au2syn.dk

📜 Historical scan 2026-06-16 13:51:42 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

au2syn.dk is a .dk domain served by 3 nameservers (ns5.chosting.dk, ns6.chosting.dk, ns7.chosting.dk). It was registered on 16 March 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by au2syn.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 212ms

Nameserver	IP addresses	PTR	ASN / ISP
ns5.chosting.dk	—	—	—
ns6.chosting.dk	—	—	—
ns7.chosting.dk	—	—	—

🌍 A Records#

1 records 159ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
178.20.216.245	—	reseller1.chosting.dk	AS21060	—	—	—	—

📧 MX Records#

1 records 216ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	—	au2syn.dk	178.20.216.245	reseller1.chosting.dk	AS21060 Atea A/S

🔷 AAAA Records (IPv6)#

1 records 195ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a01:7cc0:101:ffff::1:9	—	—	AS21060	Atea A/S	2a01:7cc0:100:0:0:0:0:0/40	🇩🇰 Denmark	—

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 603ms

TXT Record
v=spf1 ip4:178.20.216.245 include:spf.chosting.dk +a +mx ~all

✉️ SPF#

Policy	Record (au2syn.dk)
~all (soft fail)	v=spf1 ip4:178.20.216.245 include:spf.chosting.dk +a +mx ~all

📨 DMARC#

Policy	Record (_dmarc.au2syn.dk)
p=none (monitor only)	v=DMARC1; p=none;

📬 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 2026-10-08 07:54:59

www CNAME	au2syn.dk (all on au2syn.dk) → 178.20.216.245 2a01:7cc0:101:ffff::1:9 (AS21060)
www vs bare domain	Same network au2syn.dk: 178.20.216.245 2a01:7cc0:101:ffff::1:9 (AS21060) www.au2syn.dk: 178.20.216.245 2a01:7cc0:101:ffff::1:9 (AS21060)
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: 5/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

451ms

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

🏷️ SOA#

287ms

Field	Value
Serial	2026052001
Primary NS (MNAME)	ns5.chosting.dk
Responsible (RNAME)	12ga@hotmail.dk
Refresh	3600s
Retry	1800s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration#

WHOIS fetched 2026-10-10 01:01:03

Field	Value
Registrar	ONE.COM A/S
Registered	2025-03-16
Expires	2027-03-15 (149d)

📋 WHOIS#

⏱️ Lookup Timing#

212ms

159ms

216ms

AAAA

195ms

TXT

603ms

CAA

194ms

HTTPS

317ms

TLSA

250ms

SOA

287ms

MTA-STS

297ms

DNSSEC

451ms

SRV

0ms

Total

1854ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-08 07:54:59	593ms	3 NS 1 A 1 MX	🔓 Insecure
2026-10-02 14:50:13	684ms	3 NS 1 A 1 MX	🔓 Insecure
2026-09-20 23:12:52	2480ms	3 NS 1 A 1 MX	🔓 Insecure
2026-08-26 11:57:02	9808ms	3 NS 1 A 1 MX	🔓 Insecure
2026-07-21 00:15:13	10433ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-19 13:04:42	718ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-16 13:51:42 shown	1854ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-16 13:49:11	2537ms	3 NS 1 A 1 MX	🔓 Insecure