programming-as-science.dk
📜 Historical scan 2026-06-17 21:44:23  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   77ms
NameserverIP addressesPTRASN / ISP
ns1.digitalocean.com 172.64.52.210
2606:4700:52::ac40:34d2		 ns1.digitalocean.com
ns1.digitalocean.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
ns2.digitalocean.com 172.64.53.21
2606:4700:5a::ac40:3515		 ns2.digitalocean.com
ns2.digitalocean.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
ns3.digitalocean.com 172.64.49.209
2606:4700:52::ac40:31d1		 ns3.digitalocean.com
ns3.digitalocean.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
🌍 A Records1 records   77ms
IPTTLPTRASNISP / OrgCIDRCountryCity
178.128.243.4 — — AS14061 DigitalOcean, LLC 178.128.0.0/16 🇳🇱 The Netherlands Amsterdam
📧 MX Records
📧
No MX records found
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover178.128.243.4
🔶 Autoconfig178.128.243.4
🔷 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
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC88ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA90ms
FieldValue
Serial0
Primary NS (MNAME)ns1.digitalocean.com
Responsible (RNAME)hostmaster@programming-as-science.dk
Refresh10800s
Retry3600s
Expire604800s
Minimum (neg-cache TTL)1800s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
77ms
A
77ms
MX
89ms
AAAA
62ms
TXT
392ms
CAA
59ms
HTTPS
70ms
TLSA
80ms
SOA
90ms
MTA-STS
63ms
DNSSEC
88ms
SRV
148ms
Total
804ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 13:15:21 874ms 3 NS 1 A 0 MX 🔓 Insecure View
2026-08-26 00:20:31 2576ms 3 NS 1 A 0 MX 🔓 Insecure View
2026-06-26 07:47:38 832ms 3 NS 1 A 0 MX 🔓 Insecure View
2026-06-21 01:02:55 516ms 3 NS 1 A 0 MX 🔓 Insecure View
2026-06-17 21:44:23 804ms 3 NS 1 A 0 MX 🔓 Insecure View
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