blue9.dk
Last scanned: 2026-08-18 04:58:10  ·  5133ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers4 records   272ms
NameserverIP addressesPTRASN / ISP
ns1.eurodns.com 199.167.66.107
2610:1c8:b002::107		 ns1.eurodns.com
ns1.eurodns.com		 AS23393 NuCDN LLC
AS23393 NuCDN LLC
ns2.eurodns.com 104.37.178.107
2610:1c8:b001::107		 ns2.eurodns.com
ns2.eurodns.com		 AS23393 NuCDN LLC
AS23393 NuCDN LLC
ns3.eurodns.com 199.167.66.108
2610:1c8:b002::108		 ns3.eurodns.com
ns3.eurodns.com		 AS23393 NuCDN LLC
AS23393 NuCDN LLC
ns4.eurodns.com 104.37.178.108
2610:1c8:b001::108		 ns4.eurodns.com
ns4.eurodns.com		 AS23393 NuCDN LLC
AS23393 NuCDN LLC
🌍 A Records
🌍
No A records found
📧 MX Records2 records   254ms
PriorityTTLMail ServerIP addressesPTRASN
10 21600s fep8.sprawl.dk 195.41.53.4 fep8.sprawl.dk AS3292 TDC Holding A/S
20 21600s relay.inet.tele.dk 194.182.148.151
194.182.148.158		 mail-in2.inet.tele.dk
mail-in1.inet.tele.dk		 AS3292 TDC Holding A/S
AS3292 TDC Holding A/S
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   886ms
TXT Record
v=spf1 include:mail.dk -all
✉️ SPF
PolicyRecord (blue9.dk)
-all (hard fail) v=spf1 include:mail.dk -all
📨 DMARC
PolicyRecord (_dmarc.blue9.dk)
p=reject v=DMARC1; p=reject; sp=reject; fo=1; rua=mailto:cv1zdpyr@ag.eu.dmarcian.com; ruf=mailto:cv1zdpyr@fr.eu.dmarcian.com;
📬 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)
🔐 DNSSEC394ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsresolution failed: ncache nxrrset
🏷️ SOA0ms
FieldValue
Serial2026011440
Primary NS (MNAME)ns1.eurodns.com
Responsible (RNAME)hostmaster@eurodns.com
Refresh43200s
Retry7200s
Expire1209600s
Minimum (neg-cache TTL)86400s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
272ms
A
259ms
MX
254ms
AAAA
255ms
TXT
886ms
CAA
262ms
HTTPS
256ms
TLSA
427ms
SOA
0ms
MTA-STS
347ms
DNSSEC
394ms
SRV
324ms
Total
5133ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-18 04:58:10 5133ms 4 NS 0 A 2 MX 🔒 Secure View
2026-08-16 23:00:24 3685ms 4 NS 0 A 2 MX 🔒 Secure View
2026-08-02 11:40:55 2914ms 4 NS 0 A 2 MX 🔒 Secure View
2026-07-12 20:53:03 1217ms 4 NS 0 A 2 MX 🔒 Secure View
2026-07-01 19:45:04 1978ms 4 NS 0 A 2 MX 🔒 Secure View
2026-06-23 04:35:37 1249ms 4 NS 0 A 2 MX 🔒 Secure View
2026-06-16 15:13:21 1659ms 4 NS 0 A 2 MX 🔒 Secure View
2026-06-16 15:07:35 776ms 4 NS 0 A 2 MX 🔒 Secure View
2026-06-16 15:06:14 3474ms 4 NS 0 A 2 MX 🔒 Secure View
2026-06-16 15:01:16 2438ms 4 NS 0 A 2 MX 🔒 Secure View
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