onwelcom.dk

Records from scan: 2026-09-24 20:12:43 · 9419ms total · last checked 2026-10-16 23:57 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

onwelcom.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 47ms

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 49ms

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 46ms

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	185.51.79.242
🔶 Autoconfig	185.51.79.250

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

2 records 61ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	0	0	443	exchange.onwelcom.dk
_sipfederationtls._tcp	0	0	5061	sip.onwelcom.dk

📝 TXT Records#

3 records 204ms

TXT Record
CEOV1610183003
globalsign-domain-verification=vQbij8MlDQtXrvlN5W_XmGRwDbCY1Mkp4aX6epJiqI
v=spf1 a ip4:185.51.78.0/24 ip4:185.51.79.0/24 ~all

✉️ SPF#

Policy	Record (onwelcom.dk)
~all (soft fail)	v=spf1 a ip4:185.51.78.0/24 ip4:185.51.79.0/24 ~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 2026-10-13 19:20:58

www	185.51.79.250 (AS205984) (address records, no CNAME)
www vs bare domain	Same network onwelcom.dk: 185.51.79.250 (AS205984) www.onwelcom.dk: 185.51.79.250 (AS205984)
Wildcard	Yes: any name under the zone resolves

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

9073ms

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	2022082923
Primary NS (MNAME)	ns1.onwelcom.dk
Responsible (RNAME)	hostmaster@onwelcom.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#

47ms

49ms

46ms

AAAA

46ms

TXT

204ms

CAA

47ms

HTTPS

45ms

TLSA

58ms

SOA

0ms

MTA-STS

51ms

DNSSEC

9073ms

SRV

61ms

Total

9419ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-24 20:12:43 shown	9419ms	2 NS 1 A 2 MX	🔓 Insecure
2026-09-20 21:58:25	2919ms	2 NS 1 A 2 MX	🔓 Insecure
2026-06-22 15:25:15	2350ms	2 NS 1 A 2 MX	🔓 Insecure
2026-06-20 19:48:19	976ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-18 03:00:19	761ms	2 NS 1 A 2 MX	🔓 Insecure