aacs.dk

Records from scan: 2026-10-12 16:58:28 · 1207ms total · last checked 2026-10-18 00:29 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

aacs.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 10 December 2003 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 91.198.138.32 is hosted by Contabo GmbH (AS51167) in France. Mail is handled by aacs-dk.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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

3 records 35ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	2a02:2339:1:15c::4562:4562 91.197.248.78	ns1.simply.com ns1.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simply.com	185.25.141.15 2a02:2339:4006:101::4562:4562	ns2.simply.com ns2.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns3.simply.com	91.197.248.79	ns3.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 30ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
91.198.138.32	3600s	—	AS51167	Contabo GmbH	91.198.138.0/24	🇫🇷 France	Lauterbourg

📧 MX Records#

1 records 37ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	aacs-dk.mail.protection.outlook.com	2a01:111:f403:ca04::10 2a01:111:f403:ca04::b 2a01:111:f403:ca09::a 2a01:111:f403:ca48::a 52.101.103.162 52.101.181.153 52.101.185.24 52.101.73.123	mail-dbapr03cu00100.inbound.protection.outlook.com mail-dbbpr03cu00103.inbound.protection.outlook.com mail-am7pr02cu00202.inbound.protection.outlook.com mail-miypr02cu00202.inbound.protection.outlook.com mail-miypr03cu00202.inbound.protection.outlook.com mail-wa4pr04cu00101.inbound.protection.outlook.com mail-zrxpr07cu00100.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 → 52.98.154.152

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 37ms

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

📝 TXT Records#

2 records 98ms

TXT Record
MS=ms82854475
v=spf1 include:spf.protection.outlook.com include:spf.simply.com -all

✉️ SPF#

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

📨 DMARC#

Policy	Record (_dmarc.aacs.dk)
p=reject	v=DMARC1;p=reject;rua=mailto:dmarc@vbb.dk;ruf=mailto:dmarc@k42.dk;fo=1;adkim=s;aspf=s;ri=60

📬 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#

checked 2026-10-12 16:58:28

www	91.198.138.32 (AS51167) (address records, no CNAME)
www vs bare domain	Same network aacs.dk: 91.198.138.32 (AS51167) www.aacs.dk: 91.198.138.32 (AS51167)
Wildcard	No
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

2 found

Selector	CNAME	Key
selector1	selector1-aacs-dk._domainkey.vbbyg.onmicrosoft.com	RSA · ~1024 bit below 2048 bit
selector2	selector2-aacs-dk._domainkey.vbbyg.onmicrosoft.com	RSA · ~1024 bit below 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: 2/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

107ms

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

🏷️ SOA#

34ms

Field	Value
Serial	2026101200
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-11 21:21:02

Field	Value
Registrar	Simply.com A/S
Registered	2003-12-10
Expires	2026-12-31 (74d)

🔗 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#

35ms

30ms

37ms

AAAA

33ms

TXT

98ms

CAA

33ms

HTTPS

36ms

TLSA

641ms

SOA

34ms

MTA-STS

45ms

DNSSEC

107ms

SRV

37ms

Total

1207ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-12 16:58:28 shown	1207ms	3 NS 1 A 1 MX	🔒 Secure
2026-10-03 02:09:49	1141ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-21 01:25:32	904ms	3 NS 1 A 1 MX	🔒 Secure
2026-07-02 00:17:42	2388ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-16 12:38:18	742ms	3 NS 1 A 1 MX	🔒 Secure