matematikhaven.dk

📜 Historical scan 2026-10-09 10:08:42 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

matematikhaven.dk is a .dk domain served by 3 nameservers (ns0.transip.net, ns1.transip.nl, ns2.transip.eu). It was registered on 6 February 2015 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 65.108.75.61 is hosted by Hetzner Online GmbH (AS24940) in Finland. The zone is not DNSSEC-signed, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

3 records 44ms

Nameserver	IP addresses	PTR	ASN / ISP
ns0.transip.net	195.135.195.195 2a01:7c8:dddd:195::195	ns0.transip.net ns0.transip.net	AS20857 Signet B.V. AS20857 Signet B.V.
ns1.transip.nl	195.8.195.195 2a01:7c8:7000:195::195	ns1.transip.nl ns1.transip.nl	AS20857 Signet B.V. AS20857 Signet B.V.
ns2.transip.eu	2a01:7c8:f:c1f::195 37.97.199.195	ns2.transip.eu ns2.transip.eu	AS20857 Signet B.V. AS20857 Signet B.V.

🌍 A Records#

1 records 42ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
65.108.75.61	300s	wp-05.oefenweb.nl	AS24940	Hetzner Online GmbH	65.108.0.0/15	🇫🇮 Finland	Helsinki

📧 MX Records#

📧

No MX records found

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	65.108.75.61
🔶 Autoconfig	65.108.75.61

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 317ms

TXT Record
v=spf1 -all

✉️ SPF#

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

📨 DMARC#

Policy	Record (_dmarc.matematikhaven.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:root+rua@oefenweb.nl; ruf=mailto:root+ruf@oefenweb.nl; fo=1; adkim=s; aspf=s

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

3 records 66ms

Flags	Tag	Value
0	iodef	mailto:root@oefenweb.nl
0	issue	sectigo.com
0	issuewild	sectigo.com

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-22 10:59:34

www	65.108.75.61 (AS24940) (address records, no CNAME)
www vs bare domain	Same network matematikhaven.dk: 65.108.75.61 (AS24940) www.matematikhaven.dk: 65.108.75.61 (AS24940)
Wildcard	Yes: any name under the zone resolves

🔎 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#

130ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

49ms

Field	Value
Serial	2025110100
Primary NS (MNAME)	ns0.transip.net
Responsible (RNAME)	hostmaster@transip.nl
Refresh	86400s
Retry	1800s
Expire	2419200s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-21 14:21:40

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2015-02-06
Expires	2027-02-28 (125d)

🔗 Same registrant#

0 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).

No other domain with this registrant in our WHOIS data yet

📋 WHOIS#

⏱️ Lookup Timing#

44ms

42ms

46ms

AAAA

44ms

TXT

317ms

CAA

66ms

HTTPS

53ms

TLSA

107ms

SOA

49ms

MTA-STS

69ms

DNSSEC

130ms

SRV

112ms

Total

1935ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-22 10:59:34	3184ms	3 NS 1 A 0 MX	🔓 Insecure
2026-10-09 10:08:42 shown	1935ms	3 NS 1 A 0 MX	🔓 Insecure
2026-10-01 06:03:11	836ms	3 NS 1 A 0 MX	🔓 Insecure
2026-09-25 12:56:12	1310ms	3 NS 1 A 0 MX	🔓 Insecure
2026-06-18 03:24:14	847ms	3 NS 1 A 0 MX	🔓 Insecure