aerzen.dk
Last scanned: 2026-07-01 23:53:30  ·  1122ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   66ms
NameserverIP addressesPTRASN / ISP
ns01.online4u.no 185.243.217.70 ns01.online4u.no AS56655 Gigahost AS
ns02.online4u.no 64.28.8.34 34.32-47.8.28.64.in-addr.arpa AS2116 Globalconnect As
🌍 A Records1 records   59ms
IPTTLPTRASNISP / OrgCIDRCountryCity
64.28.8.35 3600s 35.32-47.8.28.64.in-addr.arpa
ww01.online4u.no		 AS2116 Globalconnect As 64.28.0.0/19 🇳🇴 Norway Oslo
📧 MX Records1 records   68ms
PriorityTTLMail ServerIP addressesPTRASN
0 3600s aerzen-dk.mail.protection.outlook.com 2a01:111:f403:ca04::4
2a01:111:f403:ca09::3
2a01:111:f403:ca09::4
2a01:111:f403:ca09::e
52.101.68.39
52.101.73.15
52.101.73.153
52.101.73.26		 mail-db4pr02cu00204.inbound.protection.outlook.com
mail-am6pr04cu00303.inbound.protection.outlook.com
mail-am0pr04cu00504.inbound.protection.outlook.com
mail-am7pr05cu00206.inbound.protection.outlook.com
mail-db7pr03cu00607.inbound.protection.outlook.com
mail-am9pr04cu00107.inbound.protection.outlook.com
mail-as8pr05cu00401.inbound.protection.outlook.com
mail-as9pr05cu01302.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 → 40.104.116.56
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records2 records   201ms
TXT Record
MS=ms18060710
v=spf1 include:spf.protection.outlook.com -all
✉️ SPF
PolicyRecord (aerzen.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)
🔐 DNSSEC128ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA43ms
FieldValue
Serial2022040104
Primary NS (MNAME)ns01.online4u.no
Responsible (RNAME)niclas@fahrstedt.aerzen.se
Refresh1200s
Retry600s
Expire1209600s
Minimum (neg-cache TTL)3600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
66ms
A
59ms
MX
68ms
AAAA
56ms
TXT
201ms
CAA
60ms
HTTPS
73ms
TLSA
235ms
SOA
43ms
MTA-STS
62ms
DNSSEC
128ms
SRV
87ms
Total
1122ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-07-01 23:53:30 1122ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-06-16 12:55:00 1680ms 2 NS 1 A 1 MX 🔓 Insecure View
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