bilstrom.dk

📜 Historical scan 2026-08-26 01:30:04  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

bilstrom.dk is a .dk domain served by 2 nameservers (jarred.ns.cloudflare.com, mia.ns.cloudflare.com). It was registered on 28 November 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.65.15 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mail.tutanota.de. 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   94ms

🌍 A Records#

2 records   93ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.65.15 300s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.157.65 300s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

1 records   40ms

🔷 AAAA Records (IPv6)#

2 records   68ms

🔐 HTTPS Records#

1 records   63ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.65.15,172.67.157.65 ech=AEX+DQBB4AAgACC9+/nBzGwIOrbYI730uv/4MJRytdwqvKluOdLughCZaAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:9d41,2606:4700:3033::6815:410f

📝 TXT Records#

2 records   238ms
TXT Record
t-verify=dd89185437ef568d74f349ee9127b872
v=spf1 include:spf.tutanota.de -all

✉️ SPF#

PolicyRecord (bilstrom.dk)
-all (hard fail) v=spf1 include:spf.tutanota.de -all

📨 DMARC#

PolicyRecord (_dmarc.bilstrom.dk)
p=quarantine v=DMARC1; p=quarantine; adkim=s

📬 MTA-STS#

309ms
CheckResult
Status🔒 Enforce
TXT record (_mta-sts)✓ Found
HTTPS policy✓ Valid
Modeenforce
Policy ID20190723
max_age86400s
Policy MXmail.tutanota.de

📈 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 20:36:04

✍️ DKIM keys#

3 found
SelectorCNAMEKey
mail — RSA · ~2048 bit
s1 s1.domainkey.tutanota.de RSA · ~2048 bit
s2 s2.domainkey.tutanota.de 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#

1 records   139ms
Service / OwnerTypeCert association
SMTP _25._tcp.mail.tutanota.de DANE-EE · Full cert · SHA-256 D141F8F3A4AAC2E4D2677AAFCC723D8E…

🔐 DNSSEC#

136ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

0ms
FieldValue
Serial2411181905
Primary NS (MNAME)jarred.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-05 07:54:06
FieldValue
RegistrarDANDOMAIN A/S
Registered2025-11-28
Expires2026-11-27 (40d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
94ms
A
93ms
MX
40ms
AAAA
68ms
TXT
238ms
CAA
62ms
HTTPS
63ms
TLSA
139ms
SOA
0ms
MTA-STS
309ms
DNSSEC
136ms
SRV
88ms
Total
984ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-07 20:36:04 1295ms 2 NS 2 A 1 MX 🔓 Insecure
2026-10-05 07:44:27 1965ms 2 NS 2 A 1 MX 🔓 Insecure
2026-10-02 07:06:33 1173ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-21 13:42:48 967ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-13 21:12:57 3245ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-04 23:12:20 1517ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-26 01:30:04 shown 984ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-09 10:49:42 1717ms 2 NS 2 A 1 MX 🔓 Insecure
2026-07-23 03:21:37 10673ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-19 13:10:45 6572ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-16 14:36:16 753ms 2 NS 2 A 1 MX 🔓 Insecure
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