sb.dk

📜 Historical scan 2026-06-17 23:33:15 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

sb.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It was registered on 11 March 1997 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 144.76.135.224 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by sb-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 42ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.curanet.dk	185.25.141.12 2a02:2339:4006:108::123	ns1.curanet.dk ns1.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.curanet.dk	2a02:2339:1:10f::123:123 91.197.248.75	ns2.curanet.dk ns2.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 45ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
144.76.135.224	—	static01.bubbleweb.dk	AS24940	Hetzner Online GmbH	144.76.0.0/16	🇩🇪 Germany	Falkenstein

📧 MX Records#

1 records 131ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	—	sb-dk.mail.protection.outlook.com	2a01:111:f403:ca04:: 2a01:111:f403:ca09::3 2a01:111:f403:ca09::8 2a01:111:f403:ca09::f 52.101.68.3 52.101.68.5 52.101.73.153 52.101.73.4	mail-db3pr0202cu00100.inbound.protection.outlook.com mail-am6pr04cu00303.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-am7pr05cu00307.inbound.protection.outlook.com mail-db7pr03cu00403.inbound.protection.outlook.com mail-du2pr03cu00105.inbound.protection.outlook.com mail-as8pr05cu00401.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 → 52.98.149.152

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 160ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records#

3 records 167ms

TXT Record
MS=ms24992065
MS=ms48350655
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (sb.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 2026-10-14 21:17:03

www CNAME	sb.dk (all on sb.dk) → 144.76.135.224 (AS24940)
www vs bare domain	Same network sb.dk: 144.76.135.224 (AS24940) www.sb.dk: 144.76.135.224 (AS24940)
Wildcard	No
Denial of existence	NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
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#

81ms

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

🏷️ SOA#

54ms

Field	Value
Serial	2023061501
Primary NS (MNAME)	ns1.curanet.dk
Responsible (RNAME)	hostmaster@curanet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-05 13:59:08

Field	Value
Registrar	CURANET A/S
Registered	1997-03-11
Expires	2027-03-31 (164d)

📋 WHOIS#

⏱️ Lookup Timing#

42ms

45ms

131ms

AAAA

41ms

TXT

167ms

CAA

54ms

HTTPS

47ms

TLSA

195ms

SOA

54ms

MTA-STS

43ms

DNSSEC

81ms

SRV

160ms

Total

896ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-03 14:08:32	1027ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-28 00:13:49	853ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-26 04:29:52	747ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-27 07:42:35	2100ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-20 02:20:13	759ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-20 00:24:18	918ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 23:33:15 shown	896ms	2 NS 1 A 1 MX	🔒 Secure