letkoeb.dk DNS records

🖥️ Nameservers2 records 40ms

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 45ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
62.199.150.153	3600s	ip62-199-150-153.ip.asom-net.dk	AS3308	Norlys Telco A/S	62.198.0.0/15	🇩🇰 Denmark	Copenhagen

📧 MX Records1 records 77ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	letkoeb-dk.mail.protection.outlook.com	2a01:111:f403:ca04::7 2a01:111:f403:ca04::9 2a01:111:f403:ca04::c 2a01:111:f403:ca09::2 52.101.68.21 52.101.68.39 52.101.73.15 52.101.73.6	mail-db4pr02cu00307.inbound.protection.outlook.com mail-db7pr03cu00601.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-am0pr83cu00402.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-am6pr04cu00306.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 → 40.104.116.24

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 120ms

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

📝 TXT Records2 records 170ms

TXT Record
MS=ms76933210
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (letkoeb.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)

🔐 DNSSEC117ms

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

🏷️ SOA0ms

Field	Value
Serial	2026032501
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

40ms

A

45ms

MX

77ms

AAAA

48ms

TXT

170ms

CAA

50ms

HTTPS

48ms

TLSA

599ms

SOA

0ms

MTA-STS

69ms

DNSSEC

117ms

SRV

120ms

Total

1349ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 06:28:11	1349ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-25 16:30:14	1586ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-03 00:14:27	4679ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-27 18:21:12	1836ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-18 07:15:49	2816ms	2 NS 1 A 1 MX	🔒 Secure	View