klasse-centret.dk

Records from scan: 2026-10-13 13:28:00 · 520ms total · last checked 2026-10-16 19:16 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

klasse-centret.dk is a .dk domain served by 2 nameservers (ns.vordbkom.dk, ns.vordbskoler.dk). It was registered on 8 June 2012 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 5.56.147.142 is hosted by GlobalConnect A/S (AS31027) in Denmark. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 46ms

Nameserver	IP addresses	PTR	ASN / ISP
ns.vordbkom.dk	131.165.202.1	ns.vordbkom.dk	AS6834 KMD A/S
ns.vordbskoler.dk	5.56.147.154	—	AS31027 GlobalConnect A/S

🌍 A Records#

1 records 45ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
5.56.147.142	11700s	—	AS31027	GlobalConnect A/S	5.56.144.0/20	🇩🇰 Denmark	Karlslunde

📧 MX Records#

📧

No MX records found

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	5.56.147.142
🔶 Autoconfig	5.56.147.142

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 255ms

TXT Record
v=spf1 -all

✉️ SPF#

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

📨 DMARC#

Policy	Record (_dmarc.klasse-centret.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:60f69872d8c04@dmarc.centerasecurity.com;

📬 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

🧩 Web & zone#

checked 2026-10-13 13:28:00

www	5.56.147.142 (AS31027) (address records, no CNAME)
www vs bare domain	Same network klasse-centret.dk: 5.56.147.142 (AS31027) www.klasse-centret.dk: 5.56.147.142 (AS31027)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC3 · 50 iterations · 8-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 0/10 · policy: -all

No problems found

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

71ms

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

🏷️ SOA#

58ms

Field	Value
Serial	2013020754
Primary NS (MNAME)	ns.vordbkom.dk
Responsible (RNAME)	hostmaster
Refresh	14400s
Retry	7200s
Expire	604800s
Minimum (neg-cache TTL)	900s

📋 Registration#

WHOIS fetched 2026-10-13 13:45:21

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2012-06-08
Expires	2027-06-30 (256d)

🔗 Same registrant#

35 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

Domain	Registrar
10klassecentret.dk	Punktum dk A/S (direct)
blåeventyr.dk	DANDOMAIN A/S
gaasetaarnsskolen.dk	Punktum dk A/S (direct)
gasetaarn-skolen.dk	Punktum dk A/S (direct)
gasetaarns-skolen.dk	Punktum dk A/S (direct)
gasetaarnskolen.dk	Punktum dk A/S (direct)
gasetårn-skolen.dk	Punktum dk A/S (direct)
gasetårns-skolen.dk	Punktum dk A/S (direct)
gasetårnskolen.dk	Punktum dk A/S (direct)
gasetårnsskolen.dk	Punktum dk A/S (direct)
gongeskolen.dk	Punktum dk A/S (direct)
gåsetårn-skolen.dk	Punktum dk A/S (direct)
gåsetårnskolen.dk	Punktum dk A/S (direct)
gåsetårnsskolen.dk	Punktum dk A/S (direct)
gøngeskolen.dk	Punktum dk A/S (direct)
kastrupskole.dk	Punktum dk A/S (direct)
klasse-centeret.dk	Punktum dk A/S (direct)
klassecenteret.dk	Punktum dk A/S (direct)
klosternakkeskolen.dk	Punktum dk A/S (direct)
kulturstroemmen.dk	Punktum dk A/S (direct)
marienbergskole.dk	Punktum dk A/S (direct)
masnedoefortet.dk	Punktum dk A/S (direct)
moenkommune.dk	Punktum dk A/S (direct)
nyvordingborgkommune.dk	Punktum dk A/S (direct)
prastohavn.dk	Punktum dk A/S (direct)
prastoskole.dk	Punktum dk A/S (direct)
skolenetvordingborg.dk	Punktum dk A/S (direct)
svendgoenge-skolen.dk	Punktum dk A/S (direct)
vkdt.dk	Punktum dk A/S (direct)
vordbkom.dk	Punktum dk A/S (direct)
vordingborg.dk	Punktum dk A/S (direct)
vordingborgambassador.dk	Punktum dk A/S (direct)
vordingborgbibliotek.dk	Punktum dk A/S (direct)
vordingborgskolerne.dk	Punktum dk A/S (direct)
vorskoler.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

46ms

45ms

AAAA

45ms

TXT

255ms

CAA

43ms

HTTPS

50ms

TLSA

68ms

SOA

58ms

MTA-STS

72ms

DNSSEC

71ms

SRV

84ms

Total

520ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-13 13:28:00 shown	520ms	2 NS 1 A 0 MX	🔒 Secure
2026-10-12 13:16:58	1210ms	2 NS 1 A 0 MX	🔒 Secure
2026-10-08 00:12:01	1863ms	2 NS 1 A 0 MX	🔒 Secure
2026-10-03 21:07:31	813ms	2 NS 1 A 0 MX	🔒 Secure
2026-10-01 21:02:12	1863ms	2 NS 1 A 0 MX	🔒 Secure
2026-09-30 20:54:17	836ms	2 NS 1 A 0 MX	🔒 Secure
2026-09-26 01:13:58	3051ms	2 NS 1 A 0 MX	🔒 Secure
2026-09-25 01:06:55	633ms	2 NS 1 A 0 MX	🔒 Secure
2026-09-21 01:31:20	2917ms	2 NS 1 A 0 MX	🔒 Secure
2026-09-17 10:20:59	903ms	2 NS 1 A 0 MX	🔒 Secure
2026-09-10 09:04:15	806ms	2 NS 1 A 0 MX	🔒 Secure
2026-09-03 22:43:17	635ms	2 NS 1 A 0 MX	🔒 Secure
2026-08-30 13:12:34	1716ms	2 NS 1 A 0 MX	🔒 Secure
2026-08-29 09:55:10	1901ms	2 NS 1 A 0 MX	🔒 Secure
2026-08-27 04:29:51	2484ms	2 NS 1 A 0 MX	🔒 Secure
2026-08-23 08:17:59	2333ms	2 NS 1 A 0 MX	🔒 Secure
2026-08-22 07:56:43	679ms	2 NS 1 A 0 MX	🔒 Secure
2026-08-16 22:47:43	666ms	2 NS 1 A 0 MX	🔒 Secure
2026-08-14 14:06:10	2649ms	2 NS 1 A 0 MX	🔒 Secure
2026-08-11 00:28:13	1381ms	2 NS 1 A 0 MX	🔒 Secure
2026-08-06 19:06:58	882ms	2 NS 1 A 0 MX	🔒 Secure
2026-07-28 13:47:01	9486ms	2 NS 1 A 0 MX	🔒 Secure
2026-07-25 09:19:57	1017ms	2 NS 1 A 0 MX	🔒 Secure
2026-07-20 15:13:59	948ms	2 NS 1 A 0 MX	🔒 Secure
2026-07-18 03:08:17	1068ms	2 NS 1 A 0 MX	🔒 Secure