silverlining-research.dk

📜 Historical scan 2026-09-27 18:25:38  ·  ← 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   48ms

🌍 A Records#

2 records   40ms
IPTTLPTRASNISP / OrgCIDRCountryCity
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   40ms

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscover104.21.96.106
🔶 Autoconfig172.67.176.220

🔷 AAAA Records (IPv6)#

2 records   40ms

🔐 HTTPS Records#

1 records   46ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.96.106,172.67.176.220 ech=AEX+DQBBUAAgACDQMISFk3JhgVXoTRE1WOWUWoNMBle6JY4TVagLITX1IwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:606a,2606:4700:3034::ac43:b0dc

📝 TXT Records#

2 records   207ms
TXT Record
ms51540244
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

PolicyRecord (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
www104.21.96.106 172.67.176.220 2606:4700:3033::6815:606a 2606:4700:3034::ac43:b0dc (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardYes: any name under the zone resolves
CDS / CDNSKEYPublished: 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#

63ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

0ms
FieldValue
Serial2415935457
Primary NS (MNAME)cleo.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-20 15:44:55
FieldValue
RegistrarSimply.com A/S
Registered2021-09-23
Expires2027-09-22 (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).

DomainRegistrar
silverliningresearch.dkSimply.com A/S
📋 WHOIS#

⏱️ Lookup Timing#

NS
48ms
A
40ms
MX
40ms
AAAA
40ms
TXT
207ms
CAA
41ms
HTTPS
46ms
TLSA
370ms
SOA
0ms
MTA-STS
63ms
DNSSEC
63ms
SRV
70ms
Total
1018ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
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 shown 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 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
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