openforum.dk

📜 Historical scan 2026-06-18 12:50:10 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

openforum.dk is a .dk domain served by 3 nameservers (ns1.e-studio.dk, ns2.e-studio.dk, ns3.e-studio.dk). It was registered on 30 July 2003 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 193.200.90.178 is hosted by Christian Ebsen ApS (AS62121) in Denmark. Mail is handled by openforum.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 145ms

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 186ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
193.200.90.178	3600s	web6.e-studio.dk	AS62121	Christian Ebsen ApS	193.200.90.0/23	🇩🇰 Denmark	—

📧 MX Records#

1 records 277ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	openforum.dk	193.200.90.178	web6.e-studio.dk	AS62121 Christian Ebsen ApS

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	193.200.90.178
🔶 Autoconfig	193.200.90.178

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 463ms

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

📝 TXT Records#

1 records 1870ms

TXT Record
v=spf1 ip4:193.200.90.178 include:_spf.e-studio.dk +a +mx +ip4:195.201.22.253 +ip4:159.69.27.230 +ip4:185.134.29.120 ~all

✉️ SPF#

Policy	Record (openforum.dk)
~all (soft fail)	v=spf1 ip4:193.200.90.178 include:_spf.e-studio.dk +a +mx +ip4:195.201.22.253 +ip4:159.69.27.230 +ip4:185.134.29.120 ~all

📨 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 23:15:13

www CNAME	openforum.dk (all on openforum.dk) → 193.200.90.178 (AS62121)
www vs bare domain	Same network openforum.dk: 193.200.90.178 (AS62121) www.openforum.dk: 193.200.90.178 (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: 3/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

1400ms

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

🏷️ SOA#

143ms

Field	Value
Serial	2025021711
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#

WHOIS fetched 2026-10-10 10:49:29

Field	Value
Registrar	dns.services ApS
Registered	2003-07-30
Expires	2027-07-31 (284d)

📋 WHOIS#

⏱️ Lookup Timing#

145ms

186ms

277ms

AAAA

152ms

TXT

1870ms

CAA

187ms

HTTPS

319ms

TLSA

239ms

SOA

143ms

MTA-STS

189ms

DNSSEC

1400ms

SRV

463ms

Total

3881ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-20 23:11:42	9415ms	3 NS 1 A 1 MX	🔓 Insecure
2026-08-25 08:40:01	980ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-24 17:46:22	2191ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-18 12:50:10 shown	3881ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-18 00:14:19	905ms	3 NS 1 A 1 MX	🔓 Insecure