rudbaekholm.dk DNS records

🖥️ Nameservers5 records 51ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.he.net	2001:470:100::2 216.218.130.2	ns1.he.net ns1.he.net	AS6939 Hurricane Electric LLC AS6939 Hurricane Electric LLC
ns2.he.net	2001:470:200::2 216.218.131.2	ns2.he.net ns2.he.net	AS6939 Hurricane Electric LLC AS6939 Hurricane Electric LLC
ns3.he.net	2001:470:300::2 216.218.132.2	ns3.he.net ns3.he.net	AS6939 Hurricane Electric LLC AS6939 Hurricane Electric LLC
ns4.he.net	2001:470:400::2 216.66.1.2	ns4.he.net ns4.he.net	AS6939 Hurricane Electric LLC AS6939 Hurricane Electric LLC
ns5.he.net	2001:470:500::2 216.66.80.18	ns5.he.net ns5.he.net	AS6939 Hurricane Electric LLC AS6939 Hurricane Electric LLC

🌍 A Records1 records 49ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
84.238.109.18	900s	84-238-109-18.ptr.bnaa.dk	AS33796	Bolignet-aarhus F.m.b.a.	84.238.0.0/17	🇩🇰 Denmark	Copenhagen

📧 MX Records1 records 47ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	1800s	rudbaekholm-dk.mail.protection.outlook.com	2a01:111:f403:ca04::f 2a01:111:f403:ca09::3 2a01:111:f403:ca09::b 2a01:111:f403:ca09::e 52.101.68.10 52.101.68.16 52.101.68.3 52.101.68.36	mail-db7pr03cu00507.inbound.protection.outlook.com mail-am6pr04cu00303.inbound.protection.outlook.com mail-am7pr05cu00103.inbound.protection.outlook.com mail-am7pr05cu00206.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-db4pr02cu00400.inbound.protection.outlook.com mail-db7pr03cu00403.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 → 40.104.116.40

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 271ms

TXT Record
MS=ms20096299
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

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

🔗 TLSA / DANE

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

🔐 DNSSEC92ms

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	2023060601
Primary NS (MNAME)	ns1.he.net
Responsible (RNAME)	hostmaster@he.net
Refresh	86400s
Retry	7200s
Expire	3600000s
Minimum (neg-cache TTL)	86400s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

51ms

A

49ms

MX

47ms

AAAA

67ms

TXT

271ms

CAA

58ms

HTTPS

71ms

TLSA

630ms

SOA

0ms

MTA-STS

87ms

DNSSEC

92ms

SRV

94ms

Total

1295ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 10:05:51	1295ms	5 NS 1 A 1 MX	🔓 Insecure	View
2026-06-23 16:36:11	1196ms	5 NS 1 A 1 MX	🔓 Insecure	View
2026-06-17 11:47:58	1221ms	5 NS 1 A 1 MX	🔓 Insecure	View