c-solution.dk

Records from scan: 2026-09-23 17:20:43 · 887ms total · last checked 2026-10-16 13:43 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

c-solution.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It was registered on 24 July 2011 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.163.185.181 is hosted by Complea A/S (AS206157) in Denmark. Mail is handled by csolution-dk0c.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 53ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.curanet.dk	185.25.141.12 2a02:2339:4006:108::123	ns1.curanet.dk ns1.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.curanet.dk	2a02:2339:1:10f::123:123 91.197.248.75	ns2.curanet.dk ns2.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 37ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.163.185.181	60s	alwayson.abhim.dk alwayson.abhim.dk.abhim.dk	AS206157	Complea A/S	185.163.184.0/22	🇩🇰 Denmark	—

📧 MX Records#

1 records 53ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	csolution-dk0c.mail.protection.outlook.com	2a01:111:f403:ca04::e 2a01:111:f403:ca21::8 2a01:111:f403:ca21::e 2a01:111:f403:ca48::e 52.101.103.39 52.101.185.114 52.101.68.12 52.101.73.145	mail-db8pr02cu00106.inbound.protection.outlook.com mail-matpr04cu00100.inbound.protection.outlook.com mail-matpr04cu00306.inbound.protection.outlook.com mail-miypr03cu00206.inbound.protection.outlook.com mail-miypr05cu00207.inbound.protection.outlook.com mail-zrxpr04cu00102.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-am6pr02cu00301.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)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 66ms

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

📝 TXT Records#

2 records 164ms

TXT Record
google-site-verification=z8NJsJPPcTcjhLPBNKQrIng-30AGmGpS8PgnKR4Xgno
v=spf1 include:_spf.mailersend.net include:_spf22390.spfprotect.com -all

✉️ SPF#

Policy	Record (c-solution.dk)
-all (hard fail)	v=spf1 include:_spf.mailersend.net include:_spf22390.spfprotect.com -all

📨 DMARC#

Policy	Record (_dmarc.c-solution.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:655f319ecf1f0@dmarc.centerasecurity.com;

📬 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#

checked 2026-10-12 07:41:52

www	185.163.185.181 (AS206157) (address records, no CNAME)
www vs bare domain	Same network c-solution.dk: 185.163.185.181 (AS206157) www.c-solution.dk: 185.163.185.181 (AS206157)
Wildcard	No
Denial of existence	NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

4 found

Selector	CNAME	Key
k1	dkim.mcsv.net	RSA · ~1024 bit below 2048 bit
s1	s1.domainkey.u19370639.wl140.sendgrid.net	RSA · ~2048 bit
s2	s2.domainkey.u19370639.wl140.sendgrid.net	RSA · ~1024 bit below 2048 bit
selector1	selector1-csolution-dk0c._domainkey.csolution.onmicrosoft.com	RSA · ~1024 bit below 2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 3/10 · policy: -all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.c-solution.dk	Gp757gT3bINjEYPM20QG5Dv5PfcFteorecWD54kWhJE

🔗 TLSA / DANE#

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

🔐 DNSSEC#

87ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026071601
Primary NS (MNAME)	ns1.curanet.dk
Responsible (RNAME)	hostmaster@curanet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-12 01:56:50

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2011-07-24
Expires	2027-07-31 (287d)

🔗 Same registrant#

8 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

Domain	Registrar
agmt.dk	Punktum dk A/S (direct)
c-solutions.dk	Punktum dk A/S (direct)
cbre-tsp.dk	CURANET A/S
compleademo.dk	Punktum dk A/S (direct)
compoze.dk	Punktum dk A/S (direct)
mailsmart.dk	Punktum dk A/S (direct)
mrc.dk	Punktum dk A/S (direct)
skype-pbx.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

53ms

37ms

53ms

AAAA

29ms

TXT

164ms

CAA

59ms

HTTPS

36ms

TLSA

370ms

SOA

0ms

MTA-STS

77ms

DNSSEC

87ms

SRV

66ms

Total

887ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-23 17:20:43 shown	887ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-09 12:20:19	969ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-04 02:40:00	970ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-17 08:16:57	1314ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-02 00:26:27	912ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 18:48:15	870ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 18:41:09	729ms	2 NS 1 A 1 MX	🔒 Secure