optimumhr.dk

📜 Historical scan 2026-06-18 04:02:30 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

optimumhr.dk is a .dk domain served by 2 nameservers (ns.dandomain.dk, ns2.dandomain.dk). It was registered on 19 September 2018 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by optimumhr-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, has no 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 169ms

Nameserver	IP addresses	PTR	ASN / ISP
ns.dandomain.dk	185.25.141.3 2a02:2339:4006:109::dd	ns.dandomain.dk ns.dandomain.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.dandomain.dk	2a02:2339:1:108::dd:dd 91.197.248.66	ns2.dandomain.dk ns2.dandomain.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 163ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
93.191.158.48	—	linux28.dandomain.dk	AS48854	—	—	—	—

📧 MX Records#

1 records 165ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	optimumhr-dk.mail.protection.outlook.com	2a01:111:f403:ca04:: 2a01:111:f403:ca04::1 2a01:111:f403:ca09::c 2a01:111:f403:ca09::e 52.101.68.3 52.101.73.15 52.101.73.16 52.101.73.30	mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db7pr03cu00401.inbound.protection.outlook.com mail-as8pr05cu00304.inbound.protection.outlook.com mail-am7pr05cu00206.inbound.protection.outlook.com mail-db7pr03cu00403.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-am7pr05cu00306.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 → 52.97.188.72
🔶 Autoconfig	93.191.158.48

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 289ms

TXT Record
f473eb6048dc507a50cdb948679f2f31
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

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

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 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 2026-10-12 20:36:49

www	93.191.158.48 (AS48854) (address records, no CNAME)
www vs bare domain	Same network optimumhr.dk: 93.191.158.48 (AS48854) www.optimumhr.dk: 93.191.158.48 (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: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

230ms

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

🏷️ SOA#

144ms

Field	Value
Serial	2025061001
Primary NS (MNAME)	ns.dandomain.dk
Responsible (RNAME)	hostmaster@dandomain.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-07 10:22:47

Field	Value
Registrar	DANDOMAIN A/S
Registered	2018-09-19
Expires	2027-09-30 (347d)

📋 WHOIS#

⏱️ Lookup Timing#

169ms

163ms

165ms

AAAA

161ms

TXT

289ms

CAA

164ms

HTTPS

161ms

TLSA

178ms

SOA

144ms

MTA-STS

163ms

DNSSEC

230ms

SRV

251ms

Total

1080ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 10:19:54	884ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-29 22:58:18	1141ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-22 04:05:59	1292ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-02 18:41:17	914ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-22 19:26:08	785ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-18 04:02:30 shown	1080ms	2 NS 1 A 1 MX	🔒 Secure