skolehistorie-billeder.dk DNS records

🖥️ Nameservers2 records 33ms

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 26ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.45.20.49	900s	ced-apps.au.dk coursesetup-test.carsten.medu.au.dk dashboard-gios.au.dk er-det-fredag-i-ffb.dk ipure8.au.dk test-ced-apps.au.dk	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 106ms

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

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.skolehistorie-billeder.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)

🔐 DNSSEC104ms

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

🏷️ SOA0ms

Field	Value
Serial	4989
Primary NS (MNAME)	infobloxgm3.au.dk
Responsible (RNAME)	hostmaster@dpunet.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

33ms

A

26ms

MX

37ms

AAAA

33ms

TXT

106ms

CAA

28ms

HTTPS

28ms

TLSA

33ms

SOA

0ms

MTA-STS

40ms

DNSSEC

104ms

SRV

37ms

Total

390ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-29 12:51:37	390ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-28 00:23:29	459ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-27 00:12:49	451ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-24 14:01:37	616ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-23 08:10:15	2129ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-22 07:52:12	3758ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-21 07:44:58	1017ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-20 06:26:00	632ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-19 04:46:40	2219ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-17 15:02:12	2403ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-16 09:11:52	8485ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-15 08:27:17	619ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-13 20:21:18	584ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-12 03:19:08	2658ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-10 12:58:09	603ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-09 01:26:18	607ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-07 13:50:40	578ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-01 21:50:33	8679ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-07-29 05:36:19	13392ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-07-28 00:23:43	698ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-07-27 00:06:37	916ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-07-25 23:38:38	534ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-07-24 23:03:02	598ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-07-23 18:36:36	8455ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-07-22 18:20:44	1146ms	2 NS 1 A 0 MX	🔒 Secure	View