fs-ret.dk DNS records

🖥️ Nameservers2 records 282ms

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 235ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
77.111.240.159	3600s	webcluster1.webpod11-cph3.one.com	AS51468	One.com A/S	77.111.240.0/22	🇩🇰 Denmark	Copenhagen

📧 MX Records1 records 291ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	fsret-dk0e.mail.protection.outlook.com	2a01:111:f403:ca04::a 2a01:111:f403:ca04::b 2a01:111:f403:ca04::d 2a01:111:f403:ca09::1 52.101.103.137 52.101.73.11 52.101.73.12 52.101.73.26	mail-du0pr03cu00102.inbound.protection.outlook.com mail-dbbpr03cu00103.inbound.protection.outlook.com mail-db6pr03cu00105.inbound.protection.outlook.com mail-as9pr07cu00301.inbound.protection.outlook.com mail-miypr02cu00101.inbound.protection.outlook.com mail-am1pr04cu00103.inbound.protection.outlook.com mail-am4pr0401cu00104.inbound.protection.outlook.com mail-as9pr05cu01302.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	77.111.240.135

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records3 records 916ms

TXT Record
MS=ms83447029
P-TiLzYJkyeD
v=spf1 include:spf.protection.outlook.com include:_custspf.one.com include:spf.permido.com -all

✉️ SPF

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

🔐 DNSSEC454ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082101
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

282ms

A

235ms

MX

291ms

AAAA

280ms

TXT

916ms

CAA

240ms

HTTPS

238ms

TLSA

578ms

SOA

0ms

MTA-STS

341ms

DNSSEC

454ms

SRV

341ms

Total

5658ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-22 06:09:11	5658ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-17 22:26:44	14243ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-22 16:01:23	6827ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-06 23:01:23	1678ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-20 16:52:34	711ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 10:29:56	1299ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 10:27:29	1187ms	2 NS 1 A 1 MX	🔒 Secure	View