sterobo.dk
Last scanned: 2026-08-27 16:38:23  ·  706ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   37ms
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   39ms
IPTTLPTRASNISP / OrgCIDRCountryCity
80.160.71.92 900s — AS3292 TDC Holding A/S 80.160.0.0/13 🇩🇰 Denmark Frederiksberg
📧 MX Records1 records   44ms
PriorityTTLMail ServerIP addressesPTRASN
0 900s sterobo-dk.mail.eo.outlook.com 2a01:111:f403:ca04::7
2a01:111:f403:ca04::8
2a01:111:f403:ca09::7
2a01:111:f403:ca09::8
52.101.103.143
52.101.68.18
52.101.68.3
52.101.73.6		 mail-db4pr02cu00307.inbound.protection.outlook.com
mail-db5pr02cu00100.inbound.protection.outlook.com
mail-am9pr04cu00107.inbound.protection.outlook.com
mail-as2pr05cu00100.inbound.protection.outlook.com
mail-miypr03cu00107.inbound.protection.outlook.com
mail-db4pr02cu00302.inbound.protection.outlook.com
mail-db7pr03cu00403.inbound.protection.outlook.com
mail-am6pr04cu00306.inbound.protection.outlook.com		 AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscoverautodiscover.outlook.com → 40.104.116.8
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records2 records   175ms
TXT Record
MS=ms80508519
v=spf1 include:spf.protection.outlook.com -all
✉️ SPF
PolicyRecord (sterobo.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)
🔐 DNSSEC92ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026030701
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
37ms
A
39ms
MX
44ms
AAAA
47ms
TXT
175ms
CAA
42ms
HTTPS
38ms
TLSA
79ms
SOA
0ms
MTA-STS
73ms
DNSSEC
92ms
SRV
70ms
Total
706ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 16:38:23 706ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-25 04:44:04 4723ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-18 03:13:24 3167ms 2 NS 1 A 1 MX 🔒 Secure View
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