cn3.dk

📜 Historical scan 2026-06-16 22:46:14  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

cn3.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was registered on 9 November 2012 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 141.193.213.10 is hosted by Cloudflare London, LLC (AS209242) in United States. Mail is handled by cn3-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#

4 records   6121ms
NameserverIP addressesPTRASN / ISP
ns1.simply.com — — —
ns2.simply.com — — —
ns3.simply.com — — —
ns4.simply.com — — —

🌍 A Records#

2 records   2521ms

📧 MX Records#

1 records   5356ms

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

3 records   10009ms
TXT Record
apple-domain-verification=fPrZSOQmoQ0XFDK8
dropbox-domain-verification=8nu5ml0r6zqs
v=spf1 include:spf.protection.outlook.com include:servers.mcsv.net -all

✉️ SPF#

PolicyRecord (cn3.dk)
-all (hard fail) v=spf1 include:spf.protection.outlook.com include:servers.mcsv.net -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 2026-10-09 13:34:25
www CNAMEwp.wpenginepowered.com (all on wpenginepowered.com)
www vs bare domainSame network
WildcardYes: any name under the zone resolves
Denial of existenceNSEC zone can be walked (all names enumerable)
CDS / CDNSKEYPublished: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

2 found
SelectorCNAMEKey
k1 dkim.mcsv.net RSA · ~1024 bit below 2048 bit
selector1 selector1-cn3-dk._domainkey.cn3.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: 2/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

10913ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

4669ms
FieldValue
Serial2026042410
Primary NS (MNAME)ns1.simply.com
Responsible (RNAME)hostmaster@simply.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)3600s

📋 Registration#

WHOIS fetched 2026-10-01 07:54:57
FieldValue
RegistrarSimply.com A/S
Registered2012-11-09
Expires2026-11-30 (38d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
6121ms
A
2521ms
MX
5356ms
AAAA
2309ms
TXT
10009ms
CAA
5808ms
HTTPS
3933ms
TLSA
8570ms
SOA
4669ms
MTA-STS
5472ms
DNSSEC
10913ms
SRV
0ms
Total
65535ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-09 13:34:25 948ms 4 NS 2 A 1 MX 🔒 Secure
2026-10-03 14:24:11 1043ms 4 NS 2 A 1 MX 🔒 Secure
2026-10-01 07:43:47 3583ms 4 NS 2 A 1 MX 🔒 Secure
2026-09-30 07:38:58 1329ms 4 NS 2 A 1 MX 🔒 Secure
2026-06-27 12:18:28 1838ms 4 NS 2 A 1 MX 🔒 Secure
2026-06-20 10:37:46 710ms 4 NS 2 A 1 MX 🔒 Secure
2026-06-16 22:46:14 shown 65535ms 4 NS 2 A 1 MX 🔒 Secure
2026-06-16 21:52:55 1952ms 4 NS 2 A 1 MX 🔒 Secure
2026-06-16 21:31:23 865ms 4 NS 2 A 1 MX 🔒 Secure
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