rsn-advo.dk DNS records

🖥️ Nameservers4 records 45ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.bdm.microsoftonline.com	13.107.236.208 2603:1061:0:700::d0	ns1-208.azure-dns.com ns1-208.azure-dns.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation
ns2.bdm.microsoftonline.com	150.171.21.208 2620:1ec:8ec:700::d0	ns2-208.azure-dns.net ns2-208.azure-dns.net	AS8075 Microsoft Corporation AS8075 Microsoft Corporation
ns3.bdm.microsoftonline.com	204.14.183.208 2a01:111:4000:700::d0	ns3-208.azure-dns.org ns3-208.azure-dns.org	AS8075 Microsoft Corporation AS8075 Microsoft Corporation
ns4.bdm.microsoftonline.com	208.84.5.208 2620:1ec:bda:700::d0	ns4-208.azure-dns.info ns4-208.azure-dns.info	AS8075 Microsoft Corporation AS8075 Microsoft Corporation

🌍 A Records1 records 45ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.36.206.129	1800s	plesk06.grouponline.org	AS48854	team.blue Denmark A/S	46.36.204.0/22	🇩🇰 Denmark	—

📧 MX Records1 records 45ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	rsnadvo-dk0i.mail.protection.outlook.com	2a01:111:f403:ca04::6 2a01:111:f403:ca04::7 2a01:111:f403:ca04::9 2a01:111:f403:ca04::c 52.101.68.25 52.101.73.1 52.101.73.24 52.101.73.8	mail-db4pr02cu00406.inbound.protection.outlook.com mail-db4pr02cu00307.inbound.protection.outlook.com mail-db7pr03cu00601.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-am3pr04cu00501.inbound.protection.outlook.com mail-as8pr05cu00300.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 → 40.104.116.56
🔶 Autoconfig	46.36.206.129

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 64ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records4 records 186ms

TXT Record
ms24686108
mscid=u/UK9Xmj9IW3avsKs4rgtbkwsz9l37pmJwli5wA/yJk7xxx4h1t35B8CWDPR2h/brWXxEwDBUkeRqnIrqjtcaQ==
P-Bq6ALb5KBE
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.rsn-advo.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:dmarc@td-k.dk; ruf=mailto:dmarc@td-k.dk; adkim=s; aspf=s; fo=0:1:d:s;

📬 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)

🔐 DNSSEC72ms

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

🏷️ SOA43ms

Field	Value
Serial	1
Primary NS (MNAME)	ns1.bdm.microsoftonline.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

45ms

A

45ms

MX

45ms

AAAA

45ms

TXT

186ms

CAA

43ms

HTTPS

44ms

TLSA

511ms

SOA

43ms

MTA-STS

52ms

DNSSEC

72ms

SRV

64ms

Total

1228ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-06-26 15:18:38	1228ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-06-26 12:26:09	1117ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-06-24 09:47:18	4774ms	4 NS 1 A 1 MX	❓ Unknown	View
2026-06-24 02:03:13	939ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-22 08:10:12	951ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-06-20 03:57:05	1473ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-06-18 03:19:50	927ms	4 NS 1 A 1 MX	🔓 Insecure	View