usearch.dk

📜 Historical scan 2026-09-25 13:53:40  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

usearch.dk is a .dk domain served by 2 nameservers (irma.ns.cloudflare.com, rocco.ns.cloudflare.com). It was registered on 10 September 2024 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.13.191 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by clients.danmail.net. The zone is DNSSEC-signed and validates, 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   46ms
NameserverIP addressesPTRASN / ISP
irma.ns.cloudflare.com 108.162.192.166
172.64.32.166
173.245.58.166
2606:4700:50::adf5:3aa6
2803:f800:50::6ca2:c0a6
2a06:98c1:50::ac40:20a6		 irma.ns.cloudflare.com
irma.ns.cloudflare.com
irma.ns.cloudflare.com
irma.ns.cloudflare.com
irma.ns.cloudflare.com
irma.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
rocco.ns.cloudflare.com 108.162.195.121
162.159.44.121
172.64.35.121
2606:4700:58::a29f:2c79
2803:f800:50::6ca2:c379
2a06:98c1:50::ac40:2379		 rocco.ns.cloudflare.com
rocco.ns.cloudflare.com
rocco.ns.cloudflare.com
rocco.ns.cloudflare.com
rocco.ns.cloudflare.com
rocco.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   28ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.13.191 300s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.133.18 300s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

1 records   26ms
PriorityTTLMail ServerIP addressesPTRASN
10 300s clients.danmail.net 2a02:c207:2290:9901::1
62.84.187.68		 clients.danmail.net
clients.danmail.net		 AS51167 Contabo GmbH
AS51167 Contabo GmbH

🔷 AAAA Records (IPv6)#

2 records   42ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:4700:3031::6815:dbf 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —
2606:4700:3032::ac43:8512 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —

🔐 HTTPS Records#

1 records   32ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.13.191,172.67.133.18 ech=AEX+DQBBvgAgACCgK+e0XOJUMplJ3+UeBBMm3OZomg2UuZCpw9MaObm3GAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:dbf,2606:4700:3032::ac43:8512

📝 TXT Records#

1 records   180ms
TXT Record
v=spf1 +a +mx +ip4:62.84.187.68 ~all

✉️ SPF#

PolicyRecord (usearch.dk)
~all (soft fail) v=spf1 +a +mx +ip4:62.84.187.68 ~all

📨 DMARC#

PolicyRecord (_dmarc.usearch.dk)
p=reject v=DMARC1; p=reject

📬 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 2026-10-07 16:33:58
www104.21.13.191 172.67.133.18 2606:4700:3031::6815:dbf 2606:4700:3032::ac43:8512 (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardNo
Denial of existenceCompact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEYPublished: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

1 found
SelectorCNAMEKey
default — 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: 2/10 · policy: ~all

No problems found

🔏 ACME Challenge#

TypeNameValue
TXT _acme-challenge.usearch.dk EQGEo3Gz_YB05Dn9zFyhLXdZURP3IddQqv75hHuD_hg
TXT _acme-challenge.usearch.dk meUHQi4H25QsM3UQq9Uyb76WtoaTDF3md3-GjXU1y3I

🔗 TLSA / DANE#

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

🔐 DNSSEC#

106ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

0ms
FieldValue
Serial2415740737
Primary NS (MNAME)irma.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-05 15:13:13
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2024-09-10
Expires2027-09-09 (326d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
46ms
A
28ms
MX
26ms
AAAA
42ms
TXT
180ms
CAA
46ms
HTTPS
32ms
TLSA
90ms
SOA
0ms
MTA-STS
50ms
DNSSEC
106ms
SRV
70ms
Total
690ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-09-26 14:05:34 710ms 2 NS 2 A 1 MX 🔒 Secure
2026-09-25 13:53:40 shown 690ms 2 NS 2 A 1 MX 🔒 Secure
2026-09-24 13:48:57 803ms 3 NS 1 A 1 MX 🔓 Insecure
2026-09-23 13:12:59 816ms 3 NS 1 A 1 MX 🔓 Insecure
2026-09-18 13:00:34 1187ms 3 NS 1 A 1 MX 🔓 Insecure
2026-09-13 04:49:49 2935ms 3 NS 1 A 1 MX 🔓 Insecure
2026-09-11 02:27:21 1105ms 3 NS 1 A 1 MX 🔓 Insecure
2026-09-07 06:50:26 1291ms 3 NS 1 A 1 MX 🔓 Insecure
2026-09-04 15:54:57 1907ms 3 NS 1 A 1 MX 🔓 Insecure
2026-08-30 20:12:22 1869ms 3 NS 1 A 1 MX 🔓 Insecure
2026-08-29 18:30:38 946ms 3 NS 1 A 1 MX 🔓 Insecure
2026-08-28 05:24:49 9792ms 3 NS 1 A 1 MX 🔓 Insecure
2026-08-27 07:02:56 1353ms 3 NS 1 A 1 MX 🔓 Insecure
2026-08-26 07:00:16 1004ms 3 NS 1 A 1 MX 🔓 Insecure
2026-08-24 19:21:00 1237ms 3 NS 1 A 1 MX 🔓 Insecure
2026-08-23 17:41:38 3565ms 3 NS 1 A 1 MX 🔓 Insecure
2026-08-22 14:31:53 1449ms 3 NS 1 A 1 MX 🔓 Insecure
2026-08-21 14:12:27 9140ms 3 NS 1 A 1 MX 🔓 Insecure
2026-08-20 14:02:11 4348ms 3 NS 1 A 1 MX 🔓 Insecure
2026-08-19 05:00:50 10227ms 3 NS 1 A 1 MX 🔓 Insecure
2026-08-18 01:46:00 1218ms 3 NS 1 A 1 MX 🔓 Insecure
2026-08-16 13:07:49 3462ms 3 NS 1 A 1 MX 🔓 Insecure
2026-08-14 10:22:29 16831ms 3 NS 1 A 1 MX 🔓 Insecure
2026-08-12 20:42:17 3696ms 3 NS 1 A 1 MX 🔓 Insecure
2026-08-09 12:16:02 10250ms 3 NS 1 A 1 MX 🔓 Insecure
dhd.dk [/] search Domains, Hosts & DNS — .dk zone