alsion.dk

📜 Historical scan 2026-09-18 16:07:23 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

alsion.dk is a .dk domain served by 3 nameservers (ns1.sdu.dk, ns2.sdu.dk, ns3.sdu.dk). It was registered on 22 February 2005 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 94.231.108.19 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by alsion-dk.t-v1.mx.microsoft. 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#

3 records 41ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.sdu.dk	130.225.155.136	ns1.sdu.dk	AS1835 FSKNET-DK Forskningsnettet - Danish network for Research and Education
ns2.sdu.dk	130.225.155.148	ns2.sdu.dk	AS1835 FSKNET-DK Forskningsnettet - Danish network for Research and Education
ns3.sdu.dk	193.163.227.4	ns3.sdu.dk	AS44328 Region Syddanmark

🌍 A Records#

1 records 37ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
94.231.108.19	3600s	web15.curanet.dk	AS48854	team.blue Denmark A/S	94.231.96.0/20	🇩🇰 Denmark	—

📧 MX Records#

1 records 43ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	alsion-dk.t-v1.mx.microsoft	2a01:111:f403:ca04::4 2a01:111:f403:ca04::8 2a01:111:f403:ca3c::8 2a01:111:f403:ca48::c 52.101.209.31 52.101.68.8 52.101.91.156 52.101.91.159	mail-db4pr02cu00204.inbound.protection.outlook.com mail-db5pr02cu00100.inbound.protection.outlook.com mail-zrxpr05cu00100.inbound.protection.outlook.com mail-miypr03cu00104.inbound.protection.outlook.com mail-cpjpr05cu00207.inbound.protection.outlook.com mail-du0pr03cu00100.inbound.protection.outlook.com mail-maspr04cu00104.inbound.protection.outlook.com mail-matpr04cu00207.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

📝 TXT Records#

2 records 147ms

TXT Record
MS=ms26188313
v=spf1 include:_spf.sdu.dk -all

✉️ SPF#

Policy	Record (alsion.dk)
-all (hard fail)	v=spf1 include:_spf.sdu.dk -all

📨 DMARC#

Policy	Record (_dmarc.alsion.dk)
p=reject	v=DMARC1; p=reject; sp=reject; rua=mailto:655b353a1f136@dmarc.centerasecurity.com; ruf=mailto:dmarc.reports@sdu.dk

📬 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 2026-10-19 04:40:29

www	94.231.108.19 (AS48854) (address records, no CNAME)
www vs bare domain	Same network alsion.dk: 94.231.108.19 (AS48854) www.alsion.dk: 94.231.108.19 (AS48854)
Wildcard	No
Denial of existence	NSEC3 · 10 iterations · 3-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: 5/10 · policy: -all

No problems found

🔗 TLSA / DANE#

4 records 86ms

Service / Owner	Type	Cert association
SMTP _25._tcp.alsion-dk.t-v1.mx.microsoft	DANE-TA · Full cert · SHA-256	EA7A25255D111FC3CE4CB8FABE3ADF9C…
SMTP _25._tcp.alsion-dk.t-v1.mx.microsoft	DANE-EE · SPKI · SHA-256	803F7447CC75B208DBCA042346F5D8DF…
SMTP _25._tcp.alsion-dk.t-v1.mx.microsoft	DANE-TA · Full cert · SHA-256	C1AD7778796D20BCA65C889A26550211…
SMTP _25._tcp.alsion-dk.t-v1.mx.microsoft	DANE-EE · SPKI · SHA-256	54883CC5F1849331E6BF5002C3129D20…

🔐 DNSSEC#

121ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2011031714
Primary NS (MNAME)	ns1.sdu.dk
Responsible (RNAME)	dns@it-service.sdu.dk
Refresh	3600s
Retry	360s
Expire	604800s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-16 00:35:20

Field	Value
Registrar	CURANET A/S
Registered	2005-02-22
Expires	2029-02-28 (859d)

🔗 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#

41ms

37ms

43ms

AAAA

45ms

TXT

147ms

CAA

30ms

HTTPS

16039ms

TLSA

86ms

SOA

0ms

MTA-STS

42ms

DNSSEC

121ms

SRV

96ms

Total

16728ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-19 04:40:29	17469ms	3 NS 1 A 1 MX	🔓 Insecure
2026-10-16 00:25:06	16708ms	3 NS 1 A 1 MX	🔓 Insecure
2026-10-12 15:37:48	9750ms	3 NS 1 A 1 MX	🔓 Insecure
2026-10-11 14:09:06	21714ms	3 NS 1 A 1 MX	🔓 Insecure
2026-10-10 13:43:29	4366ms	3 NS 1 A 1 MX	🔓 Insecure
2026-10-09 12:44:13	16913ms	3 NS 1 A 1 MX	🔓 Insecure
2026-10-08 12:03:00	16744ms	3 NS 1 A 1 MX	🔓 Insecure
2026-10-05 04:18:56	16707ms	3 NS 1 A 1 MX	🔓 Insecure
2026-10-03 04:00:43	4573ms	3 NS 1 A 1 MX	🔓 Insecure
2026-09-30 03:39:29	17084ms	3 NS 1 A 1 MX	🔓 Insecure
2026-09-28 02:58:12	4550ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-25 04:53:49	16689ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-24 04:27:26	16719ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-18 16:07:23 shown	16728ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-09 02:04:45	8524ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-31 11:18:53	6868ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-29 05:44:23	17435ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-24 16:58:21	4593ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-21 08:23:15	18082ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-18 05:47:28	8874ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-16 15:03:02	5518ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-14 00:09:58	9816ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-11 04:29:04	5409ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-09 16:07:37	6573ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-07 12:48:43	9175ms	3 NS 1 A 1 MX	🔒 Secure