erik-oestergaard.dk
Last scanned: 2026-09-04 05:09:45  ·  819ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   28ms
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   22ms
IPTTLPTRASNISP / OrgCIDRCountryCity
193.8.38.9 3600s — AS48854 team.blue Denmark A/S 193.8.38.0/24 🇩🇰 Denmark —
📧 MX Records2 records   32ms
PriorityTTLMail ServerIP addressesPTRASN
10 3600s mx1.onlinemail.io 185.21.42.12 mx1.onlinemail.io AS48854 team.blue Denmark A/S
20 3600s mx2.onlinemail.io 46.36.208.16 mx2.onlinemail.io AS48854 team.blue Denmark A/S
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscoverautodiscover-mf.onlinemail.io → 185.21.40.62
🔶 Autoconfigautoconfig-mf.onlinemail.io → 185.21.40.62
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records
📝
No TXT records found
✉️ SPF
✗ No SPF record — mail spoofing not restricted
📨 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)
🔐 DNSSEC103ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026090301
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)hostmaster@one.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s
📋 RegistrationWHOIS fetched 2026-07-03 13:06:43
FieldValue
RegistrarONE.COM A/S
Registered2021-08-23
Expires2026-08-31 (expired)
📋 WHOIS
⏱️ Lookup Timing
NS
28ms
A
22ms
MX
32ms
AAAA
27ms
TXT
105ms
CAA
31ms
HTTPS
32ms
TLSA
58ms
SOA
0ms
MTA-STS
40ms
DNSSEC
103ms
SRV
194ms
Total
819ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-09-04 05:09:45 819ms 2 NS 1 A 2 MX 🔒 Secure View
2026-08-28 01:33:01 719ms 2 NS 1 A 2 MX 🔒 Secure View
2026-08-17 23:07:21 4695ms 2 NS 1 A 2 MX 🔒 Secure View
2026-08-07 15:46:02 1474ms 2 NS 1 A 2 MX 🔒 Secure View
2026-07-21 22:55:49 8588ms 2 NS 1 A 2 MX 🔒 Secure View
2026-07-03 13:06:32 2072ms 2 NS 1 A 2 MX 🔒 Secure View
2026-06-26 09:32:14 548ms 2 NS 1 A 2 MX 🔓 Insecure View
2026-06-17 08:10:06 625ms 2 NS 1 A 4 MX 🔓 Insecure View
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