holst.dk

📜 Historical scan 2026-10-02 15:51:59 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

holst.dk is a .dk domain served by 3 nameservers (ns.pi.dk, ns2.pi.dk, ns3.pi.dk). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 188.138.4.36 is hosted by velia.net Internetdienste GmbH (AS29066) in France. Mail is handled by holst.dk. The zone is not DNSSEC-signed, 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#

3 records 90ms

Nameserver	IP addresses	PTR	ASN / ISP
ns.pi.dk	188.138.4.36	static-ip-188-138-4-36.inaddr.ip-pool.com	AS29066 velia.net Internetdienste GmbH
ns2.pi.dk	194.99.45.76	—	AS204866 Microdata Aps
ns3.pi.dk	212.237.177.6	ns3.pi.dk	AS204151 EWII Bredbaand A/S

🌍 A Records#

1 records 97ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
188.138.4.36	7200s	static-ip-188-138-4-36.inaddr.ip-pool.com	AS29066	velia.net Internetdienste GmbH	188.138.0.0/21	🇫🇷 France	Strasbourg

📧 MX Records#

1 records 86ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	7200s	holst.dk	188.138.4.36	static-ip-188-138-4-36.inaddr.ip-pool.com	AS29066 velia.net Internetdienste GmbH

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	188.138.4.36
🔶 Autoconfig	188.138.4.36

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

📝

No TXT records found

✉️ 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 2026-10-08 18:24:36

www	188.138.4.36 (AS29066) (address records, no CNAME)
www vs bare domain	Same network holst.dk: 188.138.4.36 (AS29066) www.holst.dk: 188.138.4.36 (AS29066)
Wildcard	Yes: any name under the zone resolves

🔗 TLSA / DANE#

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

🔐 DNSSEC#

214ms

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

🏷️ SOA#

3501ms

Field	Value
Serial	2023091800
Primary NS (MNAME)	ns.pi.dk
Responsible (RNAME)	hostmaster@pi.dk
Refresh	7200s
Retry	3600s
Expire	2600000s
Minimum (neg-cache TTL)	7200s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

90ms

97ms

86ms

AAAA

97ms

TXT

408ms

CAA

97ms

HTTPS

77ms

TLSA

125ms

SOA

3501ms

MTA-STS

174ms

DNSSEC

214ms

SRV

174ms

Total

4589ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-06 16:42:06	7651ms	3 NS 1 A 1 MX	🔓 Insecure
2026-10-02 15:51:59 shown	4589ms	3 NS 1 A 1 MX	🔓 Insecure
2026-09-29 14:57:52	1353ms	3 NS 1 A 1 MX	🔓 Insecure
2026-09-23 22:40:49	630ms	3 NS 1 A 1 MX	🔓 Insecure
2026-08-16 19:32:32	4847ms	3 NS 1 A 1 MX	🔓 Insecure
2026-08-12 22:36:02	6786ms	3 NS 1 A 1 MX	🔓 Insecure
2026-08-09 04:24:47	4972ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-17 13:02:57	815ms	3 NS 1 A 1 MX	🔓 Insecure