powerclass.dk

📜 Historical scan 2026-06-18 04:52:23 · ← 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 64ms

Nameserver	IP addresses	PTR	ASN / 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 42ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.55.251	—	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.174.211	—	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 48ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	mx.stackmail.com	185.151.28.67	mx.stackmail.com	AS48254 20i Limited

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.stackmail.com → 45.8.227.100
🔶 Autoconfig	5.22.208.19

🔷 AAAA Records (IPv6)#

2 records 70ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a06:98c1:3120::1	—	—	AS13335	Cloudflare, Inc.	2a06:98c1:3120:0:0:0:0:0/46	—	—
2a06:98c1:3121::1	—	—	AS13335	Cloudflare, Inc.	2a06:98c1:3120:0:0:0:0:0/46	—	—

🔐 HTTPS Records#

1 records 47ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=188.114.96.1,188.114.97.1 ech=AEX+DQBBHQAgACDvr0foaUL+kfe8cQ/jzRqJm9WG78Sy1RChao5wzEe6ewAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2a06:98c1:3120::1,2a06:98c1:3121::1

📝 TXT Records#

1 records 172ms

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

✉️ SPF#

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

📨 DMARC#

Policy	Record (_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

www	104.21.55.251 172.67.174.211 2606:4700:3030::ac43:aed3 2606:4700:3037::6815:37fb (AS13335) (address records, no CNAME)
www vs bare domain	Same network powerclass.dk: 104.21.55.251 172.67.174.211 2606:4700:3030::ac43:aed3 2606:4700:3037::6815:37fb (AS13335) www.powerclass.dk: 104.21.55.251 172.67.174.211 2606:4700:3030::ac43:aed3 2606:4700:3037::6815:37fb (AS13335)
Wildcard	Yes: any name under the zone resolves

🔎 SPF check#

zone-wide SPF report

DNS lookups: 4/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

90ms

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

🏷️ SOA#

33ms

Field	Value
Serial	2406618402
Primary NS (MNAME)	clay.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-11 05:16:45

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2021-06-18
Expires	2027-06-30 (255d)

📋 WHOIS#

⏱️ Lookup Timing#

64ms

42ms

48ms

AAAA

70ms

TXT

172ms

CAA

51ms

HTTPS

47ms

TLSA

77ms

SOA

33ms

MTA-STS

67ms

DNSSEC

90ms

SRV

94ms

Total

912ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
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	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 shown	912ms	2 NS 2 A 1 MX	🔓 Insecure