plena.dk DNS records

🖥️ Nameservers2 records 93ms

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 87ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
77.111.240.147	3600s	webcluster20.webpod11-cph3.one.com	AS51468	One.com A/S	77.111.240.0/22	🇩🇰 Denmark	Copenhagen

📧 MX Records1 records 99ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	plena-dk.mail.protection.outlook.com	2a01:111:f403:ca04::c 2a01:111:f403:ca09::24 2a01:111:f403:ca09::b 2a01:111:f403:ca09::c 52.101.68.21 52.101.68.3 52.101.68.32 52.101.73.153	mail-db9pr02cu00204.inbound.protection.outlook.com mail-am6pr02cu00204.inbound.protection.outlook.com mail-am7pr05cu00103.inbound.protection.outlook.com mail-as8pr05cu00304.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-db7pr03cu00403.inbound.protection.outlook.com mail-db3pr0202cu00200.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 → 40.104.116.40
🔶 Autoconfig	77.111.240.147

🔷 AAAA Records (IPv6)1 records 64ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:102:9c:e12a:23aa:be4	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 355ms

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

✉️ SPF

Policy	Record (plena.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

🔗 TLSA / DANE

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

🔐 DNSSEC235ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082805
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 RegistrationWHOIS fetched 2026-08-27 20:25:45

Field	Value
Registrar	ONE.COM A/S
Registered	2019-03-13
Expires	2027-03-31 (209d)

📋 WHOIS

⏱️ Lookup Timing

NS

93ms

A

87ms

MX

99ms

AAAA

64ms

TXT

355ms

CAA

74ms

HTTPS

85ms

TLSA

1132ms

SOA

0ms

MTA-STS

152ms

DNSSEC

235ms

SRV

227ms

Total

2644ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 23:22:26	2644ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-27 20:25:22	1419ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-27 02:38:56	1376ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-25 20:11:41	913ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-04 23:58:41	10514ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-03 21:23:34	1402ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-01 10:50:03	813ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-28 02:08:40	1312ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 12:17:38	2529ms	2 NS 1 A 1 MX	🔒 Secure	View