sylvesternet.dk
Last scanned: 2026-08-27 20:11:32  ·  643ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers4 records   34ms
NameserverIP addressesPTRASN / ISP
ns1.simply.com 2a02:2339:1:15c::4562:4562
91.197.248.78		 ns1.simply.com
ns1.simply.com		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
ns2.simply.com 185.25.141.15
2a02:2339:4006:101::4562:4562		 ns2.simply.com
ns2.simply.com		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
ns3.simply.com 91.197.248.79 ns3.simply.com AS48854 team.blue Denmark A/S
ns4.simply.com 91.197.248.80 ns4.simply.com AS48854 team.blue Denmark A/S
🌍 A Records1 records   48ms
IPTTLPTRASNISP / OrgCIDRCountryCity
93.191.156.34 3600s linux184.unoeuro.com AS48854 team.blue Denmark A/S 93.191.152.0/21 🇩🇰 Denmark —
📧 MX Records2 records   65ms
PriorityTTLMail ServerIP addressesPTRASN
10 3600s mxa.eu.mailgun.org 34.111.130.244 244.130.111.34.bc.googleusercontent.com AS396982 Google LLC
10 3600s mxb.eu.mailgun.org 34.111.130.244 244.130.111.34.bc.googleusercontent.com AS396982 Google LLC
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover93.191.156.34
🔶 Autoconfig93.191.156.34
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   178ms
TXT Record
v=spf1 -all
✉️ SPF
PolicyRecord (sylvesternet.dk)
-all (hard fail) v=spf1 -all
📨 DMARC
PolicyRecord (_dmarc.sylvesternet.dk)
p=reject v=DMARC1; p=reject; sp=reject; adkim=s; aspf=s; rua=mailto:watchdog3@watchdog.kevlarr.io;
📬 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)
🔐 DNSSEC110ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2023110300
Primary NS (MNAME)ns1.simply.com
Responsible (RNAME)hostmaster@simply.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)3600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
34ms
A
48ms
MX
65ms
AAAA
62ms
TXT
178ms
CAA
62ms
HTTPS
69ms
TLSA
102ms
SOA
0ms
MTA-STS
96ms
DNSSEC
110ms
SRV
72ms
Total
643ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 20:11:32 643ms 4 NS 1 A 2 MX 🔒 Secure View
2026-06-26 18:18:31 2447ms 4 NS 1 A 2 MX 🔒 Secure View
2026-06-25 14:18:46 2325ms 4 NS 1 A 2 MX 🔒 Secure View
2026-06-21 12:45:13 518ms 4 NS 1 A 2 MX 🔒 Secure View
2026-06-18 08:43:12 1126ms 4 NS 1 A 2 MX 🔒 Secure View
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