aa-c.dk

📜 Historical scan 2026-10-03 04:07:46 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

aa-c.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 20 January 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 94.231.103.100 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by aac-dk0e.mail.protection.outlook.com. The zone is not DNSSEC-signed, 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#

3 records 534ms

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 514ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
94.231.103.100	600s	dnsforward.simply.com	AS48854	team.blue Denmark A/S	94.231.96.0/20	🇩🇰 Denmark	—

📧 MX Records#

1 records 552ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	aac-dk0e.mail.protection.outlook.com	2a01:111:f403:ca04::c 2a01:111:f403:ca09::24 2a01:111:f403:ca09::28 2a01:111:f403:ca3c::8 52.101.185.21 52.101.185.24 52.101.73.123 52.101.73.153	mail-db9pr02cu00204.inbound.protection.outlook.com mail-am6pr02cu00204.inbound.protection.outlook.com mail-am6pr02cu00300.inbound.protection.outlook.com mail-zrxpr05cu00100.inbound.protection.outlook.com mail-zrxpr05cu00105.inbound.protection.outlook.com mail-zrxpr07cu00100.inbound.protection.outlook.com mail-am6pr02cu00203.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 → 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#

1 records 774ms

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

✉️ SPF#

Policy	Record (aa-c.dk)
-all (hard fail)	v=spf1 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 2026-10-13 11:12:18

www	94.231.103.100 (AS48854) (address records, no CNAME)
www vs bare domain	Same network aa-c.dk: 94.231.103.100 (AS48854) www.aa-c.dk: 94.231.103.100 (AS48854)
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

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

657ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✓ Found
Flags	unsigned answer

🏷️ SOA#

195ms

Field	Value
Serial	2026100200
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 2026-10-03 04:14:53

Field	Value
Registrar	Simply.com A/S
Registered	2025-01-20
Expires	2027-01-19 (94d)

📋 WHOIS#

⏱️ Lookup Timing#

534ms

514ms

552ms

AAAA

533ms

TXT

774ms

CAA

506ms

HTTPS

524ms

TLSA

1189ms

SOA

195ms

MTA-STS

576ms

DNSSEC

657ms

SRV

559ms

Total

3978ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-13 11:12:18	1066ms	3 NS 1 A 1 MX	🔓 Insecure
2026-10-03 04:07:46 shown	3978ms	3 NS 1 A 1 MX	🔓 Insecure
2026-09-25 02:12:23	1130ms	3 NS 1 A 1 MX	🔓 Insecure
2026-07-03 19:07:34	5862ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-26 20:18:53	586ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-20 06:22:58	557ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-16 13:00:27	1604ms	3 NS 1 A 1 MX	🔒 Secure