kernelsolutions.dk DNS records

🖥️ Nameservers2 records 104ms

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 99ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
91.90.42.40	600s	s91904240.blix.com	AS50304	Blix Solutions AS	91.90.40.0/21	🇳🇴 Norway	—

📧 MX Records1 records 89ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	kernelsolutions-dk.mail.protection.outlook.com	2a01:111:f403:ca04::1 2a01:111:f403:ca04::2 2a01:111:f403:ca09::3 2a01:111:f403:ca48::8 52.101.68.21 52.101.68.5 52.101.73.126 52.101.73.6	mail-db7pr03cu00401.inbound.protection.outlook.com mail-du2pr03cu00102.inbound.protection.outlook.com mail-am6pr04cu00303.inbound.protection.outlook.com mail-miypr02cu00100.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-du2pr03cu00105.inbound.protection.outlook.com mail-am8pr83cu00106.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 → 40.104.116.8

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 430ms

TXT Record
v=spf1 include:_custspf.one.com include:spf.protection.outlook.com -all

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.kernelsolutions.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:sales@kernelsolutions.dk; ruf=mailto:sales@kernelsolutions.dk

📬 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)

🔐 DNSSEC329ms

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

🏷️ SOA0ms

Field	Value
Serial	2026083004
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

104ms

A

99ms

MX

89ms

AAAA

74ms

TXT

430ms

CAA

93ms

HTTPS

134ms

TLSA

744ms

SOA

0ms

MTA-STS

157ms

DNSSEC

329ms

SRV

165ms

Total

1963ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-30 22:05:07	1963ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-26 13:32:41	1344ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-25 03:04:29	16960ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-20 19:55:52	6624ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-14 18:33:36	1536ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-09 16:20:47	5489ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-07 00:58:00	2299ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-03 13:09:49	9700ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-26 00:24:47	6205ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 19:46:33	997ms	2 NS 1 A 1 MX	🔒 Secure	View