usefullgroup.dk

📜 Historical scan 2026-06-18 07:00:04 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

usefullgroup.dk is a .dk domain served by 3 nameservers (ns.zxcs.be, ns.zxcs.eu, ns.zxcs.nl). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.104.28.238 is hosted by Stichting DIGI NL (AS206281) in The Netherlands. The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

3 records 121ms

Nameserver	IP addresses	PTR	ASN / 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 Records#

1 records 90ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.104.28.238	—	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 127ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a06:2ec0:1::ffed	—	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 Records#

1 records 1219ms

TXT Record
v=spf1 a mx -all

✉️ SPF#

Policy	Record (usefullgroup.dk)
-all (hard fail)	v=spf1 a mx -all

📨 DMARC#

Policy	Record (_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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-12 08:45:07

www	185.104.28.238 2a06:2ec0:1::ffed (AS206281) (address records, no CNAME)
www vs bare domain	Same network usefullgroup.dk: 185.104.28.238 2a06:2ec0:1::ffed (AS206281) www.usefullgroup.dk: 185.104.28.238 2a06:2ec0:1::ffed (AS206281)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: -all

No problems found

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

153ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

91ms

Field	Value
Serial	2026040914
Primary NS (MNAME)	ns.zxcs.nl
Responsible (RNAME)	hostmaster@usefullgroup.dk
Refresh	600s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

121ms

90ms

121ms

AAAA

127ms

TXT

1219ms

CAA

81ms

HTTPS

78ms

TLSA

169ms

SOA

91ms

MTA-STS

103ms

DNSSEC

153ms

SRV

301ms

Total

1919ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-20 15:41:38	1133ms	3 NS 1 A 0 MX	🔓 Insecure
2026-08-17 13:25:29	13712ms	3 NS 1 A 0 MX	🔓 Insecure
2026-06-24 17:18:36	894ms	3 NS 1 A 0 MX	🔓 Insecure
2026-06-22 23:45:41	754ms	3 NS 1 A 0 MX	🔓 Insecure
2026-06-20 07:57:13	2395ms	3 NS 1 A 0 MX	🔓 Insecure
2026-06-18 07:00:04 shown	1919ms	3 NS 1 A 0 MX	🔓 Insecure