123456789.dk
Last scanned: 2026-08-27 07:59:13  ·  475ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers4 records   33ms
NameserverIP addressesPTRASN / ISP
ns1.simply.com 2a02:2339:1:15c::4562:4562
91.197.248.78		 ns1.simply.com
ns1.simply.com		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
ns2.simply.com 185.25.141.15
2a02:2339:4006:101::4562:4562		 ns2.simply.com
ns2.simply.com		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
ns3.simply.com 91.197.248.79 ns3.simply.com AS48854 team.blue Denmark A/S
ns4.simply.com 91.197.248.80 ns4.simply.com AS48854 team.blue Denmark A/S
🌍 A Records1 records   29ms
IPTTLPTRASNISP / OrgCIDRCountryCity
188.228.91.36 3600s 188.228.91.36.dynamic.altibox.net AS214875 Altibox Danmark AS 188.228.88.0/22 🇩🇰 Denmark Holstebro
📧 MX Records1 records   31ms
PriorityTTLMail ServerIP addressesPTRASN
10 3600s mail.123456789.dk 188.228.91.36 188.228.91.36.dynamic.altibox.net AS214875 Altibox Danmark AS
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover188.228.91.36
🔶 Autoconfig188.228.91.36
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records2 records   139ms
TXT Record
google-site-verification=K47n1CWFhZSTnxpxmnmxUOdw01CN_0tQlfXt1nEy9Hs
v=spf1 a mx a:mail.1two.dk a:mail.123456789.dk a:123456789.dk ip4:94.231.106.0/24 ip4:188.228.68.23 ip4:212.97.141.0/23 include:smtp.simply.com include:mail.123456789.dk include:123456789.dk ?all
✉️ SPF
PolicyRecord (123456789.dk)
?all (neutral) v=spf1 a mx a:mail.1two.dk a:mail.123456789.dk a:123456789.dk ip4:94.231.106.0/24 ip4:188.228.68.23 ip4:212.97.141.0/23 include:smtp.simply.com include:mail.123456789.dk include:123456789.dk ?all
📨 DMARC
PolicyRecord (_dmarc.123456789.dk)
p=none (monitor only) v=DMARC1; p=none; rua=mailto:dmarc@1two.dk
📬 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)
🔐 DNSSEC78ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2025112001
Primary NS (MNAME)ns1.simply.com
Responsible (RNAME)hostmaster@simply.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)3600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
33ms
A
29ms
MX
31ms
AAAA
32ms
TXT
139ms
CAA
37ms
HTTPS
37ms
TLSA
56ms
SOA
0ms
MTA-STS
44ms
DNSSEC
78ms
SRV
54ms
Total
475ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 07:59:13 475ms 4 NS 1 A 1 MX 🔒 Secure View
2026-06-23 16:06:48 1170ms 4 NS 1 A 1 MX 🔒 Secure View
2026-06-21 10:47:18 1190ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-16 12:43:22 556ms 4 NS 1 A 1 MX 🔒 Secure View
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