lefthandlab.dk DNS records

🖥️ Nameservers2 records 121ms

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 Records2 records 104ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
31.43.160.6	3600s	—	AS16509	Amazon.com, Inc.	31.43.160.0/23	🇳🇱 The Netherlands	Amsterdam
31.43.161.6	3600s	—	AS16509	Amazon.com, Inc.	31.43.160.0/23	🇳🇱 The Netherlands	Amsterdam

📧 MX Records1 records 130ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	10800s	lefthandlab-dk.mail.protection.outlook.com	2a01:111:f403:c967:: 2a01:111:f403:c967::2 2a01:111:f403:c967::4 2a01:111:f403:c967::6 52.101.209.2 52.101.209.4 52.101.209.6 52.101.209.74	mail-cpcp307cu00400.inbound.protection.outlook.com mail-cpap307cu00402.inbound.protection.outlook.com mail-cpap307cu00204.inbound.protection.outlook.com mail-cpcp307cu00206.inbound.protection.outlook.com mail-cpap307cu00402.inbound.protection.outlook.com mail-cpap307cu00204.inbound.protection.outlook.com mail-cpcp307cu00206.inbound.protection.outlook.com mail-cpcp307cu00402.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

📝 TXT Records3 records 384ms

TXT Record
google-site-verification=JDwou_KPVe8IfI4cDkOF9HoShrsa_1t7I3lGhgbW2GU
MS=ms78533646
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (lefthandlab.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -all

📨 DMARC

Policy	Record (_dmarc.lefthandlab.dk)
p=reject	v=DMARC1; p=reject

📬 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)

🔐 DNSSEC168ms

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

🏷️ SOA0ms

Field	Value
Serial	2026081701
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 RegistrationWHOIS fetched 2026-08-18 21:17:40

Field	Value
Registrar	ONE.COM A/S
Registered	2026-05-12
Expires	2027-05-11 (247d)

📋 WHOIS

⏱️ Lookup Timing

NS

121ms

A

104ms

MX

130ms

AAAA

104ms

TXT

384ms

CAA

120ms

HTTPS

108ms

TLSA

16068ms

SOA

0ms

MTA-STS

107ms

DNSSEC

168ms

SRV

159ms

Total

18282ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-18 21:17:03	18282ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-08-04 09:47:45	1576ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-07-24 08:54:31	1048ms	2 NS 2 A 4 MX	🔒 Secure	View
2026-07-23 07:49:38	2799ms	2 NS 2 A 4 MX	🔒 Secure	View
2026-07-21 10:52:30	8549ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-07-18 05:31:58	830ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-20 03:26:05	420ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-17 14:45:43	1142ms	2 NS 1 A 0 MX	🔓 Insecure	View