cn3.dk

📜 Historical scan 2026-06-27 12:18:28 · ← 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, publishes a 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 263ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	2a02:2339:1:15c::4562:4562 91.197.248.78	ns1.simply.com ns1.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simply.com	185.25.141.15 2a02:2339:4006:101::4562:4562	ns2.simply.com ns2.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns3.simply.com	91.197.248.79	ns3.simply.com	AS48854 team.blue Denmark A/S
ns4.simply.com	91.197.248.80	ns4.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records#

2 records 244ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
141.193.213.10	3600s	—	AS209242	Cloudflare London, LLC	141.193.213.0/24	🇺🇸 United States	—
141.193.213.11	3600s	—	AS209242	Cloudflare London, LLC	141.193.213.0/24	🇺🇸 United States	—

📧 MX Records#

1 records 263ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	cn3-dk.mail.protection.outlook.com	2a01:111:f403:ca04::5 2a01:111:f403:ca09::2 2a01:111:f403:ca09::3 2a01:111:f403:ca09::8 52.101.68.32 52.101.73.12 52.101.73.2 52.101.73.28	mail-db3pr0202cu00205.inbound.protection.outlook.com mail-am0pr83cu00402.inbound.protection.outlook.com mail-am6pr04cu00303.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-db3pr0202cu00200.inbound.protection.outlook.com mail-am4pr0401cu00104.inbound.protection.outlook.com mail-as9pr07cu00302.inbound.protection.outlook.com mail-am7pr05cu00204.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	94.231.103.54

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 255ms

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

📝 TXT Records#

3 records 574ms

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

✉️ SPF#

Policy	Record (cn3.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:servers.mcsv.net -all

📨 DMARC#

Policy	Record (_dmarc.cn3.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:dmarc@cn3.dk; ruf=mailto:dmarc@cn3.dk; adkim=s; aspf=s;

📬 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 CNAME	wp.wpenginepowered.com (all on wpenginepowered.com) → 141.193.213.10 141.193.213.11 (AS209242)
www vs bare domain	Same network cn3.dk: 141.193.213.10 141.193.213.11 (AS209242) www.cn3.dk: 141.193.213.10 141.193.213.11 (AS209242)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

2 found

Selector	CNAME	Key
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#

532ms

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

🏷️ SOA#

233ms

Field	Value
Serial	2026042410
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-01 07:54:57

Field	Value
Registrar	Simply.com A/S
Registered	2012-11-09
Expires	2026-11-30 (37d)

📋 WHOIS#

⏱️ Lookup Timing#

263ms

244ms

263ms

AAAA

296ms

TXT

574ms

CAA

219ms

HTTPS

213ms

TLSA

332ms

SOA

233ms

MTA-STS

263ms

DNSSEC

532ms

SRV

255ms

Total

1838ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
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 shown	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	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