a-ostergaard.dk

📜 Historical scan 2026-06-16 12:55:00 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

a-ostergaard.dk is a .dk domain served by 4 nameservers (ns1-35.azure-dns.com, ns2-35.azure-dns.net, ns3-35.azure-dns.org and 1 more). It was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by aostergaard-dk0c.mail.protection.outlook.com. The zone is not DNSSEC-signed, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

4 records 110ms

Nameserver	IP addresses	PTR	ASN / 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 Records#

1 records 126ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
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 Records#

1 records 1076ms

TXT Record
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-09 13:23:20

www	NXDOMAIN
www vs bare domain	Neither resolves a-ostergaard.dk: no address www.a-ostergaard.dk: no address
Wildcard	No

✍️ DKIM keys#

2 found

Selector	CNAME	Key
selector1	selector1-aostergaard-dk0c._domainkey.aostergaard.q-v1.dkim.mail.microsoft	RSA · ~2048 bit
selector2	selector2-aostergaard-dk0c._domainkey.aostergaard.q-v1.dkim.mail.microsoft	RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

282ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	resolution failed: ncache nxrrset

🏷️ SOA#

82ms

Field	Value
Serial	1
Primary NS (MNAME)	ns1-35.azure-dns.com
Responsible (RNAME)	azuredns-hostmaster@microsoft.com
Refresh	3600s
Retry	300s
Expire	2419200s
Minimum (neg-cache TTL)	300s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

110ms

178ms

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 At	Duration	Records	DNSSEC
2026-08-26 15:51:26	1331ms	4 NS 0 A 1 MX	🔓 Insecure
2026-07-01 17:47:04	1311ms	4 NS 0 A 1 MX	🔓 Insecure
2026-06-23 18:39:40	1149ms	4 NS 0 A 1 MX	🔓 Insecure
2026-06-23 13:31:12	965ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-16 12:55:00 shown	2397ms	4 NS 0 A 1 MX	🔓 Insecure