cph-open.dk

📜 Historical scan 2026-09-30 12:19:40 · ← 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 68ms

Nameserver	IP addresses	PTR	ASN / ISP
linux3.dform.dk	2a01:4f8:1c1a:22c5::1 91.98.139.7	— linux3.dform.dk	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH
ns1.dform.dk	2a01:4f8:c17:5dd1::1 88.99.33.43	ns1.dform.dk ns1.dform.dk	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH
ns2.dform.dk	2a01:4f9:c010:18ac::1 65.21.180.171	ns2.dform.dk ns2.dform.dk	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH

🌍 A Records#

1 records 42ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
91.98.139.7	3600s	linux3.dform.dk	AS24940	Hetzner Online GmbH	91.98.0.0/15	🇩🇪 Germany	Nuremberg

📧 MX Records#

7 records 70ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	aspmx.l.google.com	108.177.14.26 2a00:1450:4010:c03::1b 2a00:1450:4010:c03::1b	lt-in-f26.1e100.net lr-in-f27.1e100.net lr-in-x1b.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
5	3600s	alt1.aspmx.l.google.com	192.178.158.26 2404:6800:4013:813::1a	lcdels-in-f26.1e100.net lcdels-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	3600s	alt2.aspmx.l.google.com	173.194.41.26 173.194.41.26 2404:6800:4001:c01::1b	yukulwh-in-f26.1e100.net mad01s14-in-f26.1e100.net yukulwh-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
10	3600s	aspmx2.googlemail.com	192.178.158.27 2404:6800:4013:813::1a	lcdels-in-f27.1e100.net lcdels-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	3600s	aspmx3.googlemail.com	173.194.41.27 173.194.41.27 2404:6800:4001:c01::1a	mad01s14-in-f27.1e100.net yukulwh-in-f27.1e100.net yukulwh-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
10	3600s	aspmx4.googlemail.com	172.253.158.26 2404:6800:4003:c26::1b	so-in-f26.1e100.net so-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	3600s	aspmx5.googlemail.com	108.177.125.27 2404:6800:4008:c01::1b	tp-in-f27.1e100.net tp-in-f27.1e100.net	AS15169 Google LLC 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 341ms

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 39ms

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#

77ms

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

🏷️ SOA#

69ms

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#

68ms

42ms

70ms

AAAA

40ms

TXT

341ms

CAA

39ms

HTTPS

63ms

TLSA

112ms

SOA

69ms

MTA-STS

74ms

DNSSEC

77ms

SRV

112ms

Total

942ms

🕐 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 shown	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	923ms	3 NS 1 A 7 MX	🔓 Insecure