kernelsolutions.dk

📜 Historical scan 2026-08-25 03:04:29 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

kernelsolutions.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 24 February 2024 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 91.90.42.40 is hosted by Blix Solutions AS (AS50304) in Norway. Mail is handled by kernelsolutions-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 65ms

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 Records#

1 records 72ms

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 Records#

1 records 72ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	kernelsolutions-dk.mail.protection.outlook.com	2a01:111:f403:ca04:: 2a01:111:f403:ca04::c 2a01:111:f403:ca09::7 2a01:111:f403:ca09::b 52.101.68.0 52.101.68.3 52.101.73.28 52.101.73.4	mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-am7pr05cu00103.inbound.protection.outlook.com mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db7pr03cu00403.inbound.protection.outlook.com mail-am7pr05cu00204.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 → 40.104.116.8

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 316ms

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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-08 15:05:38

www CNAME	sunleaf-6091.a.webmercsedge.com (all on webmercsedge.com) → 91.90.42.40 (AS50304)
www vs bare domain	Same network kernelsolutions.dk: 91.90.42.40 (AS50304) www.kernelsolutions.dk: 91.90.42.40 (AS50304)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

2 found

Selector	CNAME	Key
selector1	selector1-kernelsolutions-dk._domainkey.lsrac.y-v1.dkim.mail.microsoft	RSA · ~2048 bit
selector2	selector2-kernelsolutions-dk._domainkey.lsrac.y-v1.dkim.mail.microsoft	RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: -all

No problems found

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

155ms

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

🏷️ SOA#

60ms

Field	Value
Serial	2026081901
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-06 16:04:11

Field	Value
Registrar	ONE.COM A/S
Registered	2024-02-24
Expires	2027-02-23 (128d)

📋 WHOIS#

⏱️ Lookup Timing#

65ms

72ms

AAAA

61ms

TXT

316ms

CAA

71ms

HTTPS

70ms

TLSA

272ms

SOA

60ms

MTA-STS

140ms

DNSSEC

155ms

SRV

88ms

Total

16960ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-24 12:00:28	913ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-30 22:05:07	1963ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-26 13:32:41	1344ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-25 03:04:29 shown	16960ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-20 19:55:52	6624ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-14 18:33:36	1536ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-09 16:20:47	5489ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-07 00:58:00	2299ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-03 13:09:49	9700ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-26 00:24:47	6205ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 19:46:33	997ms	2 NS 1 A 1 MX	🔒 Secure