rsm.dk

Records from scan: 2026-06-17 15:23:04 · 5137ms total · last checked 2026-10-17 05:49 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

rsm.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 216.24.57.1 is hosted by Render (AS397273) in United States. Mail is handled by rsm-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 26ms

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 41ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
216.24.57.1	—	—	AS397273	Render	216.24.57.0/24	🇺🇸 United States	—

📧 MX Records#

1 records 40ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	—	rsm-dk.mail.protection.outlook.com	2a01:111:f403:ca04::b 2a01:111:f403:ca09::2 2a01:111:f403:ca09::20 2a01:111:f403:ca09::3 52.101.68.0 52.101.68.10 52.101.68.15 52.101.73.12	mail-dbbpr03cu00103.inbound.protection.outlook.com mail-am0pr83cu00402.inbound.protection.outlook.com mail-as8pr05cu00400.inbound.protection.outlook.com mail-am6pr04cu00303.inbound.protection.outlook.com mail-db3pr0202cu00100.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-am4pr0401cu00104.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

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

4 records 363ms

TXT Record
dh6a6093c2ipug4meea105ett0
MS=ms65405700
v=spf1 include:spf.mailanyone.net include:spf.protection.outlook.com include:emsd1.com include:_spf.centerasecurity.dk -all
vpe=8cde978b

✉️ SPF#

Policy	Record (rsm.dk)
-all (hard fail)	v=spf1 include:spf.mailanyone.net include:spf.protection.outlook.com include:emsd1.com include:_spf.centerasecurity.dk -all

📨 DMARC#

Policy	Record (_dmarc.rsm.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:DMARC@rsm.dk,mailto:67e29fbb0fa28@dmarc-dk.centerasecurity.com; ruf=mailto:DMARC@rsm.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#

checked 2026-10-08 10:41:00

www CNAME	fwd.rsm.global (all on rsm.global) → 216.24.57.16 216.24.57.18 (AS397273)
www vs bare domain	Same network rsm.dk: 216.24.57.1 (AS397273) www.rsm.dk: 216.24.57.16 216.24.57.18 (AS397273)
Wildcard	No
Denial of existence	NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
selector1	selector1-rsm-dk._domainkey.brandtrevision.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: 4/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

2540ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

48ms

Field	Value
Serial	2026050802
Primary NS (MNAME)	ns1.curanet.dk
Responsible (RNAME)	hostmaster@curanet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

26ms

41ms

40ms

AAAA

41ms

TXT

363ms

CAA

40ms

HTTPS

2054ms

TLSA

2037ms

SOA

48ms

MTA-STS

117ms

DNSSEC

2540ms

SRV

0ms

Total

5137ms