switz.dk

📜 Historical scan 2026-06-18 01:26:21 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

switz.dk is a .dk domain served by 2 nameservers (ns1.onwelcom.dk, ns2.onwelcom.dk). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.51.79.250 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 154ms

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 285ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.51.79.250	—	web01.onwelcom.dk	AS205984	Powernet Aps	185.51.78.0/23	🇩🇰 Denmark	—

📧 MX Records#

2 records 171ms

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

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 315ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	0	0	443	outlook.aspecthosting.net

📝 TXT Records#

1 records 465ms

TXT Record
v=spf1 a ip4:185.51.79.241 ip4:195.190.31.0/24 a:mail.onwelcom.dk mx ~all

✉️ SPF#

Policy	Record (switz.dk)
~all (soft fail)	v=spf1 a ip4:185.51.79.241 ip4:195.190.31.0/24 a:mail.onwelcom.dk 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 2026-10-08 21:21:54

www CNAME	switz.dk (all on switz.dk) → 185.51.79.250 (AS205984)
www vs bare domain	Same network switz.dk: 185.51.79.250 (AS205984) www.switz.dk: 185.51.79.250 (AS205984)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 3/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

450ms

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

🏷️ SOA#

242ms

Field	Value
Serial	2016061301
Primary NS (MNAME)	ns1.onwelcom.dk
Responsible (RNAME)	hostmaster@switz.dk
Refresh	3600s
Retry	600s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

154ms

285ms

171ms

AAAA

255ms

TXT

465ms

CAA

268ms

HTTPS

255ms

TLSA

246ms

SOA

242ms

MTA-STS

271ms

DNSSEC

450ms

SRV

315ms

Total

5202ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-22 10:10:24	2825ms	2 NS 1 A 2 MX	🔓 Insecure
2026-08-26 19:53:07	564ms	2 NS 1 A 2 MX	🔓 Insecure
2026-06-21 08:18:35	637ms	2 NS 1 A 2 MX	🔓 Insecure
2026-06-19 11:24:21	622ms	2 NS 1 A 2 MX	🔓 Insecure
2026-06-18 01:26:21 shown	5202ms	2 NS 1 A 2 MX	🔓 Insecure