leanback.dk DNS records

🖥️ Nameservers2 records 31ms

Nameserver	IP addresses	PTR	ASN / ISP
sureena.ns.cloudflare.com	108.162.194.126 162.159.38.126 172.64.34.126 2606:4700:50::a29f:267e 2803:f800:50::6ca2:c27e 2a06:98c1:50::ac40:227e	sureena.ns.cloudflare.com sureena.ns.cloudflare.com sureena.ns.cloudflare.com sureena.ns.cloudflare.com sureena.ns.cloudflare.com sureena.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
yisroel.ns.cloudflare.com	108.162.195.185 162.159.44.185 172.64.35.185 2606:4700:58::a29f:2cb9 2803:f800:50::6ca2:c3b9 2a06:98c1:50::ac40:23b9	yisroel.ns.cloudflare.com yisroel.ns.cloudflare.com yisroel.ns.cloudflare.com yisroel.ns.cloudflare.com yisroel.ns.cloudflare.com yisroel.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records1 records 28ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
198.202.211.1	3600s	—	AS209242	Cloudflare London, LLC	198.202.211.0/24	🇺🇸 United States	—

📧 MX Records1 records 36ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	leanback-dk.mail.protection.outlook.com	2a01:111:f403:ca04::e 2a01:111:f403:ca04::f 2a01:111:f403:ca09::4 2a01:111:f403:ca38::8 52.101.103.137 52.101.209.28 52.101.73.1 52.101.73.6	mail-db8pr02cu00106.inbound.protection.outlook.com mail-db7pr03cu00507.inbound.protection.outlook.com mail-am0pr04cu00504.inbound.protection.outlook.com mail-wa4pr04cu00100.inbound.protection.outlook.com mail-miypr02cu00101.inbound.protection.outlook.com mail-cpjpr05cu00104.inbound.protection.outlook.com mail-am3pr04cu00501.inbound.protection.outlook.com mail-am6pr04cu00306.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

🔌 SRV Records1 records 61ms

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

📝 TXT Records1 records 151ms

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

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.leanback.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

🔏 ACME Challenge

Type	Name	Value
TXT	_acme-challenge.leanback.dk	5c_Z9QBTO_iVWDbmchoNq8orB7eo-Be7nBmnvf4resA
TXT	_acme-challenge.leanback.dk	qH8bKqVHo1-WzeFyhJU_TCRCggP6sU5hZjXQSVgmR64

🔗 TLSA / DANE

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

🔐 DNSSEC100ms

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

🏷️ SOA0ms

Field	Value
Serial	2413872204
Primary NS (MNAME)	sureena.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

31ms

A

28ms

MX

36ms

AAAA

37ms

TXT

151ms

CAA

50ms

HTTPS

28ms

TLSA

472ms

SOA

0ms

MTA-STS

63ms

DNSSEC

100ms

SRV

61ms

Total

2724ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-04 05:02:17	2724ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-27 21:53:18	1723ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-23 22:53:53	1477ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-15 23:32:07	2991ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-01 23:42:15	1444ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-07 05:12:03	10664ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-28 09:26:45	1850ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-28 06:45:20	1523ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-25 15:26:40	1567ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 19:24:17	1718ms	2 NS 1 A 1 MX	🔒 Secure	View