dsau.dk

📜 Historical scan 2026-09-26 12:41:44 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

dsau.dk is a .dk domain served by 2 nameservers (ns3.au.dk, ns4.au.dk). It was registered on 29 May 2010 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.199.108.153 is hosted by Fastly, Inc. (AS54113) in United States. Mail is handled by dsau-dk.p-v1.mx.microsoft. 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 57ms

Nameserver	IP addresses	PTR	ASN / ISP
ns3.au.dk	20.73.178.34	ns3.au.dk	AS8075 Microsoft Corporation
ns4.au.dk	185.45.20.154	ns4.au.dk	AS62138 Aarhus Universitet

🌍 A Records#

4 records 41ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.199.108.153	300s	cdn-185-199-108-153.github.com	AS54113	Fastly, Inc.	185.199.108.0/22	🇺🇸 United States	—
185.199.109.153	300s	cdn-185-199-109-153.github.com	AS54113	Fastly, Inc.	185.199.108.0/22	🇺🇸 United States	—
185.199.110.153	300s	cdn-185-199-110-153.github.com	AS54113	Fastly, Inc.	185.199.108.0/22	🇺🇸 United States	—
185.199.111.153	300s	cdn-185-199-111-153.github.com	AS54113	Fastly, Inc.	185.199.108.0/22	🇺🇸 United States	—

📧 MX Records#

1 records 54ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	dsau-dk.p-v1.mx.microsoft	2a01:111:f403:c967::8 2a01:111:f403:ca09::28 2a01:111:f403:ca21::a 2a01:111:f403:ca48::c 52.101.103.140 52.101.181.153 52.101.68.39 52.101.91.162	mail-cpjpr04cu00100.inbound.protection.outlook.com mail-am6pr02cu00300.inbound.protection.outlook.com mail-maspr04cu00102.inbound.protection.outlook.com mail-miypr03cu00104.inbound.protection.outlook.com mail-miypr02cu00204.inbound.protection.outlook.com mail-wa4pr04cu00101.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-matpr04cu00302.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	datalogiskstudenterforeningaarhusuni.github.io → 185.199.109.153
🔶 Autoconfig	datalogiskstudenterforeningaarhusuni.github.io → 185.199.110.153

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 211ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records#

3 records 237ms

TXT Record
6DOJtBJ5m5RHh0qZuHHSQjDuljhvAndNQWXly1jBNe4d1I3bnDrrWE5perF2l1ui3XDXwoSgYvNQPmwsRlvaew==
MS=ms86750088
v=spf1 include:spf.au.dk -all

✉️ SPF#

Policy	Record (dsau.dk)
-all (hard fail)	v=spf1 include:spf.au.dk -all

📨 DMARC#

Policy	Record (_dmarc.dsau.dk)
p=reject	v=DMARC1;p=reject;pct=100;rua=mailto:ced1e70d2c70635@rep.dmarcanalyzer.com;ruf=mailto:ced1e70d2c70635@for.dmarcanalyzer.com;aspf=r;

📬 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 13:13:33

www CNAME	datalogiskstudenterforeningaarhusuni.github.io (all on github.io) → 185.199.108.153 185.199.109.153 185.199.110.153 185.199.111.153 2606:50c0:8000::153 2606:50c0:8001::153 2606:50c0:8002::153 2606:50c0:8003::153 (AS54113)
www vs bare domain	Same network dsau.dk: 185.199.108.153 185.199.109.153 185.199.110.153 185.199.111.153 (AS54113) www.dsau.dk: 185.199.108.153 185.199.109.153 185.199.110.153 185.199.111.153 (AS54113)
Wildcard	Yes: any name under the zone resolves

🔎 SPF check#

zone-wide SPF report

DNS lookups: 6/10 · policy: -all

No problems found

🔏 ACME Challenge#

Type	Name	Value
CNAME	_acme-challenge.dsau.dk	datalogiskstudenterforeningaarhusuni.github.io

🔗 TLSA / DANE#

4 records 90ms

Service / Owner	Type	Cert association
SMTP _25._tcp.dsau-dk.p-v1.mx.microsoft	DANE-TA · Full cert · SHA-256	EA7A25255D111FC3CE4CB8FABE3ADF9C…
SMTP _25._tcp.dsau-dk.p-v1.mx.microsoft	DANE-EE · SPKI · SHA-256	54883CC5F1849331E6BF5002C3129D20…
SMTP _25._tcp.dsau-dk.p-v1.mx.microsoft	DANE-EE · SPKI · SHA-256	803F7447CC75B208DBCA042346F5D8DF…
SMTP _25._tcp.dsau-dk.p-v1.mx.microsoft	DANE-TA · Full cert · SHA-256	C1AD7778796D20BCA65C889A26550211…

🔐 DNSSEC#

84ms

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	45
Primary NS (MNAME)	infobloxgm3.au.dk
Responsible (RNAME)	auit-dns@au.dk
Refresh	10800s
Retry	3600s
Expire	2419200s
Minimum (neg-cache TTL)	900s

📋 Registration#

WHOIS fetched 2026-10-13 19:15:06

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2010-05-29
Expires	2027-05-31 (224d)

🔗 Same registrant#

0 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

No other domain with this registrant in our WHOIS data yet

📋 WHOIS#

⏱️ Lookup Timing#

57ms

41ms

54ms

AAAA

45ms

TXT

237ms

CAA

48ms

HTTPS

50ms

TLSA

90ms

SOA

0ms

MTA-STS

214ms

DNSSEC

84ms

SRV

211ms

Total

863ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 13:13:33	1204ms	2 NS 4 A 1 MX	🔓 Insecure
2026-10-08 11:09:15	620ms	2 NS 4 A 1 MX	🔓 Insecure
2026-09-26 12:41:44 shown	863ms	2 NS 4 A 1 MX	🔓 Insecure
2026-09-20 02:15:50	2936ms	2 NS 4 A 1 MX	🔓 Insecure
2026-08-25 14:17:34	884ms	2 NS 4 A 1 MX	🔓 Insecure
2026-06-22 14:39:38	944ms	2 NS 4 A 1 MX	🔓 Insecure
2026-06-20 20:25:31	1172ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-17 04:45:47	947ms	2 NS 4 A 1 MX	🔓 Insecure