helkjaer.dk
Last scanned: 2026-08-21 06:29:58  ·  11061ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   42ms
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   53ms
IPTTLPTRASNISP / OrgCIDRCountryCity
62.243.72.6 3600s — AS3292 TDC Holding A/S 62.242.0.0/15 🇩🇰 Denmark Copenhagen
📧 MX Records1 records   43ms
PriorityTTLMail ServerIP addressesPTRASN
0 3600s helkjaer-dk.mail.protection.outlook.com 2a01:111:f403:ca04::1
2a01:111:f403:ca04::8
2a01:111:f403:ca04::b
2a01:111:f403:ca09::f
52.101.68.36
52.101.73.12
52.101.73.16
52.101.73.22		 mail-db7pr03cu00401.inbound.protection.outlook.com
—
mail-dbbpr03cu00103.inbound.protection.outlook.com
mail-am7pr05cu00307.inbound.protection.outlook.com
mail-db5pr02cu00104.inbound.protection.outlook.com
mail-am4pr0401cu00104.inbound.protection.outlook.com
mail-as2pr05cu00100.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 Records1 records   171ms
TXT Record
v=spf1 include:spf.protection.outlook.com -all
✉️ SPF
PolicyRecord (helkjaer.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)
🔐 DNSSEC89ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA41ms
FieldValue
Serial2026081401
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
42ms
A
53ms
MX
43ms
AAAA
46ms
TXT
171ms
CAA
43ms
HTTPS
50ms
TLSA
2041ms
SOA
41ms
MTA-STS
79ms
DNSSEC
89ms
SRV
60ms
Total
11061ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-21 06:29:58 11061ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-15 00:49:07 6090ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-15 00:31:51 11812ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-17 11:15:53 1436ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-17 11:11:03 1174ms 2 NS 1 A 1 MX 🔒 Secure View
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