aleu.dk

📜 Historical scan 2026-06-27 09:22:38 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

aleu.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 30 October 2014 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 77.66.124.122 is hosted by Sentia Denmark A/S (AS47292) in Denmark. Mail is handled by aleu-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 188ms

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 222ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
77.66.124.122	600s	web22.redhost.dk	AS47292	Sentia Denmark A/S	77.66.124.0/23	🇩🇰 Denmark	—

📧 MX Records#

1 records 230ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	aleu-dk.mail.protection.outlook.com	2a01:111:f403:ca04::7 2a01:111:f403:ca04::d 2a01:111:f403:ca09::4 2a01:111:f403:ca09::c 52.101.68.0 52.101.68.29 52.101.68.8 52.101.73.1	mail-db4pr02cu00307.inbound.protection.outlook.com mail-db6pr03cu00105.inbound.protection.outlook.com mail-am0pr04cu00504.inbound.protection.outlook.com mail-as8pr05cu00304.inbound.protection.outlook.com mail-db3pr0202cu00100.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-du0pr03cu00100.inbound.protection.outlook.com mail-am3pr04cu00501.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
🔶 Autoconfig	aleu.dk → 77.66.124.122

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 335ms

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

📝 TXT Records#

3 records 393ms

TXT Record
18.03.2026
MS=ms33639985
v=spf1 a mx ptr ip4:91.238.212.109 include:spf.protection.outlook.com ~all

✉️ SPF#

Policy	Record (aleu.dk)
~all (soft fail)	v=spf1 a mx ptr 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 2026-10-11 03:12:17

www CNAME	aleu.dk (all on aleu.dk) → 77.66.124.122 (AS47292)
www vs bare domain	Same network aleu.dk: 77.66.124.122 (AS47292) www.aleu.dk: 77.66.124.122 (AS47292)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
selector1	selector1-aleu-dk._domainkey.alefteruddannelse.onmicrosoft.com	RSA · ~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: 4/10 · policy: ~all

warn "ptr" is slow, unreliable and discouraged (RFC 7208 §5.5)

🔏 ACME Challenge#

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

🔗 TLSA / DANE#

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

🔐 DNSSEC#

302ms

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

🏷️ SOA#

234ms

Field	Value
Serial	2026061001
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 17:30:36

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2014-10-30
Expires	2026-10-31 (12d)

📋 WHOIS#

⏱️ Lookup Timing#

188ms

222ms

230ms

AAAA

233ms

TXT

393ms

CAA

195ms

HTTPS

221ms

TLSA

420ms

SOA

234ms

MTA-STS

258ms

DNSSEC

302ms

SRV

335ms

Total

1797ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-11 03:12:17	1141ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-29 15:43:17	1644ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-23 19:36:20	1180ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-10 14:01:06	1974ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-26 00:38:55	983ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-10 04:28:28	1797ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-17 23:15:19	7112ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-14 19:52:41	2142ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-12 02:30:48	10162ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-03 01:00:43	2657ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-27 09:22:38 shown	1797ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 12:43:10	721ms	2 NS 1 A 1 MX	🔒 Secure