rud3.dk DNS records

🖥️ Nameservers2 records 39ms

Nameserver	IP addresses	PTR	ASN / ISP
alaric.ns.cloudflare.com	108.162.195.31 162.159.44.31 172.64.35.31 2606:4700:58::a29f:2c1f 2803:f800:50::6ca2:c31f 2a06:98c1:50::ac40:231f	alaric.ns.cloudflare.com alaric.ns.cloudflare.com alaric.ns.cloudflare.com alaric.ns.cloudflare.com alaric.ns.cloudflare.com alaric.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
meilani.ns.cloudflare.com	108.162.194.196 162.159.38.196 172.64.34.196 2606:4700:50::a29f:26c4 2803:f800:50::6ca2:c2c4 2a06:98c1:50::ac40:22c4	meilani.ns.cloudflare.com meilani.ns.cloudflare.com meilani.ns.cloudflare.com meilani.ns.cloudflare.com meilani.ns.cloudflare.com meilani.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records1 records 42ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
154.16.6.69	300s	—	AS48314	IP-Projects GmbH & Co. KG	154.16.6.0/24	🇩🇪 Germany	Frankfurt am Main

📧 MX Records1 records 47ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	rud3-dk.mail.protection.outlook.com	2a01:111:f403:ca04::1 2a01:111:f403:ca04::7 2a01:111:f403:ca04::f 2a01:111:f403:ca09::3 52.101.68.27 52.101.68.5 52.101.68.8 52.101.73.16	mail-db7pr03cu00401.inbound.protection.outlook.com mail-db4pr02cu00307.inbound.protection.outlook.com mail-db7pr03cu00507.inbound.protection.outlook.com mail-am6pr04cu00303.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-du2pr03cu00105.inbound.protection.outlook.com mail-du0pr03cu00100.inbound.protection.outlook.com mail-as2pr05cu00100.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
🔶 Autoconfig	154.16.6.69

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 71ms

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

📝 TXT Records2 records 163ms

TXT Record
MS=ms14740994
v=spf1 include:_custspf.one.com include:spf.protection.outlook.com include:relay.hostarts.net ~all

✉️ SPF

Policy	Record (rud3.dk)
~all (soft fail)	v=spf1 include:_custspf.one.com include:spf.protection.outlook.com include:relay.hostarts.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

✗ No CAA records — any CA may issue certificates

🔏 ACME Challenge

Type	Name	Value
TXT	_acme-challenge.rud3.dk	33IUsdLqCn2TowsaHTiqih3ed7nySSVhga_m5WuTgc0

🔗 TLSA / DANE

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

🔐 DNSSEC113ms

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	2413345334
Primary NS (MNAME)	alaric.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

39ms

A

42ms

MX

47ms

AAAA

34ms

TXT

163ms

CAA

51ms

HTTPS

46ms

TLSA

599ms

SOA

0ms

MTA-STS

53ms

DNSSEC

113ms

SRV

71ms

Total

1178ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 23:21:38	1178ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-29 21:42:10	3439ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-30 06:45:42	1067ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-17 11:31:27	1237ms	2 NS 1 A 1 MX	🔓 Insecure	View