programmersheaven.dk
📜 Historical scan 2026-06-27 07:49:49  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   211ms
NameserverIP addressesPTRASN / ISP
ns01.one.com 195.206.121.10
2001:67c:28cc::10		 ns01.one.com
ns01.one.com		 AS197495 One.com A/S
AS197495 One.com A/S
ns02.one.com 185.10.11.10
2001:67c:3c0::10		 ns02.one.com
ns02.one.com		 AS51468 One.com A/S
AS51468 One.com A/S
🌍 A Records1 records   191ms
IPTTLPTRASNISP / OrgCIDRCountryCity
217.116.232.220 43200s 220.giga-ptr.232.116.217.in-addr.arpa
web20.gigahost.dk		 AS47292 Sentia Denmark A/S 217.116.224.0/20 🇩🇰 Denmark —
📧 MX Records1 records   206ms
PriorityTTLMail ServerIP addressesPTRASN
0 300s .  Null MX — domain accepts no email (RFC 7505)
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover217.116.232.220
🔶 Autoconfig217.116.232.220
🔷 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)
🔐 DNSSEC496ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA235ms
FieldValue
Serial2026062401
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)hostmaster@one.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
211ms
A
191ms
MX
206ms
AAAA
204ms
TXT
621ms
CAA
254ms
HTTPS
241ms
TLSA
104ms
SOA
235ms
MTA-STS
238ms
DNSSEC
496ms
SRV
249ms
Total
1451ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-09-01 21:34:53 516ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-26 17:29:51 1020ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-20 07:16:35 4820ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-26 16:34:41 680ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-27 07:49:49 1451ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-24 11:07:31 1112ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-22 10:56:46 1163ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-17 20:23:08 527ms 2 NS 1 A 0 MX 🔒 Secure View
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