silverlining-research.dk

📜 Historical scan 2026-09-20 07:16:38 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

silverlining-research.dk is a .dk domain served by 2 nameservers (cleo.ns.cloudflare.com, nelci.ns.cloudflare.com). It was registered on 23 September 2021 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.96.106 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by silverliningresearch-dk03b.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, has no DMARC policy and is reachable over IPv6. 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 29ms

Nameserver	IP addresses	PTR	ASN / ISP
cleo.ns.cloudflare.com	108.162.193.89 172.64.33.89 173.245.59.89 2606:4700:58::adf5:3b59 2803:f800:50::6ca2:c159 2a06:98c1:50::ac40:2159	cleo.ns.cloudflare.com cleo.ns.cloudflare.com cleo.ns.cloudflare.com cleo.ns.cloudflare.com cleo.ns.cloudflare.com cleo.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
nelci.ns.cloudflare.com	108.162.194.152 162.159.38.152 172.64.34.152 2606:4700:50::a29f:2698 2803:f800:50::6ca2:c298 2a06:98c1:50::ac40:2298	nelci.ns.cloudflare.com nelci.ns.cloudflare.com nelci.ns.cloudflare.com nelci.ns.cloudflare.com nelci.ns.cloudflare.com nelci.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

2 records 40ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.96.106	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.176.220	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 36ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	silverliningresearch-dk03b.mail.protection.outlook.com	2a01:111:f403:ca04::10 2a01:111:f403:ca21::c 2a01:111:f403:ca38::8 2a01:111:f403:ca3c::a 52.101.103.162 52.101.103.39 52.101.181.153 52.101.68.10	mail-dbapr03cu00100.inbound.protection.outlook.com mail-matpr04cu00204.inbound.protection.outlook.com mail-wa4pr04cu00100.inbound.protection.outlook.com mail-zrxpr07cu00102.inbound.protection.outlook.com mail-miypr03cu00202.inbound.protection.outlook.com mail-miypr05cu00207.inbound.protection.outlook.com mail-wa4pr04cu00101.inbound.protection.outlook.com mail-dbbpr03cu00102.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	104.21.96.106
🔶 Autoconfig	104.21.96.106

🔷 AAAA Records (IPv6)#

2 records 34ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::6815:606a	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3034::ac43:b0dc	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 34ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.96.106,172.67.176.220 ech=AEX+DQBBnAAgACBYf4qES2Evl1OFKLxtgZDSV8BssiOp4O/gPwBVKpvEbQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:606a,2606:4700:3034::ac43:b0dc

📝 TXT Records#

2 records 175ms

TXT Record
ms51540244
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

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

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 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 2026-10-08 15:40:27

www	104.21.96.106 172.67.176.220 2606:4700:3033::6815:606a 2606:4700:3034::ac43:b0dc (AS13335) (address records, no CNAME)
www vs bare domain	Same network silverlining-research.dk: 104.21.96.106 172.67.176.220 2606:4700:3033::6815:606a 2606:4700:3034::ac43:b0dc (AS13335) www.silverlining-research.dk: 104.21.96.106 172.67.176.220 2606:4700:3033::6815:606a 2606:4700:3034::ac43:b0dc (AS13335)
Wildcard	Yes: any name under the zone resolves
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

🔗 TLSA / DANE#

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

🔐 DNSSEC#

116ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2415048179
Primary NS (MNAME)	cleo.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-20 15:44:55

Field	Value
Registrar	Simply.com A/S
Registered	2021-09-23
Expires	2027-09-22 (336d)

🔗 Same registrant#

1 domain

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

Domain	Registrar
silverliningresearch.dk	Simply.com A/S

📋 WHOIS#

⏱️ Lookup Timing#

29ms

40ms

36ms

AAAA

34ms

TXT

175ms

CAA

39ms

HTTPS

34ms

TLSA

327ms

SOA

0ms

MTA-STS

66ms

DNSSEC

116ms

SRV

58ms

Total

1547ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-03 14:00:53	1286ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-29 22:54:42	601ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-27 18:25:38	1018ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-26 22:32:06	1374ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-20 07:16:38 shown	1547ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-14 10:53:39	1515ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-03 14:57:54	1259ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-28 00:14:31	1053ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-27 07:56:23	2546ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-10 13:10:04	5599ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-17 16:40:21	17938ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-23 18:22:01	1367ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-22 23:31:32	1190ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-20 06:06:33	639ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-20 05:14:27	987ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-17 23:14:06	939ms	4 NS 1 A 1 MX	🔒 Secure