lars-jakobsen.dk DNS records

🖥️ Nameservers2 records 28ms

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 21ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
195.47.247.18	3600s	one.com.webforward.g1i.one	AS51468	One.com A/S	195.47.247.0/24	—	—

📧 MX Records1 records 24ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	600s	larsjakobsen-dk01b.mail.protection.outlook.com	2a01:111:f403:ca04::10 2a01:111:f403:ca04::c 2a01:111:f403:ca09::26 2a01:111:f403:ca09::b 52.101.103.36 52.101.68.25 52.101.73.123 52.101.73.153	mail-dbapr03cu00100.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-am8pr83cu00106.inbound.protection.outlook.com mail-am7pr05cu00103.inbound.protection.outlook.com mail-miypr05cu00104.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-am6pr02cu00203.inbound.protection.outlook.com mail-as8pr05cu00401.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
🔶 Autoconfig	195.47.247.18

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records4 records 135ms

TXT Record
0ed1fe018a1c0ea16970a14d5084bc86c9dac90c06
MS=ms29706770
MS=ms67942547
v=spf1 include:eu._netblocks.mimecast.com include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (lars-jakobsen.dk)
-all (hard fail)	v=spf1 include:eu._netblocks.mimecast.com 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)

🔐 DNSSEC95ms

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

🏷️ SOA0ms

Field	Value
Serial	2026090307
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

28ms

A

21ms

MX

24ms

AAAA

22ms

TXT

135ms

CAA

22ms

HTTPS

31ms

TLSA

353ms

SOA

0ms

MTA-STS

48ms

DNSSEC

95ms

SRV

46ms

Total

848ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-06 02:16:54	848ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-28 02:32:13	1333ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-27 03:08:30	866ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-20 01:33:02	5879ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-17 07:05:59	3862ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-18 12:18:22	16986ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-07 00:05:18	1926ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 22:33:40	732ms	2 NS 1 A 1 MX	🔒 Secure	View