1501.dk DNS records

🖥️ Nameservers2 records 53ms

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 Records

🌍

No A records found

📧 MX Records1 records 43ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	1501-dk.mail.protection.outlook.com	2a01:111:f403:ca04::9 2a01:111:f403:ca09::5 2a01:111:f403:ca09::c 2a01:111:f403:ca09::d 52.101.68.18 52.101.68.39 52.101.73.11 52.101.73.16	mail-db7pr03cu00601.inbound.protection.outlook.com mail-am1pr04cu00105.inbound.protection.outlook.com mail-as8pr05cu00304.inbound.protection.outlook.com mail-as9pr05cu01305.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-am1pr04cu00103.inbound.protection.outlook.com mail-as2pr05cu00100.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 → 52.98.154.152

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 518ms

TXT Record
MS=ms15548746
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (1501.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)

🔐 DNSSEC2096ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	resolution failed: ncache nxrrset

🏷️ SOA55ms

Field	Value
Serial	2026032401
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

53ms

A

60ms

MX

43ms

AAAA

32ms

TXT

518ms

CAA

32ms

HTTPS

55ms

TLSA

211ms

SOA

55ms

MTA-STS

116ms

DNSSEC

2096ms

SRV

445ms

Total

4191ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-07-04 21:55:41	4191ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-06-22 06:04:28	1117ms	2 NS 0 A 1 MX	⚠️ Bogus	View
2026-06-20 23:21:40	1011ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-06-20 04:02:31	2394ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-06-19 17:19:57	639ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-06-16 12:44:03	1808ms	2 NS 0 A 1 MX	🔒 Secure	View