sb-s.dk

📜 Historical scan 2026-07-02 13:49:19 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

sb-s.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 51.12.31.0 is hosted by Microsoft Corporation (AS8075) in Sweden. Mail is handled by dk.mx1.mailanyone.net, dk.mx2.mx25.net and 2 more. The zone is DNSSEC-signed and validates, publishes a 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 55ms

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 51ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
51.12.31.0	3600s	—	AS8075	Microsoft Corporation	51.12.0.0/15	🇸🇪 Sweden	—

📧 MX Records#

4 records 42ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	dk.mx1.mailanyone.net	192.162.219.155 2a01:77c0:1619:4100:6fa6:1315:2bd2:51cd	mx41.electric.net mx11.electric.net	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
20	3600s	dk.mx2.mx25.net	192.162.219.49	mx41.electric.net	AS16509 Amazon.com, Inc.
30	3600s	dk.mx3.mailanyone.net	192.162.219.255 2a01:77c0:1619:4101:d99:c22:fb4d:290e	mx41.electric.net mx10.electric.net	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
40	3600s	dk.mx4.mx25.net	192.162.219.255	mx41.electric.net	AS16509 Amazon.com, Inc.

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 104ms

TXT Record
MS=ms28741766
v=spf1 mx a ip4:78.46.125.21 ip4:87.61.26.210 ip4:89.249.10.36 ip4:217.198.209.46 ip4:89.249.14.246 ip4:89.249.10.33 include:_spf.createsend.com include:spf.comendosystems.com include:spf.hostnordic.com include:spf-partner.lasertryk.dk ~all

✉️ SPF#

Policy	Record (sb-s.dk)
~all (soft fail)	v=spf1 mx a ip4:78.46.125.21 ip4:87.61.26.210 ip4:89.249.10.36 ip4:217.198.209.46 ip4:89.249.14.246 ip4:89.249.10.33 include:_spf.createsend.com include:spf.comendosystems.com include:spf.hostnordic.com include:spf-partner.lasertryk.dk ~all

📨 DMARC#

Policy	Record (_dmarc.sb-s.dk)
p=none (monitor only)	v=DMARC1; p=none; pct=100; rua=mailto:re+rtyk3zugbsi@dmarc.postmarkapp.com; sp=none; aspf=r;

📬 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 2026-10-13 10:02:46

www CNAME	skabertrang2.azurewebsites.net (all on azurewebsites.net) → 51.12.31.0 (AS8075)
www vs bare domain	Same network sb-s.dk: 51.12.31.0 (AS8075) www.sb-s.dk: 51.12.31.0 (AS8075)
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: 10/10 · policy: ~all

warn 10 of the 10 allowed DNS lookups used: one more include can break SPF

🔗 TLSA / DANE#

8 records 137ms

Service / Owner	Type	Cert association
SMTP _25._tcp.dk.mx1.mailanyone.net	DANE-EE · Full cert · SHA-256	443DFE296DAC92DD311766BAD0B04CC7…
SMTP _25._tcp.dk.mx1.mailanyone.net	DANE-EE · Full cert · SHA-256	1AAAC405385DEB66C25E43D629569F6C…
SMTP _25._tcp.dk.mx2.mx25.net	DANE-EE · Full cert · SHA-256	1AAAC405385DEB66C25E43D629569F6C…
SMTP _25._tcp.dk.mx2.mx25.net	DANE-EE · Full cert · SHA-256	443DFE296DAC92DD311766BAD0B04CC7…
SMTP _25._tcp.dk.mx3.mailanyone.net	DANE-EE · Full cert · SHA-256	1AAAC405385DEB66C25E43D629569F6C…
SMTP _25._tcp.dk.mx3.mailanyone.net	DANE-EE · Full cert · SHA-256	443DFE296DAC92DD311766BAD0B04CC7…
SMTP _25._tcp.dk.mx4.mx25.net	DANE-EE · Full cert · SHA-256	1AAAC405385DEB66C25E43D629569F6C…
SMTP _25._tcp.dk.mx4.mx25.net	DANE-EE · Full cert · SHA-256	443DFE296DAC92DD311766BAD0B04CC7…

🔐 DNSSEC#

122ms

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

🏷️ SOA#

51ms

Field	Value
Serial	2025091101
Primary NS (MNAME)	ns1.curanet.dk
Responsible (RNAME)	hostmaster@curanet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

55ms

51ms

42ms

AAAA

48ms

TXT

104ms

CAA

39ms

HTTPS

47ms

TLSA

137ms

SOA

51ms

MTA-STS

61ms

DNSSEC

122ms

SRV

55ms

Total

1170ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-14 00:49:21	966ms	2 NS 1 A 4 MX	🔒 Secure
2026-07-02 13:49:19 shown	1170ms	2 NS 1 A 4 MX	🔒 Secure
2026-06-25 15:28:08	2581ms	2 NS 1 A 4 MX	🔒 Secure
2026-06-25 12:29:37	952ms	2 NS 1 A 4 MX	🔒 Secure
2026-06-17 22:12:36	1180ms	2 NS 1 A 4 MX	🔒 Secure