plesner.dk

📜 Historical scan 2026-06-17 19:29:21 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

plesner.dk is a .dk domain served by 2 nameservers (dns1.cscdns.net, dns2.cscdns.net). It was registered on 25 June 1997 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 82.103.129.185 is hosted by Asergo Holding ApS (AS30736) in Denmark. Mail is handled by plesner-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#

2 records 66ms

Nameserver	IP addresses	PTR	ASN / ISP
dns1.cscdns.net	156.154.130.100 2610:a1:1022::100	ns7.netnames.net ns3.netnames.net	AS12008 Vercara, LLC AS12008 Vercara, LLC
dns2.cscdns.net	156.154.131.100 2610:a1:1023::100	ns2.netnames.net ns2.netnames.net	AS12008 Vercara, LLC AS12008 Vercara, LLC

🌍 A Records#

1 records 209ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
82.103.129.185	—	ddsks.dk	AS30736	Asergo Holding ApS	82.103.128.0/18	🇩🇰 Denmark	Copenhagen

📧 MX Records#

1 records 217ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	—	plesner-dk.mail.protection.outlook.com	2a01:111:f403:ca04::6 2a01:111:f403:ca04::9 2a01:111:f403:ca04::b 2a01:111:f403:ca09::2 52.101.73.2 52.101.73.24 52.101.73.26 52.101.73.8	mail-db4pr02cu00406.inbound.protection.outlook.com mail-db7pr03cu00601.inbound.protection.outlook.com mail-dbbpr03cu00103.inbound.protection.outlook.com mail-am0pr83cu00402.inbound.protection.outlook.com mail-as9pr07cu00302.inbound.protection.outlook.com mail-as8pr05cu00300.inbound.protection.outlook.com mail-as9pr05cu01302.inbound.protection.outlook.com mail-am0pr04cu00500.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 → 52.98.149.136
🔶 Autoconfig	plesner.com → 82.103.129.185

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 293ms

TXT Record
MS=ms78807820
v=spf1 ip4:194.182.6.185 include:spf.topdesk.net include:spf.mailanyone.net include:_spf.defgo.net include:servers.mcsv.net include:o._spf.hostedsepo.dk include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (plesner.dk)
-all (hard fail)	v=spf1 ip4:194.182.6.185 include:spf.topdesk.net include:spf.mailanyone.net include:_spf.defgo.net include:servers.mcsv.net include:o._spf.hostedsepo.dk include:spf.protection.outlook.com -all

📨 DMARC#

Policy	Record (_dmarc.plesner.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:qehcrx5k@ag.dmarcian-eu.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 2026-10-11 19:25:29

www CNAME	plesner.com (all on plesner.com) → 82.103.129.185 (AS30736)
www vs bare domain	Same network plesner.dk: 82.103.129.185 (AS30736) www.plesner.dk: 82.103.129.185 (AS30736)
Wildcard	Yes: any name under the zone resolves

✍️ DKIM keys#

2 found

Selector	CNAME	Key
selector1	selector1-plesner-dk._domainkey.plesner.onmicrosoft.com	RSA · ~1024 bit below 2048 bit
selector2	selector2-plesner-dk._domainkey.plesner.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: 6/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

229ms

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

🏷️ SOA#

210ms

Field	Value
Serial	2013121142
Primary NS (MNAME)	dns1.cscdns.net
Responsible (RNAME)	hostmaster@cscdns.net
Refresh	21600s
Retry	7200s
Expire	2419200s
Minimum (neg-cache TTL)	86400s

📋 Registration#

WHOIS fetched 2026-10-20 07:27:45

Field	Value
Registrar	CSC Digital Brand Service, Inc
Registered	1997-06-25
Expires	2027-06-30 (252d)

🔗 Same registrant#

5 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).

Domain	Registrar
ip-law.dk	CSC Digital Brand Service, Inc
it-law.dk	CSC Digital Brand Service, Inc
learningthelaw.dk	CSC Digital Brand Service, Inc
pglaw.dk	CSC Digital Brand Service, Inc
psg.dk	CSC Digital Brand Service, Inc

📋 WHOIS#

⏱️ Lookup Timing#

66ms

209ms

217ms

AAAA

65ms

TXT

293ms

CAA

51ms

HTTPS

221ms

TLSA

176ms

SOA

210ms

MTA-STS

122ms

DNSSEC

229ms

SRV

392ms

Total

1370ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 12:18:00	1220ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-30 08:08:01	1300ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-01 16:36:21	10373ms	2 NS 1 A 1 MX	🔓 Insecure
2026-07-03 08:42:57	3017ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-28 08:42:53	839ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-25 05:03:51	1545ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-20 23:22:32	1162ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-20 21:14:04	975ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-17 19:29:21 shown	1370ms	2 NS 1 A 1 MX	🔓 Insecure