alff.dk
📜 Historical scan 2026-06-16 12:39:26  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   56ms
NameserverIP addressesPTRASN / ISP
ns01.one.com — — —
ns02.one.com — — —
🌍 A Records1 records   50ms
IPTTLPTRASNISP / OrgCIDRCountryCity
46.30.215.129 — webcluster1.webpod17-cph3.one.com AS51468 One.com A/S 46.30.208.0/21 🇩🇰 Denmark —
📧 MX Records1 records   40ms
PriorityTTLMail ServerIP addressesPTRASN
10 — alff-dk.mail.protection.outlook.com 52.101.68.25
52.101.68.3
52.101.68.36
52.101.73.1		 mail-db8pr02cu00101.inbound.protection.outlook.com
mail-db7pr03cu00403.inbound.protection.outlook.com
mail-db5pr02cu00104.inbound.protection.outlook.com
mail-am3pr04cu00501.inbound.protection.outlook.com		 AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
🔷 AAAA Records (IPv6)1 records   56ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2a02:2350:5:106:e:1ea0:f257:9698 — — AS51468 One.com A/S 2a02:2350::/32 🇩🇰 Denmark Copenhagen
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records3 records   155ms
TXT Record
google-site-verification=zLyuc92r4xqieRTjaqT260juq73Kqm9bHLjUYr0ZcIE
MS=ms43768617
v=spf1 include:spf.protection.outlook.com include:spfinclude.sikkermail.dk -all
✉️ SPF
PolicyRecord (alff.dk)
-all (hard fail) v=spf1 include:spf.protection.outlook.com include:spfinclude.sikkermail.dk -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)
🔐 DNSSEC145ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA40ms
FieldValue
Serial2026060401
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
56ms
A
50ms
MX
40ms
AAAA
56ms
TXT
155ms
CAA
56ms
HTTPS
68ms
TLSA
91ms
SOA
40ms
MTA-STS
31ms
DNSSEC
145ms
SRV
0ms
Total
727ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-19 11:32:57 1503ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-06 13:31:46 5882ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-04 14:18:16 5403ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-28 01:07:12 2062ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-28 17:21:02 2732ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-24 07:13:17 2599ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-21 05:30:16 1428ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-16 12:39:26 727ms 2 NS 1 A 1 MX 🔒 Secure View
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