fosfor-forum.dk DNS records

🖥️ Nameservers2 records 37ms

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 Records1 records 39ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	900s	agrsci.dk	—	—	—

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 132ms

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

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.fosfor-forum.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)

🔐 DNSSEC117ms

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	2005034461
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

37ms

A

28ms

MX

39ms

AAAA

38ms

TXT

132ms

CAA

27ms

HTTPS

33ms

TLSA

58ms

SOA

0ms

MTA-STS

52ms

DNSSEC

117ms

SRV

42ms

Total

499ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-31 15:36:36	499ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-08-30 08:03:21	1448ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-08-29 01:45:46	1223ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-08-27 21:39:40	452ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-08-26 19:39:07	417ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-08-25 15:25:19	1206ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-08-24 14:14:17	740ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-08-22 21:27:46	1427ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-08-21 21:24:53	1692ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-08-20 21:13:41	4063ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-08-19 20:44:20	1920ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-08-18 20:29:03	1341ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-08-17 08:02:24	1910ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-08-16 04:46:03	798ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-08-14 18:18:35	2058ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-08-13 07:40:17	8971ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-08-11 22:58:03	2073ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-08-10 12:38:50	16488ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-08-07 02:31:30	622ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-08-03 16:48:01	625ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-07-29 11:58:53	15555ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-07-28 06:29:08	9496ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-07-27 05:03:13	787ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-07-26 04:39:29	731ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-07-25 04:11:57	2492ms	2 NS 0 A 1 MX	🔒 Secure	View