professionelle-læringsfællesskaber.dk DNS records

professionelle-læringsfællesskaber.dk xn--professionelle-lringsfllesskaber-w0cg.dk

Last scanned: 2026-08-28 02:31:54 · 16465ms total

🖥️ Nameservers2 records 32ms

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 Records1 records 32ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
87.53.72.228	3600s	nvr.via.dk prerelease-cfu.via.dk prerelease-mfh.via.dk prerelease-plf.via.dk www2.viauc.dk	AS3292	TDC Holding A/S	87.48.0.0/13	🇩🇰 Denmark	Copenhagen

📧 MX Records1 records 34ms

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 98ms

TXT Record
v=spf1 -all

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.professionelle-læringsfællesskaber.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)

🔐 DNSSEC105ms

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

🏷️ SOA0ms

Field	Value
Serial	695
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

32ms

34ms

AAAA

32ms

TXT

98ms

CAA

22ms

HTTPS

25ms

TLSA

128ms

SOA

0ms

MTA-STS

39ms

DNSSEC

105ms

SRV

16041ms

Total

16465ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 02:31:54	16465ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-25 23:19:32	16678ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-22 13:15:53	16681ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-16 19:38:45	5608ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-10 04:18:59	6931ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-08 14:37:07	6751ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-06 23:10:34	4411ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-31 22:27:24	4417ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-23 19:23:52	4434ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-22 19:16:47	782ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-18 04:16:07	6109ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-14 18:58:41	749ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-07 04:44:17	16572ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-05 21:55:49	7785ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-05 21:29:17	16954ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-01 08:29:27	6536ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-29 02:08:12	4525ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-23 06:54:15	1164ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-21 02:19:08	487ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-20 18:53:51	772ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-20 02:07:28	742ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-18 02:12:46	473ms	2 NS 1 A 0 MX	🔒 Secure	View