10c.dk

📜 Historical scan 2026-08-14 22:11:45 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

10c.dk is a .dk domain served by 2 nameservers (james.ns.cloudflare.com, mary.ns.cloudflare.com). It was registered on 26 May 2003 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.74.92 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mail.musikbaren.dk. 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 39ms

Nameserver	IP addresses	PTR	ASN / ISP
james.ns.cloudflare.com	108.162.193.178 172.64.33.178 173.245.59.178 2606:4700:58::adf5:3bb2 2803:f800:50::6ca2:c1b2 2a06:98c1:50::ac40:21b2	james.ns.cloudflare.com james.ns.cloudflare.com james.ns.cloudflare.com james.ns.cloudflare.com james.ns.cloudflare.com james.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
mary.ns.cloudflare.com	108.162.192.134 172.64.32.134 173.245.58.134 2606:4700:50::adf5:3a86 2803:f800:50::6ca2:c086 2a06:98c1:50::ac40:2086	mary.ns.cloudflare.com mary.ns.cloudflare.com mary.ns.cloudflare.com mary.ns.cloudflare.com mary.ns.cloudflare.com mary.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 50ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.74.92	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.201.17	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 38ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	mail.musikbaren.dk	152.228.141.29 2001:41d0:404:200::7276	mail.musikbaren.dk vps-03f60573.vps.ovh.net	AS16276 OVH SAS AS16276 OVH SAS

🔷 AAAA Records (IPv6)#

2 records 51ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::ac43:c911	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::6815:4a5c	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 66ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.74.92,172.67.201.17 ech=AEX+DQBBDQAgACB1yvgBMJ/BYm5IFgdGB5O8OTWbp1qISJfFe8aQ05ZUHQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:c911,2606:4700:3037::6815:4a5c

📝 TXT Records#

1 records 194ms

TXT Record
v=spf1 ip4:152.228.141.29 include:10c.dk -all

✉️ SPF#

Policy	Record (10c.dk)
-all (hard fail)	v=spf1 ip4:152.228.141.29 include:10c.dk -all

📨 DMARC#

Policy	Record (_dmarc.10c.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:cloudflare@hrmf.net

📬 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 2026-10-12 05:56:26

www	104.21.74.92 172.67.201.17 2606:4700:3033::ac43:c911 2606:4700:3037::6815:4a5c (AS13335) (address records, no CNAME)
www vs bare domain	Same network 10c.dk: 104.21.74.92 172.67.201.17 2606:4700:3033::ac43:c911 2606:4700:3037::6815:4a5c (AS13335) www.10c.dk: 104.21.74.92 172.67.201.17 2606:4700:3033::ac43:c911 2606:4700:3037::6815:4a5c (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

error include:10c.dk includes itself (directly or via another include): receivers return permerror

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.10c.dk	4J8W4EgAmwOywInAbTXyomzH5TdfEic5uEiwX81NVSg
TXT	_acme-challenge.10c.dk	c2osiDa4WcxQn7AZYD8Hsq-SYhWVm3DpwGAQHTakVz8

🔗 TLSA / DANE#

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

🔐 DNSSEC#

81ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2412147979
Primary NS (MNAME)	james.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-09 00:40:33

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2003-05-26
Expires	2028-05-31 (592d)

📋 WHOIS#

⏱️ Lookup Timing#

39ms

50ms

38ms

AAAA

51ms

TXT

194ms

CAA

47ms

HTTPS

66ms

TLSA

88ms

SOA

0ms

MTA-STS

62ms

DNSSEC

81ms

SRV

86ms

Total

1218ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 17:21:46	661ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-29 16:24:21	694ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-26 01:45:11	966ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-25 01:34:49	805ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-13 19:53:24	912ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-08 05:38:20	2913ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-01 03:09:03	761ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-27 16:41:39	854ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-26 05:26:40	725ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-22 08:22:46	1433ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-18 00:13:03	3020ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-16 19:35:38	1646ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-16 00:34:51	5171ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-14 22:11:45 shown	1218ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-09 10:10:52	1498ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-15 18:14:45	1268ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-12 05:18:13	1082ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-27 22:43:01	2480ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-25 02:09:50	1879ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-24 16:26:43	6527ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-23 21:51:02	1157ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-23 16:38:41	1611ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-21 17:11:03	1180ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-16 12:33:33	1556ms	2 NS 2 A 1 MX	🔒 Secure