sdnielsen.dk

📜 Historical scan 2026-06-18 06:17:43  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

sdnielsen.dk is a .dk domain served by 2 nameservers (brianna.ns.cloudflare.com, trey.ns.cloudflare.com). It was registered on 3 January 2010 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.79.82 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by smtp.google.com. 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   39ms
NameserverIP addressesPTRASN / ISP
brianna.ns.cloudflare.com 108.162.192.245
172.64.32.245
173.245.58.245
2606:4700:50::adf5:3af5
2803:f800:50::6ca2:c0f5
2a06:98c1:50::ac40:20f5		 brianna.ns.cloudflare.com
brianna.ns.cloudflare.com
brianna.ns.cloudflare.com
brianna.ns.cloudflare.com
brianna.ns.cloudflare.com
brianna.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
trey.ns.cloudflare.com 108.162.193.242
172.64.33.242
173.245.59.242
2606:4700:58::adf5:3bf2
2803:f800:50::6ca2:c1f2
2a06:98c1:50::ac40:21f2		 trey.ns.cloudflare.com
trey.ns.cloudflare.com
trey.ns.cloudflare.com
trey.ns.cloudflare.com
trey.ns.cloudflare.com
trey.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   58ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.79.82 — — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.169.102 — — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

1 records   32ms
PriorityTTLMail ServerIP addressesPTRASN
1 — smtp.google.com 173.194.220.26
173.194.222.26
173.194.222.27
2a00:1450:4025:c01::1a
2a00:1450:4025:c01::1b
2a00:1450:4025:c03::1a
2a00:1450:4025:c03::1b
64.233.164.26
64.233.164.27		 lk-in-f26.1e100.net
lo-in-f26.1e100.net
lo-in-f27.1e100.net
rd-in-f26.1e100.net
rd-in-f27.1e100.net
rc-in-f26.1e100.net
rc-in-f27.1e100.net
lf-in-f26.1e100.net
lf-in-f27.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
AS15169 Google LLC
AS15169 Google LLC
AS15169 Google LLC
AS15169 Google LLC
AS15169 Google LLC
AS15169 Google LLC
AS15169 Google LLC

🔷 AAAA Records (IPv6)#

2 records   27ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:4700:3034::6815:4f52 — — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —
2606:4700:3035::ac43:a966 — — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —

🔐 HTTPS Records#

1 records   45ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.79.82,172.67.169.102 ech=AEX+DQBBvgAgACBJni85WGHe97uPSIHOOQhUxAzLI4MySMevNjtzivHyJwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::6815:4f52,2606:4700:3035::ac43:a966

📝 TXT Records#

3 records   185ms
TXT Record
amazon-business-verification=28c601763b26040a398a288314e01276dff5cc1276ef65c86354d5ee0263968e
google-site-verification=Jw-L0h3ok2xONuN47k8h3VgOXMiTjXsM0aUBgmDXQbI
v=spf1 include:_spf.google.com ~all

✉️ SPF#

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

📨 DMARC#

PolicyRecord (_dmarc.sdnielsen.dk)
p=reject v=DMARC1; p=reject; rua=mailto:a6516a75e66c4f1f86544b0f9d934e6c@dmarc-reports.cloudflare.net

📬 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 2026-10-11 08:54:41
www104.21.79.82 172.67.169.102 2606:4700:3037::6815:4f52 2606:4700:3037::ac43:a966 (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardNo
Denial of existenceCompact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEYDelete signal: the zone asks the registry to remove its DS (go insecure) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

1 found
SelectorCNAMEKey
google — RSA · ~1024 bit below 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#

109ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✓ Found
Flagsunsigned answer

🏷️ SOA#

37ms
FieldValue
Serial2406765574
Primary NS (MNAME)brianna.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-06 23:43:10
FieldValue
Registrardns.services ApS
Registered2010-01-03
Expires2027-01-31 (103d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
39ms
A
58ms
MX
32ms
AAAA
27ms
TXT
185ms
CAA
44ms
HTTPS
45ms
TLSA
165ms
SOA
37ms
MTA-STS
59ms
DNSSEC
109ms
SRV
84ms
Total
1161ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-11 08:54:41 2133ms 2 NS 2 A 1 MX 🔓 Insecure
2026-10-07 23:26:26 877ms 2 NS 2 A 1 MX 🔓 Insecure
2026-10-06 23:22:10 2672ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-30 20:43:33 676ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-26 10:45:12 1643ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-19 14:02:37 813ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-07 23:18:35 2777ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-26 22:23:37 675ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-24 16:37:46 3260ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-10 02:34:17 6525ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-04 14:36:33 1590ms 2 NS 2 A 1 MX 🔓 Insecure
2026-07-11 23:45:08 10432ms 2 NS 2 A 1 MX 🔓 Insecure
2026-07-07 03:28:06 2152ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-30 12:46:02 1111ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-26 10:20:16 1143ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-25 02:05:25 1296ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-20 21:08:56 1234ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-18 06:17:43 shown 1161ms 2 NS 2 A 1 MX 🔓 Insecure
dhd.dk [/] search Domains, Hosts & DNS — .dk zone