frederichsen.dk
Last scanned: 2026-08-26 19:32:44  ·  3267ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   49ms
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   45ms
IPTTLPTRASNISP / OrgCIDRCountryCity
46.30.215.157 3600s webcluster1.webpod17-cph3.one.com AS51468 One.com A/S 46.30.208.0/21 🇩🇰 Denmark Copenhagen
📧 MX Records2 records   51ms
PriorityTTLMail ServerIP addressesPTRASN
10 600s mx11.hostmailserver.com 38.107.69.20 outmx11.hostmailserver.com AS174 Cogent Communications, LLC
20 600s mx12.hostmailserver.com 204.145.70.39
204.145.70.39		 outmx12.hostmailserver.com
katalystpartners.dmarc.lga1.atlanticmetro.net		 AS29838 Atlantic Metro Communications II, Inc.
AS29838 Atlantic Metro Communications II, Inc.
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover46.30.215.157
🔶 Autoconfig46.30.215.157
🔷 AAAA Records (IPv6)1 records   47ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2a02:2350:5:106:e8:9d3a:8d15:84a3 3600s — AS51468 One.com A/S 2a02:2350:0:0:0:0:0:0/32 🇩🇰 Denmark Copenhagen
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   180ms
TXT Record
v=spf1 a mx include:spf.dataoncloud.com -all
✉️ SPF
PolicyRecord (frederichsen.dk)
-all (hard fail) v=spf1 a mx include:spf.dataoncloud.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)
🔐 DNSSEC2094ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026081905
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
49ms
A
45ms
MX
51ms
AAAA
47ms
TXT
180ms
CAA
41ms
HTTPS
48ms
TLSA
315ms
SOA
0ms
MTA-STS
73ms
DNSSEC
2094ms
SRV
70ms
Total
3267ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-26 19:32:44 3267ms 2 NS 1 A 2 MX 🔒 Secure View
2026-08-19 23:46:32 1339ms 2 NS 1 A 2 MX 🔒 Secure View
2026-08-13 01:51:10 2879ms 2 NS 1 A 2 MX 🔒 Secure View
2026-07-25 11:29:06 9123ms 2 NS 1 A 2 MX 🔒 Secure View
2026-06-25 23:21:50 1574ms 2 NS 1 A 2 MX 🔒 Secure View
2026-06-22 04:28:12 3012ms 2 NS 1 A 2 MX 🔒 Secure View
2026-06-22 00:41:59 861ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-20 20:02:42 2406ms 2 NS 1 A 2 MX 🔒 Secure View
2026-06-17 10:36:47 1763ms 2 NS 1 A 2 MX 🔒 Secure View
2026-06-17 10:30:08 1595ms 2 NS 1 A 2 MX 🔒 Secure View
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