siber.dk

Records from scan: 2026-10-03 21:00:56 · 1333ms total · last checked 2026-10-18 14:06 (unchanged)

⬇ 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 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 57ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
80.63.102.90	3600s	—	AS3292	TDC Holding A/S	80.62.0.0/15	🇩🇰 Denmark	—

📧 MX Records#

1 records 53ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	siber-dk.mail.protection.outlook.com	2a01:111:f403:ca09::22 2a01:111:f403:ca09::24 2a01:111:f403:ca21::a 2a01:111:f403:ca48::a 52.101.103.137 52.101.103.143 52.101.181.156 52.101.68.21	mail-am7pr02cu00302.inbound.protection.outlook.com mail-am6pr02cu00204.inbound.protection.outlook.com mail-maspr04cu00102.inbound.protection.outlook.com mail-miypr02cu00202.inbound.protection.outlook.com mail-miypr02cu00101.inbound.protection.outlook.com mail-miypr03cu00107.inbound.protection.outlook.com mail-wa4pr05cu00104.inbound.protection.outlook.com mail-db4pr02cu00205.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 → 52.98.149.136

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 181ms

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#

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#

85ms

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

🏷️ SOA#

49ms

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 2026-10-03 21:34:04

Field	Value
Registrar	ONE.COM A/S
Registered	2021-03-11
Expires	2027-03-31 (163d)

📋 WHOIS#

⏱️ Lookup Timing#

43ms

57ms

53ms

AAAA

47ms

TXT

181ms

CAA

64ms

HTTPS

65ms

TLSA

719ms

SOA

49ms

MTA-STS

77ms

DNSSEC

85ms

SRV

83ms

Total

1333ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-03 21:00:56 shown	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	2293ms	2 NS 1 A 1 MX	🔒 Secure