usefullgroup.dk
📜 Historical scan 2026-06-20 07:57:13  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   294ms
NameserverIP addressesPTRASN / ISP
ns.zxcs.be 2a03:b0c0:3:d0::116:2001
46.101.179.64		 ns2.zxcs.nl
ns2.zxcs.nl		 AS14061 DigitalOcean, LLC
AS14061 DigitalOcean, LLC
ns.zxcs.eu 178.62.208.8
2a03:b0c0:2:d0::57:1001		 ns3.zxcs.nl
ns3.zxcs.nl		 AS14061 DigitalOcean, LLC
AS14061 DigitalOcean, LLC
ns.zxcs.nl 185.104.28.19
2a06:2ec0:1::10		 ns1.zxcs.nl
ns1.zxcs.nl		 AS206281 Stichting DIGI NL
AS206281 Stichting DIGI NL
🌍 A Records1 records   289ms
IPTTLPTRASNISP / OrgCIDRCountryCity
185.104.28.238 21600s redirectserver01.zxcs.nl AS206281 Stichting DIGI NL 185.104.28.0/22 🇳🇱 The Netherlands —
📧 MX Records
📧
No MX records found
🔷 AAAA Records (IPv6)1 records   200ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2a06:2ec0:1::ffed 21600s redirectserver01.zxcs.nl AS206281 Stichting DIGI NL 2a06:2ec0:0:0:0:0:0:0/32 🇳🇱 The Netherlands —
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   675ms
TXT Record
v=spf1 a mx -all
✉️ SPF
PolicyRecord (usefullgroup.dk)
-all (hard fail) v=spf1 a mx -all
📨 DMARC
PolicyRecord (_dmarc.usefullgroup.dk)
p=reject v=DMARC1; p=reject; sp=reject; adkim=s; aspf=s
📬 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)
🔐 DNSSEC445ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA278ms
FieldValue
Serial2026040914
Primary NS (MNAME)ns.zxcs.nl
Responsible (RNAME)hostmaster@usefullgroup.dk
Refresh600s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)86400s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
294ms
A
289ms
MX
188ms
AAAA
200ms
TXT
675ms
CAA
331ms
HTTPS
273ms
TLSA
189ms
SOA
278ms
MTA-STS
297ms
DNSSEC
445ms
SRV
366ms
Total
2395ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-17 13:25:29 13712ms 3 NS 1 A 0 MX 🔓 Insecure View
2026-06-24 17:18:36 894ms 3 NS 1 A 0 MX 🔓 Insecure View
2026-06-22 23:45:41 754ms 3 NS 1 A 0 MX 🔓 Insecure View
2026-06-20 07:57:13 2395ms 3 NS 1 A 0 MX 🔓 Insecure View
2026-06-18 07:00:04 1919ms 3 NS 1 A 0 MX 🔓 Insecure View
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