decon.dk

Records from scan: 2026-10-04 23:05:25 · 1461ms total · last checked 2026-10-16 13:22 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

decon.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 10 October 2019 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 91.189.43.119 is hosted by Hostek AB (AS29024) in Sweden. Mail is handled by decon-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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 43ms

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 37ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
91.189.43.119	3600s	—	AS29024	Hostek AB	91.189.40.0/21	🇸🇪 Sweden	—

📧 MX Records#

1 records 34ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	decon-dk.mail.protection.outlook.com	2a01:111:f403:ca04::a 2a01:111:f403:ca21::8 2a01:111:f403:ca38::8 2a01:111:f403:ca3c::6 52.101.103.143 52.101.68.15 52.101.73.145 52.101.91.162	mail-du0pr03cu00102.inbound.protection.outlook.com mail-matpr04cu00100.inbound.protection.outlook.com mail-wa4pr04cu00100.inbound.protection.outlook.com mail-zrxpr04cu00106.inbound.protection.outlook.com mail-miypr03cu00107.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-am6pr02cu00301.inbound.protection.outlook.com mail-matpr04cu00302.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

📝 TXT Records#

2 records 126ms

TXT Record
MS=ms17049042
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

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

📨 DMARC#

Policy	Record (_dmarc.decon.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:dmarc-noreply@decon.dk; ruf=mailto:dmarc-noreply@decon.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#

checked 2026-10-09 02:04:01

www	91.189.43.119 (AS29024) (address records, no CNAME)
www vs bare domain	Same network decon.dk: 91.189.43.119 (AS29024) www.decon.dk: 91.189.43.119 (AS29024)
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#

109ms

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

🏷️ SOA#

45ms

Field	Value
Serial	2026100301
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 2026-10-04 23:50:09

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2019-10-10
Expires	2026-10-31 (14d)

📋 WHOIS#

⏱️ Lookup Timing#

43ms

37ms

34ms

AAAA

31ms

TXT

126ms

CAA

32ms

HTTPS

42ms

TLSA

831ms

SOA

45ms

MTA-STS

46ms

DNSSEC

109ms

SRV

108ms

Total

1461ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-04 23:05:25 shown	1461ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-14 00:01:51	3120ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-06 06:45:24	1464ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-27 21:53:33	809ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-03 16:01:30	9081ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-03 14:41:08	5270ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-24 09:02:38	1023ms	2 NS 1 A 1 MX	⚠️ Bogus
2026-06-22 06:31:11	918ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-17 01:25:43	2675ms	2 NS 1 A 1 MX	🔒 Secure