define4u.dk
📜 Historical scan 2026-06-17 01:43:55  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers4 records   137ms
NameserverIP addressesPTRASN / ISP
ns1.simply.com — — —
ns2.simply.com — — —
ns3.simply.com — — —
ns4.simply.com — — —
🌍 A Records1 records   167ms
IPTTLPTRASNISP / OrgCIDRCountryCity
94.231.103.33 — linux58.unoeuro.com AS48854 team.blue Denmark A/S 94.231.96.0/20 🇩🇰 Denmark —
📧 MX Records1 records   178ms
PriorityTTLMail ServerIP addressesPTRASN
10 — mail.define4u.dk 77.213.64.104 077213064104.static.telenor.dk AS9158 Telenor A/S
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   301ms
TXT Record
v=spf1 ip4:77.213.64.104 ~all
✉️ SPF
PolicyRecord (define4u.dk)
~all (soft fail) v=spf1 ip4:77.213.64.104 ~all
📨 DMARC
PolicyRecord (_dmarc.define4u.dk)
p=none (monitor only) v=DMARC1; p=none; rua=mailto:jlc@define4u.dk; ruf=mailto:jlc@define4u.dk; fo=1
📬 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)
🔐 DNSSEC318ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA117ms
FieldValue
Serial2025012003
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
137ms
A
167ms
MX
178ms
AAAA
149ms
TXT
301ms
CAA
172ms
HTTPS
162ms
TLSA
153ms
SOA
117ms
MTA-STS
141ms
DNSSEC
318ms
SRV
0ms
Total
1597ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-28 01:06:31 553ms 4 NS 1 A 1 MX 🔒 Secure View
2026-08-25 00:21:54 520ms 4 NS 1 A 1 MX 🔒 Secure View
2026-06-25 07:49:00 1814ms 4 NS 1 A 1 MX 🔒 Secure View
2026-06-18 23:14:13 736ms 4 NS 1 A 1 MX 🔒 Secure View
2026-06-17 01:43:55 1597ms 4 NS 1 A 1 MX 🔒 Secure View
2026-06-17 01:31:23 551ms 4 NS 1 A 1 MX 🔒 Secure View
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