tc-ackermann.dk

📜 Historical scan 2026-10-09 20:30:05  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

tc-ackermann.dk is a .dk domain served by 3 nameservers (ns1.scf.dk, ns2.scf.dk, ns3.scf.dk). It was registered on 27 October 2017 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by outlook.cloud-mail.dk. 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   44ms
NameserverIP addressesPTRASN / ISP
ns1.scf.dk 80.208.56.222 outlook.saass.dk AS44869 FIBIA P/S
ns2.scf.dk 5.103.184.171 outlook.cloud-mail.dk AS44869 FIBIA P/S
ns3.scf.dk 5.103.12.92 5.103.12.92.static.fibianet.dk AS44869 FIBIA P/S

🌍 A Records#

🌍
No A records found

📧 MX Records#

1 records   34ms
PriorityTTLMail ServerIP addressesPTRASN
10 3600s outlook.cloud-mail.dk 5.103.184.171 outlook.cloud-mail.dk AS44869 FIBIA P/S

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records   86ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 0 0 443 outlook.cloud-mail.dk

📝 TXT Records#

2 records   200ms
TXT Record
google-site-verification=dTjaGLNmQX4wMzcbKNzyEXK2RBiBFVPW6uBPFwgc9yE
v=spf1 ip4:5.103.12.90/32 ip4:5.103.184.171/32 ip4:80.208.56.222/32 a:outlook.cloud-mail.dk -all

✉️ SPF#

PolicyRecord (tc-ackermann.dk)
-all (hard fail) v=spf1 ip4:5.103.12.90/32 ip4:5.103.184.171/32 ip4:80.208.56.222/32 a:outlook.cloud-mail.dk -all

📨 DMARC#

PolicyRecord (_dmarc.tc-ackermann.dk)
p=quarantine v=DMARC1;p=quarantine;sp=reject;pct=100;ruf=mailto:hostmaster@saass.dk

📬 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 2026-10-16 08:34:15
wwwNXDOMAIN
www vs bare domainNeither resolves
tc-ackermann.dk: no address
www.tc-ackermann.dk: no address
WildcardNo

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

58ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsresolution failed: ncache nxrrset

🏷️ SOA#

2319ms
FieldValue
Serial29
Primary NS (MNAME)ns1.scf.dk
Responsible (RNAME)hostmaster
Refresh900s
Retry600s
Expire86400s
Minimum (neg-cache TTL)3600s

📋 Registration#

WHOIS fetched 2026-10-16 09:00:37
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2017-10-27
Expires2027-10-31 (379d)

🔗 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
44ms
A
43ms
MX
34ms
AAAA
35ms
TXT
200ms
CAA
40ms
HTTPS
47ms
TLSA
67ms
SOA
2319ms
MTA-STS
58ms
DNSSEC
58ms
SRV
86ms
Total
2741ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-16 08:34:15 4734ms 3 NS 0 A 1 MX 🔓 Insecure
2026-10-15 07:27:26 5974ms 3 NS 0 A 1 MX 🔓 Insecure
2026-10-09 20:30:05 shown 2741ms 3 NS 0 A 1 MX 🔓 Insecure
2026-10-08 17:01:05 4533ms 3 NS 0 A 1 MX 🔓 Insecure
2026-10-07 16:57:10 4610ms 3 NS 0 A 1 MX 🔓 Insecure
2026-10-06 06:51:19 2186ms 3 NS 0 A 1 MX 🔓 Insecure
2026-10-05 06:20:51 11275ms 3 NS 0 A 1 MX 🔓 Insecure
2026-10-02 06:17:17 11234ms 3 NS 0 A 1 MX 🔓 Insecure
2026-09-30 06:07:02 3423ms 3 NS 0 A 1 MX 🔓 Insecure
2026-09-27 04:56:15 2740ms 3 NS 0 A 1 MX 🔓 Insecure
2026-09-25 04:15:54 4634ms 3 NS 0 A 1 MX 🔓 Insecure
2026-09-25 00:26:04 8676ms 3 NS 0 A 1 MX 🔓 Insecure
2026-09-23 23:47:36 2774ms 3 NS 0 A 1 MX 🔓 Insecure
2026-09-19 21:27:20 15395ms 3 NS 0 A 1 MX 🔓 Insecure
2026-09-13 05:59:55 1840ms 3 NS 0 A 1 MX 🔓 Insecure
2026-09-07 09:03:29 8338ms 3 NS 0 A 1 MX 🔓 Insecure
2026-08-30 01:46:48 2928ms 3 NS 0 A 1 MX 🔓 Insecure
2026-08-27 20:41:38 2816ms 3 NS 0 A 1 MX 🔓 Insecure
2026-08-26 20:07:36 5162ms 3 NS 0 A 1 MX 🔓 Insecure
2026-08-24 15:32:22 11833ms 3 NS 0 A 1 MX 🔓 Insecure
2026-08-21 07:03:15 9335ms 3 NS 0 A 1 MX 🔓 Insecure
2026-08-18 05:02:22 6632ms 3 NS 0 A 1 MX 🔓 Insecure
2026-08-14 22:41:39 4981ms 3 NS 0 A 1 MX 🔓 Insecure
2026-08-13 00:38:42 3770ms 3 NS 0 A 1 MX 🔓 Insecure
2026-08-10 00:53:36 11888ms 3 NS 0 A 1 MX 🔓 Insecure
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