jesperhorn.dk

📜 Historical scan 2026-06-18 04:21:41 · ← Latest scan

⬇ 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 this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

5 records 89ms

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 112ms

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

📧 MX Records#

1 records 114ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	—	jesperhorn-dk.mail.protection.outlook.com	2a01:111:f403:ca04::4 2a01:111:f403:ca04::9 2a01:111:f403:ca09:: 2a01:111:f403:ca09::d 52.101.68.18 52.101.73.15 52.101.73.22 52.101.73.30	mail-db4pr02cu00204.inbound.protection.outlook.com mail-db7pr03cu00601.inbound.protection.outlook.com mail-am3pr04cu00500.inbound.protection.outlook.com mail-as9pr05cu01305.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-am7pr05cu00106.inbound.protection.outlook.com mail-am7pr05cu00306.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 → 52.98.228.216

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

2 records 199ms

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 307ms

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#

latest probe, not this scan · checked 2026-10-24 11:38:36

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#

155ms

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

🏷️ SOA#

79ms

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 (5d)

📋 WHOIS#

⏱️ Lookup Timing#

89ms

112ms

114ms

AAAA

82ms

TXT

307ms

CAA

45ms

HTTPS

85ms

TLSA

297ms

SOA

79ms

MTA-STS

60ms

DNSSEC

155ms

SRV

199ms

Total

5224ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-24 11:38:36	23401ms	5 NS 1 A 1 MX	🔓 Insecure
2026-10-11 10:04:42	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 shown	5224ms	5 NS 1 A 1 MX	🔓 Insecure