sikker-mail.dk
Last scanned: 2026-08-26 12:58:29  ·  804ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   41ms
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
78.153.161.181 43200s — AS31027 GlobalConnect A/S 78.153.160.0/19 🇩🇰 Denmark Tilst
📧 MX Records2 records   45ms
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 Records2 records   164ms
TXT Record
nms-domain-verification=547291309026
v=spf1 include:_spf.staysecuregroup.com ~all
✉️ SPF
PolicyRecord (sikker-mail.dk)
~all (soft fail) v=spf1 include:_spf.staysecuregroup.com ~all
📨 DMARC
PolicyRecord (_dmarc.sikker-mail.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)
🔐 DNSSEC82ms
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
41ms
A
53ms
MX
45ms
AAAA
41ms
TXT
164ms
CAA
47ms
HTTPS
47ms
TLSA
265ms
SOA
0ms
MTA-STS
55ms
DNSSEC
82ms
SRV
67ms
Total
804ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-26 12:58:29 804ms 2 NS 1 A 2 MX 🔒 Secure View
2026-07-29 09:32:23 7198ms 2 NS 1 A 2 MX 🔒 Secure View
2026-07-26 15:56:46 7214ms 2 NS 1 A 2 MX 🔒 Secure View
2026-07-04 23:29:55 1138ms 2 NS 1 A 2 MX 🔒 Secure View
2026-06-21 08:36:38 512ms 2 NS 1 A 2 MX ⚠️ Bogus View
2026-06-17 19:27:57 845ms 2 NS 1 A 2 MX 🔒 Secure View
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