geertsen.dk
Last scanned: 2026-08-28 02:00:59  ·  929ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   52ms
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   48ms
IPTTLPTRASNISP / OrgCIDRCountryCity
185.93.193.101 43200s mail.geertsen.dk AS62121 Christian Ebsen ApS 185.93.192.0/22 🇩🇰 Denmark —
📧 MX Records1 records   52ms
PriorityTTLMail ServerIP addressesPTRASN
10 43200s mail.geertsen.dk 185.93.193.101 mail.geertsen.dk AS62121 Christian Ebsen ApS
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover185.93.193.101
🔶 Autoconfig185.93.193.101
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   267ms
TXT Record
v=spf1 mx a -all
✉️ SPF
PolicyRecord (geertsen.dk)
-all (hard fail) v=spf1 mx a -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)
🔐 DNSSEC106ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026081201
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
52ms
A
48ms
MX
52ms
AAAA
53ms
TXT
267ms
CAA
48ms
HTTPS
64ms
TLSA
260ms
SOA
0ms
MTA-STS
68ms
DNSSEC
106ms
SRV
77ms
Total
929ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-28 02:00:59 929ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-14 17:01:25 855ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-19 09:23:19 774ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-15 01:40:05 711ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-26 01:13:12 659ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-25 00:14:46 1621ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-20 14:59:20 914ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-17 10:30:43 538ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-17 10:24:25 678ms 2 NS 1 A 1 MX 🔒 Secure View
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