regnskabsskolen.dk

📜 Historical scan 2026-10-20 18:05:43  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

regnskabsskolen.dk is a .dk domain served by 2 nameservers (chase.ns.cloudflare.com, connie.ns.cloudflare.com). It was registered on 17 March 2004 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.46.106 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx1-dk.centerasecurity.dk, mx2-dk.centerasecurity.dk and 1 more. The zone is DNSSEC-signed and validates, publishes a DMARC policy and is reachable over IPv6. 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

🌍 A Records#

2 records   121ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.46.106 300s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.137.198 300s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

3 records   118ms

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscoverautodiscover.outlook.com → 52.98.207.248

🔷 AAAA Records (IPv6)#

2 records   55ms

🔐 HTTPS Records#

1 records   146ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.46.106,172.67.137.198 ech=AEX+DQBB3QAgACAYD+5BPkEEfZcYrhXVES2cQDsBXedXaHSjV8c8tN9ANQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:89c6,2606:4700:3034::6815:2e6a

📝 TXT Records#

3 records   353ms
TXT Record
ca3-4bc82161554f44a88a2316d3beaff27f
MS=ms84817267
v=spf1 ip4:152.115.44.90 include:_spf.centerasecurity.dk include:spf.protection.outlook.com include:sendgrid.net include:_spf.createsend.com include:o._spf.hostedsepo.dk -all

✉️ SPF#

📨 DMARC#

PolicyRecord (_dmarc.regnskabsskolen.dk)
p=reject v=DMARC1; p=reject; rua=mailto:64103de38f8ac@dmarc.centerasecurity.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 2026-10-27 06:35:36
www104.21.46.106 172.67.137.198 2606:4700:3031::ac43:89c6 2606:4700:3034::6815:2e6a (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardNo
Denial of existenceCompact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEYPublished: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 6/10 · policy: -all

No problems found

🔏 ACME Challenge#

TypeNameValue
CNAME _acme-challenge.regnskabsskolen.dk regnskabsskolen.dk.kinstavalidation.app
TXT regnskabsskolen.dk.kinstavalidation.app 9eQ_9RJzr0aaRt_McuN5rOcYl8yWmJ_-GwkYr5I3YxA
TXT regnskabsskolen.dk.kinstavalidation.app Y73Md9-LaKJMlNf7Vt1V6GOWbeiswK6wFTpnZIJkFas

🔗 TLSA / DANE#

6 records   616ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx1-dk.centerasecurity.dk DANE-EE · SPKI · SHA-256 56315B43B892E9AEE184919EC6A5821C…
SMTP _25._tcp.mx1-dk.centerasecurity.dk DANE-EE · SPKI · SHA-256 D4C349E7B72F5CF4A9CEA358F98947C2…
SMTP _25._tcp.mx2-dk.centerasecurity.dk DANE-EE · SPKI · SHA-256 56315B43B892E9AEE184919EC6A5821C…
SMTP _25._tcp.mx2-dk.centerasecurity.dk DANE-EE · SPKI · SHA-256 D4C349E7B72F5CF4A9CEA358F98947C2…
SMTP _25._tcp.mx3-dk.centerasecurity.dk DANE-EE · SPKI · SHA-256 D4C349E7B72F5CF4A9CEA358F98947C2…
SMTP _25._tcp.mx3-dk.centerasecurity.dk DANE-EE · SPKI · SHA-256 56315B43B892E9AEE184919EC6A5821C…

🔐 DNSSEC#

231ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

20ms
FieldValue
Serial2416002417
Primary NS (MNAME)chase.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-16 15:32:51
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2004-03-17
Expires2031-03-31 (1616d)

🔗 Same registrant#

3 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
pro-accounting.dkPunktum dk A/S (direct)
revisionsinstituttet.dkPunktum dk A/S (direct)
ri.dkPunktum dk A/S (direct)
📋 WHOIS#

⏱️ Lookup Timing#

NS
122ms
A
121ms
MX
118ms
AAAA
55ms
TXT
353ms
CAA
149ms
HTTPS
146ms
TLSA
616ms
SOA
20ms
MTA-STS
109ms
DNSSEC
231ms
SRV
378ms
Total
2538ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-27 06:35:36 719ms 2 NS 2 A 3 MX 🔒 Secure
2026-10-23 04:13:25 893ms 2 NS 2 A 3 MX 🔒 Secure
2026-10-21 23:31:57 812ms 2 NS 2 A 3 MX 🔒 Secure
2026-10-20 18:05:43 shown 2538ms 2 NS 2 A 3 MX 🔒 Secure
2026-10-18 03:19:43 1364ms 2 NS 2 A 3 MX 🔒 Secure
2026-10-18 03:14:54 673ms 2 NS 2 A 3 MX 🔒 Secure
2026-10-01 03:56:12 1099ms 2 NS 2 A 3 MX 🔒 Secure
2026-09-28 01:29:10 3980ms 2 NS 2 A 3 MX 🔒 Secure
2026-09-26 00:58:30 1154ms 2 NS 2 A 3 MX 🔒 Secure
2026-09-25 00:40:53 2164ms 2 NS 2 A 3 MX 🔒 Secure
2026-09-05 18:24:05 2128ms 2 NS 2 A 3 MX 🔒 Secure
2026-08-19 07:44:17 5805ms 2 NS 2 A 3 MX 🔒 Secure
2026-08-10 19:47:26 1610ms 2 NS 2 A 3 MX 🔒 Secure
2026-07-27 01:31:28 1513ms 2 NS 2 A 3 MX 🔒 Secure
2026-07-17 18:49:12 17238ms 2 NS 2 A 3 MX 🔒 Secure
2026-06-26 19:34:50 1095ms 2 NS 2 A 3 MX 🔒 Secure
2026-06-25 14:55:29 1052ms 2 NS 2 A 3 MX 🔒 Secure
2026-06-20 17:34:28 1874ms 2 NS 2 A 3 MX 🔒 Secure
2026-06-17 12:58:21 4842ms 2 NS 2 A 3 MX 🔒 Secure
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