dseu.dk

📜 Historical scan 2026-10-07 16:33:10 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

dseu.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 17 November 2006 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 213.173.226.237 is hosted by Norlys Telco A/S (AS3308) in Denmark. Mail is handled by dseu-dk.mail.protection.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 35ms

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 39ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
213.173.226.237	43200s	—	AS3308	Norlys Telco A/S	213.173.224.0/19	🇩🇰 Denmark	Valby

📧 MX Records#

1 records 33ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	dseu-dk.mail.protection.outlook.com	2a01:111:f403:ca04::9 2a01:111:f403:ca09::20 2a01:111:f403:ca38::a 2a01:111:f403:ca48::c 52.101.103.143 52.101.185.114 52.101.209.28 52.101.73.123	mail-db7pr03cu00601.inbound.protection.outlook.com mail-as8pr05cu00400.inbound.protection.outlook.com mail-wa4pr05cu00102.inbound.protection.outlook.com mail-miypr03cu00104.inbound.protection.outlook.com mail-miypr03cu00107.inbound.protection.outlook.com mail-zrxpr04cu00102.inbound.protection.outlook.com mail-cpjpr05cu00104.inbound.protection.outlook.com mail-am6pr02cu00203.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 → 52.98.149.152
🔶 Autoconfig	dseu.dk → 213.173.226.237

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 56ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	0	1	5061	sipfed.online.lync.com

📝 TXT Records#

3 records 164ms

TXT Record
18.03.2026
MS=ms74595211
v=spf1 mx a ip4:91.238.212.109 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (dseu.dk)
-all (hard fail)	v=spf1 mx a ip4:91.238.212.109 include:spf.protection.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 2026-10-10 23:35:44

www CNAME	dseu.dk (all on dseu.dk) → 213.173.226.237 (AS3308)
www vs bare domain	Same network dseu.dk: 213.173.226.237 (AS3308) www.dseu.dk: 213.173.226.237 (AS3308)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 3/10 · policy: -all

No problems found

🔏 ACME Challenge#

Type	Name	Value
CNAME	_acme-challenge.dseu.dk	dseu.dk

🔗 TLSA / DANE#

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

🔐 DNSSEC#

50ms

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

🏷️ SOA#

33ms

Field	Value
Serial	2026090901
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 2026-10-10 23:53:19

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2006-11-17
Expires	2026-11-30 (34d)

📋 WHOIS#

⏱️ Lookup Timing#

35ms

39ms

33ms

AAAA

35ms

TXT

164ms

CAA

33ms

HTTPS

34ms

TLSA

617ms

SOA

33ms

MTA-STS

44ms

DNSSEC

50ms

SRV

56ms

Total

1012ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-10 23:35:43	2371ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-07 16:33:10 shown	1012ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-09 11:23:46	1680ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-27 01:02:22	1382ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-10 07:49:35	2416ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-18 04:05:57	4437ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-11 06:31:07	17088ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-02 00:08:23	773ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 04:51:03	1559ms	2 NS 1 A 1 MX	🔒 Secure