suberkrub.dk DNS records

🖥️ Nameservers3 records 75ms

Nameserver	IP addresses	PTR	ASN / ISP
one.cloudns.dk	35.205.227.236	236.227.205.35.bc.googleusercontent.com	AS396982 Google LLC
three.cloudns.dk	152.44.41.1	three.cloudns.dk	AS25697 UpCloud USA Inc
two.cloudns.dk	94.237.87.121	two.cloudns.dk	AS202053 UpCloud Ltd

🌍 A Records

🌍

No A records found

📧 MX Records1 records 47ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	suberkrub-dk.mail.protection.outlook.com	2a01:111:f403:ca04::9 2a01:111:f403:ca09::1 2a01:111:f403:ca09::a 2a01:111:f403:ca38::8 52.101.103.140 52.101.181.153 52.101.68.10 52.101.68.36	mail-db7pr03cu00601.inbound.protection.outlook.com mail-as9pr07cu00301.inbound.protection.outlook.com mail-am7pr02cu00202.inbound.protection.outlook.com mail-wa4pr04cu00100.inbound.protection.outlook.com mail-miypr02cu00204.inbound.protection.outlook.com mail-wa4pr04cu00101.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-db5pr02cu00104.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 → 40.104.116.24

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 1335ms

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

📝 TXT Records1 records 345ms

TXT Record
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (suberkrub.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -all

📨 DMARC

Policy	Record (_dmarc.suberkrub.dk)
p=none (monitor only)	v=DMARC1; p=none; pct=100

📬 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)

🔐 DNSSEC2065ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	resolution failed: ncache nxrrset

🏷️ SOA0ms

Field	Value
Serial	2023073106
Primary NS (MNAME)	one.cloudns.dk
Responsible (RNAME)	hostmaster@cloudns.dk
Refresh	10800s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

75ms

A

84ms

MX

47ms

AAAA

139ms

TXT

345ms

CAA

82ms

HTTPS

142ms

TLSA

636ms

SOA

0ms

MTA-STS

91ms

DNSSEC

2065ms

SRV

1335ms

Total

3103ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-01 05:38:11	3103ms	3 NS 0 A 1 MX	🔓 Insecure	View
2026-06-26 04:18:37	1103ms	3 NS 0 A 1 MX	🔓 Insecure	View
2026-06-23 23:30:54	1825ms	3 NS 0 A 1 MX	🔓 Insecure	View
2026-06-22 17:29:45	1176ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-17 15:14:59	2473ms	3 NS 0 A 1 MX	🔓 Insecure	View