bolsing.dk

📜 Historical scan 2026-06-16 15:50:29 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

bolsing.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 15 November 2001 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 89.23.236.21 is hosted by Fiberby ApS (AS42541) in Denmark. Mail is handled by mx09.posthuset.nu, mx11.posthuset.nu. 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 31ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	—	—	—
ns02.one.com	—	—	—

🌍 A Records#

1 records 30ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
89.23.236.21	—	89-23-236-21.ip4.fiberby.net	AS42541	Fiberby ApS	89.23.224.0/19	🇩🇰 Denmark	Copenhagen

📧 MX Records#

2 records 30ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
9	—	mx09.posthuset.nu	185.21.40.130	vm1220.enterprisecloud.nu	AS48854 team.blue Denmark A/S
11	—	mx11.posthuset.nu	185.21.40.130	vm1220.enterprisecloud.nu	AS48854 team.blue Denmark A/S

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 270ms

TXT Record
Posthuset

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 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 2026-10-10 21:26:14

www CNAME	bolsing.dk (all on bolsing.dk) → 89.23.236.21 (AS42541)
www vs bare domain	Same network bolsing.dk: 89.23.236.21 (AS42541) www.bolsing.dk: 89.23.236.21 (AS42541)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔗 TLSA / DANE#

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

🔐 DNSSEC#

111ms

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

🏷️ SOA#

28ms

Field	Value
Serial	2026032501
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 2026-10-09 14:39:10

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2001-11-15
Expires	2026-12-31 (74d)

📋 WHOIS#

⏱️ Lookup Timing#

31ms

30ms

AAAA

28ms

TXT

270ms

CAA

27ms

HTTPS

28ms

TLSA

303ms

SOA

28ms

MTA-STS

40ms

DNSSEC

111ms

SRV

0ms

Total

851ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-26 10:23:25	710ms	2 NS 1 A 2 MX	🔒 Secure
2026-09-21 19:34:47	963ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-26 04:07:56	2127ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-26 02:45:27	741ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-16 15:50:29 shown	851ms	2 NS 1 A 2 MX	🔒 Secure