esl-foreningen.dk
Last scanned: 2026-08-28 05:25:31  ·  735ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers4 records   40ms
NameserverIP addressesPTRASN / ISP
ns1.c1.sdc-hosting.com 185.152.201.34 backup004.c1.nordic-backup.com AS202567 Secure Data Center Aps
ns1.c2.sdc-hosting.com 185.152.200.31 backup001.c2.nordic-backup.com AS202567 Secure Data Center Aps
ns1.c3.sdc-hosting.com 38.77.132.2 ns1.c3.nordic-backup.com AS174 Cogent Communications, LLC
ns1.c4.sdc-hosting.com 38.77.132.3 ns1.c4.nordic-backup.com AS174 Cogent Communications, LLC
🌍 A Records1 records   173ms
IPTTLPTRASNISP / OrgCIDRCountryCity
185.20.205.16 86400s linux347.unoeuro.com AS48854 team.blue Denmark A/S 185.20.204.0/22 🇩🇰 Denmark —
📧 MX Records3 records   48ms
PriorityTTLMail ServerIP addressesPTRASN
10 86400s mail1.c1.sdc-hosting.com 185.152.201.6
185.152.201.6
185.152.201.6		 mailrelay1.c1.sdc-hosting.com
mail1.c1.securedatacenter.dk
mail1.c1.sdc-hosting.com		 AS202567 Secure Data Center Aps
AS202567 Secure Data Center Aps
AS202567 Secure Data Center Aps
10 86400s mail1.c2.sdc-hosting.com 185.152.200.6
185.152.200.6
185.152.200.6		 mailrelay1.c2.sdc-hosting.com
mail1.c2.securedatacenter.dk
mail1.c2.sdc-hosting.com		 AS202567 Secure Data Center Aps
AS202567 Secure Data Center Aps
AS202567 Secure Data Center Aps
20 86400s 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)
🔐 DNSSEC94ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial97
Primary NS (MNAME)ns1.c1.sdc-hosting.com
Responsible (RNAME)support@sdc-hosting.com
Refresh900s
Retry300s
Expire1209600s
Minimum (neg-cache TTL)86400s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
40ms
A
173ms
MX
48ms
AAAA
192ms
TXT
235ms
CAA
46ms
HTTPS
39ms
TLSA
72ms
SOA
0ms
MTA-STS
91ms
DNSSEC
94ms
SRV
189ms
Total
735ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-28 05:25:31 735ms 4 NS 1 A 3 MX 🔓 Insecure View
2026-07-03 00:08:59 4651ms 4 NS 1 A 3 MX 🔓 Insecure View
2026-06-27 23:57:41 1419ms 4 NS 1 A 3 MX 🔓 Insecure View
2026-06-20 15:08:29 1255ms 4 NS 1 A 3 MX 🔓 Insecure View
2026-06-17 08:25:19 507ms 4 NS 1 A 3 MX 🔓 Insecure View
2026-06-17 08:24:26 722ms 4 NS 1 A 3 MX 🔓 Insecure View
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