dcacademy.dk DNS records

🖥️ Nameservers2 records 36ms

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 Records1 records 32ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.45.20.48	900s	—	AS62138	Aarhus Universitet	185.45.20.0/22	🇩🇰 Denmark	Aarhus

📧 MX Records

📧

No MX records found

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 105ms

TXT Record
v=spf1 -all

✉️ SPF

Policy	Record (dcacademy.dk)
-all (hard fail)	v=spf1 -all

📨 DMARC

Policy	Record (_dmarc.dcacademy.dk)
p=reject	v=DMARC1;p=reject;pct=100;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

🔗 TLSA / DANE

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

🔐 DNSSEC109ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA0ms

Field	Value
Serial	3459
Primary NS (MNAME)	infobloxgm3.au.dk
Responsible (RNAME)	auit-dns@au.dk
Refresh	10800s
Retry	1080s
Expire	2419200s
Minimum (neg-cache TTL)	900s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

36ms

A

32ms

MX

32ms

AAAA

32ms

TXT

105ms

CAA

38ms

HTTPS

38ms

TLSA

102ms

SOA

0ms

MTA-STS

39ms

DNSSEC

109ms

SRV

39ms

Total

424ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-31 15:01:46	424ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-30 14:31:40	658ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-29 13:47:09	870ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-28 08:33:37	591ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-27 08:25:16	946ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-26 13:39:24	740ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-25 01:20:34	677ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-24 01:01:09	608ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-22 23:20:50	4757ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-21 23:15:04	3683ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-20 23:07:34	8786ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-19 22:34:55	2650ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-18 21:47:19	3133ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-17 15:20:22	866ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-16 14:43:17	664ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-15 09:11:00	956ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-13 09:52:19	559ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-11 22:28:42	1769ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-10 16:16:52	792ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-08 11:08:41	899ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-01 20:07:49	679ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-07-29 00:13:00	15429ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-07-27 18:57:41	548ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-07-26 18:31:47	768ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-07-25 18:02:27	799ms	2 NS 1 A 0 MX	🔒 Secure	View