århusstatsgymnasie.dk DNS records

🖥️ Nameservers2 records 27ms

Nameserver	IP addresses	PTR	ASN / ISP
ns3.supportcenter.dk	87.54.32.150	—	AS3292 TDC Holding A/S
ns4.supportcenter.dk	2.106.7.200	ns4.supportcenter.dk	AS3292 TDC Holding A/S

🌍 A Records

🌍

No A records found

📧 MX Records1 records 19ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	. Null MX — domain accepts no email (RFC 7505)

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 107ms

TXT Record
v=spf1 -all

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.århusstatsgymnasie.dk)
p=reject	v=DMARC1; p=reject;rua=mailto:dmarc@via.dk; ruf=mailto:dmarc@via.dk

📬 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	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✓ Found
Flags	resolution failed: ncache nxrrset

🏷️ SOA0ms

Field	Value
Serial	728
Primary NS (MNAME)	ns3.supportcenter.dk
Responsible (RNAME)	hostmaster@supportcenter.dk
Refresh	900s
Retry	600s
Expire	86400s
Minimum (neg-cache TTL)	3600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

27ms

A

27ms

MX

19ms

AAAA

22ms

TXT

107ms

CAA

27ms

HTTPS

17ms

TLSA

20ms

SOA

0ms

MTA-STS

37ms

DNSSEC

104ms

SRV

30ms

Total

371ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-29 07:53:57	371ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-08-27 22:56:10	473ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-08-24 00:23:33	1690ms	2 NS 0 A 1 MX	❓ Unknown	View
2026-08-18 15:51:56	10802ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-08-15 18:07:31	1112ms	2 NS 0 A 1 MX	❓ Unknown	View
2026-08-12 22:47:28	1662ms	2 NS 0 A 1 MX	❓ Unknown	View
2026-08-08 21:14:25	675ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-08-04 13:52:12	862ms	2 NS 0 A 1 MX	❓ Unknown	View
2026-07-31 23:28:44	726ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-07-25 23:22:50	8605ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-07-24 22:58:43	419ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-07-19 07:35:35	619ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-07-17 22:36:39	582ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-07-16 15:09:14	9379ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-07-09 04:08:20	643ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-07-07 12:58:49	458ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-07-03 12:08:41	460ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-06-26 14:39:50	2607ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-06-23 15:34:28	643ms	2 NS 0 A 1 MX	❓ Unknown	View
2026-06-23 13:05:18	311ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-23 05:30:59	1167ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-21 17:43:44	4317ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-06-17 13:10:23	1530ms	2 NS 0 A 0 MX	🔒 Secure	View