optiva.dk DNS records

🖥️ Nameservers2 records 298ms

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 Records1 records 261ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
77.111.241.92	3600s	webcluster1.wordpresspod2-cph3.one.com	AS51468	One.com A/S	77.111.240.0/22	🇩🇰 Denmark	Copenhagen

📧 MX Records1 records 491ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	optiva-dk.mail.protection.outlook.com	2a01:111:f403:ca04::10 2a01:111:f403:ca04::2 2a01:111:f403:ca09::3 2a01:111:f403:ca09::7 52.101.103.140 52.101.68.15 52.101.68.3 52.101.73.153	mail-dbapr03cu00100.inbound.protection.outlook.com mail-du2pr03cu00102.inbound.protection.outlook.com mail-am6pr04cu00303.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-miypr02cu00204.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-db7pr03cu00403.inbound.protection.outlook.com mail-as8pr05cu00401.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 → 40.104.116.56

🔷 AAAA Records (IPv6)1 records 318ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:104:e2:2e3d:5d10:c693	3600s	—	AS51468	One.com A/S	2a02:2350:0:0:0:0:0:0/32	🇩🇰 Denmark	Copenhagen

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 711ms

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

✉️ SPF

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

🔗 TLSA / DANE

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

🔐 DNSSEC665ms

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

🏷️ SOA0ms

Field	Value
Serial	2026083001
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

298ms

A

261ms

MX

491ms

AAAA

318ms

TXT

711ms

CAA

487ms

HTTPS

286ms

TLSA

479ms

SOA

0ms

MTA-STS

530ms

DNSSEC

665ms

SRV

489ms

Total

3104ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-31 12:54:23	3104ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-30 04:57:19	2408ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-29 03:12:50	1649ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-23 00:06:06	5420ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-16 13:35:09	26224ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-14 18:32:46	1804ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-13 12:15:16	5784ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 13:02:52	2274ms	2 NS 1 A 1 MX	🔒 Secure	View