prec.dk DNS records

🖥️ Nameservers2 records 50ms

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 52ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
77.111.240.134	3600s	webcluster7.webpod11-cph3.one.com	AS51468	One.com A/S	77.111.240.0/22	🇩🇰 Denmark	Copenhagen

📧 MX Records1 records 48ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	prec-dk.mail.protection.outlook.com	2a01:111:f403:c967::8 2a01:111:f403:ca04:: 2a01:111:f403:ca04::2 2a01:111:f403:ca04::7 52.101.103.137 52.101.68.12 52.101.68.18 52.101.68.8	mail-cpjpr04cu00100.inbound.protection.outlook.com mail-db3pr0202cu00100.inbound.protection.outlook.com mail-du2pr03cu00102.inbound.protection.outlook.com mail-db4pr02cu00307.inbound.protection.outlook.com mail-miypr02cu00101.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-du0pr03cu00100.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

🔷 AAAA Records (IPv6)1 records 91ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:102:34:d95f:aa8c:5fdc	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 Records2 records 214ms

TXT Record
Ms=ms72029080
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (prec.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)

🔐 DNSSEC104ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082205
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

50ms

A

52ms

MX

48ms

AAAA

91ms

TXT

214ms

CAA

63ms

HTTPS

64ms

TLSA

369ms

SOA

0ms

MTA-STS

80ms

DNSSEC

104ms

SRV

82ms

Total

1374ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 13:01:36	1374ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-23 03:56:25	9138ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-16 20:57:38	1407ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-19 17:15:33	6036ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-17 01:15:01	1978ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-28 16:26:57	822ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-25 13:39:37	752ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-18 06:12:59	1005ms	2 NS 1 A 1 MX	🔒 Secure	View