aarhusnet.dk

📜 Historical scan 2026-09-05 18:46:33 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

aarhusnet.dk is a .dk domain served by 2 nameservers (leif.ns.cloudflare.com, michelle.ns.cloudflare.com). It was registered on 27 March 2020 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.38.196 is hosted by Cloudflare, Inc. (AS13335). The zone is not DNSSEC-signed, has no 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#

2 records 57ms

Nameserver	IP addresses	PTR	ASN / ISP
leif.ns.cloudflare.com	108.162.195.222 162.159.44.222 172.64.35.222 2606:4700:58::a29f:2cde 2803:f800:50::6ca2:c3de 2a06:98c1:50::ac40:23de	leif.ns.cloudflare.com leif.ns.cloudflare.com leif.ns.cloudflare.com leif.ns.cloudflare.com leif.ns.cloudflare.com leif.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
michelle.ns.cloudflare.com	108.162.192.201 172.64.32.201 173.245.58.201 2606:4700:50::adf5:3ac9 2803:f800:50::6ca2:c0c9 2a06:98c1:50::ac40:20c9	michelle.ns.cloudflare.com michelle.ns.cloudflare.com michelle.ns.cloudflare.com michelle.ns.cloudflare.com michelle.ns.cloudflare.com michelle.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

2 records 50ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.38.196	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.138.31	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

📧

No MX records found

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	104.21.38.196
🔶 Autoconfig	104.21.38.196

🔷 AAAA Records (IPv6)#

2 records 53ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3034::6815:26c4	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::ac43:8a1f	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 66ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.38.196,172.67.138.31 ech=AEX+DQBBJAAgACD85R02NA6Jq0XcH/MGNYLbyBFf94GbegL4A6BRnzfWVQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::6815:26c4,2606:4700:3036::ac43:8a1f

📝 TXT Records#

📝

No TXT records found

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 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 21:03:05

www	104.21.38.196 172.67.138.31 2606:4700:3034::6815:26c4 2606:4700:3036::ac43:8a1f (AS13335) (address records, no CNAME)
www vs bare domain	Same network aarhusnet.dk: 104.21.38.196 172.67.138.31 2606:4700:3034::6815:26c4 2606:4700:3036::ac43:8a1f (AS13335) www.aarhusnet.dk: 104.21.38.196 172.67.138.31 2606:4700:3034::6815:26c4 2606:4700:3036::ac43:8a1f (AS13335)
Wildcard	Yes: any name under the zone resolves

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.aarhusnet.dk	YJ0nS8MslILKb4C7ckPDAEo5g8WrcWqD4DxWc28geQs
TXT	_acme-challenge.aarhusnet.dk	jDD4rqMvVKjNBspCauvxgVYESIt-jXyy_prr44MDqRM

🔗 TLSA / DANE#

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

🔐 DNSSEC#

130ms

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	2413952850
Primary NS (MNAME)	leif.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-08 13:44:48

Field	Value
Registrar	CURANET A/S
Registered	2020-03-27
Expires	2028-03-31 (529d)

📋 WHOIS#

⏱️ Lookup Timing#

57ms

50ms

68ms

AAAA

53ms

TXT

190ms

CAA

45ms

HTTPS

66ms

TLSA

217ms

SOA

0ms

MTA-STS

82ms

DNSSEC

130ms

SRV

85ms

Total

836ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-04 05:36:05	506ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-24 00:44:45	739ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-13 23:50:56	9954ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-12 19:51:39	1373ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-05 18:46:33 shown	836ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-28 01:51:11	633ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-26 18:15:17	609ms	2 NS 2 A 0 MX	🔓 Insecure
2026-07-06 21:03:17	914ms	2 NS 2 A 0 MX	🔓 Insecure
2026-07-04 15:12:21	2200ms	2 NS 1 A 0 MX	🔓 Insecure
2026-07-03 12:04:32	700ms	2 NS 1 A 0 MX	🔓 Insecure
2026-07-01 22:53:58	495ms	2 NS 1 A 0 MX	🔓 Insecure
2026-06-28 22:02:37	667ms	2 NS 1 A 4 MX	🔒 Secure
2026-06-21 00:37:19	593ms	2 NS 1 A 4 MX	🔒 Secure
2026-06-16 12:36:19	887ms	2 NS 1 A 4 MX	🔒 Secure