dfdadministration.dk
📜 Historical scan 2026-06-17 02:35:43  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   25ms
NameserverIP addressesPTRASN / ISP
ns01.one.com — — —
ns02.one.com — — —
🌍 A Records1 records   27ms
IPTTLPTRASNISP / OrgCIDRCountryCity
178.33.221.84 — ip84.ip-178-33-221.eu AS16276 OVH SAS 178.32.0.0/15 🇫🇷 France —
📧 MX Records1 records   25ms
PriorityTTLMail ServerIP addressesPTRASN
0 — dfdadministration-dk.mail.protection.outlook.com 52.101.68.25
52.101.73.12
52.101.73.24
52.101.73.28		 mail-db8pr02cu00101.inbound.protection.outlook.com
mail-am4pr0401cu00104.inbound.protection.outlook.com
mail-as8pr05cu00300.inbound.protection.outlook.com
mail-am7pr05cu00204.inbound.protection.outlook.com		 AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records2 records   116ms
TXT Record
MS=ms39740650
v=spf1 include:spf.protection.outlook.com -all
✉️ SPF
PolicyRecord (dfdadministration.dk)
-all (hard fail) v=spf1 include:spf.protection.outlook.com -all
📨 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)
🔐 DNSSEC110ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA25ms
FieldValue
Serial2026061001
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
25ms
A
27ms
MX
25ms
AAAA
26ms
TXT
116ms
CAA
24ms
HTTPS
25ms
TLSA
180ms
SOA
25ms
MTA-STS
80ms
DNSSEC
110ms
SRV
0ms
Total
683ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-25 19:37:05 3325ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-25 00:49:31 5188ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-09 20:01:41 1733ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-17 03:57:51 5665ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-15 10:04:47 1557ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-29 08:03:45 705ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-28 07:05:00 1864ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-25 20:58:38 1512ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-25 01:50:17 1614ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-17 02:35:43 683ms 2 NS 1 A 1 MX 🔒 Secure View
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