s24.dk DNS records

🖥️ Nameservers4 records 42ms

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 52ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
178.20.216.100	1800s	server18.chosting.dk	AS21060	Atea A/S	178.20.216.0/23	🇩🇰 Denmark	—

📧 MX Records1 records 56ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	s24-dk.mail.protection.outlook.com	2a01:111:f403:ca04::4 2a01:111:f403:ca04::7 2a01:111:f403:ca09::c 2a01:111:f403:ca09::d 52.101.103.143 52.101.209.153 52.101.68.21 52.101.68.8	mail-db4pr02cu00204.inbound.protection.outlook.com mail-db4pr02cu00307.inbound.protection.outlook.com mail-as8pr05cu00304.inbound.protection.outlook.com mail-as9pr05cu01305.inbound.protection.outlook.com mail-miypr03cu00107.inbound.protection.outlook.com mail-cpjpr04cu00101.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-du0pr03cu00100.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 → 40.104.116.40

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records4 records 205ms

TXT Record
apple-domain-verification=RliHksGpgts8ZLHR
google-site-verification=dMCxiz2-q4luxxwvSLxiAGuzxgepgHKLJdtEcoKn6rc
mscid=sV5Gj5x6QmTiAeLYQ88HZSHcprIToVzkt7AChP8Z43Z5YedKey/KJl4uZCm/NKJqbI5/JM17C3sWSkZmOLVvWg==
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (s24.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -all

📨 DMARC

Policy	Record (_dmarc.s24.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:65b8f4266cc23@dmarc-dk.centerasecurity.com;

📬 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)

🔐 DNSSEC141ms

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	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

42ms

A

52ms

MX

56ms

AAAA

56ms

TXT

205ms

CAA

58ms

HTTPS

63ms

TLSA

178ms

SOA

0ms

MTA-STS

62ms

DNSSEC

141ms

SRV

81ms

Total

771ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 23:56:50	771ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-06-28 00:41:23	973ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-06-21 08:03:40	671ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-06-20 15:03:58	726ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-06-18 14:05:40	888ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-06-18 02:56:53	973ms	4 NS 1 A 1 MX	🔓 Insecure	View