aarhusit.dk

📜 Historical scan 2026-06-16 12:58:29 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

aarhusit.dk is a .dk domain served by 3 nameservers (ns1.site4now.net, ns2.site4now.net, ns3.site4now.net). It was registered on 10 May 2004 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 45.58.159.50 is hosted by Sharktech (AS46844) in The Netherlands. Mail is handled by igw18.site4now.net. The zone is not DNSSEC-signed, publishes a 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#

3 records 248ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.site4now.net	—	—	—
ns2.site4now.net	—	—	—
ns3.site4now.net	—	—	—

🌍 A Records#

1 records 179ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
45.58.159.50	—	customer.sharktech.net	AS46844	Sharktech	45.58.128.0/18	🇳🇱 The Netherlands	—

📧 MX Records#

1 records 256ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	igw18.site4now.net	208.98.34.68	Mail5018.site4now.net	AS46844 Sharktech

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 420ms

TXT Record
v=spf1 a mx include:_spf.site4now.net -all

✉️ SPF#

Policy	Record (aarhusit.dk)
-all (hard fail)	v=spf1 a mx include:_spf.site4now.net -all

📨 DMARC#

Policy	Record (_dmarc.aarhusit.dk)
p=reject	v=DMARC1;p=reject;pct=100;rua=mailto:postmaster@aarhusit.dk

📬 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 05:14:59

www	45.58.159.50 (AS46844) (address records, no CNAME)
www vs bare domain	Same network aarhusit.dk: 45.58.159.50 (AS46844) www.aarhusit.dk: 45.58.159.50 (AS46844)
Wildcard	Yes: any name under the zone resolves

🔎 SPF check#

zone-wide SPF report

DNS lookups: 4/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

322ms

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

🏷️ SOA#

198ms

Field	Value
Serial	2024022015
Primary NS (MNAME)	ns1.site4now.net
Responsible (RNAME)	hostmaster@smarterasp.net
Refresh	10800s
Retry	3600s
Expire	777600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-11 06:26:41

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2004-05-10
Expires	2027-07-31 (287d)

📋 WHOIS#

⏱️ Lookup Timing#

248ms

179ms

256ms

AAAA

197ms

TXT

420ms

CAA

191ms

HTTPS

175ms

TLSA

151ms

SOA

198ms

MTA-STS

271ms

DNSSEC

322ms

SRV

0ms

Total

3613ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-07-01 23:46:32	1021ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-16 12:58:29 shown	3613ms	3 NS 1 A 1 MX	🔓 Insecure