blenstrup.dk

📜 Historical scan 2026-06-26 10:07:59 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

blenstrup.dk is a .dk domain served by 3 nameservers (ns1.e-studio.dk, ns2.e-studio.dk, ns3.e-studio.dk). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 193.200.90.180 is hosted by Christian Ebsen ApS (AS62121) in Denmark. Mail is handled by mail.blenstrup.dk. 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#

3 records 238ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.e-studio.dk	195.242.131.5 2001:67c:564:fffc::11	ns1.e-studio.dk ns1.e-studio.dk	AS62121 Christian Ebsen ApS AS62121 Christian Ebsen ApS
ns2.e-studio.dk	2a00:1b18:2:3::2 62.69.152.34	ns2.e-studio.dk 34.34-46.152.69.62.in-addr.arpa	AS47527 DLX A/S AS47527 DLX A/S
ns3.e-studio.dk	193.200.90.183 2001:67c:564:fffc::13	ns3.e-studio.dk ns3.e-studio.dk	AS62121 Christian Ebsen ApS AS62121 Christian Ebsen ApS

🌍 A Records#

1 records 262ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
193.200.90.180	300s	web8.e-studio.dk	AS62121	Christian Ebsen ApS	193.200.90.0/23	🇩🇰 Denmark	—

📧 MX Records#

1 records 226ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mail.blenstrup.dk	193.200.90.180	web8.e-studio.dk	AS62121 Christian Ebsen ApS

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	193.200.90.180
🔶 Autoconfig	193.200.90.180

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 373ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	0	0	443	cpanelemaildiscovery.cpanel.net

📝 TXT Records#

1 records 465ms

TXT Record
v=spf1 +ip4:193.200.90.180 +include:_spf.e-studio.dk +include:_spf.hostingnet.dk -all

✉️ SPF#

Policy	Record (blenstrup.dk)
-all (hard fail)	v=spf1 +ip4:193.200.90.180 +include:_spf.e-studio.dk +include:_spf.hostingnet.dk -all

📨 DMARC#

Policy	Record (_dmarc.blenstrup.dk)
p=reject	v=DMARC1;p=reject; adkim=s; aspf=s

📬 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 04:30:07

www CNAME	blenstrup.dk (all on blenstrup.dk) → 193.200.90.180 (AS62121)
www vs bare domain	Same network blenstrup.dk: 193.200.90.180 (AS62121) www.blenstrup.dk: 193.200.90.180 (AS62121)
Wildcard	No
Denial of existence	NSEC3 · 7 iterations · 8-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
default	—	RSA · ~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: 2/10 · policy: -all

error include:_spf.hostingnet.dk has no SPF record: receivers that reach it return permerror (RFC 7208 §5.2)

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.blenstrup.dk	v7VKhwSEXDWcdo10dSr97fBG44Q90AAUsuxZBFlinW4

🔗 TLSA / DANE#

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

🔐 DNSSEC#

359ms

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

🏷️ SOA#

204ms

Field	Value
Serial	2026052301
Primary NS (MNAME)	ns1.e-studio.dk
Responsible (RNAME)	hostmaster@mailrelay.e-studio.dk
Refresh	3600s
Retry	1800s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

238ms

262ms

226ms

AAAA

228ms

TXT

465ms

CAA

270ms

HTTPS

239ms

TLSA

108ms

SOA

204ms

MTA-STS

262ms

DNSSEC

359ms

SRV

373ms

Total

1341ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-23 16:24:56	526ms	3 NS 1 A 1 MX	🔓 Insecure
2026-08-26 10:29:30	619ms	3 NS 1 A 1 MX	🔓 Insecure
2026-08-25 11:03:08	512ms	3 NS 1 A 1 MX	🔓 Insecure
2026-07-24 00:44:25	853ms	3 NS 1 A 1 MX	❓ Unknown
2026-06-26 10:07:59 shown	1341ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-21 00:47:16	458ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-16 14:46:32	410ms	3 NS 1 A 1 MX	🔓 Insecure