bulduk.dk

📜 Historical scan 2026-06-16 17:44:14  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

bulduk.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 21 July 2004 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 94.231.103.122 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by mx.simply.com. 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#

3 records   64ms
NameserverIP addressesPTRASN / ISP
ns1.simply.com — — —
ns2.simply.com — — —
ns3.simply.com — — —

🌍 A Records#

1 records   43ms

📧 MX Records#

1 records   66ms
PriorityTTLMail ServerIP addressesPTRASN
10 — mx.simply.com 94.231.106.20 mx.simply.com AS48854 team.blue Denmark A/S

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records   140ms
TXT Record
google-site-verification=hX1MXp2qBeHMqbPoG9rquIJ7Rsejr2BJj4Xt5R7LMp8

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 DMARC#

PolicyRecord (_dmarc.bulduk.dk)
p=reject v=DMARC1; p=reject; rua=mailto:dmarc@robot.simply.com; ruf=mailto:dmarc@robot.simply.com;

📬 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 2026-10-12 09:58:52
www94.231.103.122 (AS48854) (address records, no CNAME)
www vs bare domainSame network
bulduk.dk: 94.231.103.122 (AS48854)
www.bulduk.dk: 94.231.103.122 (AS48854)
WildcardYes: any name under the zone resolves
Denial of existenceNSEC zone can be walked (all names enumerable)
CDS / CDNSKEYPublished: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔗 TLSA / DANE#

2 records   44ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx.simply.com DANE-EE · SPKI · SHA-256 97A3BA009F39C761BFFB6574340E8138…
SMTP _25._tcp.mx.simply.com DANE-EE · SPKI · SHA-256 A9D603AF4D7ED6B9246B4B68500CD6F2…

🔐 DNSSEC#

90ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✓ Found
Flagsunsigned answer

🏷️ SOA#

70ms
FieldValue
Serial2026020200
Primary NS (MNAME)ns1.simply.com
Responsible (RNAME)hostmaster@simply.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)3600s

📋 Registration#

WHOIS fetched 2026-10-03 20:46:15
FieldValue
RegistrarSimply.com A/S
Registered2004-07-21
Expires2028-08-15 (667d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
64ms
A
43ms
MX
66ms
AAAA
43ms
TXT
140ms
CAA
39ms
HTTPS
44ms
TLSA
44ms
SOA
70ms
MTA-STS
55ms
DNSSEC
90ms
SRV
0ms
Total
433ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-03 20:38:37 476ms 3 NS 1 A 1 MX 🔓 Insecure
2026-09-24 19:10:10 9451ms 3 NS 1 A 1 MX 🔓 Insecure
2026-06-24 23:07:40 606ms 3 NS 1 A 1 MX 🔓 Insecure
2026-06-16 17:44:14 shown 433ms 3 NS 1 A 1 MX 🔓 Insecure
2026-06-16 17:40:54 619ms 3 NS 1 A 1 MX 🔓 Insecure
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