kalkul.dk

📜 Historical scan 2026-06-25 07:25:47  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

kalkul.dk is a .dk domain served by 3 nameservers (ns1.dns.services, ns2.dns.services, ns3.dns.services). It was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mc.ghosting.dk. 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#

3 records   47ms
NameserverIP addressesPTRASN / ISP
ns1.dns.services 195.242.131.6
2001:67c:564:ffff::11		 ns1.dns.services
ns1.dns.services		 AS62121 Christian Ebsen ApS
AS62121 Christian Ebsen ApS
ns2.dns.services 2a00:1b18:2:3:3::2
62.69.152.37		 ns2.dns.services
37.34-46.152.69.62.in-addr.arpa		 AS47527 DLX A/S
AS47527 DLX A/S
ns3.dns.services 185.55.197.53 ns3.dns.services AS60153 Inpadi ApS

🌍 A Records#

🌍
No A records found

📧 MX Records#

1 records   47ms
PriorityTTLMail ServerIP addressesPTRASN
10 600s mc.ghosting.dk 92.241.201.69 mc.ghosting.dk AS3342 Cibicom A/S

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscover195.242.131.238
🔶 Autoconfig195.242.131.238

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records   116ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 0 0 443 mc.ghosting.dk

📝 TXT Records#

1 records   278ms
TXT Record
v=spf1 mx -all

✉️ SPF#

PolicyRecord (kalkul.dk)
-all (hard fail) v=spf1 mx -all

📨 DMARC#

PolicyRecord (_dmarc.kalkul.dk)
p=reject v=DMARC1; p=reject

📬 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 2026-10-10 18:06:01
wwwNXDOMAIN
www vs bare domainNeither resolves
kalkul.dk: no address
www.kalkul.dk: no address
WildcardNo
Denial of existenceNSEC zone can be walked (all names enumerable)
CDS / CDNSKEYNone 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found
SelectorCNAMEKey
dkim — 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#

1 records   108ms
Service / OwnerTypeCert association
SMTP _25._tcp.mc.ghosting.dk DANE-EE · SPKI · SHA-256 2244DD2ED7D07B9384FB734B224B3CFB…

🔐 DNSSEC#

90ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsresolution failed: ncache nxrrset

🏷️ SOA#

27ms
FieldValue
Serial2023030724
Primary NS (MNAME)ns1.dns.services
Responsible (RNAME)post@dns.services
Refresh10800s
Retry3600s
Expire1814400s
Minimum (neg-cache TTL)7200s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup
📋 WHOIS#

⏱️ Lookup Timing#

NS
47ms
A
89ms
MX
47ms
AAAA
49ms
TXT
278ms
CAA
45ms
HTTPS
43ms
TLSA
108ms
SOA
27ms
MTA-STS
48ms
DNSSEC
90ms
SRV
116ms
Total
777ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-09-08 06:20:28 563ms 3 NS 0 A 1 MX 🔒 Secure
2026-08-27 13:12:23 609ms 3 NS 0 A 1 MX 🔒 Secure
2026-08-25 14:18:17 516ms 3 NS 0 A 1 MX 🔒 Secure
2026-06-25 07:25:47 shown 777ms 3 NS 0 A 1 MX 🔒 Secure
2026-06-18 08:34:47 566ms 3 NS 0 A 1 MX 🔒 Secure
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