markvardsen.dk
Last scanned: 2026-06-24 21:55:54  ·  964ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   155ms
NameserverIP addressesPTRASN / ISP
dns1.rackhosting.com 77.247.69.212 dns1.rackhosting.com AS31590 Rackhosting.com ApS
dns2.rackhosting.com 45.32.187.211 dns2.rackhosting.com AS20473 The Constant Company, LLC
dns3.rackhosting.com 77.247.69.213 dns3.rackhosting.com AS31590 Rackhosting.com ApS
🌍 A Records1 records   145ms
IPTTLPTRASNISP / OrgCIDRCountryCity
77.247.64.12 86400s vice.rackhosting.com AS31590 Rackhosting.com ApS 77.247.64.0/20 🇩🇰 Denmark —
📧 MX Records2 records   131ms
PriorityTTLMail ServerIP addressesPTRASN
10 86400s mailfilter0.rackhosting.com 77.247.73.194
77.247.73.195
77.247.73.196
77.247.73.197		 mailfilter-se0.rackhosting.com
mailfilter-se1.rackhosting.com
mailfilter-se2.rackhosting.com
mailfilter-se3.rackhosting.com		 AS31590 Rackhosting.com ApS
AS31590 Rackhosting.com ApS
AS31590 Rackhosting.com ApS
AS31590 Rackhosting.com ApS
20 86400s mailfilter1.rackhosting.com 77.247.73.198
77.247.73.199
77.247.73.200
77.247.73.201		 mailfilter-se0-1.rackhosting.com
mailfilter-se1-1.rackhosting.com
mailfilter-se2-1.rackhosting.com
mailfilter-se3-1.rackhosting.com		 AS31590 Rackhosting.com ApS
AS31590 Rackhosting.com ApS
AS31590 Rackhosting.com ApS
AS31590 Rackhosting.com ApS
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
🔌 SRV Records1 records   165ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 5 25 443 fe01.exchange.idoffice.dk
📝 TXT Records
📝
No TXT records found
✉️ SPF
✗ No SPF record — mail spoofing not restricted
📨 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)
🔐 DNSSEC206ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA130ms
FieldValue
Serial1691742890
Primary NS (MNAME)dns1.rackhosting.com
Responsible (RNAME)martin@helms.dk
Refresh10800s
Retry3600s
Expire604800s
Minimum (neg-cache TTL)10800s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
155ms
A
145ms
MX
131ms
AAAA
153ms
TXT
287ms
CAA
148ms
HTTPS
120ms
TLSA
56ms
SOA
130ms
MTA-STS
164ms
DNSSEC
206ms
SRV
165ms
Total
964ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-06-24 21:55:54 964ms 3 NS 1 A 2 MX 🔓 Insecure View
2026-06-23 21:35:26 1183ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-23 04:51:26 794ms 3 NS 1 A 2 MX 🔓 Insecure View
2026-06-17 11:45:15 3218ms 3 NS 1 A 2 MX 🔓 Insecure View
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