jesperhorn.dk

Records from scan: 2026-10-11 10:04:42 · 15180ms total · last checked 2026-10-16 21:17 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

jesperhorn.dk is a .dk domain served by 5 nameservers (ns1.d-n-s.dk, ns2.d-n-s.dk, ns3.d-n-s.dk and 2 more). It was registered on 21 October 2013 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 52.142.195.141 is hosted by Microsoft Corporation (AS8075) in The Netherlands. Mail is handled by jesperhorn-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, publishes a 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#

5 records 584ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.d-n-s.dk	185.215.92.135	—	AS209959 Mark Weber Andersen
ns2.d-n-s.dk	185.215.92.136	—	AS209959 Mark Weber Andersen
ns3.d-n-s.dk	185.215.92.137	—	AS209959 Mark Weber Andersen
ns4.d-n-s.dk	185.215.92.138	—	AS209959 Mark Weber Andersen
ns5.d-n-s.dk	185.215.92.139	—	AS209959 Mark Weber Andersen

🌍 A Records#

1 records 584ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
52.142.195.141	3600s	web346.mwahost.com	AS8075	Microsoft Corporation	52.136.0.0/13	🇳🇱 The Netherlands	Amsterdam

📧 MX Records#

1 records 594ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	jesperhorn-dk.mail.protection.outlook.com	2a01:111:f403:ca04::9 2a01:111:f403:ca09::a 2a01:111:f403:ca48::8 2a01:111:f403:ca48::c 52.101.103.39 52.101.68.10 52.101.68.15 52.101.68.21	mail-db7pr03cu00601.inbound.protection.outlook.com mail-am7pr02cu00202.inbound.protection.outlook.com mail-miypr02cu00100.inbound.protection.outlook.com mail-miypr03cu00104.inbound.protection.outlook.com mail-miypr05cu00207.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-db6pr03cu00107.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 → 40.104.116.40

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

2 records 713ms

Service	Priority	Weight	Port	Target
_imaps._tcp	0	0	993	jesperhorn.dk
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records#

3 records 879ms

TXT Record
DNS-Service by D-N-S.DK
MS=ms53355668
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

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

📨 DMARC#

Policy	Record (_dmarc.jesperhorn.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:dmarc@jesperhorn.dk; ruf=mailto:dmarc@jesperhorn.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#

checked 2026-10-11 10:04:42

www CNAME	jesperhorn.dk (all on jesperhorn.dk) → 52.142.195.141 (AS8075)
www vs bare domain	Same network jesperhorn.dk: 52.142.195.141 (AS8075) www.jesperhorn.dk: 52.142.195.141 (AS8075)
Wildcard	No

✍️ DKIM keys#

1 found

Selector	CNAME	Key
selector1	selector1-jesperhorn-dk._domainkey.jhmaskinudlejning.onmicrosoft.com	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: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

659ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

635ms

Field	Value
Serial	2025031702
Primary NS (MNAME)	ns1.d-n-s.dk
Responsible (RNAME)	hostmaster@d-n-s.dk
Refresh	7200s
Retry	120s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-07 13:52:30

Field	Value
Registrar	CURANET A/S
Registered	2013-10-21
Expires	2026-10-31 (13d)

📋 WHOIS#

⏱️ Lookup Timing#

584ms

594ms

AAAA

605ms

TXT

879ms

CAA

595ms

HTTPS

605ms

TLSA

847ms

SOA

635ms

MTA-STS

611ms

DNSSEC

659ms

SRV

713ms

Total

15180ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-11 10:04:42 shown	15180ms	5 NS 1 A 1 MX	🔓 Insecure
2026-09-30 04:21:31	6230ms	5 NS 1 A 1 MX	🔓 Insecure
2026-09-27 17:07:09	7078ms	5 NS 1 A 1 MX	🔓 Insecure
2026-06-22 04:10:07	1190ms	5 NS 1 A 1 MX	🔓 Insecure
2026-06-18 04:21:41	5224ms	5 NS 1 A 1 MX	🔓 Insecure