sikker-email.dk
Last scanned: 2026-08-28 04:32:00  ·  1353ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   62ms
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   47ms
IPTTLPTRASNISP / OrgCIDRCountryCity
78.153.161.181 43200s — AS31027 GlobalConnect A/S 78.153.160.0/19 🇩🇰 Denmark Tilst
📧 MX Records2 records   50ms
PriorityTTLMail ServerIP addressesPTRASN
10 43200s hallerup-dk.mx1.staysecuregroup.com 192.162.219.155
2a01:77c0:1619:4100:6fa6:1315:2bd2:51cd		 mx41.electric.net
mx11.electric.net		 AS16509 Amazon.com, Inc.
AS16509 Amazon.com, Inc.
20 43200s hallerup-dk.mx2.staysecuregroup.net 192.162.219.49
2a01:77c0:1619:4101:d99:c22:fb4d:290e		 mx41.electric.net
mx10.electric.net		 AS16509 Amazon.com, Inc.
AS16509 Amazon.com, Inc.
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   233ms
TXT Record
v=spf1 include:_spf.staysecuregroup.com ~all
✉️ SPF
PolicyRecord (sikker-email.dk)
~all (soft fail) v=spf1 include:_spf.staysecuregroup.com ~all
📨 DMARC
PolicyRecord (_dmarc.sikker-email.dk)
p=none (monitor only) v=DMARC1; p=none;
📬 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)
🔐 DNSSEC132ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026040401
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
62ms
A
47ms
MX
50ms
AAAA
52ms
TXT
233ms
CAA
60ms
HTTPS
89ms
TLSA
434ms
SOA
0ms
MTA-STS
105ms
DNSSEC
132ms
SRV
100ms
Total
1353ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-28 04:32:00 1353ms 2 NS 1 A 2 MX 🔒 Secure View
2026-07-02 10:19:07 1895ms 2 NS 1 A 2 MX 🔒 Secure View
2026-06-24 05:21:38 624ms 2 NS 1 A 2 MX ⚠️ Bogus View
2026-06-23 00:19:45 1146ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-21 01:58:28 3179ms 2 NS 1 A 2 MX 🔒 Secure View
2026-06-17 14:46:48 2950ms 2 NS 1 A 2 MX 🔒 Secure View
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