copenhagenoptimization.dk

📜 Historical scan 2026-09-08 04:00:07 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

copenhagenoptimization.dk is a .dk domain served by 2 nameservers (aisha.ns.cloudflare.com, beau.ns.cloudflare.com). It was registered on 24 October 2014 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 34.53.130.199 is hosted by Google LLC (AS396982) in Belgium. Mail is handled by copenhagenoptimization-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, 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#

2 records 148ms

Nameserver	IP addresses	PTR	ASN / ISP
aisha.ns.cloudflare.com	108.162.194.186 162.159.38.186 172.64.34.186 2606:4700:50::a29f:26ba 2803:f800:50::6ca2:c2ba 2a06:98c1:50::ac40:22ba	aisha.ns.cloudflare.com aisha.ns.cloudflare.com aisha.ns.cloudflare.com aisha.ns.cloudflare.com aisha.ns.cloudflare.com aisha.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
beau.ns.cloudflare.com	108.162.193.73 172.64.33.73 173.245.59.73 2606:4700:58::adf5:3b49 2803:f800:50::6ca2:c149 2a06:98c1:50::ac40:2149	beau.ns.cloudflare.com beau.ns.cloudflare.com beau.ns.cloudflare.com beau.ns.cloudflare.com beau.ns.cloudflare.com beau.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

1 records 332ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
34.53.130.199	300s	199.130.53.34.bc.googleusercontent.com	AS396982	Google LLC	34.32.0.0/11	🇧🇪 Belgium	Brussels

📧 MX Records#

1 records 108ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	copenhagenoptimization-dk.mail.protection.outlook.com	2a01:111:f403:ca04::9 2a01:111:f403:ca09::6 2a01:111:f403:ca3c::8 2a01:111:f403:ca48::10 52.101.68.10 52.101.73.1 52.101.73.12 52.101.91.159	mail-db7pr03cu00601.inbound.protection.outlook.com mail-am4pr0401cu00106.inbound.protection.outlook.com mail-zrxpr05cu00100.inbound.protection.outlook.com mail-miypr05cu00100.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-am3pr04cu00501.inbound.protection.outlook.com mail-am4pr0401cu00104.inbound.protection.outlook.com mail-matpr04cu00207.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 → 52.98.179.88
🔶 Autoconfig	34.53.130.199

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 645ms

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

📝 TXT Records#

2 records 313ms

TXT Record
MS=ms69224025
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

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

📨 DMARC#

Policy	Record (_dmarc.copenhagenoptimization.dk)
p=quarantine	v=DMARC1; p=quarantine; pct=100; rua=mailto:dmarc@copopt.com

📬 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 04:48:34

www	34.53.130.199 (AS396982) (address records, no CNAME)
www vs bare domain	Same network copenhagenoptimization.dk: 34.53.130.199 (AS396982) www.copenhagenoptimization.dk: 34.53.130.199 (AS396982)
Wildcard	Yes: any name under the zone resolves

✍️ DKIM keys#

2 found

Selector	CNAME	Key
selector1	selector1-copenhagenoptimization-dk._domainkey.copenhagenoptimization.onmicrosoft.com	RSA · ~1024 bit below 2048 bit
selector2	selector2-copenhagenoptimization-dk._domainkey.copenhagenoptimization.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: 1/10 · policy: -all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.copenhagenoptimization.dk	HOZ_y1XfGyRIRGBc-vyf1kTQiDHVekvxzG6VqkZNaI4
TXT	_acme-challenge.copenhagenoptimization.dk	PYeyWwkme6bNWQxqOyeAqU8A9plGYKuwBlIm4OA5GtY
TXT	_acme-challenge.copenhagenoptimization.dk	pyCCISlMQa4xEVLhO1HeHE1wq5AzSXo5Os098nTx5vM
TXT	_acme-challenge.copenhagenoptimization.dk	uqlP_5BBPXdj0vTspHBICUFxaFOiBIwtx6yO3nMzExg

🔗 TLSA / DANE#

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

🔐 DNSSEC#

669ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

0ms

Field	Value
Serial	2414273354
Primary NS (MNAME)	aisha.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-15 07:09:38

Field	Value
Registrar	Simply.com A/S
Registered	2014-10-24
Expires	2026-10-31 (10d)

🔗 Same registrant#

2 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
betterhospital.dk	Simply.com A/S
copopt.dk	Name SRS AB

📋 WHOIS#

⏱️ Lookup Timing#

148ms

332ms

108ms

AAAA

142ms

TXT

313ms

CAA

233ms

HTTPS

121ms

TLSA

892ms

SOA

0ms

MTA-STS

150ms

DNSSEC

669ms

SRV

645ms

Total

2687ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-07 04:35:40	3265ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-10 10:40:08	1517ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-08 04:00:07 shown	2687ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-25 21:39:50	1796ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-07 16:09:20	1656ms	2 NS 1 A 1 MX	🔓 Insecure
2026-07-10 17:05:44	3784ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-27 06:28:29	1596ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-16 22:23:36	657ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-16 22:20:54	684ms	2 NS 1 A 1 MX	🔓 Insecure