johnullerup.dk
Last scanned: 2026-08-27 21:50:31  ·  2663ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   31ms
NameserverIP addressesPTRASN / ISP
ns1.dnsserver.dk 185.25.141.12
2a02:2339:4006:108::123		 ns1.curanet.dk
ns1.curanet.dk		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
ns2.dnsserver.dk 2a02:2339:1:10f::123:123
91.197.248.75		 ns2.curanet.dk
ns2.curanet.dk		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
🌍 A Records1 records   23ms
IPTTLPTRASNISP / OrgCIDRCountryCity
193.8.37.82 10800s — AS3308 Norlys Telco A/S 193.8.36.0/23 🇩🇰 Denmark Ølstykke
📧 MX Records2 records   42ms
PriorityTTLMail ServerIP addressesPTRASN
10 10800s mx3.it-hotellet.dk 91.189.203.249 — AS42638 Netvaerkssmeden
10 10800s mx4.it-hotellet.dk 91.189.203.248 — AS42638 Netvaerkssmeden
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
🔌 SRV Records1 records   57ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 0 0 443 mail2.it-hotellet.dk
📝 TXT Records1 records   153ms
TXT Record
v=spf1 mx a include:_spf.it-hotellet.dk -all
✉️ SPF
PolicyRecord (johnullerup.dk)
-all (hard fail) v=spf1 mx a include:_spf.it-hotellet.dk -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)
🔐 DNSSEC105ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026010501
Primary NS (MNAME)ns1.dnsserver.dk
Responsible (RNAME)hostmaster@curanet.dk
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)300s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
31ms
A
23ms
MX
42ms
AAAA
51ms
TXT
153ms
CAA
34ms
HTTPS
59ms
TLSA
88ms
SOA
0ms
MTA-STS
80ms
DNSSEC
105ms
SRV
57ms
Total
2663ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 21:50:31 2663ms 2 NS 1 A 2 MX 🔒 Secure View
2026-06-20 03:49:10 3591ms 2 NS 1 A 2 MX 🔒 Secure View
2026-06-17 12:18:16 2399ms 2 NS 1 A 2 MX 🔒 Secure View
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