plan1.dk DNS records

🖥️ Nameservers2 records 1192ms

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 64ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.206.161.44	600s	—	AS47583	Hostinger International Limited	185.206.160.0/22	🇳🇱 The Netherlands	Meppel

📧 MX Records1 records 142ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	43200s	plan1-dk.mail.protection.outlook.com	2a01:111:f403:ca04::1 2a01:111:f403:ca04::9 2a01:111:f403:ca09::7 2a01:111:f403:ca09::a 52.101.73.1 52.101.73.126 52.101.73.16 52.101.73.19	mail-db7pr03cu00401.inbound.protection.outlook.com mail-db7pr03cu00601.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-am7pr02cu00202.inbound.protection.outlook.com mail-am3pr04cu00501.inbound.protection.outlook.com mail-am8pr83cu00106.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-as8pr04cu00803.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 → 40.104.116.8

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 1224ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	0	1	5061	sipfed.online.lync.com

📝 TXT Records1 records 1469ms

TXT Record
v=spf1 ip4:62.116.201.192/26 include:spf.protection.outlook.com include:spf.mtasv.net include:servers.mcsv.net ip4:77.221.226.24 a:smtp.supporten.nu ~all

✉️ SPF

Policy	Record (plan1.dk)
~all (soft fail)	v=spf1 ip4:62.116.201.192/26 include:spf.protection.outlook.com include:spf.mtasv.net include:servers.mcsv.net ip4:77.221.226.24 a:smtp.supporten.nu ~all

📨 DMARC

Policy	Record (_dmarc.plan1.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:7lrymkqp@ag.eu.dmarcian.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

🔗 TLSA / DANE

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

🔐 DNSSEC1459ms

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

1192ms

A

64ms

MX

142ms

AAAA

1204ms

TXT

1469ms

CAA

1179ms

HTTPS

1186ms

TLSA

866ms

SOA

0ms

MTA-STS

1234ms

DNSSEC

1459ms

SRV

1224ms

Total

3752ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-31 01:08:42	3752ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-27 01:03:40	986ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-25 21:14:14	905ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-11 15:23:16	1490ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-27 23:34:45	1554ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-26 00:03:26	3016ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-20 18:56:26	1192ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-17 23:13:30	824ms	2 NS 1 A 1 MX	🔒 Secure	View