it-optima.dk

📜 Historical scan 2026-06-21 21:38:50 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

it-optima.dk is a .dk domain served by 2 nameservers (ns.scannet2.dk, ns2.scannet2.dk). It was registered on 15 March 1999 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.40.46.10 is hosted by Itm8 A/S (AS62319) in Denmark. Mail is handled by itoptima-dk0e.mail.protection.outlook.com. The zone is DNSSEC-signed but currently fails validation, 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 93ms

Nameserver	IP addresses	PTR	ASN / ISP
ns.scannet2.dk	185.25.141.9 2a02:2339:4006:10d::4171:4171	ns1.scannet.dk ns1.scannet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.scannet2.dk	2a02:2339:1:112:0:5:1:b11 91.197.248.72	ns2.scannet.dk ns2.scannet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 30ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.40.46.10	3600s	co3web03-10.wehost.dk	AS62319	Itm8 A/S	185.40.44.0/22	🇩🇰 Denmark	Viby J

📧 MX Records#

1 records 81ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	itoptima-dk0e.mail.protection.outlook.com	2a01:111:f403:ca04::4 2a01:111:f403:ca04::5 2a01:111:f403:ca04::d 2a01:111:f403:ca09::b 52.101.68.29 52.101.73.1 52.101.73.24 52.101.73.28	mail-db4pr02cu00204.inbound.protection.outlook.com mail-db3pr0202cu00205.inbound.protection.outlook.com mail-db6pr03cu00105.inbound.protection.outlook.com mail-am7pr05cu00103.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-am3pr04cu00501.inbound.protection.outlook.com mail-as8pr05cu00300.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 → 52.98.252.120

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 346ms

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

📝 TXT Records#

2 records 239ms

TXT Record
MS=ms23174188
v=spf1 -all

✉️ SPF#

Policy	Record (it-optima.dk)
-all (hard fail)	v=spf1 -all

📨 DMARC#

Policy	Record (_dmarc.it-optima.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:support@itoptima.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 2026-10-13 18:48:36

www	185.40.46.10 (AS62319) (address records, no CNAME)
www vs bare domain	Same network it-optima.dk: 185.40.46.10 (AS62319) www.it-optima.dk: 185.40.46.10 (AS62319)
Wildcard	No
Denial of existence	NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

2 found

Selector	CNAME	Key
selector1	selector1-itoptima-dk0e._domainkey.itoptima365.onmicrosoft.com	RSA · ~1024 bit below 2048 bit
selector2	selector2-itoptima-dk0e._domainkey.itoptima365.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: 0/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

53ms

Check	Result
Validation Status	⚠️ Bogus
AD Flag (resolver validates)	✗ Not set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	broken trust chain resolving 'it-optima.dk/DNSKEY/IN': 127.0.0.1#53

🏷️ SOA#

81ms

Field	Value
Serial	2024052701
Primary NS (MNAME)	ns.scannet2.dk
Responsible (RNAME)	hostmaster@scannet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-10 08:31:24

Field	Value
Registrar	A/S SCANNET
Registered	1999-03-15
Expires	2027-03-31 (164d)

📋 WHOIS#

⏱️ Lookup Timing#

93ms

30ms

81ms

AAAA

235ms

TXT

239ms

CAA

79ms

HTTPS

40ms

TLSA

1549ms

SOA

81ms

MTA-STS

43ms

DNSSEC

53ms

SRV

346ms

Total

2154ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-01 06:08:08	789ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-27 10:31:38	733ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-21 21:38:50 shown	2154ms	2 NS 1 A 1 MX	⚠️ Bogus
2026-06-18 03:29:17	1815ms	2 NS 1 A 1 MX	🔒 Secure