c9.dk

📜 Historical scan 2026-06-16 18:40:06 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

c9.dk is a .dk domain served by 4 nameservers (ns1.nordicway.dk, ns2.nordicway.dk, ns3.nordicway.dk and 1 more). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 144.76.168.29 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by c9.dk. The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. 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#

4 records 72ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.nordicway.dk	—	—	—
ns2.nordicway.dk	—	—	—
ns3.nordicway.dk	—	—	—
ns4.nordicway.dk	—	—	—

🌍 A Records#

1 records 75ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
144.76.168.29	—	cp15.nordicway.dk	AS24940	Hetzner Online GmbH	144.76.0.0/16	🇩🇪 Germany	Falkenstein

📧 MX Records#

1 records 71ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	—	c9.dk	144.76.168.29	cp15.nordicway.dk	AS24940 Hetzner Online GmbH

🔷 AAAA Records (IPv6)#

1 records 71ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a01:4f8:200:442e::2	—	—	AS24940	Hetzner Online GmbH	2a01:4f8:0:0:0:0:0:0/31	🇩🇪 Germany	Falkenstein

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 270ms

TXT Record
v=spf1 ip4:144.76.168.29 ip4:176.9.90.24 +a +mx +ip4:49.12.122.94 include:relay.mailchannels.net ~all

✉️ SPF#

Policy	Record (c9.dk)
~all (soft fail)	v=spf1 ip4:144.76.168.29 ip4:176.9.90.24 +a +mx +ip4:49.12.122.94 include:relay.mailchannels.net ~all

📨 DMARC#

Policy	Record (_dmarc.c9.dk)
p=none (monitor only)	v=DMARC1;p=none;sp=none;adkim=r;aspf=r;pct=100;fo=0;rf=afrf;ri=86400

📬 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 2026-10-12 12:47:01

www CNAME	c9.dk (all on c9.dk) → 144.76.168.29 2a01:4f8:200:442e::2 (AS24940)
www vs bare domain	Same network c9.dk: 144.76.168.29 2a01:4f8:200:442e::2 (AS24940) www.c9.dk: 144.76.168.29 2a01:4f8:200:442e::2 (AS24940)
Wildcard	No

✍️ 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#

167ms

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

🏷️ SOA#

68ms

Field	Value
Serial	2026042204
Primary NS (MNAME)	ns1.nordicway.dk
Responsible (RNAME)	server@nordicway.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#

72ms

75ms

71ms

AAAA

71ms

TXT

270ms

CAA

76ms

HTTPS

73ms

TLSA

129ms

SOA

68ms

MTA-STS

105ms

DNSSEC

167ms

SRV

0ms

Total

702ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-02 22:11:41	617ms	4 NS 1 A 1 MX	🔓 Insecure
2026-09-03 13:54:17	689ms	4 NS 1 A 1 MX	🔓 Insecure
2026-08-06 16:26:15	1168ms	4 NS 1 A 1 MX	🔓 Insecure
2026-06-22 20:45:52	1287ms	4 NS 1 A 1 MX	🔓 Insecure
2026-06-22 00:26:15	1176ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-16 18:43:15	452ms	4 NS 1 A 1 MX	🔓 Insecure
2026-06-16 18:40:06 shown	702ms	4 NS 1 A 1 MX	🔓 Insecure