btsurvey.dk

📜 Historical scan 2026-06-16 17:30:47  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

btsurvey.dk is a .dk domain served by 2 nameservers (demi.ns.cloudflare.com, doug.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.73.83 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 5 more. The zone is not DNSSEC-signed, 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   23ms
NameserverIP addressesPTRASN / ISP
demi.ns.cloudflare.com — — —
doug.ns.cloudflare.com — — —

🌍 A Records#

2 records   25ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.73.83 — — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.189.26 — — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

7 records   24ms
PriorityTTLMail ServerIP addressesPTRASN
10 — aspmx.l.google.com 64.233.161.27 lh-in-f27.1e100.net AS15169 Google LLC
20 — alt1.aspmx.l.google.com 172.253.158.27 so-in-f27.1e100.net AS15169 Google LLC
20 — alt2.aspmx.l.google.com 172.253.158.26 so-in-f26.1e100.net AS15169 Google LLC
30 — aspmx2.googlemail.com 192.178.211.27 lcbomp-in-f27.1e100.net AS15169 Google LLC
30 — aspmx3.googlemail.com 192.178.211.27 lcbomp-in-f27.1e100.net AS15169 Google LLC
30 — aspmx4.googlemail.com 172.253.158.27 so-in-f27.1e100.net AS15169 Google LLC
30 — aspmx5.googlemail.com 172.253.152.26 yulpptr-in-f26.1e100.net AS15169 Google LLC

🔷 AAAA Records (IPv6)#

2 records   24ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:4700:3030::6815:4953 — — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —
2606:4700:3033::ac43:bd1a — — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —

🔐 HTTPS Records#

1 records   22ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.73.83,172.67.189.26 ech=AEX+DQBB6gAgACBAk7biNGguDhfElDNDlBhA4bndbZdx+H8iOS6FUr6nJQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:4953,2606:4700:3033::ac43:bd1a

📝 TXT Records#

📝
No TXT records found

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 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 01:00:18
www104.21.73.83 172.67.189.26 2606:4700:3033::6815:4953 2606:4700:3034::ac43:bd1a (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardYes: any name under the zone resolves

🔗 TLSA / DANE#

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

🔐 DNSSEC#

89ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

23ms
FieldValue
Serial2406273874
Primary NS (MNAME)demi.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup
📋 WHOIS#

⏱️ Lookup Timing#

NS
23ms
A
25ms
MX
24ms
AAAA
24ms
TXT
68ms
CAA
22ms
HTTPS
22ms
TLSA
60ms
SOA
23ms
MTA-STS
65ms
DNSSEC
89ms
SRV
0ms
Total
628ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-03 17:37:41 954ms 2 NS 2 A 7 MX 🔓 Insecure
2026-10-02 17:35:56 662ms 2 NS 2 A 7 MX 🔓 Insecure
2026-10-01 17:34:51 3523ms 2 NS 2 A 7 MX 🔓 Insecure
2026-09-24 16:25:33 808ms 2 NS 2 A 7 MX 🔓 Insecure
2026-09-02 18:54:15 1039ms 2 NS 2 A 7 MX 🔓 Insecure
2026-08-06 23:13:37 1726ms 2 NS 2 A 7 MX 🔓 Insecure
2026-07-02 00:22:29 1192ms 2 NS 2 A 7 MX 🔓 Insecure
2026-06-16 17:37:28 5243ms 2 NS 2 A 7 MX 🔓 Insecure
2026-06-16 17:30:47 shown 628ms 2 NS 2 A 7 MX 🔓 Insecure
2026-06-16 17:30:38 2573ms 2 NS 2 A 7 MX 🔓 Insecure
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