jesperalstrup.dk

Records from scan: 2026-09-30 13:28:55 · 1074ms total · last checked 2026-10-20 04:05 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

jesperalstrup.dk is a .dk domain served by 3 nameservers (ns01.athena-hosting.dk, ns02.athena-hosting.dk, ns03.athena-hosting.dk). It was registered on 11 October 2001 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by jesperalstrup-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

3 records 42ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.athena-hosting.dk	217.30.38.181	dns1.sentia.dk	AS47292 Sentia Denmark A/S
ns02.athena-hosting.dk	217.30.38.27	dns2.sentia.dk	AS47292 Sentia Denmark A/S
ns03.athena-hosting.dk	217.30.38.30	dns3.sentia.dk	AS47292 Sentia Denmark A/S

🌍 A Records#

🌍

No A records found

📧 MX Records#

1 records 35ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	jesperalstrup-dk.mail.protection.outlook.com	2a01:111:f403:ca04::a 2a01:111:f403:ca09::28 2a01:111:f403:ca3c::8 2a01:111:f403:ca48::10 52.101.103.140 52.101.103.39 52.101.181.153 52.101.68.21	mail-du0pr03cu00102.inbound.protection.outlook.com mail-am6pr02cu00300.inbound.protection.outlook.com mail-zrxpr05cu00100.inbound.protection.outlook.com mail-miypr05cu00100.inbound.protection.outlook.com mail-miypr02cu00204.inbound.protection.outlook.com mail-miypr05cu00207.inbound.protection.outlook.com mail-wa4pr04cu00101.inbound.protection.outlook.com mail-db4pr02cu00205.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#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 52.98.154.152

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 221ms

TXT Record
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (jesperalstrup.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -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#

checked 2026-10-07 16:06:10

www	NXDOMAIN
www vs bare domain	Neither resolves jesperalstrup.dk: no address www.jesperalstrup.dk: no address
Wildcard	No

🔎 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#

83ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	resolution failed: ncache nxrrset

🏷️ SOA#

49ms

Field	Value
Serial	2021120601
Primary NS (MNAME)	ns01.athena-hosting.dk
Responsible (RNAME)	hostmaster@athena-hosting.dk
Refresh	3600s
Retry	7200s
Expire	3600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-09 07:07:52

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2001-10-11
Expires	2026-12-31 (72d)

📋 WHOIS#

⏱️ Lookup Timing#

42ms

46ms

35ms

AAAA

56ms

TXT

221ms

CAA

40ms

HTTPS

51ms

TLSA

590ms

SOA

49ms

MTA-STS

85ms

DNSSEC

83ms

SRV

65ms

Total

1074ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 13:28:55 shown	1074ms	3 NS 0 A 1 MX	🔓 Insecure
2026-09-30 06:34:26	642ms	3 NS 0 A 1 MX	🔓 Insecure
2026-06-18 07:18:12	936ms	3 NS 0 A 1 MX	🔓 Insecure