890.dk
Last scanned: 2026-08-26 12:07:27  ·  474ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers4 records   25ms
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 Records
🌍
No A records found
📧 MX Records2 records   30ms
PriorityTTLMail ServerIP addressesPTRASN
10 600s mail-ex1.890.dk 194.11.26.201 mail-ex1.890.dk AS216313 Completnet ApS
20 600s mail-ex2.890.dk 194.11.26.202 mail-ex2.890.dk AS216313 Completnet ApS
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   78ms
TXT Record
v=spf1 mx -all
✉️ SPF
PolicyRecord (890.dk)
-all (hard fail) v=spf1 mx -all
📨 DMARC
PolicyRecord (_dmarc.890.dk)
p=reject v=DMARC1; p=reject; pct=100; rua=mailto:dmarc@890.dk; ruf=mailto:dmarc@890.dk; sp=reject; aspf=r
📬 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)
🔐 DNSSEC102ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsresolution failed: ncache nxrrset
🏷️ SOA0ms
FieldValue
Serial2026082601
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
25ms
A
23ms
MX
30ms
AAAA
26ms
TXT
78ms
CAA
29ms
HTTPS
21ms
TLSA
31ms
SOA
0ms
MTA-STS
34ms
DNSSEC
102ms
SRV
29ms
Total
474ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-26 12:07:27 474ms 4 NS 0 A 2 MX 🔒 Secure View
2026-07-14 12:35:45 8725ms 4 NS 0 A 2 MX 🔒 Secure View
2026-06-28 12:45:45 1376ms 4 NS 0 A 2 MX 🔒 Secure View
2026-06-27 19:22:00 645ms 4 NS 0 A 2 MX 🔒 Secure View
2026-06-22 22:49:39 668ms 4 NS 0 A 2 MX 🔒 Secure View
2026-06-22 15:16:19 1019ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-16 12:47:03 904ms 4 NS 0 A 2 MX 🔒 Secure View
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