bluf.dk

📜 Historical scan 2026-06-16 15:11:38 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

bluf.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 22 December 2006 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mail.bluf.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 351ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	—	—	—
ns02.one.com	—	—	—

🌍 A Records#

1 records 364ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
80.209.66.2	—	80.209.66.2.static.fibianet.dk	AS44869	—	—	—	Haslev

📧 MX Records#

1 records 364ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	mail.bluf.dk	80.209.66.2	80.209.66.2.static.fibianet.dk	AS44869 FIBIA P/S

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 2564ms

TXT Record
v=spf1 mx a ptr ip4:5.103.129.170 a:mail.sitekey.dk a:smtp.sitekey.dk include:sitekey.dk ?all

✉️ SPF#

Policy	Record (bluf.dk)
?all (neutral)	v=spf1 mx a ptr ip4:5.103.129.170 a:mail.sitekey.dk a:smtp.sitekey.dk include:sitekey.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 2026-10-12 14:07:29

www CNAME	bluf.dk (all on bluf.dk) → 80.209.66.2 (AS44869)
www vs bare domain	Same network bluf.dk: 80.209.66.2 (AS44869) www.bluf.dk: 80.209.66.2 (AS44869)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 9/10 · policy: ?all

warn "ptr" is slow, unreliable and discouraged (RFC 7208 §5.5)
warn "?all" is neutral: it gives receivers no guidance, much like having no SPF
warn 9 of the 10 allowed DNS lookups used: one more include can break SPF

🔗 TLSA / DANE#

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

🔐 DNSSEC#

581ms

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

🏷️ SOA#

341ms

Field	Value
Serial	2026032401
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-12 23:31:35

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2006-12-22
Expires	2026-12-31 (74d)

🔗 Same registrant#

42 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).

Domain	Registrar
1golf.dk	Punktum dk A/S (direct)
afgivstemme.dk	Punktum dk A/S (direct)
boards.dk	Punktum dk A/S (direct)
bootoo.dk	Punktum dk A/S (direct)
brev-boks.dk	Punktum dk A/S (direct)
brev-box.dk	Punktum dk A/S (direct)
brevboks.dk	Punktum dk A/S (direct)
brevbox.dk	Punktum dk A/S (direct)
cafe-kaos.dk	Punktum dk A/S (direct)
cafekaos.dk	Punktum dk A/S (direct)
cleversales.dk	Punktum dk A/S (direct)
denhemmeligekok.dk	Punktum dk A/S (direct)
denrundegolfer.dk	Punktum dk A/S (direct)
drager.dk	Punktum dk A/S (direct)
fotobureau.dk	Punktum dk A/S (direct)
frontcover.dk	Punktum dk A/S (direct)
frontrunnerforlife.dk	Punktum dk A/S (direct)
golf-regler.dk	Punktum dk A/S (direct)
golf360.dk	Punktum dk A/S (direct)
golfbricks.dk	Punktum dk A/S (direct)
golfbrix.dk	Punktum dk A/S (direct)
golfcard.dk	Punktum dk A/S (direct)
golfperformancestudio.dk	Punktum dk A/S (direct)
golfregler.dk	Punktum dk A/S (direct)
herreklubben-midtgolf.dk	Punktum dk A/S (direct)
krydderiget.dk	Punktum dk A/S (direct)
midtgolfdrengene.dk	Punktum dk A/S (direct)
nbkloakoganlaeg.dk	Punktum dk A/S (direct)
ontarget.dk	Punktum dk A/S (direct)
putter.dk	Punktum dk A/S (direct)
qtrack.dk	Punktum dk A/S (direct)
rudolpho-photo.dk	Punktum dk A/S (direct)
rudolpho.dk	Punktum dk A/S (direct)
scdata.dk	Punktum dk A/S (direct)
sitekey.dk	Punktum dk A/S (direct)
sjochouse.dk	Punktum dk A/S (direct)
sjocled.dk	Punktum dk A/S (direct)
sjocretail.dk	Punktum dk A/S (direct)
stensejr.dk	Punktum dk A/S (direct)
z-zhop.dk	Punktum dk A/S (direct)
zitebuilder.dk	Punktum dk A/S (direct)
zzhop.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

351ms

364ms

AAAA

367ms

TXT

2564ms

CAA

2392ms

HTTPS

2351ms

TLSA

245ms

SOA

341ms

MTA-STS

373ms

DNSSEC

581ms

SRV

0ms

Total

4638ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-21 00:38:07	1126ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-20 22:36:55	920ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-20 21:29:41	1032ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-20 12:55:24	504ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 15:11:38 shown	4638ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 15:10:29	308ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 15:05:25	1618ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 15:00:56	589ms	2 NS 1 A 1 MX	🔒 Secure