aarhus-ku.dk

📜 Historical scan 2026-08-05 23:31:41 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

aarhus-ku.dk is a .dk domain served by 2 nameservers (ns3.nordicway.dk, ns4.nordicway.dk). It was registered on 4 April 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 49.12.171.172 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by ASPMX.L.GOOGLE.COM, ALT1.ASPMX.L.GOOGLE.COM and 3 more. 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#

2 records 396ms

Nameserver	IP addresses	PTR	ASN / ISP
ns3.nordicway.dk	2a01:4f8:c2c:d3c0::1 78.47.45.64	ns3.nordicway.dk ns3.nordicway.dk	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH
ns4.nordicway.dk	2a01:4f8:c010:24a2::1 78.47.56.84	ns4.nordicway.dk ns4.nordicway.dk	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH

🌍 A Records#

1 records 162ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
49.12.171.172	3600s	cp12.nordicway.dk	AS24940	Hetzner Online GmbH	49.12.0.0/15	🇩🇪 Germany	Falkenstein

📧 MX Records#

5 records 130ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	ASPMX.L.GOOGLE.COM	142.250.147.27 2a00:1450:4025:c03::1b	rd-in-f27.1e100.net rc-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	3600s	ALT1.ASPMX.L.GOOGLE.COM	192.178.211.26 2404:6800:4000:1025::1b	lcbomp-in-f26.1e100.net lcbomp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	3600s	ALT2.ASPMX.L.GOOGLE.COM	192.178.158.26 2404:6800:4013:813::1a	lcdels-in-f26.1e100.net lcdels-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	3600s	ALT3.ASPMX.L.GOOGLE.COM	173.194.41.26 173.194.41.26 2404:6800:4001:c01::1a	mad01s14-in-f26.1e100.net yukulwh-in-f26.1e100.net yukulwh-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
10	3600s	ALT4.ASPMX.L.GOOGLE.COM	172.253.158.27 2404:6800:4003:c26::1b	so-in-f27.1e100.net so-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 528ms

TXT Record
v=spf1 +a +mx +ip4:148.251.244.167 include:relay.mailchannels.net include:_spf.google.com ~all
v=spf1 include:_spf.google.com ~all

✉️ SPF#

⚠ Multiple SPF records — RFC 7208 §4.5 violation (receivers must treat this as permerror)

Policy	Record (aarhus-ku.dk)
~all (soft fail)	v=spf1 +a +mx +ip4:148.251.244.167 include:relay.mailchannels.net include:_spf.google.com ~all
~all (soft fail)	v=spf1 include:_spf.google.com ~all

📨 DMARC#

Policy	Record (_dmarc.aarhus-ku.dk)
p=none (monitor only)	v=DMARC1;p=none;sp=none;adkim=r;aspf=r;pct=100;fo=0;rf=afrf;ri=86400

📬 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 2026-10-10 08:00:51

www CNAME	aarhus-ku.dk (all on aarhus-ku.dk) → 49.12.171.172 (AS24940)
www vs bare domain	Same network aarhus-ku.dk: 49.12.171.172 (AS24940) www.aarhus-ku.dk: 49.12.171.172 (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: 4/10 · policy: ~all

error 2 SPF records: receivers must treat that as a permanent error (RFC 7208 §4.5)

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.aarhus-ku.dk	HrQKG2kyeU9NhI6KjpczIomT95DhFF6z7JAkoBKgeFU

🔗 TLSA / DANE#

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

🔐 DNSSEC#

217ms

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	2026072901
Primary NS (MNAME)	ns3.nordicway.dk
Responsible (RNAME)	server@nordicway.dk
Refresh	3600s
Retry	1800s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration#

WHOIS fetched 2026-10-11 03:26:28

Field	Value
Registrar	nordicway ApS
Registered	2025-04-04
Expires	2027-04-03 (166d)

📋 WHOIS#

⏱️ Lookup Timing#

396ms

162ms

130ms

AAAA

172ms

TXT

528ms

CAA

148ms

HTTPS

153ms

TLSA

110ms

SOA

0ms

MTA-STS

174ms

DNSSEC

217ms

SRV

354ms

Total

1602ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-29 04:17:08	1021ms	2 NS 1 A 5 MX	🔓 Insecure
2026-09-24 01:59:02	9773ms	2 NS 1 A 5 MX	🔓 Insecure
2026-09-21 18:27:59	1113ms	2 NS 1 A 5 MX	🔓 Insecure
2026-09-12 13:39:57	2577ms	2 NS 1 A 5 MX	🔓 Insecure
2026-08-26 17:36:43	9773ms	2 NS 1 A 5 MX	🔓 Insecure
2026-08-05 23:31:41 shown	1602ms	2 NS 1 A 5 MX	🔓 Insecure
2026-06-25 09:12:24	973ms	2 NS 1 A 5 MX	🔓 Insecure
2026-06-25 06:52:37	839ms	2 NS 1 A 5 MX	🔓 Insecure
2026-06-19 19:08:56	729ms	2 NS 1 A 5 MX	🔓 Insecure
2026-06-16 12:51:47	1908ms	2 NS 1 A 5 MX	🔓 Insecure