c10.dk

Records from scan: 2026-09-30 14:41:13 · 1345ms total · last checked 2026-10-16 18:38 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

c10.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It 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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 44ms

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 49ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	c10-dk.mail.protection.outlook.com	2a01:111:f403:ca04::c 2a01:111:f403:ca04::f 2a01:111:f403:ca09::28 2a01:111:f403:ca48::12 52.101.103.143 52.101.68.29 52.101.73.145 52.101.91.156	mail-db9pr02cu00204.inbound.protection.outlook.com mail-db7pr03cu00507.inbound.protection.outlook.com mail-am6pr02cu00300.inbound.protection.outlook.com mail-miypr05cu00202.inbound.protection.outlook.com mail-miypr03cu00107.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-am6pr02cu00301.inbound.protection.outlook.com mail-maspr04cu00104.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 → 40.104.116.24
🔶 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 146ms

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#

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#

87ms

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

🏷️ SOA#

39ms

Field	Value
Serial	2026082601
Primary NS (MNAME)	ns1.curanet.dk
Responsible (RNAME)	hostmaster@curanet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

44ms

46ms

49ms

AAAA

45ms

TXT

146ms

CAA

40ms

HTTPS

44ms

TLSA

882ms

SOA

39ms

MTA-STS

65ms

DNSSEC

87ms

SRV

64ms

Total

1345ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 14:41:13 shown	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	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