clsolution.dk

📜 Historical scan 2026-09-21 14:12:15 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

clsolution.dk is a .dk domain served by 2 nameservers (rommy.ns.cloudflare.com, sreeni.ns.cloudflare.com). It was registered on 2 February 2022 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.29.220 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by clsolution-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, 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 43ms

Nameserver	IP addresses	PTR	ASN / ISP
rommy.ns.cloudflare.com	108.162.195.20 162.159.44.20 172.64.35.20 2606:4700:58::a29f:2c14 2803:f800:50::6ca2:c314 2a06:98c1:50::ac40:2314	rommy.ns.cloudflare.com rommy.ns.cloudflare.com rommy.ns.cloudflare.com rommy.ns.cloudflare.com rommy.ns.cloudflare.com rommy.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
sreeni.ns.cloudflare.com	108.162.194.178 162.159.38.178 172.64.34.178 2606:4700:50::a29f:26b2 2803:f800:50::6ca2:c2b2 2a06:98c1:50::ac40:22b2	sreeni.ns.cloudflare.com sreeni.ns.cloudflare.com sreeni.ns.cloudflare.com sreeni.ns.cloudflare.com sreeni.ns.cloudflare.com sreeni.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 38ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.29.220	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.149.214	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 40ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	clsolution-dk.mail.protection.outlook.com	2a01:111:f403:ca09::26 2a01:111:f403:ca38::8 2a01:111:f403:ca3c::a 2a01:111:f403:ca48::e 52.101.185.114 52.101.185.21 52.101.209.28 52.101.73.155	mail-am8pr83cu00106.inbound.protection.outlook.com mail-wa4pr04cu00100.inbound.protection.outlook.com mail-zrxpr07cu00102.inbound.protection.outlook.com mail-miypr03cu00206.inbound.protection.outlook.com mail-zrxpr04cu00102.inbound.protection.outlook.com mail-zrxpr05cu00105.inbound.protection.outlook.com mail-cpjpr05cu00104.inbound.protection.outlook.com mail-am7pr02cu00203.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 52.98.154.152

🔷 AAAA Records (IPv6)#

2 records 36ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::6815:1ddc	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::ac43:95d6	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 38ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.29.220,172.67.149.214 ech=AEX+DQBB7QAgACD83whNO51E5SXN/S81+2oYIhX1b8P6P/y55CpNAuERGQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:1ddc,2606:4700:3035::ac43:95d6

🔌 SRV Records#

1 records 108ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records#

3 records 164ms

TXT Record
MS=172F5E454A4C138F99781F2E967D1E346ECFB5D1
MS=ms85955556
v=spf1 include:spf.protection.outlook.com include:spf-eu.mailssig.com -all

✉️ SPF#

Policy	Record (clsolution.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:spf-eu.mailssig.com -all

📨 DMARC#

Policy	Record (_dmarc.clsolution.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:dmarc@clsolution.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 2026-10-09 15:37:03

www	104.21.29.220 172.67.149.214 2606:4700:3033::6815:1ddc 2606:4700:3035::ac43:95d6 (AS13335) (address records, no CNAME)
www vs bare domain	Same network clsolution.dk: 104.21.29.220 172.67.149.214 2606:4700:3033::6815:1ddc 2606:4700:3035::ac43:95d6 (AS13335) www.clsolution.dk: 104.21.29.220 172.67.149.214 2606:4700:3033::6815:1ddc 2606:4700:3035::ac43:95d6 (AS13335)
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔎 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#

117ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

0ms

Field	Value
Serial	2415459057
Primary NS (MNAME)	rommy.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-04 12:44:26

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2022-02-02
Expires	2028-02-01 (472d)

📋 WHOIS#

⏱️ Lookup Timing#

43ms

38ms

40ms

AAAA

36ms

TXT

164ms

CAA

34ms

HTTPS

38ms

TLSA

379ms

SOA

0ms

MTA-STS

57ms

DNSSEC

117ms

SRV

108ms

Total

1677ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 15:37:03	2823ms	2 NS 2 A 1 MX	🔒 Secure
2026-10-04 12:40:19	1598ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-21 14:12:15 shown	1677ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-19 22:30:35	2408ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-22 16:47:35	4941ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-06 16:23:39	2184ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-01 19:36:00	9013ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-23 00:41:54	1476ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-08 12:59:19	10513ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-24 11:35:12	2635ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-16 21:25:41	2532ms	2 NS 2 A 1 MX	🔒 Secure