ostby.dk
Last scanned: 2026-09-03 19:53:10  ·  389ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   37ms
NameserverIP addressesPTRASN / ISP
aron.ns.cloudflare.com 108.162.192.69
172.64.32.69
173.245.58.69
2606:4700:50::adf5:3a45
2803:f800:50::6ca2:c045
2a06:98c1:50::ac40:2045		 aron.ns.cloudflare.com
aron.ns.cloudflare.com
aron.ns.cloudflare.com
aron.ns.cloudflare.com
aron.ns.cloudflare.com
aron.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
burt.ns.cloudflare.com 108.162.193.79
172.64.33.79
173.245.59.79
2606:4700:58::adf5:3b4f
2803:f800:50::6ca2:c14f
2a06:98c1:50::ac40:214f		 burt.ns.cloudflare.com
burt.ns.cloudflare.com
burt.ns.cloudflare.com
burt.ns.cloudflare.com
burt.ns.cloudflare.com
burt.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
🌍 A Records
🌍
No A records found
📧 MX Records
📧
No MX records found
🔷 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
🔏 ACME Challenge
TypeNameValue
TXT _acme-challenge.ostby.dk BE8xYELXMTK_9hvpHUTGRZ1ktKyG154scei8jPvials
TXT _acme-challenge.ostby.dk ZUbk1ewU8GIToN25oPsMEvr5JL4BsGPp31VDtQw0nbE
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC96ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsresolution failed: ncache nxrrset
🏷️ SOA0ms
FieldValue
Serial2413792675
Primary NS (MNAME)aron.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
37ms
A
26ms
MX
32ms
AAAA
20ms
TXT
142ms
CAA
20ms
HTTPS
31ms
TLSA
34ms
SOA
0ms
MTA-STS
59ms
DNSSEC
96ms
SRV
47ms
Total
389ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-09-03 19:53:10 389ms 2 NS 0 A 0 MX 🔓 Insecure View
2026-08-06 22:20:02 1385ms 2 NS 0 A 0 MX 🔓 Insecure View
2026-08-02 14:17:18 676ms 2 NS 0 A 0 MX 🔓 Insecure View
2026-06-26 12:14:34 1632ms 2 NS 0 A 0 MX 🔓 Insecure View
2026-06-20 17:50:30 710ms 2 NS 0 A 0 MX 🔓 Insecure View
2026-06-18 03:18:10 755ms 2 NS 0 A 0 MX 🔓 Insecure View
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