cerix.dk

📜 Historical scan 2026-10-13 23:37:11 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

cerix.dk is a .dk domain served by 2 nameservers (ns1.wannafind.dk, ns2.wannafind.dk). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 188.40.66.164 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by cerix-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, 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#

2 records 140ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.wannafind.dk	185.25.141.6 2a02:2339:4006:103:1c:3f6d:daba:dee	ns1.wannafind.dk ns1.wannafind.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.wannafind.dk	2a02:2339:1:104::daba:daa 91.197.248.69	ns2.wannafind.dk ns2.wannafind.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 129ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
188.40.66.164	900s	server.cerix.dk	AS24940	Hetzner Online GmbH	188.40.0.0/16	🇩🇪 Germany	Falkenstein

📧 MX Records#

1 records 136ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	cerix-dk.mail.protection.outlook.com	2a01:111:f403:ca09::24 2a01:111:f403:ca21::10 2a01:111:f403:ca3c::6 2a01:111:f403:ca48::12 52.101.103.137 52.101.103.39 52.101.209.153 52.101.91.21	mail-am6pr02cu00204.inbound.protection.outlook.com mail-matpr05cu00100.inbound.protection.outlook.com mail-zrxpr04cu00106.inbound.protection.outlook.com mail-miypr05cu00202.inbound.protection.outlook.com mail-miypr02cu00101.inbound.protection.outlook.com mail-miypr05cu00207.inbound.protection.outlook.com mail-cpjpr04cu00101.inbound.protection.outlook.com mail-matpr05cu00105.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.99.150.56
🔶 Autoconfig	autoconfig-mf.wannafind.dk → 94.231.108.78

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

7 records 308ms

TXT Record
apple-domain-verification=c9cmv9PPcNXRy5Jc
google-site-verification=2DjG08OLfQxPedUZSUEE5pfECKA2xUXNWwAgIE7QiH4
google-site-verification=8y42LQATBOkirqwZPXoruJ-1_NWfJo6xtU2AXYUgswQ
google-site-verification=ATr8EUPattpjk0DyNnAX2Ii6LoI710fKAeG3SrQZzy0
google-site-verification=UkqcmAIZ4ty1ytNchomDPjWJWpH7Z8DEnUEPyYLqwhs
MS=ms11660179
v=spf1 ip4:130.185.143.230 ip4:13.81.106.157 ip4:188.40.66.164 include:spf_1.cerix.dk include:spf.wannafind.dk include:spf.protection.outlook.com include:_spf.amocrmmail.com include:sendgrid.net ~all

✉️ SPF#

Policy	Record (cerix.dk)
~all (soft fail)	v=spf1 ip4:130.185.143.230 ip4:13.81.106.157 ip4:188.40.66.164 include:spf_1.cerix.dk include:spf.wannafind.dk include:spf.protection.outlook.com include:_spf.amocrmmail.com include:sendgrid.net ~all

📨 DMARC#

Policy	Record (_dmarc.cerix.dk)
p=reject	v=DMARC1;p=reject; rua=mailto:dmarc_agg@vali.email,mailto:valimail@cerix.dk;

📬 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 2026-10-16 01:44:29

www	188.40.66.164 (AS24940) (address records, no CNAME)
www vs bare domain	Same network cerix.dk: 188.40.66.164 (AS24940) www.cerix.dk: 188.40.66.164 (AS24940)
Wildcard	No
Denial of existence	NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

4 found

Selector	CNAME	Key
s1	s1.domainkey.u2534942.wl193.sendgrid.net	RSA · ~2048 bit
s2	s2.domainkey.u2534942.wl193.sendgrid.net	RSA · ~1024 bit below 2048 bit
selector1	selector1-cerix-dk._domainkey.cerix.onmicrosoft.com	RSA · ~2048 bit
selector2	selector2-cerix-dk._domainkey.cerix.onmicrosoft.com	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: 8/10 · policy: ~all

warn 8 of the 10 allowed DNS lookups used: one more include can break SPF

🔗 TLSA / DANE#

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

🔐 DNSSEC#

171ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

92ms

Field	Value
Serial	2026101301
Primary NS (MNAME)	ns1.wannafind.dk
Responsible (RNAME)	hostmaster@wannafind.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

140ms

129ms

136ms

AAAA

94ms

TXT

308ms

CAA

137ms

HTTPS

122ms

TLSA

627ms

SOA

92ms

MTA-STS

119ms

DNSSEC

171ms

SRV

229ms

Total

2209ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-16 01:44:29	902ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-13 23:37:11 shown	2209ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-01 08:21:46	946ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-16 09:55:32	1991ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-28 08:50:29	673ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-01 07:37:50	1332ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-22 19:15:30	1594ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-21 17:31:24	1184ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-16 20:10:52	697ms	2 NS 1 A 1 MX	🔒 Secure