operandum.dk
📜 Historical scan 2026-06-18 02:04:09  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   251ms
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   201ms
IPTTLPTRASNISP / OrgCIDRCountryCity
217.116.232.222 — 222.giga-ptr.232.116.217.in-addr.arpa
web22.gigahost.dk		 AS47292 Sentia Denmark A/S 217.116.224.0/20 🇩🇰 Denmark —
📧 MX Records5 records   210ms
PriorityTTLMail ServerIP addressesPTRASN
10 — aspmx.l.google.com 142.251.9.27
2a00:1450:4025:c03::1b		 rc-in-f27.1e100.net
rc-in-f27.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
20 — alt1.aspmx.l.google.com 192.178.211.26
2404:6800:4000:1025::1a		 lcbomp-in-f26.1e100.net
lcbomp-in-f26.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
20 — alt2.aspmx.l.google.com 172.253.158.27
2404:6800:4003:c26::1b		 so-in-f27.1e100.net
so-in-f27.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
30 — aspmx2.googlemail.com 192.178.158.27
2404:6800:4013:813::1b		 lcdels-in-f27.1e100.net
lcdels-in-f27.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
30 — aspmx3.googlemail.com 192.178.158.26
2404:6800:4003:c26::1a		 lcdels-in-f26.1e100.net
so-in-f26.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover217.116.232.222
🔶 Autoconfig217.116.232.222
🔷 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)
🔐 DNSSEC416ms
CheckResult
Validation Status⚠️ Bogus
AD Flag (resolver validates)✗ Not set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsbroken trust chain resolving 'operandum.dk/A/IN': 127.0.0.1#53
🏷️ SOA245ms
FieldValue
Serial2026032501
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
251ms
A
201ms
MX
210ms
AAAA
210ms
TXT
460ms
CAA
304ms
HTTPS
245ms
TLSA
393ms
SOA
245ms
MTA-STS
288ms
DNSSEC
416ms
SRV
365ms
Total
3186ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-06-28 16:18:33 713ms 2 NS 1 A 5 MX 🔒 Secure View
2026-06-18 02:04:09 3186ms 2 NS 1 A 5 MX ⚠️ Bogus View
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