powerclass.dk

📜 Historical scan 2026-09-10 17:24:09  ·  ← 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   96ms
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   98ms
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   115ms
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   128ms
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   152ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.55.251,172.67.174.211 ech=AEX+DQBBFwAgACAp2O/gEId8O8YgrANtKRkKqZOmqY/zyaB6webycqLMDgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:aed3,2606:4700:3037::6815:37fb

📝 TXT Records#

1 records   425ms
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 DzfCzx5-bSvgONpDH2YnIEYs92027bw1QDbGLgqs3HM
TXT _acme-challenge.powerclass.dk Vqx3TUHxMdcceSZzyGP9oQWX1XxyF5p1uBMpNaKgbME
TXT _acme-challenge.powerclass.dk cq3um3xvsDDYTSf-g8mbDfLzSImOK6IIJdzFIee4Cpg
TXT _acme-challenge.powerclass.dk myv09YZcTJjIAAisRpIMvGSNqGTm5Q3t46M3rTv-lSY

🔗 TLSA / DANE#

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

🔐 DNSSEC#

163ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

0ms
FieldValue
Serial2414488092
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
96ms
A
98ms
MX
115ms
AAAA
128ms
TXT
425ms
CAA
125ms
HTTPS
152ms
TLSA
283ms
SOA
0ms
MTA-STS
121ms
DNSSEC
163ms
SRV
390ms
Total
2018ms

🕐 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 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 shown 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
dhd.dk [/] search Domains, Hosts & DNS — .dk zone