3lcom.dk DNS records

🖥️ Nameservers2 records 44ms

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 46ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	43200s	3lcom-dk.mail.protection.outlook.com	2a01:111:f403:ca04::4 2a01:111:f403:ca09::20 2a01:111:f403:ca09::8 2a01:111:f403:ca09::9 52.101.68.16 52.101.68.3 52.101.68.36 52.101.73.4	mail-db4pr02cu00204.inbound.protection.outlook.com mail-as8pr05cu00400.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-as8pr04cu00801.inbound.protection.outlook.com mail-db4pr02cu00400.inbound.protection.outlook.com mail-db7pr03cu00403.inbound.protection.outlook.com mail-db5pr02cu00104.inbound.protection.outlook.com mail-am0pr83cu00404.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

📝 TXT Records2 records 195ms

TXT Record
MS=ms92960732
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (3lcom.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)

🔐 DNSSEC191ms

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

🏷️ SOA41ms

Field	Value
Serial	2026062701
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

44ms

A

95ms

MX

46ms

AAAA

55ms

TXT

195ms

CAA

50ms

HTTPS

79ms

TLSA

613ms

SOA

41ms

MTA-STS

147ms

DNSSEC

191ms

SRV

119ms

Total

1183ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-03 10:41:06	3460ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-08-15 14:05:06	2666ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-08-07 23:04:54	5252ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-07-27 21:40:16	7731ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-07-16 22:02:25	1043ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-07-02 00:33:51	1183ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-06-29 03:26:20	723ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-06-26 09:36:24	1592ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-06-20 05:31:54	1771ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-06-20 01:46:40	1340ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-06-16 12:50:49	3344ms	2 NS 0 A 1 MX	🔒 Secure	View