rhf.dk DNS records

🖥️ Nameservers4 records 592ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1-04.azure-dns.com	13.107.236.4 2603:1061:0:700::4	ns1-04.azure-dns.com ns1-04.azure-dns.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation
ns2-04.azure-dns.net	150.171.21.4 2620:1ec:8ec:700::4	ns2-04.azure-dns.net ns2-04.azure-dns.net	AS8075 Microsoft Corporation AS8075 Microsoft Corporation
ns3-04.azure-dns.org	204.14.183.4 2a01:111:4000:700::4	ns3-04.azure-dns.org ns3-04.azure-dns.org	AS8075 Microsoft Corporation AS8075 Microsoft Corporation
ns4-04.azure-dns.info	208.84.5.4 2620:1ec:bda:700::4	ns4-04.azure-dns.info ns4-04.azure-dns.info	AS8075 Microsoft Corporation AS8075 Microsoft Corporation

🌍 A Records1 records 165ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
20.82.12.44	3600s	—	AS8075	Microsoft Corporation	20.64.0.0/10	🇳🇱 The Netherlands	Amsterdam

📧 MX Records1 records 451ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	rhf-dk.mail.protection.outlook.com	2a01:111:f403:ca04::2 2a01:111:f403:ca04::4 2a01:111:f403:ca09:: 2a01:111:f403:ca09::9 52.101.68.16 52.101.73.1 52.101.73.15 52.101.73.8	mail-du2pr03cu00102.inbound.protection.outlook.com mail-db4pr02cu00204.inbound.protection.outlook.com mail-am3pr04cu00500.inbound.protection.outlook.com mail-as8pr04cu00801.inbound.protection.outlook.com mail-db4pr02cu00400.inbound.protection.outlook.com mail-am3pr04cu00501.inbound.protection.outlook.com mail-am9pr04cu00107.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 → 40.99.222.184

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records3 records 705ms

TXT Record
l89tq8pkmf49vzlkvbnt8np29y5px7xb
MS=ms42415627
v=spf1 include:spf.protection.outlook.com include:_spf.google.com -all

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.rhf.dk)
p=none (monitor only)	v=DMARC1; p=none; pct=100; rua=mailto:dmarc@rhf.dk; ruf=mailto:dmarc@rhf.dk; fo=1

📬 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)

🔐 DNSSEC224ms

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

🏷️ SOA311ms

Field	Value
Serial	1
Primary NS (MNAME)	ns1-04.azure-dns.com
Responsible (RNAME)	azuredns-hostmaster@microsoft.com
Refresh	3600s
Retry	300s
Expire	2419200s
Minimum (neg-cache TTL)	300s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

592ms

A

165ms

MX

451ms

AAAA

293ms

TXT

705ms

CAA

303ms

HTTPS

164ms

TLSA

209ms

SOA

311ms

MTA-STS

166ms

DNSSEC

224ms

SRV

649ms

Total

1798ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-06-23 09:42:44	1798ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-06-20 21:32:24	1161ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-17 13:47:44	6014ms	4 NS 1 A 1 MX	🔓 Insecure	View