sigmablue.dk
Last scanned: 2026-09-05 02:13:24  ·  687ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   48ms
NameserverIP addressesPTRASN / ISP
ns1.desec.io 2607:f740:e633:deec::2
45.54.76.1		 ns1.desec.io
ns1.desec.io		 AS63911 NetActuate, Inc
AS63911 NetActuate, Inc
ns2.desec.org 157.53.224.1
2607:f740:e00a:deec::2		 ns2.desec.org
ns2.desec.org		 AS36217 NetActuate, Inc
AS36217 NetActuate, Inc
🌍 A Records
🌍
No A records found
📧 MX Records
📧
No MX records found
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   332ms
TXT Record
v=spf1 -all
✉️ SPF
PolicyRecord (sigmablue.dk)
-all (hard fail) v=spf1 -all
📨 DMARC
PolicyRecord (_dmarc.sigmablue.dk)
p=reject v=DMARC1; p=reject;
📬 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)
🔐 DNSSEC116ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsresolution failed: ncache nxrrset
🏷️ SOA0ms
FieldValue
Serial2025093958
Primary NS (MNAME)get.desec.io
Responsible (RNAME)get@desec.io
Refresh86400s
Retry3600s
Expire2419200s
Minimum (neg-cache TTL)3600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
48ms
A
53ms
MX
49ms
AAAA
53ms
TXT
332ms
CAA
53ms
HTTPS
45ms
TLSA
95ms
SOA
0ms
MTA-STS
92ms
DNSSEC
116ms
SRV
103ms
Total
687ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-09-05 02:13:24 687ms 2 NS 0 A 0 MX 🔒 Secure View
2026-08-28 20:11:05 988ms 2 NS 0 A 0 MX 🔒 Secure View
2026-08-27 13:22:33 785ms 2 NS 0 A 0 MX 🔒 Secure View
2026-08-21 05:03:11 960ms 2 NS 0 A 0 MX 🔒 Secure View
2026-08-15 00:22:55 8652ms 2 NS 0 A 0 MX 🔒 Secure View
2026-08-09 04:07:05 8855ms 2 NS 0 A 0 MX 🔒 Secure View
2026-08-02 18:49:47 761ms 2 NS 0 A 0 MX 🔒 Secure View
2026-07-25 00:06:43 9500ms 2 NS 0 A 0 MX 🔒 Secure View
2026-07-18 09:08:54 838ms 2 NS 0 A 0 MX 🔒 Secure View
2026-07-15 19:54:37 9495ms 2 NS 0 A 0 MX 🔒 Secure View
2026-07-03 00:21:05 10009ms 2 NS 0 A 0 MX 🔒 Secure View
2026-06-27 10:06:04 1530ms 2 NS 0 A 0 MX 🔒 Secure View
2026-06-20 22:00:19 1002ms 2 NS 0 A 0 MX 🔒 Secure View
2026-06-17 13:13:11 515ms 2 NS 0 A 0 MX 🔒 Secure View
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