onwelcom.dk
Last scanned: 2026-06-22 15:25:15  ·  2350ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   227ms
NameserverIP addressesPTRASN / 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 Records1 records   293ms
IPTTLPTRASNISP / OrgCIDRCountryCity
185.51.79.250 86400s web01.onwelcom.dk AS205984 Powernet Aps 185.51.78.0/23 🇩🇰 Denmark —
📧 MX Records2 records   191ms
PriorityTTLMail ServerIP addressesPTRASN
10 43200s mailfilter.onwelcom.dk 185.51.79.248 mailfilter.powernet.dk AS205984 Powernet Aps
20 43200s mx2.onwelcom.dk 185.51.79.248 mailfilter.powernet.dk AS205984 Powernet Aps
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover185.51.79.242
🔶 Autoconfig185.51.79.250
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
🔌 SRV Records2 records   347ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 0 0 443 exchange.onwelcom.dk
_sipfederationtls._tcp 0 0 5061 sip.onwelcom.dk
📝 TXT Records3 records   650ms
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
PolicyRecord (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
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC472ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA299ms
FieldValue
Serial2022082923
Primary NS (MNAME)ns1.onwelcom.dk
Responsible (RNAME)hostmaster@onwelcom.dk
Refresh3600s
Retry600s
Expire1209600s
Minimum (neg-cache TTL)86400s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
227ms
A
293ms
MX
191ms
AAAA
234ms
TXT
650ms
CAA
213ms
HTTPS
304ms
TLSA
211ms
SOA
299ms
MTA-STS
298ms
DNSSEC
472ms
SRV
347ms
Total
2350ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-06-22 15:25:15 2350ms 2 NS 1 A 2 MX 🔓 Insecure View
2026-06-20 19:48:19 976ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-18 03:00:19 761ms 2 NS 1 A 2 MX 🔓 Insecure View
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