forsberg.dk

📜 Historical scan 2026-08-26 01:20:33 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

forsberg.dk is a .dk domain served by 2 nameservers (ns1.onwelcom.dk, ns2.onwelcom.dk). It was registered on 25 April 1996 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.51.79.130 is hosted by Powernet Aps (AS205984) in Denmark. Mail is handled by mailfilter.onwelcom.dk, mx2.onwelcom.dk. The zone is not DNSSEC-signed, has no 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#

2 records 44ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.onwelcom.dk	185.51.79.241	mail.onwelcom.dk	AS205984 Powernet Aps
ns2.onwelcom.dk	185.51.79.251	—	AS205984 Powernet Aps

🌍 A Records#

1 records 55ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.51.79.130	86400s	web02.onwelcom.dk	AS205984	Powernet Aps	185.51.78.0/23	🇩🇰 Denmark	—

📧 MX Records#

2 records 39ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	86400s	mailfilter.onwelcom.dk	185.51.79.248	mailfilter.powernet.dk	AS205984 Powernet Aps
20	86400s	mx2.onwelcom.dk	185.51.79.248	mailfilter.powernet.dk	AS205984 Powernet Aps

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	185.51.79.130
🔶 Autoconfig	185.51.79.130

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 204ms

TXT Record
v=spf1 a ip4:185.51.79.241 ip4:195.190.31.0/24 mx ~all

✉️ SPF#

Policy	Record (forsberg.dk)
~all (soft fail)	v=spf1 a ip4:185.51.79.241 ip4:195.190.31.0/24 mx ~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 2026-10-07 19:57:50

www	185.51.79.130 (AS205984) (address records, no CNAME)
www vs bare domain	Same network forsberg.dk: 185.51.79.130 (AS205984) www.forsberg.dk: 185.51.79.130 (AS205984)
Wildcard	Yes: any name under the zone resolves

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

84ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2020050701
Primary NS (MNAME)	ns1.onwelcom.dk
Responsible (RNAME)	hostmaster@forsberg.dk
Refresh	3600s
Retry	600s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration#

WHOIS fetched 2026-10-09 13:41:35

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	1996-04-25
Expires	2031-06-30 (1717d)

📋 WHOIS#

⏱️ Lookup Timing#

44ms

55ms

39ms

AAAA

39ms

TXT

204ms

CAA

65ms

HTTPS

55ms

TLSA

61ms

SOA

0ms

MTA-STS

55ms

DNSSEC

84ms

SRV

80ms

Total

580ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 19:15:31	526ms	2 NS 1 A 2 MX	🔓 Insecure
2026-09-29 18:55:32	488ms	2 NS 1 A 2 MX	🔓 Insecure
2026-09-13 00:24:15	4723ms	2 NS 1 A 2 MX	🔓 Insecure
2026-08-26 01:20:33 shown	580ms	2 NS 1 A 2 MX	🔓 Insecure
2026-06-24 06:58:35	1158ms	2 NS 1 A 2 MX	🔓 Insecure
2026-06-23 11:12:07	940ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-17 09:22:58	810ms	2 NS 1 A 2 MX	🔓 Insecure