holmnielsen.dk
Last scanned: 2026-09-02 22:46:27  ·  3782ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   60ms
NameserverIP addressesPTRASN / ISP
ns0.thundercloud.uk 149.255.60.1 ns0.thundercloud.uk AS34931 Awareness Software Limited
ns1.thundercloud.uk 185.53.57.60 ns1.thundercloud.uk AS12488 Krystal Hosting Ltd
🌍 A Records1 records   64ms
IPTTLPTRASNISP / OrgCIDRCountryCity
149.255.62.128 3601s cloud331.thundercloud.uk AS34931 Awareness Software Limited 149.255.56.0/21 🇬🇧 United Kingdom —
📧 MX Records1 records   79ms
PriorityTTLMail ServerIP addressesPTRASN
5 3601s holmnielsen.dk.mx.one.com 104.37.35.36
104.37.35.37
104.37.35.38
104.37.35.39		 mx1.mailpod15-cph3.g1i.one.com
mx2.mailpod15-cph3.g1i.one.com
mx3.mailpod15-cph3.g1i.one.com
mx4.mailpod15-cph3.g1i.one.com		 AS51468 One.com A/S
AS51468 One.com A/S
AS51468 One.com A/S
AS51468 One.com A/S
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   578ms
TXT Record
v=spf1 include:relay.thundermail.uk include:_custspf.one.com ~all
✉️ SPF
PolicyRecord (holmnielsen.dk)
~all (soft fail) v=spf1 include:relay.thundermail.uk include:_custspf.one.com ~all
📨 DMARC
PolicyRecord (_dmarc.holmnielsen.dk)
p=none (monitor only) v=DMARC1; p=none
📬 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)
🔐 DNSSEC2077ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2026072501
Primary NS (MNAME)ns1.thundercloud.uk
Responsible (RNAME)henrik@2ndlevel.dk
Refresh3600s
Retry1800s
Expire604800s
Minimum (neg-cache TTL)3600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
60ms
A
64ms
MX
79ms
AAAA
59ms
TXT
578ms
CAA
72ms
HTTPS
149ms
TLSA
176ms
SOA
0ms
MTA-STS
175ms
DNSSEC
2077ms
SRV
236ms
Total
3782ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-09-02 22:46:27 3782ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-08-26 19:52:19 2458ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-08-16 18:47:04 1577ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-07-26 12:04:23 3625ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-06-24 02:10:17 2833ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-06-24 00:43:43 911ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-17 13:33:43 2540ms 2 NS 1 A 1 MX 🔓 Insecure View
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