aalborgopstrengning.dk

📜 Historical scan 2026-06-16 13:16:20 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

aalborgopstrengning.dk is a .dk domain served by 3 nameservers (ns5.chosting.dk, ns6.chosting.dk, ns7.chosting.dk). It was registered on 20 February 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 178.20.216.20 is hosted by Atea A/S (AS21060) in Denmark. Mail is handled by aalborgopstrengning.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 38ms

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

🌍 A Records#

1 records 36ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
178.20.216.20	—	server11.chosting.dk	AS21060	Atea A/S	178.20.216.0/23	🇩🇰 Denmark	—

📧 MX Records#

1 records 39ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	—	aalborgopstrengning.dk	178.20.216.20	server11.chosting.dk	AS21060 Atea A/S

🔷 AAAA Records (IPv6)#

1 records 35ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a01:7cc0:101:ffff::1:8	—	—	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 255ms

TXT Record
v=spf1 ip4:178.20.216.20 include:spf.chosting.dk +a +mx ~all

✉️ SPF#

Policy	Record (aalborgopstrengning.dk)
~all (soft fail)	v=spf1 ip4:178.20.216.20 include:spf.chosting.dk +a +mx ~all

📨 DMARC#

Policy	Record (_dmarc.aalborgopstrengning.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 2026-10-09 05:13:50

www CNAME	aalborgopstrengning.dk (all on aalborgopstrengning.dk) → 178.20.216.20 2a01:7cc0:101:ffff::1:8 (AS21060)
www vs bare domain	Same network aalborgopstrengning.dk: 178.20.216.20 2a01:7cc0:101:ffff::1:8 (AS21060) www.aalborgopstrengning.dk: 178.20.216.20 2a01:7cc0:101:ffff::1:8 (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#

134ms

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

🏷️ SOA#

32ms

Field	Value
Serial	2026060201
Primary NS (MNAME)	ns5.chosting.dk
Responsible (RNAME)	logs@chosting.dk
Refresh	3600s
Retry	1800s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration#

WHOIS fetched 2026-10-02 20:36:29

Field	Value
Registrar	FIONIA IT ApS
Registered	2023-02-20
Expires	2027-02-19 (124d)

📋 WHOIS#

⏱️ Lookup Timing#

38ms

36ms

39ms

AAAA

35ms

TXT

255ms

CAA

53ms

HTTPS

34ms

TLSA

99ms

SOA

32ms

MTA-STS

67ms

DNSSEC

134ms

SRV

0ms

Total

730ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-02 20:20:41	2536ms	3 NS 1 A 1 MX	🔓 Insecure
2026-09-05 02:29:22	777ms	3 NS 1 A 1 MX	🔓 Insecure
2026-08-03 08:04:40	974ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-24 17:15:07	689ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-22 03:09:38	1133ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-16 13:16:20 shown	730ms	3 NS 1 A 1 MX	🔓 Insecure