c10.dk

📜 Historical scan 2026-06-21 11:29:25 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

c10.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It was registered on 20 March 2017 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.21.42.25 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by c10-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, has no DMARC policy and has no IPv6 address. 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 45ms

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 46ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.21.42.25	3600s	prolinux101.curanet.dk	AS48854	team.blue Denmark A/S	185.21.40.0/22	🇩🇰 Denmark	—

📧 MX Records#

1 records 47ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	c10-dk.mail.protection.outlook.com	2a01:111:f403:ca04::1 2a01:111:f403:ca04::b 2a01:111:f403:ca09::2 2a01:111:f403:ca09::8 52.101.68.27 52.101.68.36 52.101.73.11 52.101.73.15	mail-db7pr03cu00401.inbound.protection.outlook.com mail-dbbpr03cu00103.inbound.protection.outlook.com mail-am0pr83cu00402.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-db5pr02cu00104.inbound.protection.outlook.com mail-am1pr04cu00103.inbound.protection.outlook.com mail-am9pr04cu00107.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 → 40.101.78.104
🔶 Autoconfig	212.237.249.16

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

4 records 639ms

TXT Record
google-site-verification=EqHxJr1wcyn68GX1VbhgWvohZfZ5rWquB055JjE0A6M
MS=ms21986531
ubivox-site-verification=m-tUcGWiOFPdrOHlj4oc3vr9y
v=spf1 include:spf.protection.outlook.com include:c10data.dk -all

✉️ SPF#

Policy	Record (c10.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:c10data.dk -all

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 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 2026-10-15 17:22:54

www	185.21.42.25 (AS48854) (address records, no CNAME)
www vs bare domain	Same network c10.dk: 185.21.42.25 (AS48854) www.c10.dk: 185.21.42.25 (AS48854)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 5/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

112ms

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

🏷️ SOA#

38ms

Field	Value
Serial	2024102501
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 2026-10-17 11:36:34

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2017-03-20
Expires	2027-03-31 (164d)

🔗 Same registrant#

4 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
b10data.dk	Punktum dk A/S (direct)
meat-master.dk	Punktum dk A/S (direct)
nordicshopsolutions.dk	Punktum dk A/S (direct)
quizapp.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

45ms

46ms

47ms

AAAA

35ms

TXT

639ms

CAA

46ms

HTTPS

45ms

TLSA

221ms

SOA

38ms

MTA-STS

148ms

DNSSEC

112ms

SRV

2110ms

Total

2830ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 14:41:13	1345ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-25 04:43:38	2754ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-07 15:19:59	1227ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-27 01:31:39	1677ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-26 23:20:12	1208ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-28 10:22:59	744ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-25 15:55:52	953ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-24 22:05:19	1905ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-21 11:29:25 shown	2830ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-21 01:29:43	989ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-20 00:13:40	1050ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 18:49:16	786ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 18:40:39	559ms	2 NS 1 A 1 MX	🔒 Secure