digiknowhow.dk

📜 Historical scan 2026-08-10 19:20:20 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

digiknowhow.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 28 November 2014 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 78.156.121.55 is hosted by Sinal A/S (AS39642) in Denmark. Mail is handled by digiknowhow-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, has no 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 201ms

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 142ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
78.156.121.55	43200s	—	AS39642	Sinal A/S	78.156.96.0/19	🇩🇰 Denmark	Hammel

📧 MX Records#

1 records 157ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	43200s	digiknowhow-dk.mail.protection.outlook.com	2a01:111:f403:ca04::5 2a01:111:f403:ca04::e 2a01:111:f403:ca09::20 2a01:111:f403:ca09::6 52.101.68.27 52.101.68.3 52.101.73.2 52.101.73.6	mail-db3pr0202cu00205.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-as8pr05cu00400.inbound.protection.outlook.com mail-am4pr0401cu00106.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-db7pr03cu00403.inbound.protection.outlook.com mail-as9pr07cu00302.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 → 40.104.116.40

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 227ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	0	1	5061	sipfed.online.lync.com

📝 TXT Records#

2 records 334ms

TXT Record
MS=ms72752366
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (digiknowhow.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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-10 13:32:30

www	78.156.121.55 (AS39642) (address records, no CNAME)
www vs bare domain	Same network digiknowhow.dk: 78.156.121.55 (AS39642) www.digiknowhow.dk: 78.156.121.55 (AS39642)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

264ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026081001
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 2026-10-10 14:09:50

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2014-11-28
Expires	2026-11-30 (40d)

📋 WHOIS#

⏱️ Lookup Timing#

201ms

142ms

157ms

AAAA

129ms

TXT

334ms

CAA

213ms

HTTPS

126ms

TLSA

233ms

SOA

0ms

MTA-STS

188ms

DNSSEC

264ms

SRV

227ms

Total

2841ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-10 13:32:30	1358ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-30 04:02:40	601ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-10 12:58:34	1522ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-27 07:39:35	1024ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-10 19:20:20 shown	2841ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-16 15:17:25	1319ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-10 22:40:16	2339ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 02:46:20	751ms	2 NS 1 A 1 MX	🔒 Secure