2.yayhosting.dk). It was registered on 25 May 2022 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 195.242.130.60 is hosted by Christian Ebsen ApS (AS62121) in Denmark. Mail is handled by b15.dk. The zone is DNSSEC-signed and validates, has no 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   15ms

🌍 A Records#

1 records   173ms

📧 MX Records#

1 records   30ms
PriorityTTLMail ServerIP addressesPTRASN
0 14400s b15.dk 195.242.130.60 whm04.yayhosting.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   86ms
TXT Record
v=spf1 ip4:195.242.130.60 include:_spf.yayhosting.dk -all

✉️ SPF#

PolicyRecord (b15.dk)
-all (hard fail) v=spf1 ip4:195.242.130.60 include:_spf.yayhosting.dk -all

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 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 15:03:55
www CNAMEb15.dk (all on b15.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

🔏 ACME Challenge#

TypeNameValue
TXT _acme-challenge.b15.dk A91AxkcA5yolid2XYPMR7I-tWSOOoBVxgB6BfPYV_Ec

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

127ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
Key typeAlgorithmPublic key
KSK RSA/SHA-256 AwEAAcCLn97h/5Lr1EctX4ILe/DwbvMcWuvX6w/A…
KSK RSA/SHA-256 AwEAAbd+SmD8B84y5lSoU6bq+t9BhpsE9UDva9mE…
ZSK RSA/SHA-256 AwEAAeQ3rHus9bV22c8QOP+wPknX2eDF5Rvty7I4…
ZSK RSA/SHA-256 AwEAAccZeDWb/LRq01FEbLAk+LhDdleKg+Ri+0yS…

🏷️ SOA#

0ms
FieldValue
Serial2026083001
Primary NS (MNAME)ns1.yayhosting.dk
Responsible (RNAME)hostmaster@mailrelay.e-studio.dk
Refresh3600s
Retry1800s
Expire1209600s
Minimum (neg-cache TTL)86400s

📋 Registration#

WHOIS fetched 2026-10-15 16:06:12
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2022-05-25
Expires2027-05-24 (218d)

🔗 Same registrant#

0 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

No other domain with this registrant in our WHOIS data yet
📋 WHOIS#

⏱️ Lookup Timing#

NS
15ms
A
173ms
MX
30ms
AAAA
71ms
TXT
86ms
CAA
3ms
HTTPS
37ms
TLSA
179ms
SOA
0ms
MTA-STS
93ms
DNSSEC
127ms
SRV
0ms
Total
1599ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-14 15:03:54 1111ms 2 NS 1 A 1 MX 🔒 Secure
2026-09-24 01:16:45 457ms 2 NS 1 A 1 MX 🔒 Secure
2026-09-01 14:00:43 shown 1599ms 2 NS 1 A 1 MX 🔒 Secure
2026-08-31 23:25:31 506ms 2 NS 1 A 1 MX 🔒 Secure
2026-08-30 12:30:16 1454ms 2 NS 1 A 1 MX 🔒 Secure
2026-08-28 01:42:18 823ms 2 NS 1 A 1 MX 🔒 Secure
2026-08-26 23:23:59 601ms 2 NS 1 A 1 MX 🔒 Secure
2026-08-26 03:04:35 614ms 2 NS 1 A 1 MX 🔒 Secure
2026-08-14 10:11:49 8835ms 2 NS 1 A 1 MX 🔒 Secure
2026-07-03 12:18:26 601ms 2 NS 1 A 1 MX 🔒 Secure
2026-06-27 22:44:37 555ms 2 NS 1 A 1 MX 🔒 Secure
2026-06-27 09:24:21 1568ms 2 NS 1 A 1 MX 🔒 Secure
2026-06-21 10:34:36 862ms 2 NS 1 A 1 MX 🔒 Secure
2026-06-20 16:02:30 1047ms 0 NS 0 A 0 MX ❓ Unknown
2026-06-16 13:57:07 698ms 2 NS 1 A 1 MX 🔒 Secure
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