a-ostergaard.dk
📜 Historical scan 2026-06-16 12:55:00  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers4 records   110ms
NameserverIP addressesPTRASN / ISP
ns1-35.azure-dns.com — — —
ns2-35.azure-dns.net — — —
ns3-35.azure-dns.org — — —
ns4-35.azure-dns.info — — —
🌍 A Records
🌍
No A records found
📧 MX Records1 records   126ms
PriorityTTLMail ServerIP addressesPTRASN
0 — aostergaard-dk0c.mail.protection.outlook.com 52.101.68.12
52.101.68.25
52.101.68.36
52.101.73.15		 mail-db9pr02cu00204.inbound.protection.outlook.com
mail-db8pr02cu00101.inbound.protection.outlook.com
mail-db5pr02cu00104.inbound.protection.outlook.com
mail-am9pr04cu00107.inbound.protection.outlook.com		 AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   1076ms
TXT Record
v=spf1 include:spf.protection.outlook.com -all
✉️ SPF
PolicyRecord (a-ostergaard.dk)
-all (hard fail) v=spf1 include:spf.protection.outlook.com -all
📨 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)
🔐 DNSSEC282ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsresolution failed: ncache nxrrset
🏷️ SOA82ms
FieldValue
Serial1
Primary NS (MNAME)ns1-35.azure-dns.com
Responsible (RNAME)azuredns-hostmaster@microsoft.com
Refresh3600s
Retry300s
Expire2419200s
Minimum (neg-cache TTL)300s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
110ms
A
178ms
MX
126ms
AAAA
137ms
TXT
1076ms
CAA
227ms
HTTPS
172ms
TLSA
276ms
SOA
82ms
MTA-STS
71ms
DNSSEC
282ms
SRV
0ms
Total
2397ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-26 15:51:26 1331ms 4 NS 0 A 1 MX 🔓 Insecure View
2026-07-01 17:47:04 1311ms 4 NS 0 A 1 MX 🔓 Insecure View
2026-06-23 18:39:40 1149ms 4 NS 0 A 1 MX 🔓 Insecure View
2026-06-23 13:31:12 965ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-16 12:55:00 2397ms 4 NS 0 A 1 MX 🔓 Insecure View
dhd.dk [/] search Domains, Hosts & DNS — .dk zone