tasc4.dk DNS records

🖥️ Nameservers2 records 109ms

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 112ms

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 246ms

TXT Record
v=spf1 -all

✉️ SPF

Policy	Record (tasc4.dk)
-all (hard fail)	v=spf1 -all

📨 DMARC

Policy	Record (_dmarc.tasc4.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)

🔐 DNSSEC213ms

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

🏷️ SOA0ms

Field	Value
Serial	3968
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

109ms

A

112ms

MX

114ms

AAAA

106ms

TXT

246ms

CAA

117ms

HTTPS

109ms

TLSA

128ms

SOA

0ms

MTA-STS

130ms

DNSSEC

213ms

SRV

136ms

Total

1186ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-03 13:01:50	1186ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-31 15:40:58	1872ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-30 15:02:56	485ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-28 08:04:25	511ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-27 08:00:32	448ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-26 07:56:00	1476ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-24 18:35:17	623ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-23 18:27:27	1083ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-22 15:30:41	9466ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-21 15:18:40	1063ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-20 15:13:17	562ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-19 04:25:04	2644ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-17 23:56:40	712ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-16 17:45:56	636ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-14 20:15:10	2713ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-13 15:52:36	8590ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-12 05:03:41	1428ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-09 16:40:33	8551ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-08 14:37:52	598ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-06 00:49:08	569ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-07-30 21:12:11	538ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-07-27 09:24:55	9421ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-07-26 08:59:07	8625ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-07-25 08:28:59	738ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-07-24 08:25:25	9391ms	2 NS 1 A 0 MX	🔒 Secure	View