au-dev.dk

📜 Historical scan 2026-06-16 13:52:46 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

au-dev.dk is a .dk domain served by 3 nameservers (ns1.first-ns.de, robotns2.second-ns.de, robotns3.second-ns.com). It was registered on 25 April 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mail.au-dev.dk. The zone is not DNSSEC-signed, publishes a 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 250ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.first-ns.de	—	—	—
robotns2.second-ns.de	—	—	—
robotns3.second-ns.com	—	—	—

🌍 A Records#

1 records 166ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
144.76.9.209	—	static.209.9.76.144.clients.your-server.de	AS24940	—	—	—	Falkenstein

📧 MX Records#

1 records 209ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	mail.au-dev.dk	144.76.9.209	static.209.9.76.144.clients.your-server.de	AS24940 Hetzner Online GmbH

🔷 AAAA Records (IPv6)#

1 records 212ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a01:4f8:190:84d1::2	—	—	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 396ms

TXT Record
v=spf1 +a +mx +a:dev.auh-server.dk -all

✉️ SPF#

Policy	Record (au-dev.dk)
-all (hard fail)	v=spf1 +a +mx +a:dev.auh-server.dk -all

📨 DMARC#

Policy	Record (_dmarc.au-dev.dk)
p=quarantine	v=DMARC1; p=quarantine; adkim=s; aspf=s

📬 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 2026-10-14 11:26:45

www CNAME	au-dev.dk (all on au-dev.dk) → 144.76.9.209 2a01:4f8:190:84d1::2 (AS24940)
www vs bare domain	Same network au-dev.dk: 144.76.9.209 2a01:4f8:190:84d1::2 (AS24940) www.au-dev.dk: 144.76.9.209 2a01:4f8:190:84d1::2 (AS24940)
Wildcard	No

✍️ DKIM keys#

1 found

Selector	CNAME	Key
default	—	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: 3/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

374ms

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

🏷️ SOA#

212ms

Field	Value
Serial	2026060304
Primary NS (MNAME)	ns1.first-ns.de
Responsible (RNAME)	sw@ece.au.dk
Refresh	10800s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	10800s

📋 Registration#

WHOIS fetched 2026-10-16 12:57:34

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2023-04-25
Expires	2027-04-24 (188d)

🔗 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#

250ms

166ms

209ms

AAAA

212ms

TXT

396ms

CAA

183ms

HTTPS

179ms

TLSA

186ms

SOA

212ms

MTA-STS

211ms

DNSSEC

374ms

SRV

0ms

Total

1844ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-23 19:58:19	1547ms	3 NS 1 A 1 MX	🔓 Insecure
2026-09-15 21:51:12	2251ms	3 NS 1 A 1 MX	🔓 Insecure
2026-08-28 03:04:50	1121ms	3 NS 1 A 1 MX	🔓 Insecure
2026-07-17 21:22:27	1135ms	3 NS 1 A 1 MX	🔓 Insecure
2026-07-01 13:20:59	977ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-16 13:52:46 shown	1844ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-16 13:49:09	634ms	3 NS 1 A 1 MX	🔓 Insecure