leanback.dk

📜 Historical scan 2026-09-27 15:56:36 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

leanback.dk is a .dk domain served by 2 nameservers (sureena.ns.cloudflare.com, yisroel.ns.cloudflare.com). It was registered on 13 March 2013 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 198.202.211.1 is hosted by Cloudflare London, LLC (AS209242) in United States. Mail is handled by leanback-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 41ms

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 Records#

1 records 39ms

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 Records#

1 records 42ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	leanback-dk.mail.protection.outlook.com	2a01:111:f403:ca04::9 2a01:111:f403:ca04::e 2a01:111:f403:ca09::22 2a01:111:f403:ca38::a 52.101.103.140 52.101.68.10 52.101.68.21 52.101.68.8	mail-db7pr03cu00601.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-am7pr02cu00302.inbound.protection.outlook.com mail-wa4pr05cu00102.inbound.protection.outlook.com mail-miypr02cu00204.inbound.protection.outlook.com mail-dbbpr03cu00102.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 → 40.104.116.24

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 70ms

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

📝 TXT Records#

1 records 190ms

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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-14 13:08:06

www CNAME	cdn.webflow.com (all on webflow.com) → 198.202.211.1 2620:cb:2000::1 (AS13335 AS209242)
www vs bare domain	Same network leanback.dk: 198.202.211.1 (AS209242) www.leanback.dk: 198.202.211.1 2620:cb:2000::1 (AS13335 AS209242)
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.leanback.dk	f9a4T9DRHdF0_5LoFNpuy0f0oLmEMrOkSBCCKnMjpXg
TXT	_acme-challenge.leanback.dk	wqOUuli0wtNxnmiXwq1TLT1fNRqLo3SsPXH85ESVPmU

🔗 TLSA / DANE#

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

🔐 DNSSEC#

115ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2415992975
Primary NS (MNAME)	sureena.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-11 08:13:16

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2013-03-13
Expires	2027-03-31 (160d)

📋 WHOIS#

⏱️ Lookup Timing#

41ms

39ms

42ms

AAAA

31ms

TXT

190ms

CAA

31ms

HTTPS

39ms

TLSA

500ms

SOA

0ms

MTA-STS

49ms

DNSSEC

115ms

SRV

70ms

Total

1170ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-14 13:08:06	2705ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-11 07:34:45	4230ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-29 16:20:21	1369ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-28 16:13:00	1509ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-27 15:56:36 shown	1170ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-23 15:03:58	2368ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-19 11:35:39	1503ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-10 21:05:04	2072ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-04 05:02:17	2724ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-27 21:53:18	1723ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-23 22:53:53	1477ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-15 23:32:07	2991ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-01 23:42:15	1444ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-07 05:12:03	10664ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-28 09:26:45	1850ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-28 06:45:20	1523ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-25 15:26:40	1567ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 19:24:17	1718ms	2 NS 1 A 1 MX	🔒 Secure