sjbornholm.dk

Records from scan: 2026-10-23 11:34:59 · 553ms total · last checked 2026-10-25 19:47 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

sjbornholm.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It was registered on 12 January 2010 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 83.91.91.15 is hosted by TDC Holding A/S (AS3292) in Denmark. Mail is handled by sjbornholm-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 22ms

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 24ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
83.91.91.15	3600s	83-91-91-15-static.dk.customer.tdc.net	AS3292	TDC Holding A/S	83.90.0.0/15	🇩🇰 Denmark	—

📧 MX Records#

1 records 19ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	sjbornholm-dk.mail.protection.outlook.com	2a01:111:f403:ca04::9 2a01:111:f403:ca04::c 2a01:111:f403:ca21::10 2a01:111:f403:ca48::e 52.101.103.39 52.101.209.28 52.101.68.15 52.101.91.159	mail-db7pr03cu00601.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-matpr05cu00100.inbound.protection.outlook.com mail-miypr03cu00206.inbound.protection.outlook.com mail-miypr05cu00207.inbound.protection.outlook.com mail-cpjpr05cu00104.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-matpr04cu00207.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 → 52.98.154.152

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 81ms

TXT Record
MS=90538282
v=spf1 ip4:83.91.91.0/26 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (sjbornholm.dk)
-all (hard fail)	v=spf1 ip4:83.91.91.0/26 include:spf.protection.outlook.com -all

📨 DMARC#

Policy	Record (_dmarc.sjbornholm.dk)
p=quarantine	v=DMARC1; p=quarantine; sp=reject; rua=mailto:dmarcreports@scanmail.nu;

📬 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 2026-10-23 11:34:59

www	83.91.91.15 (AS3292) (address records, no CNAME)
www vs bare domain	Same network sjbornholm.dk: 83.91.91.15 (AS3292) www.sjbornholm.dk: 83.91.91.15 (AS3292)
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

✍️ DKIM keys#

1 found

Selector	CNAME	Key
selector1	selector1-sjbornholm-dk._domainkey.sjbornholm.onmicrosoft.com	RSA · ~1024 bit below 2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 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#

94ms

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

🏷️ SOA#

17ms

Field	Value
Serial	2026032301
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 2026-10-25 01:09:41

Field	Value
Registrar	CURANET A/S
Registered	2010-01-12
Expires	2027-01-31 (96d)

🔗 Same registrant#

1 domain

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

Domain	Registrar
bornholmerslagteren.dk	CURANET A/S

📋 WHOIS#

⏱️ Lookup Timing#

22ms

24ms

19ms

AAAA

20ms

TXT

81ms

CAA

22ms

HTTPS

25ms

TLSA

120ms

SOA

17ms

MTA-STS

35ms

DNSSEC

94ms

SRV

26ms

Total

553ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-23 11:34:59 shown	553ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-30 13:28:51	708ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-20 01:41:45	4613ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 15:28:00	2288ms	2 NS 1 A 1 MX	🔒 Secure