rsmdk.dk DNS records

🖥️ Nameservers2 records 72ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.alco.dk	46.225.229.1	ns1.alco.dk	AS24940 Hetzner Online GmbH
ns2.alco.dk	89.167.94.156	ns2.alco.dk	AS24940 Hetzner Online GmbH

🌍 A Records1 records 66ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
216.24.57.1	3600s	ip-216-24-57-1.ingress.render.com	AS397273	Render	216.24.57.0/24	🇺🇸 United States	—

📧 MX Records1 records 53ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	rsmdk-dk.mail.protection.outlook.com	2a01:111:f403:ca04::10 2a01:111:f403:ca04::5 2a01:111:f403:ca09::a 2a01:111:f403:ca48::a 52.101.68.0 52.101.68.18 52.101.68.25 52.101.68.29	mail-dbapr03cu00100.inbound.protection.outlook.com mail-db3pr0202cu00205.inbound.protection.outlook.com mail-am7pr02cu00202.inbound.protection.outlook.com mail-miypr02cu00202.inbound.protection.outlook.com mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-dbapr03cu00105.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 → 40.104.116.24

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 327ms

TXT Record
MS=ms92240135
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.rsmdk.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:DMARC@rsmdk.dk; ruf=mailto:DMARC@rsmdk.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)

🔐 DNSSEC96ms

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	2025121815
Primary NS (MNAME)	ns1.alco.dk
Responsible (RNAME)	hostmaster@alco.dk
Refresh	28800s
Retry	7200s
Expire	604800s
Minimum (neg-cache TTL)	43200s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

72ms

A

66ms

MX

53ms

AAAA

58ms

TXT

327ms

CAA

60ms

HTTPS

61ms

TLSA

703ms

SOA

0ms

MTA-STS

82ms

DNSSEC

96ms

SRV

92ms

Total

1392ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-31 12:09:56	1392ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-27 06:16:25	1217ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-24 11:32:09	2727ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-20 04:34:51	4676ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-18 00:22:35	2321ms	2 NS 1 A 1 MX	🔓 Insecure	View