ferskvandsbiolog.dk DNS records

🖥️ Nameservers2 records 49ms

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

🌍

No A records found

📧 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 111ms

TXT Record
v=spf1 include:spf.au.dk -all

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.ferskvandsbiolog.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

🔗 TLSA / DANE

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

🔐 DNSSEC107ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	resolution failed: ncache nxrrset

🏷️ SOA0ms

Field	Value
Serial	2011083596
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

49ms

A

45ms

MX

40ms

AAAA

35ms

TXT

111ms

CAA

30ms

HTTPS

36ms

TLSA

13ms

SOA

0ms

MTA-STS

48ms

DNSSEC

107ms

SRV

46ms

Total

344ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-30 23:53:30	344ms	2 NS 0 A 0 MX	🔒 Secure	View
2026-08-29 13:32:50	1203ms	2 NS 0 A 0 MX	🔒 Secure	View
2026-08-28 01:44:50	349ms	2 NS 0 A 0 MX	🔒 Secure	View
2026-08-27 01:10:00	335ms	2 NS 0 A 0 MX	🔒 Secure	View
2026-08-25 20:44:04	674ms	2 NS 0 A 0 MX	🔒 Secure	View
2026-08-24 19:47:05	608ms	2 NS 0 A 0 MX	🔒 Secure	View
2026-08-23 19:38:36	1473ms	2 NS 0 A 0 MX	🔒 Secure	View
2026-08-22 17:29:04	2182ms	2 NS 0 A 0 MX	🔒 Secure	View
2026-08-21 17:16:28	904ms	2 NS 0 A 0 MX	🔒 Secure	View
2026-08-20 17:06:54	3759ms	2 NS 0 A 0 MX	🔒 Secure	View
2026-08-19 16:26:20	9744ms	2 NS 0 A 0 MX	🔒 Secure	View
2026-08-18 16:23:51	1263ms	2 NS 0 A 0 MX	🔒 Secure	View
2026-08-17 08:15:50	8629ms	2 NS 0 A 0 MX	🔒 Secure	View
2026-08-15 17:33:30	1157ms	2 NS 0 A 0 MX	🔒 Secure	View
2026-08-14 11:23:36	1738ms	2 NS 0 A 0 MX	🔒 Secure	View
2026-08-13 05:46:13	9440ms	2 NS 0 A 0 MX	🔒 Secure	View
2026-08-11 20:04:35	618ms	2 NS 0 A 0 MX	🔒 Secure	View
2026-08-10 10:05:06	1054ms	2 NS 0 A 0 MX	🔒 Secure	View
2026-08-03 09:59:06	615ms	2 NS 0 A 0 MX	🔒 Secure	View
2026-07-30 19:19:14	676ms	2 NS 0 A 0 MX	🔒 Secure	View
2026-07-29 01:42:13	11417ms	2 NS 0 A 0 MX	🔒 Secure	View
2026-07-27 13:34:30	733ms	2 NS 0 A 0 MX	🔒 Secure	View
2026-07-26 13:31:48	2430ms	2 NS 0 A 0 MX	🔒 Secure	View
2026-07-25 12:52:47	523ms	2 NS 0 A 0 MX	🔒 Secure	View
2026-07-24 12:33:50	621ms	2 NS 0 A 0 MX	🔒 Secure	View