usefullgroup.dk

📜 Historical scan 2026-06-24 17:18:36 · ← 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 60ms

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	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 69ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.104.28.238	86400s	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 119ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
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 Records#

1 records 327ms

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#

169ms

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

🏷️ SOA#

77ms

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#

60ms

69ms

68ms

AAAA

119ms

TXT

327ms

CAA

77ms

HTTPS

87ms

TLSA

206ms

SOA

77ms

MTA-STS

66ms

DNSSEC

169ms

SRV

191ms

Total

894ms

🕐 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 shown	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	1919ms	3 NS 1 A 0 MX	🔓 Insecure