perlering.dk

📜 Historical scan 2026-06-25 07:36:32 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

perlering.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 mx1.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 250ms

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

🌍 A Records#

1 records 259ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.51.79.250	86400s	web01.onwelcom.dk	AS205984	Powernet Aps	185.51.78.0/23	🇩🇰 Denmark	—

📧 MX Records#

2 records 222ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	86400s	mx1.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

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 473ms

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

✉️ SPF#

Policy	Record (perlering.dk)
~all (soft fail)	v=spf1 a mx ip4:195.190.31.0/24 ptr ~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 23:37:14

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

🔎 SPF check#

zone-wide SPF report

DNS lookups: 3/10 · policy: ~all

warn "ptr" is slow, unreliable and discouraged (RFC 7208 §5.5)

🔗 TLSA / DANE#

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

🔐 DNSSEC#

352ms

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

🏷️ SOA#

253ms

Field	Value
Serial	2016111701
Primary NS (MNAME)	ns1.onwelcom.dk
Responsible (RNAME)	hostmaster@perlering.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#

250ms

259ms

222ms

AAAA

229ms

TXT

473ms

CAA

229ms

HTTPS

238ms

TLSA

171ms

SOA

253ms

MTA-STS

254ms

DNSSEC

352ms

SRV

259ms

Total

2383ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-07 23:37:14	428ms	2 NS 1 A 2 MX	🔓 Insecure
2026-09-24 01:48:48	573ms	2 NS 1 A 2 MX	🔓 Insecure
2026-08-26 17:43:04	827ms	2 NS 1 A 2 MX	🔓 Insecure
2026-06-25 07:36:32 shown	2383ms	2 NS 1 A 2 MX	🔓 Insecure
2026-06-23 13:40:26	927ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-18 04:38:50	882ms	2 NS 1 A 2 MX	🔓 Insecure