bolderslevbyg.dk

📜 Historical scan 2026-06-24 11:42:56 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

bolderslevbyg.dk is a .dk domain served by 2 nameservers (ns1.oneoffice.dk, ns2.oneoffice.dk). It was registered on 11 March 2013 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 5.186.164.153 is hosted by FIBIA P/S (AS44869) in Denmark. Mail is handled by bolderslevbyg-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, 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 111ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.oneoffice.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.oneoffice.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 97ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
5.186.164.153	3600s	server7153.serverpark.dk	AS44869	FIBIA P/S	5.186.0.0/16	🇩🇰 Denmark	Frederiksberg

📧 MX Records#

1 records 144ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	bolderslevbyg-dk.mail.protection.outlook.com	2a01:111:f403:ca04::10 2a01:111:f403:ca04::a 2a01:111:f403:ca04::e 2a01:111:f403:ca09::8 52.101.68.16 52.101.68.8 52.101.73.16 52.101.73.2	mail-dbapr03cu00100.inbound.protection.outlook.com mail-du0pr03cu00102.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-db4pr02cu00400.inbound.protection.outlook.com mail-du0pr03cu00100.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-as9pr07cu00302.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 → 40.104.116.8

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 302ms

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

📝 TXT Records#

1 records 742ms

TXT Record
MS=ms85764165

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 DMARC#

Policy	Record (_dmarc.bolderslevbyg.dk)
p=none (monitor only)	v=DMARC1; p=none; pct=100; rua=mailto:re+tzje1iymems@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 2026-10-07 18:49:54

www	5.186.164.153 (AS44869) (address records, no CNAME)
www vs bare domain	Same network bolderslevbyg.dk: 5.186.164.153 (AS44869) www.bolderslevbyg.dk: 5.186.164.153 (AS44869)
Wildcard	No

✍️ DKIM keys#

1 found

Selector	CNAME	Key
selector2	selector2-bolderslevbyg-dk._domainkey.bolderslevbygaps.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.

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

730ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

166ms

Field	Value
Serial	2024061702
Primary NS (MNAME)	ns1.oneoffice.dk
Responsible (RNAME)	hostmaster@curanet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-14 15:24:52

Field	Value
Registrar	CURANET A/S
Registered	2013-03-11
Expires	2027-03-31 (165d)

🔗 Same registrant#

0 domains

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).

No other domain with this registrant in our WHOIS data yet

📋 WHOIS#

⏱️ Lookup Timing#

111ms

97ms

144ms

AAAA

136ms

TXT

742ms

CAA

216ms

HTTPS

211ms

TLSA

502ms

SOA

166ms

MTA-STS

152ms

DNSSEC

730ms

SRV

302ms

Total

5282ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-07 18:49:54	1890ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-30 04:58:25	796ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-24 15:34:53	1088ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-24 11:42:56 shown	5282ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-22 06:33:08	1167ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-20 17:20:19	1147ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-16 15:35:40	770ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-16 15:35:21	6067ms	2 NS 1 A 1 MX	🔓 Insecure