klausbuus.dk

📜 Historical scan 2026-06-18 04:50:21  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

klausbuus.dk is a .dk domain served by 2 nameservers (ns.scannet2.dk, ns2.scannet2.dk). It was registered on 22 August 2016 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by klausbuus-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, 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   122ms
NameserverIP addressesPTRASN / ISP
ns.scannet2.dk 185.25.141.9
2a02:2339:4006:10d::4171:4171		 ns1.scannet.dk
ns1.scannet.dk		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
ns2.scannet2.dk 2a02:2339:1:112:0:5:1:b11
91.197.248.72		 ns2.scannet.dk
ns2.scannet.dk		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S

🌍 A Records#

1 records   144ms
IPTTLPTRASNISP / OrgCIDRCountryCity
77.221.253.122 — — AS42876 — — — —

📧 MX Records#

1 records   152ms
PriorityTTLMail ServerIP addressesPTRASN
0 — klausbuus-dk.mail.protection.outlook.com 2a01:111:f403:ca04::8
2a01:111:f403:ca04::c
2a01:111:f403:ca09::1
2a01:111:f403:ca09::d
52.101.68.32
52.101.68.8
52.101.73.153
52.101.73.26		 mail-db5pr02cu00100.inbound.protection.outlook.com
mail-db9pr02cu00204.inbound.protection.outlook.com
mail-as9pr07cu00301.inbound.protection.outlook.com
mail-as9pr05cu01305.inbound.protection.outlook.com
mail-db3pr0202cu00200.inbound.protection.outlook.com
mail-du0pr03cu00100.inbound.protection.outlook.com
mail-as8pr05cu00401.inbound.protection.outlook.com
mail-as9pr05cu01302.inbound.protection.outlook.com		 AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscoverautodiscover.outlook.com → 40.99.149.216

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records   250ms
TXT Record
MS=ms53596309
v=spf1 ip4:185.66.186.0/27 include:spf.protection.outlook.com include:spf.mandrillapp.com include:mailgun.org include:web.shared.mysmtp.com -all

✉️ SPF#

PolicyRecord (klausbuus.dk)
-all (hard fail) v=spf1 ip4:185.66.186.0/27 include:spf.protection.outlook.com include:spf.mandrillapp.com include:mailgun.org include:web.shared.mysmtp.com -all

📨 DMARC#

PolicyRecord (_dmarc.klausbuus.dk)
p=quarantine v=DMARC1; p=quarantine; adkim=r; aspf=r; pct=100

📬 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 2026-10-07 22:51:23
www77.221.253.122 (AS42876) (address records, no CNAME)
www vs bare domainSame network
klausbuus.dk: 77.221.253.122 (AS42876)
www.klausbuus.dk: 77.221.253.122 (AS42876)
WildcardNo
Denial of existenceNSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEYNone 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found
SelectorCNAMEKey
s1 — RSA · ~1024 bit below 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: 11/10 · policy: -all

  • error 11 DNS lookups: the limit is 10, so a receiver whose evaluation gets past the 10th returns permerror (SPF fails)

🔗 TLSA / DANE#

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

🔐 DNSSEC#

197ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

122ms
FieldValue
Serial2023112003
Primary NS (MNAME)ns.scannet2.dk
Responsible (RNAME)hostmaster@scannet.dk
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)300s

📋 Registration#

WHOIS fetched 2026-10-13 00:02:24
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2016-08-22
Expires2027-08-31 (315d)

🔗 Same registrant#

13 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).

DomainRegistrar
aars-vand.dkPunktum dk A/S (direct)
carpassions.dkPunktum dk A/S (direct)
egmontopen.dkPunktum dk A/S (direct)
elmerhoej.dkPunktum dk A/S (direct)
farsøfysioterapi.dkPunktum dk A/S (direct)
fysiodanmark-aars.dkPunktum dk A/S (direct)
fysiodanmarkaars.dkPunktum dk A/S (direct)
henriettesoevind.dkCURANET A/S
lilleskovsgaard.dkPunktum dk A/S (direct)
limfjordens-malerservice.dkPunktum dk A/S (direct)
medie-grafik.dkPunktum dk A/S (direct)
mediegrafiksys.dkPunktum dk A/S (direct)
zebrarevision.dkPunktum dk A/S (direct)
📋 WHOIS#

⏱️ Lookup Timing#

NS
122ms
A
144ms
MX
152ms
AAAA
141ms
TXT
250ms
CAA
145ms
HTTPS
130ms
TLSA
176ms
SOA
122ms
MTA-STS
114ms
DNSSEC
197ms
SRV
183ms
Total
1032ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-06-21 00:21:51 1084ms 2 NS 1 A 1 MX 🔒 Secure
2026-06-18 04:50:21 shown 1032ms 2 NS 1 A 1 MX 🔒 Secure
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