jacobsengruppen.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 47ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.150.199.100	600s	—	AS202914	Adeo Datacenter ApS	185.150.196.0/22	🇩🇰 Denmark	Albertslund

📧 MX Records1 records 38ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	jacobsengruppen-dk.mail.protection.outlook.com	2a01:111:f403:ca04:: 2a01:111:f403:ca04::5 2a01:111:f403:ca04::6 2a01:111:f403:ca09::5 52.101.73.16 52.101.73.24 52.101.73.30 52.101.73.4	mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db3pr0202cu00205.inbound.protection.outlook.com mail-db4pr02cu00406.inbound.protection.outlook.com mail-am1pr04cu00105.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-as8pr05cu00300.inbound.protection.outlook.com mail-am7pr05cu00306.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 → 40.104.116.56

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 177ms

TXT Record
MS=ms87077112
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (jacobsengruppen.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)

🔐 DNSSEC108ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082401
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

47ms

MX

38ms

AAAA

65ms

TXT

177ms

CAA

66ms

HTTPS

48ms

TLSA

372ms

SOA

0ms

MTA-STS

110ms

DNSSEC

108ms

SRV

87ms

Total

927ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 03:06:18	927ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-25 05:52:56	770ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-12 09:24:46	5164ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-25 10:52:02	1332ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-24 17:07:47	705ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-23 11:32:38	1146ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-18 07:30:56	992ms	2 NS 1 A 1 MX	🔒 Secure	View