263.dk DNS records

🖥️ Nameservers2 records 38ms

Nameserver	IP addresses	PTR	ASN / ISP
arvind.ns.cloudflare.com	108.162.195.227 162.159.44.227 172.64.35.227 2606:4700:58::a29f:2ce3 2803:f800:50::6ca2:c3e3 2a06:98c1:50::ac40:23e3	arvind.ns.cloudflare.com arvind.ns.cloudflare.com arvind.ns.cloudflare.com arvind.ns.cloudflare.com arvind.ns.cloudflare.com arvind.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
uma.ns.cloudflare.com	108.162.192.146 172.64.32.146 173.245.58.146 2606:4700:50::adf5:3a92 2803:f800:50::6ca2:c092 2a06:98c1:50::ac40:2092	uma.ns.cloudflare.com uma.ns.cloudflare.com uma.ns.cloudflare.com uma.ns.cloudflare.com uma.ns.cloudflare.com uma.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records1 records 76ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
168.119.119.20	300s	static.20.119.119.168.clients.your-server.de	AS24940	Hetzner Online GmbH	168.119.0.0/16	🇩🇪 Germany	Nuremberg

📧 MX Records1 records 34ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	600s	263-dk.mail.protection.outlook.com	2a01:111:f403:ca04::4 2a01:111:f403:ca04::5 2a01:111:f403:ca04::6 2a01:111:f403:ca48::a 52.101.68.18 52.101.68.3 52.101.68.5 52.101.73.8	mail-db4pr02cu00204.inbound.protection.outlook.com mail-db3pr0202cu00205.inbound.protection.outlook.com mail-db4pr02cu00406.inbound.protection.outlook.com mail-miypr02cu00202.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-db7pr03cu00403.inbound.protection.outlook.com mail-du2pr03cu00105.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

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 250ms

TXT Record
MS=ms64549775
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (263.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -all

📨 DMARC

Policy	Record (_dmarc.263.dk)
p=none (monitor only)	v=DMARC1; p=none;

📬 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)

🔐 DNSSEC85ms

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	2412976448
Primary NS (MNAME)	arvind.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

38ms

A

76ms

MX

34ms

AAAA

41ms

TXT

250ms

CAA

37ms

HTTPS

73ms

TLSA

372ms

SOA

0ms

MTA-STS

74ms

DNSSEC

85ms

SRV

95ms

Total

1706ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-24 14:42:11	1706ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-28 23:45:23	3459ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-16 14:52:16	2196ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-25 01:27:29	2612ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-23 17:57:34	2190ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-23 12:24:17	1092ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-22 08:19:33	910ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-20 14:56:53	2254ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-16 12:57:53	1548ms	2 NS 1 A 1 MX	🔓 Insecure	View