3-a.dk

📜 Historical scan 2026-08-05 22:07:13 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

3-a.dk is a .dk domain served by 3 nameservers (ns1.azehosting.net, ns2.azehosting.net, ns3.azehosting.net). It was registered on 9 January 2007 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.4.208.59 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by 3a-dk0c.mail.protection.outlook.com. The zone is not DNSSEC-signed, has no DMARC policy and is reachable over IPv6. 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 49ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.azehosting.net	2a01:4f8:13b:3146::1 94.130.138.185	— ns1.azehosting.net	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH
ns2.azehosting.net	2a01:4f8:c17:5f0a::2 88.99.15.5	ns2.azehosting.net ns2.azehosting.net	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH
ns3.azehosting.net	2a01:4f8:c17:6a6e::2 88.99.39.181	ns3.azehosting.net ns3.azehosting.net	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH

🌍 A Records#

1 records 49ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.4.208.59	3600s	pro02.azehosting.net	AS24940	Hetzner Online GmbH	46.4.0.0/16	🇩🇪 Germany	Falkenstein

📧 MX Records#

1 records 71ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	3a-dk0c.mail.protection.outlook.com	2a01:111:f403:ca04::4 2a01:111:f403:ca04::a 2a01:111:f403:ca04::d 2a01:111:f403:ca09::1 52.101.68.16 52.101.68.5 52.101.73.2 52.101.73.26	mail-db4pr02cu00204.inbound.protection.outlook.com mail-du0pr03cu00102.inbound.protection.outlook.com mail-db6pr03cu00105.inbound.protection.outlook.com mail-as9pr07cu00301.inbound.protection.outlook.com mail-db4pr02cu00400.inbound.protection.outlook.com mail-du2pr03cu00105.inbound.protection.outlook.com mail-as9pr07cu00302.inbound.protection.outlook.com mail-as9pr05cu01302.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 → 40.104.116.8

🔷 AAAA Records (IPv6)#

1 records 66ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a01:4f8:2b03:11b0::2	14400s	pro02.azehosting.net	AS24940	Hetzner Online GmbH	2a01:4f8:0:0:0:0:0:0/31	🇩🇪 Germany	Falkenstein

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 321ms

TXT Record
v=spf1 ip4:46.4.208.59 include:spf.azehosting.net +a +mx +ip4:94.231.104.194 +ip4:116.202.245.110 +ip4:94.130.48.84 +ip4:195.201.83.226 +include:spf.protection.outlook.com +include:relay.mailchannels.net -all

✉️ SPF#

Policy	Record (3-a.dk)
-all (hard fail)	v=spf1 ip4:46.4.208.59 include:spf.azehosting.net +a +mx +ip4:94.231.104.194 +ip4:116.202.245.110 +ip4:94.130.48.84 +ip4:195.201.83.226 +include:spf.protection.outlook.com +include:relay.mailchannels.net -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 2026-10-16 01:34:46

www CNAME	3-a.dk (all on 3-a.dk) → 46.4.208.59 2a01:4f8:2b03:11b0::2 (AS24940)
www vs bare domain	Same network 3-a.dk: 46.4.208.59 2a01:4f8:2b03:11b0::2 (AS24940) www.3-a.dk: 46.4.208.59 2a01:4f8:2b03:11b0::2 (AS24940)
Wildcard	No

✍️ DKIM keys#

1 found

Selector	CNAME	Key
default	—	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: 6/10 · policy: -all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.3-a.dk	5b2-myyLfKbNkqmstuefKBJrrEnQb7lyX-3HdiThJ0o

🔗 TLSA / DANE#

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

🔐 DNSSEC#

105ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026073101
Primary NS (MNAME)	ns1.azehosting.net
Responsible (RNAME)	server-admin@azehosting.net
Refresh	3600s
Retry	1800s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration#

WHOIS fetched 2026-10-15 13:35:40

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2007-01-09
Expires	2029-01-31 (837d)

🔗 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#

49ms

71ms

AAAA

66ms

TXT

321ms

CAA

45ms

HTTPS

83ms

TLSA

734ms

SOA

0ms

MTA-STS

93ms

DNSSEC

105ms

SRV

92ms

Total

1989ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-01 01:24:20	2519ms	3 NS 1 A 1 MX	🔓 Insecure
2026-08-24 23:31:19	2840ms	3 NS 1 A 1 MX	🔓 Insecure
2026-08-05 22:07:13 shown	1989ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-20 01:35:23	2367ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-16 12:42:48	741ms	3 NS 1 A 1 MX	🔓 Insecure