esl.dk
Last scanned: 2026-09-01 08:43:37  ·  1324ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   45ms
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
🌍 A Records1 records   49ms
IPTTLPTRASNISP / OrgCIDRCountryCity
94.231.103.100 600s dnsforward.simply.com AS48854 team.blue Denmark A/S 94.231.96.0/20 🇩🇰 Denmark —
📧 MX Records3 records   44ms
PriorityTTLMail ServerIP addressesPTRASN
10 3600s mail1.c1.sdc-hosting.com 185.152.201.6
185.152.201.6
185.152.201.6		 mail1.c1.sdc-hosting.com
mailrelay1.c1.sdc-hosting.com
mail1.c1.securedatacenter.dk		 AS202567 Secure Data Center Aps
AS202567 Secure Data Center Aps
AS202567 Secure Data Center Aps
20 3600s mail1.c2.sdc-hosting.com 185.152.200.6
185.152.200.6
185.152.200.6		 mail1.c2.securedatacenter.dk
mailrelay1.c2.sdc-hosting.com
mail1.c2.sdc-hosting.com		 AS202567 Secure Data Center Aps
AS202567 Secure Data Center Aps
AS202567 Secure Data Center Aps
30 3600s mail1.c3.sdc-hosting.com 38.77.132.4 mail1.c3.sdc-hosting.com AS174 Cogent Communications, LLC
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 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)
🔐 DNSSEC81ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✓ Found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2026071000
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
45ms
A
49ms
MX
44ms
AAAA
53ms
TXT
152ms
CAA
62ms
HTTPS
39ms
TLSA
522ms
SOA
0ms
MTA-STS
53ms
DNSSEC
81ms
SRV
59ms
Total
1324ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-09-01 08:43:37 1324ms 3 NS 1 A 3 MX 🔓 Insecure View
2026-07-10 19:01:00 925ms 3 NS 1 A 3 MX 🔓 Insecure View
2026-07-03 20:23:36 6670ms 4 NS 1 A 3 MX 🔓 Insecure View
2026-07-02 00:43:32 5285ms 4 NS 1 A 3 MX 🔓 Insecure View
2026-06-17 08:24:35 450ms 4 NS 1 A 3 MX 🔓 Insecure View
2026-06-17 08:24:18 3230ms 4 NS 1 A 3 MX 🔓 Insecure View
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