cubo.dk DNS records

🖥️ Nameservers2 records 85ms

Nameserver	IP addresses	PTR	ASN / ISP
jocelyn.ns.cloudflare.com	108.162.192.174 172.64.32.174 173.245.58.174 2606:4700:50::adf5:3aae 2803:f800:50::6ca2:c0ae 2a06:98c1:50::ac40:20ae	jocelyn.ns.cloudflare.com jocelyn.ns.cloudflare.com jocelyn.ns.cloudflare.com jocelyn.ns.cloudflare.com jocelyn.ns.cloudflare.com jocelyn.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
walt.ns.cloudflare.com	108.162.193.148 172.64.33.148 173.245.59.148 2606:4700:58::adf5:3b94 2803:f800:50::6ca2:c194 2a06:98c1:50::ac40:2194	walt.ns.cloudflare.com walt.ns.cloudflare.com walt.ns.cloudflare.com walt.ns.cloudflare.com walt.ns.cloudflare.com walt.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records1 records 73ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
35.214.230.115	300s	115.230.214.35.bc.googleusercontent.com	AS43515	Google Ireland Limited	35.214.128.0/17	🇳🇱 The Netherlands	Groningen

📧 MX Records1 records 113ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	cubo-dk.mail.protection.outlook.com	2a01:111:f403:ca04::8 2a01:111:f403:ca04::9 2a01:111:f403:ca04::f 2a01:111:f403:ca09::4 52.101.68.39 52.101.73.11 52.101.73.4 52.101.73.8	mail-db5pr02cu00100.inbound.protection.outlook.com mail-db7pr03cu00601.inbound.protection.outlook.com mail-db7pr03cu00507.inbound.protection.outlook.com mail-am0pr04cu00504.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-am1pr04cu00103.inbound.protection.outlook.com mail-am0pr83cu00404.inbound.protection.outlook.com mail-am0pr04cu00500.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 → 40.104.116.8

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 189ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records7 records 302ms

TXT Record
_globalsign-domain-verification=AXCG6jDB74MGu-4ennbgQqdLj_fW0hqERunSaqAk8p
_globalsign-domain-verification=N2e0tCIIj1F7QNYPLqIvoTCA7CYQdqJIvvsHYNw1AM
_globalsign-domain-verification=pNaJWdh2tZL3kVN_ghFDiVWG_ERZBIe6OtO8rCCTCm
apple-domain-verification=NdHXatNtn6fw9GYc
linkedin-site-verification=06744058-7f8b-475f-958f-96773cb5d825
MS=ms46578304
v=spf1 include:spf.cubo.dk include:sendgrid.net include:_spf.stejtech.net include:spf.protection.outlook.com ip4:185.81.36.190 ip4:62.242.42.172 -all

✉️ SPF

Policy	Record (cubo.dk)
-all (hard fail)	v=spf1 include:spf.cubo.dk include:sendgrid.net include:_spf.stejtech.net include:spf.protection.outlook.com ip4:185.81.36.190 ip4:62.242.42.172 -all

📨 DMARC

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

📬 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

🔗 TLSA / DANE

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

🔐 DNSSEC178ms

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

🏷️ SOA0ms

Field	Value
Serial	2411295946
Primary NS (MNAME)	jocelyn.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

85ms

A

73ms

MX

113ms

AAAA

129ms

TXT

302ms

CAA

76ms

HTTPS

89ms

TLSA

327ms

SOA

0ms

MTA-STS

106ms

DNSSEC

178ms

SRV

189ms

Total

1687ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-07 04:37:08	1687ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-25 22:08:47	17184ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-22 19:32:06	9126ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-25 08:18:02	2241ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-16 23:10:03	763ms	2 NS 1 A 1 MX	🔓 Insecure	View