ottosen.dk

📜 Historical scan 2026-06-18 01:28:14 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

ottosen.dk is a .dk domain served by 2 nameservers (ns.scannet2.dk, ns2.scannet2.dk). It was registered on 12 February 1997 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by ottosen-dk.mail.eo.outlook.com. The zone is DNSSEC-signed and validates, has no 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 129ms

Nameserver	IP addresses	PTR	ASN / ISP
ns.scannet2.dk	185.25.141.9 2a02:2339:4006:10d::4171:4171	ns1.scannet.dk ns1.scannet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.scannet2.dk	2a02:2339:1:112:0:5:1:b11 91.197.248.72	ns2.scannet.dk ns2.scannet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 111ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
157.55.238.140	—	—	AS8075	—	—	—	—

📧 MX Records#

1 records 111ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	ottosen-dk.mail.eo.outlook.com	2a01:111:f403:ca04::9 2a01:111:f403:ca04::d 2a01:111:f403:ca09::20 2a01:111:f403:ca09::3 52.101.68.16 52.101.68.18 52.101.68.36 52.101.73.153	mail-db7pr03cu00601.inbound.protection.outlook.com mail-db6pr03cu00105.inbound.protection.outlook.com mail-as8pr05cu00400.inbound.protection.outlook.com mail-am6pr04cu00303.inbound.protection.outlook.com mail-db4pr02cu00400.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-db5pr02cu00104.inbound.protection.outlook.com mail-as8pr05cu00401.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 → 40.104.116.24

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 524ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	1	100	5061	sipfed.online.lync.com

📝 TXT Records#

2 records 353ms

TXT Record
MS=ms12848782
v=spf1 include:outlook.com ~all

✉️ SPF#

Policy	Record (ottosen.dk)
~all (soft fail)	v=spf1 include: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#

latest probe, not this scan · checked 2026-10-07 15:42:31

www CNAME	ottosen-web.sharepoint.com (all on sharepoint.com) ⚠ Dangling: the CNAME target does not exist. If that name can be claimed (an unregistered domain, or a free name on a hosting platform), whoever claims it controls www.ottosen.dk
www vs bare domain	www does not resolve ottosen.dk: 157.55.238.140 (AS8075) www.ottosen.dk: no address (all like this)
Wildcard	No
Denial of existence	NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

169ms

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

🏷️ SOA#

124ms

Field	Value
Serial	2020051201
Primary NS (MNAME)	ns.scannet2.dk
Responsible (RNAME)	hostmaster@scannet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-13 02:46:42

Field	Value
Registrar	A/S SCANNET
Registered	1997-02-12
Expires	2027-03-31 (157d)

🔗 Same registrant#

0 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).

No other domain with this registrant in our WHOIS data yet

📋 WHOIS#

⏱️ Lookup Timing#

129ms

111ms

AAAA

130ms

TXT

353ms

CAA

117ms

HTTPS

102ms

TLSA

1611ms

SOA

124ms

MTA-STS

110ms

DNSSEC

169ms

SRV

524ms

Total

2703ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-02 14:04:07	398ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-18 09:04:20	625ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-08 07:02:45	777ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-01 10:32:27	4675ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-27 06:41:01	5120ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-27 04:57:16	5483ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-25 01:24:20	4905ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-20 00:36:20	4652ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-18 20:27:19	4866ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-18 01:28:14 shown	2703ms	2 NS 1 A 1 MX	🔒 Secure