poseidon-nordic.dk DNS records

🖥️ Nameservers2 records 31ms

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 46ms

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 126ms

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

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.poseidon-nordic.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)

🔐 DNSSEC115ms

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

🏷️ SOA0ms

Field	Value
Serial	2009106953
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

31ms

A

46ms

MX

44ms

AAAA

38ms

TXT

126ms

CAA

29ms

HTTPS

43ms

TLSA

38ms

SOA

0ms

MTA-STS

50ms

DNSSEC

115ms

SRV

46ms

Total

475ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-31 01:24:56	475ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-29 23:44:40	656ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-28 22:23:22	1574ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-27 18:50:43	466ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-26 15:58:48	682ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-25 10:17:37	615ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-24 10:06:58	8731ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-23 08:38:17	646ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-22 08:07:53	8735ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-21 08:01:35	2363ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-20 07:33:26	3489ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-19 06:27:37	817ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-18 01:52:01	698ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-16 23:22:23	2395ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-14 14:33:12	2060ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-12 12:16:08	2028ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-11 00:16:00	8586ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-09 16:51:01	1875ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-08 12:45:27	16581ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-07-30 14:19:24	720ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-07-29 12:01:58	11419ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-07-27 18:03:53	787ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-07-26 17:58:29	8696ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-07-25 17:31:12	8462ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-07-24 16:59:00	774ms	2 NS 1 A 0 MX	🔒 Secure	View