observatorium.dk
Last scanned: 2026-08-26 05:27:16  ·  889ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   46ms
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   52ms
IPTTLPTRASNISP / OrgCIDRCountryCity
79.142.235.3 43200s 79.142.235.3.static.router3.bolignet.dk AS44134 Bolignet A/s 79.142.224.0/20 🇩🇰 Denmark Brønshøj
📧 MX Records1 records   48ms
PriorityTTLMail ServerIP addressesPTRASN
0 300s .  Null MX — domain accepts no email (RFC 7505)
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscoverobservatorium.dk → 79.142.235.3
🔶 Autoconfigobservatorium.dk → 79.142.235.3
🔷 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
CNAME _acme-challenge.observatorium.dk observatorium.dk
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC90ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026082001
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
46ms
A
52ms
MX
48ms
AAAA
45ms
TXT
190ms
CAA
60ms
HTTPS
52ms
TLSA
330ms
SOA
0ms
MTA-STS
57ms
DNSSEC
90ms
SRV
66ms
Total
889ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-26 05:27:16 889ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-20 23:53:20 1769ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-21 01:12:24 798ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-29 22:50:28 650ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-21 20:18:27 686ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-21 13:13:40 1110ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-21 07:54:44 1235ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-18 14:04:01 5047ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-17 15:34:23 820ms 2 NS 1 A 0 MX 🔒 Secure View
dhd.dk [/] search Domains, Hosts & DNS — .dk zone