siber.dk

📜 Historical scan 2026-06-18 07:41:02 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

siber.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 11 March 2021 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 80.63.102.90 is hosted by TDC Holding A/S (AS3292) in Denmark. Mail is handled by siber-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 119ms

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 105ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
80.63.102.90	—	—	AS3292	TDC Holding A/S	80.62.0.0/15	🇩🇰 Denmark	Taastrup

📧 MX Records#

1 records 99ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	—	siber-dk.mail.protection.outlook.com	2a01:111:f403:ca04::5 2a01:111:f403:ca04::6 2a01:111:f403:ca04::c 2a01:111:f403:ca09::3 52.101.68.15 52.101.68.5 52.101.68.8 52.101.73.153	mail-db3pr0202cu00205.inbound.protection.outlook.com mail-db4pr02cu00406.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-am6pr04cu00303.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-du2pr03cu00105.inbound.protection.outlook.com mail-du0pr03cu00100.inbound.protection.outlook.com mail-as8pr05cu00401.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 → 52.98.241.200

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 285ms

TXT Record
MS=ms82569582
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (siber.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 2026-10-15 04:21:34

www	80.63.102.90 (AS3292) (address records, no CNAME)
www vs bare domain	Same network siber.dk: 80.63.102.90 (AS3292) www.siber.dk: 80.63.102.90 (AS3292)
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#

216ms

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

🏷️ SOA#

88ms

Field	Value
Serial	2026051701
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 2026-10-03 21:34:04

Field	Value
Registrar	ONE.COM A/S
Registered	2021-03-11
Expires	2027-03-31 (162d)

📋 WHOIS#

⏱️ Lookup Timing#

119ms

105ms

99ms

AAAA

96ms

TXT

285ms

CAA

108ms

HTTPS

105ms

TLSA

1280ms

SOA

88ms

MTA-STS

39ms

DNSSEC

216ms

SRV

295ms

Total

2293ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-03 21:00:56	1333ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-28 20:30:33	1159ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-14 05:44:24	3646ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-18 07:41:02 shown	2293ms	2 NS 1 A 1 MX	🔒 Secure