codeoptimus.dk

📜 Historical scan 2026-08-09 02:54:06 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

codeoptimus.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It was registered on 10 October 2018 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.21.41.239 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by codeoptimus-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#

2 records 116ms

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 156ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.21.41.239	3600s	web1.curanet.dk	AS48854	team.blue Denmark A/S	185.21.40.0/22	🇩🇰 Denmark	—

📧 MX Records#

1 records 118ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	codeoptimus-dk.mail.protection.outlook.com	2a01:111:f403:ca04::5 2a01:111:f403:ca04::7 2a01:111:f403:ca04::a 2a01:111:f403:ca04::e 52.101.68.10 52.101.68.27 52.101.73.2 52.101.73.4	mail-db3pr0202cu00205.inbound.protection.outlook.com mail-db4pr02cu00307.inbound.protection.outlook.com mail-du0pr03cu00102.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-as9pr07cu00302.inbound.protection.outlook.com mail-am0pr83cu00404.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 → 52.98.208.120
🔶 Autoconfig	185.21.41.239

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

4 records 282ms

TXT Record
google-site-verification=P9X5PIP9sRJG-O4kN4YUnX6NV0ICXv5VGEXHqMjXQPI
MS=ms28648732
MS=ms53231861
v=spf1 a mx ip4:93.191.157.50 ip4:62.171.182.94 include:spf.curanet.dk include:spf.protection.outlook.com include:spf.mandrillapp.com ~all

✉️ SPF#

Policy	Record (codeoptimus.dk)
~all (soft fail)	v=spf1 a mx ip4:93.191.157.50 ip4:62.171.182.94 include:spf.curanet.dk include:spf.protection.outlook.com include:spf.mandrillapp.com ~all

📨 DMARC#

Policy	Record (_dmarc.codeoptimus.dk)
p=none (monitor only)	v=DMARC1; p=none;

📬 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 2026-10-13 01:50:34

www	185.21.41.239 (AS48854) (address records, no CNAME)
www vs bare domain	Same network codeoptimus.dk: 185.21.41.239 (AS48854) www.codeoptimus.dk: 185.21.41.239 (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: 7/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

198ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026080301
Primary NS (MNAME)	ns1.curanet.dk
Responsible (RNAME)	hostmaster@curanet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-17 13:12:18

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2018-10-10
Expires	2026-10-31 (13d)

🔗 Same registrant#

9 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
anettegraversen.dk	Punktum dk A/S (direct)
codemaster.dk	Punktum dk A/S (direct)
codeop.dk	Punktum dk A/S (direct)
ditcms.dk	Punktum dk A/S (direct)
ditsite.dk	Punktum dk A/S (direct)
it-udvikling.dk	Punktum dk A/S (direct)
it-virksomheden.dk	Punktum dk A/S (direct)
optimuscommerce.dk	CURANET A/S
stilfuld.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

116ms

156ms

118ms

AAAA

146ms

TXT

282ms

CAA

110ms

HTTPS

91ms

TLSA

197ms

SOA

0ms

MTA-STS

150ms

DNSSEC

198ms

SRV

268ms

Total

1396ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-05 14:35:10	2192ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-08 20:36:34	1698ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-01 18:24:01	740ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-09 02:54:06 shown	1396ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-07 17:42:18	1848ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-24 05:01:37	1590ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-24 03:30:57	1113ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-21 13:20:45	778ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 21:41:29	2702ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 21:40:21	1067ms	2 NS 1 A 1 MX	🔒 Secure