plesner-jacobsen.dk

📜 Historical scan 2026-10-16 11:37:18 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

plesner-jacobsen.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 6 September 1999 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 62.135.241.91 is hosted by TDC Holding A/S (AS3292) in Denmark. Mail is handled by plesnerjacobsen-dk01i.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, 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 75ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records#

1 records 61ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
62.135.241.91	900s	62-135-241-91-cable.dk.customer.tdc.net	AS3292	TDC Holding A/S	62.135.128.0/17	🇩🇰 Denmark	Copenhagen

📧 MX Records#

1 records 54ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	43200s	plesnerjacobsen-dk01i.mail.protection.outlook.com	2a01:111:f403:c967::c 2a01:111:f403:ca04::b 2a01:111:f403:ca09::22 2a01:111:f403:ca09::26 52.101.209.153 52.101.209.28 52.101.68.15 52.101.73.120	mail-cpjpr05cu00204.inbound.protection.outlook.com mail-dbbpr03cu00103.inbound.protection.outlook.com mail-am7pr02cu00302.inbound.protection.outlook.com mail-am8pr83cu00106.inbound.protection.outlook.com mail-cpjpr04cu00101.inbound.protection.outlook.com mail-cpjpr05cu00104.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-am7pr02cu00300.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

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 139ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	0	1	443	autodiscover.outlook.com

📝 TXT Records#

3 records 333ms

TXT Record
google-site-verification=qFdQmkgB5AjBm67xXSXrT8KZD6i0MtZ5rEzt6ZgR_V0
MS=ms58604373
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

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

📨 DMARC#

Policy	Record (_dmarc.plesner-jacobsen.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:martin@plesner-jacobsen.dk,mailto:2105f1c1@mxtoolbox.dmarc-report.com; ruf=mailto:martin@plesner-jacobsen.dk,mailto:2105f1c1@forensics.dmarc-report.com; fo=1; pct=100

📬 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 2026-10-21 23:33:04

www	89.150.140.67 (AS203953) (address records, no CNAME)
www vs bare domain	Different networks plesner-jacobsen.dk: 62.135.241.91 (AS3292) www.plesner-jacobsen.dk: 89.150.140.67 (AS203953) (all like this)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 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#

222ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

70ms

Field	Value
Serial	2026101601
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-16 11:59:41

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	1999-09-06
Expires	2028-09-30 (704d)

🔗 Same registrant#

2 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
teeam.dk	Punktum dk A/S (direct)
unhooked.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

75ms

61ms

54ms

AAAA

76ms

TXT

333ms

CAA

116ms

HTTPS

86ms

TLSA

771ms

SOA

70ms

MTA-STS

161ms

DNSSEC

222ms

SRV

139ms

Total

2113ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-21 23:33:04	586ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-20 17:59:30	943ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-16 11:37:18 shown	2113ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-04 10:26:29	758ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-27 06:44:17	1404ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-23 13:10:43	1268ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-22 16:57:25	965ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-21 20:52:05	1025ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 14:46:01	1386ms	2 NS 1 A 1 MX	🔒 Secure