el-center.dk
Last scanned: 2026-06-26 07:48:51  ·  2221ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   183ms
NameserverIP addressesPTRASN / ISP
ns1.curanet.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.curanet.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   221ms
IPTTLPTRASNISP / OrgCIDRCountryCity
162.159.134.42 3600s — AS13335 Cloudflare, Inc. 162.159.128.0/19 — —
📧 MX Records1 records   202ms
PriorityTTLMail ServerIP addressesPTRASN
0 3600s elcenter-dk0e.mail.protection.outlook.com — — —
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscoverautodiscover.outlook.com → 40.104.116.40
🔶 Autoconfig162.159.134.42
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
🔌 SRV Records1 records   479ms
ServicePriorityWeightPortTarget
_sipfederationtls._tcp 1 5061 100 sipfed.online.lync.com
📝 TXT Records2 records   565ms
TXT Record
v=DKIM1;k=rsa;p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAv4C2x4LtgBl3NnCD5SIInoQjI/jYpWYiHPAvO1XVHfvKGIeRifNMreAoCj1avZ9gq1ExFENuDXAsHu011HWnOedcs+rePVd1AdQv4JLp4rYgpV5ySg3n5FVGwlRm2+NQrLbBFspDz0HojcbioQNrLpcipZP1ir8NDizW9rJ6+jYUwlfFzKp4cnQIEKeZTcSnf
v=spf1 include:spf.protection.outlook.com include:spf.simply.com -all
✉️ SPF
PolicyRecord (el-center.dk)
-all (hard fail) v=spf1 include:spf.protection.outlook.com include:spf.simply.com -all
📨 DMARC
PolicyRecord (_dmarc.el-center.dk)
p=reject v=DMARC1; p=reject; sp=none;
📬 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
🔏 ACME Challenge
TypeNameValue
CNAME _acme-challenge.el-center.dk el-center.dk.kinstavalidation.app
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC506ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA200ms
FieldValue
Serial2026020603
Primary NS (MNAME)ns1.curanet.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
183ms
A
221ms
MX
202ms
AAAA
199ms
TXT
565ms
CAA
194ms
HTTPS
165ms
TLSA
908ms
SOA
200ms
MTA-STS
500ms
DNSSEC
506ms
SRV
479ms
Total
2221ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-06-26 07:48:51 2221ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-25 00:40:23 2089ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-17 06:37:49 1634ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-17 06:30:18 699ms 2 NS 1 A 1 MX 🔒 Secure View
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