skyum.dk
📜 Historical scan 2026-06-18 05:41:03  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   25ms
🌍 A Records1 records   25ms
📧 MX Records1 records   28ms
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscoverautodiscover.outlook.com → 52.98.228.232
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
🔌 SRV Records1 records   212ms
ServicePriorityWeightPortTarget
_sipfederationtls._tcp 0 1 5061 sipfed.online.lync.com
📝 TXT Records1 records   212ms
TXT Record
v=spf1 ip4:152.115.91.130 ip4:152.115.91.133 ip4:130.226.154.162 ip4:178.79.173.123 include:spf.protection.outlook.com -all
✉️ SPF
PolicyRecord (skyum.dk)
-all (hard fail) v=spf1 ip4:152.115.91.130 ip4:152.115.91.133 ip4:130.226.154.162 ip4:178.79.173.123 include:spf.protection.outlook.com -all
📨 DMARC
PolicyRecord (_dmarc.skyum.dk)
p=quarantine v=DMARC1; p=quarantine; rua=mailto:dmarc-feedback@educant.dk; aspf=r
📬 MTA-STS
✗ No MTA-STS policy — SMTP TLS not enforced
📈 TLSRPT
✗ No TLSRPT record — no SMTP TLS failure reporting
📜 CAA Records12 records   31ms
FlagsTagValue
0 iodef mailto:support@educant.dk
0 issue comodoca.com
0 issue digicert.com; cansignhttpexchanges=yes
0 issue letsencrypt.org
0 issue pki.goog; cansignhttpexchanges=yes
0 issue rapidssl.com
0 issue ssl.com
0 issuewild comodoca.com
0 issuewild digicert.com; cansignhttpexchanges=yes
0 issuewild letsencrypt.org
0 issuewild pki.goog; cansignhttpexchanges=yes
0 issuewild ssl.com
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC106ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✓ Found
Flagsunsigned answer
🏷️ SOA44ms
FieldValue
Serial2406975066
Primary NS (MNAME)bella.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
25ms
A
25ms
MX
28ms
AAAA
27ms
TXT
212ms
CAA
31ms
HTTPS
26ms
TLSA
186ms
SOA
44ms
MTA-STS
46ms
DNSSEC
106ms
SRV
212ms
Total
1533ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 09:32:03 1697ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-08-23 13:50:05 4605ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-08-14 06:41:36 1644ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-08-01 00:59:59 2169ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-07-20 11:49:19 9322ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-07-06 04:11:38 2250ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-07-02 12:31:41 3752ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-06-18 05:41:03 1533ms 2 NS 1 A 1 MX 🔓 Insecure View
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