sierracapital.dk

📜 Historical scan 2026-06-21 12:04:57  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

sierracapital.dk is a .dk domain served by 2 nameservers (mack.ns.cloudflare.com, tricia.ns.cloudflare.com). It was registered on 21 May 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.61.118 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. The zone is not DNSSEC-signed, publishes a 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   112ms
NameserverIP addressesPTRASN / ISP
mack.ns.cloudflare.com 108.162.195.37
162.159.44.37
172.64.35.37
2606:4700:58::a29f:2c25
2803:f800:50::6ca2:c325
2a06:98c1:50::ac40:2325		 mack.ns.cloudflare.com
mack.ns.cloudflare.com
mack.ns.cloudflare.com
mack.ns.cloudflare.com
mack.ns.cloudflare.com
mack.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
tricia.ns.cloudflare.com 108.162.192.232
172.64.32.232
173.245.58.232
2606:4700:50::adf5:3ae8
2803:f800:50::6ca2:c0e8
2a06:98c1:50::ac40:20e8		 tricia.ns.cloudflare.com
tricia.ns.cloudflare.com
tricia.ns.cloudflare.com
tricia.ns.cloudflare.com
tricia.ns.cloudflare.com
tricia.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   127ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.61.118 300s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.210.68 300s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

5 records   94ms
PriorityTTLMail ServerIP addressesPTRASN
1 300s aspmx.l.google.com 142.251.9.26
2a00:1450:4025:c03::1b		 rc-in-f26.1e100.net
rc-in-f27.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
5 300s alt1.aspmx.l.google.com 142.250.147.26
2a00:1450:4025:c01::1b		 rd-in-f26.1e100.net
rd-in-f27.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
5 300s alt2.aspmx.l.google.com 172.253.158.27
2404:6800:4003:c26::1b		 so-in-f27.1e100.net
so-in-f27.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
10 300s alt3.aspmx.l.google.com 142.250.147.26
2a00:1450:4025:c01::1b		 rd-in-f26.1e100.net
rd-in-f27.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
10 300s alt4.aspmx.l.google.com 192.178.230.27
2404:6800:400b:c01b::1a		 yunrtab-in-f27.1e100.net
yunrtab-in-f26.1e100.net		 AS15169 Google LLC
AS15169 Google LLC

🔷 AAAA Records (IPv6)#

2 records   126ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:4700:3034::6815:3d76 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —
2606:4700:3036::ac43:d244 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —

🔐 HTTPS Records#

1 records   133ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.61.118,172.67.210.68 ech=AEX+DQBB1AAgACDbqtfu4FczMptZhb4sA3uJ5F/YqoE9lWPpw3cMHx/ddwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::6815:3d76,2606:4700:3036::ac43:d244

📝 TXT Records#

1 records   388ms
TXT Record
v=spf1 include:_spf.google.com ~all

✉️ SPF#

PolicyRecord (sierracapital.dk)
~all (soft fail) v=spf1 include:_spf.google.com ~all

📨 DMARC#

PolicyRecord (_dmarc.sierracapital.dk)
p=none (monitor only) v=DMARC1; p=none; rua=mailto:you@example.com

📬 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 2026-10-22 09:11:23
www104.21.61.118 172.67.210.68 2606:4700:3035::6815:3d76 2606:4700:3036::ac43:d244 (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardNo

✍️ DKIM keys#

1 found
SelectorCNAMEKey
google — RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 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#

319ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

118ms
FieldValue
Serial2406317787
Primary NS (MNAME)mack.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-21 07:17:36
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2023-05-21
Expires2027-05-20 (205d)

🔗 Same registrant#

0 domains

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).

No other domain with this registrant in our WHOIS data yet
📋 WHOIS#

⏱️ Lookup Timing#

NS
112ms
A
127ms
MX
94ms
AAAA
126ms
TXT
388ms
CAA
108ms
HTTPS
133ms
TLSA
200ms
SOA
118ms
MTA-STS
127ms
DNSSEC
319ms
SRV
142ms
Total
1677ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-22 09:11:23 808ms 2 NS 2 A 5 MX 🔓 Insecure
2026-10-21 07:08:33 2586ms 2 NS 2 A 5 MX 🔓 Insecure
2026-10-13 16:18:59 3161ms 2 NS 2 A 5 MX 🔓 Insecure
2026-10-03 19:46:13 1009ms 2 NS 2 A 5 MX 🔓 Insecure
2026-09-30 19:31:43 591ms 2 NS 2 A 5 MX 🔓 Insecure
2026-09-04 00:52:41 2567ms 2 NS 2 A 5 MX 🔓 Insecure
2026-08-14 21:01:22 1612ms 2 NS 2 A 5 MX 🔓 Insecure
2026-08-07 15:56:27 2095ms 2 NS 2 A 5 MX 🔓 Insecure
2026-06-21 12:04:57 shown 1677ms 2 NS 2 A 5 MX 🔓 Insecure
2026-06-21 06:28:41 1185ms 0 NS 0 A 0 MX ❓ Unknown
2026-06-20 07:50:48 2477ms 2 NS 2 A 5 MX 🔓 Insecure
2026-06-17 22:10:02 1390ms 2 NS 2 A 5 MX 🔓 Insecure
dhd.dk [/] search Domains, Hosts & DNS — .dk zone