foerster.dk

📜 Historical scan 2026-10-04 07:43:04 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

foerster.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 9 April 2026 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 202.61.233.105 is hosted by netcup GmbH (AS197540) in Germany. Mail is handled by mail.foerster.dk, mxe96b.netcup.net. The zone is DNSSEC-signed and validates, has no DMARC policy and is reachable over IPv6. 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 30ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	2a02:2339:1:15c::4562:4562 91.197.248.78	ns1.simply.com ns1.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simply.com	185.25.141.15 2a02:2339:4006:101::4562:4562	ns2.simply.com ns2.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns3.simply.com	91.197.248.79	ns3.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 28ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
202.61.233.105	3600s	ae969.netcup.net	AS197540	netcup GmbH	202.61.224.0/19	🇩🇪 Germany	Nuremberg

📧 MX Records#

2 records 35ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mail.foerster.dk	202.61.233.107 2a03:4000:0:5a1:c47c:87ff:fe5a:8d9b	mxe96b.netcup.net mxe96b.netcup.net	AS197540 netcup GmbH AS197540 netcup GmbH
50	3600s	mxe96b.netcup.net	202.61.233.107 2a03:4000:0:5a1:c47c:87ff:fe5a:8d9b	mxe96b.netcup.net mxe96b.netcup.net	AS197540 netcup GmbH AS197540 netcup GmbH

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	202.61.233.105
🔶 Autoconfig	autoconfig.netcup.net → 46.38.225.195

🔷 AAAA Records (IPv6)#

1 records 33ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a03:4000:61:a6ba::21:1782	3600s	—	AS197540	netcup GmbH	2a03:4000:0:0:0:0:0:0/31	🇩🇪 Germany	Nuremberg

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

3 records 131ms

TXT Record
152c5798-0e0d-4624-ae9f-108a88c97158
autoconfig.netcup.net
v=spf1 mx a include:_spf.webhosting.systems ~all

✉️ SPF#

Policy	Record (foerster.dk)
~all (soft fail)	v=spf1 mx a include:_spf.webhosting.systems ~all

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 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#

latest probe, not this scan · checked 2026-10-12 18:13:28

www	202.61.233.105 2a03:4000:61:a6ba::21:1782 (AS197540) (address records, no CNAME)
www vs bare domain	Same network foerster.dk: 202.61.233.105 2a03:4000:61:a6ba::21:1782 (AS197540) www.foerster.dk: 202.61.233.105 2a03:4000:61:a6ba::21:1782 (AS197540)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 5/10 · policy: ~all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.foerster.dk	CfRWmF2zLWKUQQl0ShLdogXs-XLM-SuvYEzL33oRJjg

🔗 TLSA / DANE#

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

🔐 DNSSEC#

70ms

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

🏷️ SOA#

37ms

Field	Value
Serial	2026100300
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-04 08:31:28

Field	Value
Registrar	Simply.com A/S
Registered	2026-04-09
Expires	2027-04-08 (166d)

📋 WHOIS#

⏱️ Lookup Timing#

30ms

28ms

35ms

AAAA

33ms

TXT

131ms

CAA

46ms

HTTPS

22ms

TLSA

432ms

SOA

37ms

MTA-STS

45ms

DNSSEC

70ms

SRV

154ms

Total

971ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-12 18:13:28	1091ms	3 NS 1 A 2 MX	🔒 Secure
2026-10-04 07:43:04 shown	971ms	3 NS 1 A 2 MX	🔒 Secure
2026-09-12 21:27:12	894ms	3 NS 1 A 2 MX	🔒 Secure
2026-08-27 21:21:58	1042ms	3 NS 1 A 2 MX	🔒 Secure
2026-06-20 14:20:17	845ms	3 NS 1 A 2 MX	🔒 Secure
2026-06-17 10:16:41	2034ms	3 NS 1 A 2 MX	🔒 Secure