rmuf.dk

📜 Historical scan 2026-09-17 04:32:29 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

rmuf.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It was registered on 14 November 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 20.50.64.13 is hosted by Microsoft Corporation (AS8075) in Ireland. Mail is handled by rmuf-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, has no 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#

2 records 126ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.curanet.dk	185.25.141.12 2a02:2339:4006:108::123	ns1.curanet.dk ns1.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.curanet.dk	2a02:2339:1:10f::123:123 91.197.248.75	ns2.curanet.dk ns2.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 134ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
20.50.64.13	3600s	—	AS8075	Microsoft Corporation	20.48.0.0/12	🇮🇪 Ireland	Dublin

📧 MX Records#

1 records 99ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	rmuf-dk.mail.protection.outlook.com	2a01:111:f403:ca04::e 2a01:111:f403:ca21::10 2a01:111:f403:ca21::a 2a01:111:f403:ca48::10 52.101.209.28 52.101.68.16 52.101.73.153 52.101.91.156	mail-db8pr02cu00106.inbound.protection.outlook.com mail-matpr05cu00100.inbound.protection.outlook.com mail-maspr04cu00102.inbound.protection.outlook.com mail-miypr05cu00100.inbound.protection.outlook.com mail-cpjpr05cu00104.inbound.protection.outlook.com mail-db4pr02cu00400.inbound.protection.outlook.com mail-as8pr05cu00401.inbound.protection.outlook.com mail-maspr04cu00104.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 → 52.98.179.216

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

4 records 703ms

TXT Record
_globalsign-domain-verification=lnjdS15jfqfA7MWKuDMFpjcSC0oUYSgzNYlsrwAwAL
CcaBKNfGmnDTT0JmWLEJrWNgLbvxcB7cB+2TGyz9phA
v=spf1 a mx ip4:20.73.177.128 include:spf.mailanyone.net include:send.heysender.co include:spf.protection.outlook.com -all
vpe=db71a846

✉️ SPF#

Policy	Record (rmuf.dk)
-all (hard fail)	v=spf1 a mx ip4:20.73.177.128 include:spf.mailanyone.net include:send.heysender.co 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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-09 00:34:10

www	13.107.213.53 (AS8075) (address records, no CNAME)
www vs bare domain	Same network rmuf.dk: 13.107.213.53 (AS8075) www.rmuf.dk: 13.107.213.53 (AS8075)
Wildcard	No

✍️ DKIM keys#

2 found

Selector	CNAME	Key
selector1	selector1-rmuf-dk._domainkey.raskmoelleforsyning.k-v1.dkim.mail.microsoft	RSA · ~2048 bit
selector2	selector2-rmuf-dk._domainkey.raskmoelleforsyning.k-v1.dkim.mail.microsoft	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: 5/10 · policy: -all

error include:send.heysender.co has no SPF record: receivers that reach it return permerror (RFC 7208 §5.2)

🔗 TLSA / DANE#

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

🔐 DNSSEC#

182ms

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	2026091202
Primary NS (MNAME)	ns1.curanet.dk
Responsible (RNAME)	hostmaster@curanet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-07 00:42:55

Field	Value
Registrar	ONE.COM A/S
Registered	2023-11-14
Expires	2026-11-13 (22d)

📋 WHOIS#

⏱️ Lookup Timing#

126ms

134ms

99ms

AAAA

101ms

TXT

703ms

CAA

106ms

HTTPS

110ms

TLSA

222ms

SOA

0ms

MTA-STS

136ms

DNSSEC

182ms

SRV

875ms

Total

1757ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-07 00:28:54	1409ms	2 NS 1 A 1 MX	🔓 Insecure
2026-10-05 21:20:49	1155ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-29 20:56:21	642ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-17 04:32:29 shown	1757ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-10 03:42:33	1487ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-25 00:27:08	1639ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-17 17:41:15	2560ms	2 NS 1 A 1 MX	🔓 Insecure