cph-open.dk

📜 Historical scan 2026-06-16 22:41:04 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

cph-open.dk is a .dk domain served by 3 nameservers (linux3.dform.dk, ns1.dform.dk, ns2.dform.dk). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 91.98.139.7 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 5 more. 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 63ms

Nameserver	IP addresses	PTR	ASN / ISP
linux3.dform.dk	—	—	—
ns1.dform.dk	—	—	—
ns2.dform.dk	—	—	—

🌍 A Records#

1 records 60ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
91.98.139.7	—	linux3.dform.dk	AS24940	Hetzner Online GmbH	91.98.0.0/15	🇩🇪 Germany	Nuremberg

📧 MX Records#

7 records 57ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	—	aspmx.l.google.com	64.233.165.26	lg-in-f26.1e100.net	AS15169 Google LLC
5	—	alt1.aspmx.l.google.com	192.178.158.27	lcdels-in-f27.1e100.net	AS15169 Google LLC
5	—	alt2.aspmx.l.google.com	192.178.158.26	lcdels-in-f26.1e100.net	AS15169 Google LLC
10	—	aspmx2.googlemail.com	192.178.211.26	lcbomp-in-f26.1e100.net	AS15169 Google LLC
10	—	aspmx3.googlemail.com	192.178.211.26	lcbomp-in-f26.1e100.net	AS15169 Google LLC
10	—	aspmx4.googlemail.com	192.178.158.27	lcdels-in-f27.1e100.net	AS15169 Google LLC
10	—	aspmx5.googlemail.com	172.253.158.26	so-in-f26.1e100.net	AS15169 Google LLC

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 228ms

TXT Record
v=spf1 ip4:91.98.139.7 ip6:2a01:4f8:120:444b::2 include:aspmx.googlemail.com include:servers.mcsv.net ~all

✉️ SPF#

Policy	Record (cph-open.dk)
~all (soft fail)	v=spf1 ip4:91.98.139.7 ip6:2a01:4f8:120:444b::2 include:aspmx.googlemail.com include:servers.mcsv.net ~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#

1 records 65ms

Flags	Tag	Value
0	issuewild	letsencrypt.org

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-08 12:41:42

www	91.98.139.7 (AS24940) (address records, no CNAME)
www vs bare domain	Same network cph-open.dk: 91.98.139.7 (AS24940) www.cph-open.dk: 91.98.139.7 (AS24940)
Wildcard	No

🔎 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#

147ms

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

🏷️ SOA#

56ms

Field	Value
Serial	2026012000
Primary NS (MNAME)	linux3.dform.dk
Responsible (RNAME)	root@linux3.dform.dk
Refresh	3600s
Retry	600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

63ms

60ms

57ms

AAAA

62ms

TXT

228ms

CAA

65ms

HTTPS

55ms

TLSA

125ms

SOA

56ms

MTA-STS

78ms

DNSSEC

147ms

SRV

0ms

Total

923ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-08 12:41:42	1806ms	3 NS 1 A 7 MX	🔓 Insecure
2026-10-02 14:47:04	770ms	3 NS 1 A 7 MX	🔓 Insecure
2026-09-30 12:19:40	942ms	3 NS 1 A 7 MX	🔓 Insecure
2026-09-25 13:46:29	2632ms	3 NS 1 A 7 MX	🔓 Insecure
2026-06-27 02:13:27	1014ms	3 NS 1 A 7 MX	🔓 Insecure
2026-06-26 07:20:45	988ms	3 NS 1 A 7 MX	🔓 Insecure
2026-06-24 09:56:16	987ms	3 NS 1 A 7 MX	❓ Unknown
2026-06-19 22:44:58	2360ms	3 NS 1 A 7 MX	🔓 Insecure
2026-06-16 22:47:21	954ms	3 NS 1 A 7 MX	🔓 Insecure
2026-06-16 22:41:04 shown	923ms	3 NS 1 A 7 MX	🔓 Insecure