optimael.dk DNS records

🖥️ Nameservers2 records 220ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records

🌍

No A records found

📧 MX Records1 records 256ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	optimael-dk.mail.protection.outlook.com	2a01:111:f403:ca04::6 2a01:111:f403:ca04::c 2a01:111:f403:ca09:: 2a01:111:f403:ca09::3 52.101.68.15 52.101.73.12 52.101.73.19 52.101.73.4	mail-db4pr02cu00406.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-am3pr04cu00500.inbound.protection.outlook.com mail-am6pr04cu00303.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-am4pr0401cu00104.inbound.protection.outlook.com mail-as8pr04cu00803.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 → 40.104.116.40
🔶 Autoconfig	php54serv6.webhosting.dk → 157.250.163.18

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 556ms

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

✉️ SPF

Policy	Record (optimael.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

🔏 ACME Challenge

Type	Name	Value
CNAME	_acme-challenge.optimael.dk	php54serv6.webhosting.dk

🔗 TLSA / DANE

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

🔐 DNSSEC449ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	resolution failed: ncache nxrrset

🏷️ SOA0ms

Field	Value
Serial	2026081001
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

220ms

A

233ms

MX

256ms

AAAA

220ms

TXT

556ms

CAA

241ms

HTTPS

265ms

TLSA

593ms

SOA

0ms

MTA-STS

376ms

DNSSEC

449ms

SRV

321ms

Total

5884ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-10 16:47:14	5884ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-07-16 03:07:47	1851ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-07-12 00:58:35	1363ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-07-02 17:31:51	1146ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-06-27 11:30:33	847ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-06-20 03:58:38	770ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-06-18 05:04:54	1591ms	2 NS 0 A 1 MX	🔒 Secure	View