a-a.dk

📜 Historical scan 2026-07-03 01:45:34 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

a-a.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It was registered on 14 January 2019 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 63.33.163.67 is hosted by Amazon.com, Inc. (AS16509) in Ireland. Mail is handled by mx1.onlinemail.io, mx2.onlinemail.io. 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 49ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.curanet.dk	185.25.141.12 2a02:2339:4006:108::123	ns1.curanet.dk ns1.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.curanet.dk	2a02:2339:1:10f::123:123 91.197.248.75	ns2.curanet.dk ns2.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 31ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
63.33.163.67	3600s	ec2-63-33-163-67.eu-west-1.compute.amazonaws.com	AS16509	Amazon.com, Inc.	63.32.0.0/14	🇮🇪 Ireland	Dublin

📧 MX Records#

2 records 33ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mx1.onlinemail.io	185.21.42.12	mx1.onlinemail.io	AS48854 team.blue Denmark A/S
20	3600s	mx2.onlinemail.io	46.36.208.16	mx2.onlinemail.io	AS48854 team.blue Denmark A/S

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover-mf.onlinemail.io → 185.21.40.62
🔶 Autoconfig	autoconfig-mf.onlinemail.io → 185.21.40.62

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 143ms

TXT Record
v=spf1 include:spf.onlinemail.io ?all

✉️ SPF#

Policy	Record (a-a.dk)
?all (neutral)	v=spf1 include:spf.onlinemail.io ?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 2026-10-07 23:40:34

www	63.33.163.67 (AS16509) (address records, no CNAME)
www vs bare domain	Same network a-a.dk: 63.33.163.67 (AS16509) www.a-a.dk: 63.33.163.67 (AS16509)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC3 · 1 iteration · 1-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: 3/10 · policy: ?all

warn "?all" is neutral: it gives receivers no guidance, much like having no SPF

🔗 TLSA / DANE#

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

🔐 DNSSEC#

9062ms

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

🏷️ SOA#

27ms

Field	Value
Serial	2021111701
Primary NS (MNAME)	ns1.curanet.dk
Responsible (RNAME)	hostmaster@curanet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-09 06:00:52

Field	Value
Registrar	CURANET A/S
Registered	2019-01-14
Expires	2027-01-31 (105d)

📋 WHOIS#

⏱️ Lookup Timing#

49ms

31ms

33ms

AAAA

47ms

TXT

143ms

CAA

39ms

HTTPS

30ms

TLSA

82ms

SOA

27ms

MTA-STS

51ms

DNSSEC

9062ms

SRV

45ms

Total

9525ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-07 23:40:34	404ms	2 NS 1 A 2 MX	🔒 Secure
2026-10-01 06:11:40	473ms	2 NS 1 A 2 MX	🔒 Secure
2026-09-26 22:29:05	520ms	2 NS 1 A 2 MX	🔒 Secure
2026-08-26 22:12:53	620ms	2 NS 1 A 2 MX	🔒 Secure
2026-07-03 01:45:34 shown	9525ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-28 01:45:22	574ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-16 12:59:32	1285ms	2 NS 1 A 2 MX	🔒 Secure