rhf.dk

📜 Historical scan 2026-09-24 14:56:11 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

rhf.dk is a .dk domain served by 4 nameservers (ns1-04.azure-dns.com, ns2-04.azure-dns.net, ns3-04.azure-dns.org and 1 more). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 20.101.2.157 is hosted by Microsoft Corporation (AS8075) in The Netherlands. Mail is handled by rhf-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

4 records 44ms

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 Records#

1 records 49ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
20.101.2.157	3600s	—	AS8075	Microsoft Corporation	20.64.0.0/10	🇳🇱 The Netherlands	Amsterdam

📧 MX Records#

1 records 38ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	rhf-dk.mail.protection.outlook.com	2a01:111:f403:ca04::a 2a01:111:f403:ca09::28 2a01:111:f403:ca38::8 2a01:111:f403:ca48::a 52.101.103.137 52.101.103.39 52.101.209.28 52.101.91.153	mail-du0pr03cu00102.inbound.protection.outlook.com mail-am6pr02cu00300.inbound.protection.outlook.com mail-wa4pr04cu00100.inbound.protection.outlook.com mail-miypr02cu00202.inbound.protection.outlook.com mail-miypr02cu00101.inbound.protection.outlook.com mail-miypr05cu00207.inbound.protection.outlook.com mail-cpjpr05cu00104.inbound.protection.outlook.com mail-matpr04cu00101.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 → 52.98.149.136

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

3 records 167ms

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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-10 16:55:30

www CNAME	lively-coast-000bfc103.3.azurestaticapps.net (all on azurestaticapps.net) → 20.101.2.157 (AS8075)
www vs bare domain	Same network rhf.dk: 20.82.12.44 (AS8075) www.rhf.dk: 20.101.2.157 (AS8075)
Wildcard	No

✍️ DKIM keys#

1 found

Selector	CNAME	Key
selector1	selector1-rhf-dk._domainkey.rasmis.onmicrosoft.com	RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

78ms

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

🏷️ SOA#

0ms

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 yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

44ms

49ms

38ms

AAAA

35ms

TXT

167ms

CAA

42ms

HTTPS

42ms

TLSA

307ms

SOA

0ms

MTA-STS

56ms

DNSSEC

78ms

SRV

61ms

Total

807ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 13:05:31	1127ms	4 NS 1 A 1 MX	🔓 Insecure
2026-09-24 14:56:11 shown	807ms	4 NS 1 A 1 MX	🔓 Insecure
2026-06-23 09:42:44	1798ms	4 NS 1 A 1 MX	🔓 Insecure
2026-06-20 21:32:24	1161ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-17 13:47:44	6014ms	4 NS 1 A 1 MX	🔓 Insecure