sigma-q.dk

Records from scan: 2026-09-30 20:27:30 · 566ms total · last checked 2026-10-16 14:45 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

sigma-q.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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 48ms

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 39ms

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 37ms

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	127.0.0.1

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 70ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	0	0	443	exchange.onwelcom.dk

📝 TXT Records#

1 records 162ms

TXT Record
v=spf1 a ip4:185.51.79.235 ip4:185.51.79.242 mx -all

✉️ SPF#

Policy	Record (sigma-q.dk)
-all (hard fail)	v=spf1 a ip4:185.51.79.235 ip4:185.51.79.242 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#

checked 2026-10-08 22:49:41

www	185.51.79.250 (AS205984) (address records, no CNAME)
www vs bare domain	Same network sigma-q.dk: 185.51.79.250 (AS205984) www.sigma-q.dk: 185.51.79.250 (AS205984)
Wildcard	No

🔎 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#

80ms

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

🏷️ SOA#

46ms

Field	Value
Serial	2016090607
Primary NS (MNAME)	ns1.onwelcom.dk
Responsible (RNAME)	hostmaster@sigma-q.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#

48ms

39ms

37ms

AAAA

35ms

TXT

162ms

CAA

65ms

HTTPS

41ms

TLSA

67ms

SOA

46ms

MTA-STS

71ms

DNSSEC

80ms

SRV

70ms

Total

566ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 20:27:30 shown	566ms	2 NS 1 A 2 MX	🔓 Insecure
2026-08-27 06:57:09	2662ms	2 NS 1 A 2 MX	🔓 Insecure
2026-07-16 09:52:28	2912ms	2 NS 1 A 2 MX	🔓 Insecure
2026-07-14 04:28:46	688ms	1 NS 0 A 0 MX	❓ Unknown
2026-06-24 03:40:10	640ms	2 NS 1 A 2 MX	🔓 Insecure
2026-06-17 13:05:43	1951ms	2 NS 1 A 2 MX	🔓 Insecure