bilstrom.dk

📜 Historical scan 2026-09-21 13:42:48  ·  ← 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   36ms
NameserverIP addressesPTRASN / ISP
jarred.ns.cloudflare.com 108.162.195.126
162.159.44.126
172.64.35.126
2606:4700:58::a29f:2c7e
2803:f800:50::6ca2:c37e
2a06:98c1:50::ac40:237e		 jarred.ns.cloudflare.com
jarred.ns.cloudflare.com
jarred.ns.cloudflare.com
jarred.ns.cloudflare.com
jarred.ns.cloudflare.com
jarred.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
mia.ns.cloudflare.com 108.162.192.200
172.64.32.200
173.245.58.200
2606:4700:50::adf5:3ac8
2803:f800:50::6ca2:c0c8
2a06:98c1:50::ac40:20c8		 mia.ns.cloudflare.com
mia.ns.cloudflare.com
mia.ns.cloudflare.com
mia.ns.cloudflare.com
mia.ns.cloudflare.com
mia.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   53ms
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   41ms
PriorityTTLMail ServerIP addressesPTRASN
1000 300s mail.tutanota.de 185.205.69.211
185.205.69.213
185.205.69.214		 mail.w11.tutanota.de
mail.w13.tutanota.de
mail.w14.tutanota.de		 AS210909 Tutao GmbH
AS210909 Tutao GmbH
AS210909 Tutao GmbH

🔷 AAAA Records (IPv6)#

2 records   35ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:4700:3031::ac43:9d41 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —
2606:4700:3033::6815:410f 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —

🔐 HTTPS Records#

1 records   42ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.65.15,172.67.157.65 ech=AEX+DQBBbQAgACD15xU/oXBhZWBHFGSfvFOJyt//XZEXhpvjuotrMuxEJwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:9d41,2606:4700:3033::6815:410f

📝 TXT Records#

2 records   159ms
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#

335ms
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
www104.21.65.15 172.67.157.65 2606:4700:3031::ac43:9d41 2606:4700:3033::6815:410f (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardNo

✍️ 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#

2 records   111ms
Service / OwnerTypeCert association
SMTP _25._tcp.mail.tutanota.de DANE-EE · SPKI · SHA-256 5AE0D6DC8A713441003F578C5A1D4D70…
SMTP _25._tcp.mail.tutanota.de DANE-EE · Full cert · SHA-256 D141F8F3A4AAC2E4D2677AAFCC723D8E…

🔐 DNSSEC#

123ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

0ms
FieldValue
Serial2415363267
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 (41d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
36ms
A
53ms
MX
41ms
AAAA
35ms
TXT
159ms
CAA
40ms
HTTPS
42ms
TLSA
111ms
SOA
0ms
MTA-STS
335ms
DNSSEC
123ms
SRV
53ms
Total
967ms

🕐 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 shown 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 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
dhd.dk [/] search Domains, Hosts & DNS — .dk zone