powerclass.dk

📜 Historical scan 2026-09-29 23:06:53  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

powerclass.dk is a .dk domain served by 2 nameservers (clay.ns.cloudflare.com, heather.ns.cloudflare.com). It was registered on 18 June 2021 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.55.251 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx.stackmail.com. 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#

2 records   37ms
NameserverIP addressesPTRASN / ISP
clay.ns.cloudflare.com 108.162.193.88
172.64.33.88
173.245.59.88
2606:4700:58::adf5:3b58
2803:f800:50::6ca2:c158
2a06:98c1:50::ac40:2158		 clay.ns.cloudflare.com
clay.ns.cloudflare.com
clay.ns.cloudflare.com
clay.ns.cloudflare.com
clay.ns.cloudflare.com
clay.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
heather.ns.cloudflare.com 108.162.192.161
172.64.32.161
173.245.58.161
2606:4700:50::adf5:3aa1
2803:f800:50::6ca2:c0a1
2a06:98c1:50::ac40:20a1		 heather.ns.cloudflare.com
heather.ns.cloudflare.com
heather.ns.cloudflare.com
heather.ns.cloudflare.com
heather.ns.cloudflare.com
heather.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.

🌍 A Records#

2 records   36ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.55.251 300s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.174.211 300s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

1 records   33ms
PriorityTTLMail ServerIP addressesPTRASN
10 300s mx.stackmail.com 185.151.28.67 mx.stackmail.com AS48254 20i Limited

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscoverautodiscover.stackmail.com → 45.8.227.100
🔶 Autoconfig5.22.208.19

🔷 AAAA Records (IPv6)#

2 records   29ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:4700:3030::ac43:aed3 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —
2606:4700:3037::6815:37fb 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —

🔐 HTTPS Records#

1 records   34ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.55.251,172.67.174.211 ech=AEX+DQBB7gAgACDoD2qhE9kcFfC7wZtZ36bL04OgI/It4PNycei1NXSiYwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:aed3,2606:4700:3037::6815:37fb

📝 TXT Records#

1 records   177ms
TXT Record
v=spf1 include:_spf.mlsend.com v=spf1 include:spf.stackmail.com a mx -all

✉️ SPF#

PolicyRecord (powerclass.dk)
-all (hard fail) v=spf1 include:_spf.mlsend.com v=spf1 include:spf.stackmail.com a mx -all

📨 DMARC#

PolicyRecord (_dmarc.powerclass.dk)
p=none (monitor only) v=DMARC1; p=none; rua=mailto:dmarc@powerclass.dk

📬 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 2026-10-08 02:04:53
www104.21.55.251 172.67.174.211 2606:4700:3030::ac43:aed3 2606:4700:3037::6815:37fb (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardYes: any name under the zone resolves

🔎 SPF check#

zone-wide SPF report

DNS lookups: 4/10 · policy: -all

No problems found

🔏 ACME Challenge#

TypeNameValue
TXT _acme-challenge.powerclass.dk EtTNEpaluo12gL8TReK1R4F_JTYB0r3hTQdoQKdEiIg
TXT _acme-challenge.powerclass.dk VQrbC5btqj-TvqxPaPqrR6OLohauBI3xNfVHk3GasMM

🔗 TLSA / DANE#

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

🔐 DNSSEC#

115ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

35ms
FieldValue
Serial2416121754
Primary NS (MNAME)clay.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-11 05:16:45
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2021-06-18
Expires2027-06-30 (255d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
37ms
A
36ms
MX
33ms
AAAA
29ms
TXT
177ms
CAA
41ms
HTTPS
34ms
TLSA
286ms
SOA
35ms
MTA-STS
56ms
DNSSEC
115ms
SRV
82ms
Total
978ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-08 02:04:53 4728ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-30 23:10:16 842ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-29 23:06:53 shown 978ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-28 22:51:10 906ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-25 21:40:34 637ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-25 07:16:40 849ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-24 07:13:59 1440ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-23 07:07:43 1295ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-19 10:05:12 1272ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-12 09:08:06 2803ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-10 17:24:09 2018ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-29 03:30:25 1120ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-25 15:33:06 687ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-09 21:25:30 1766ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-18 04:52:23 912ms 2 NS 2 A 1 MX 🔓 Insecure
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