codeoptimus.dk DNS records

🖥️ Nameservers2 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 Records1 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 Records1 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 Records4 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

🔗 TLSA / DANE

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

🔐 DNSSEC198ms

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

🏷️ SOA0ms

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

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

116ms

A

156ms

MX

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
2026-09-01 18:24:01	740ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-09 02:54:06	1396ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-07 17:42:18	1848ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-24 05:01:37	1590ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-24 03:30:57	1113ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-21 13:20:45	778ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 21:41:29	2702ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 21:40:21	1067ms	2 NS 1 A 1 MX	🔒 Secure	View