bierke.dk

📜 Historical scan 2026-09-30 16:35:05  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

bierke.dk is a .dk domain served by 2 nameservers (alexis.ns.cloudflare.com, izabella.ns.cloudflare.com). It was registered on 14 May 2024 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.55.43 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx.simply.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   43ms
NameserverIP addressesPTRASN / ISP
alexis.ns.cloudflare.com 108.162.193.60
172.64.33.60
173.245.59.60
2606:4700:58::adf5:3b3c
2803:f800:50::6ca2:c13c
2a06:98c1:50::ac40:213c		 alexis.ns.cloudflare.com
alexis.ns.cloudflare.com
alexis.ns.cloudflare.com
alexis.ns.cloudflare.com
alexis.ns.cloudflare.com
alexis.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
izabella.ns.cloudflare.com 108.162.194.46
162.159.38.46
172.64.34.46
2606:4700:50::a29f:262e
2803:f800:50::6ca2:c22e
2a06:98c1:50::ac40:222e		 izabella.ns.cloudflare.com
izabella.ns.cloudflare.com
izabella.ns.cloudflare.com
izabella.ns.cloudflare.com
izabella.ns.cloudflare.com
izabella.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   44ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.55.43 300s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.144.132 300s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

1 records   40ms
PriorityTTLMail ServerIP addressesPTRASN
10 300s mx.simply.com 94.231.106.20 mx.simply.com AS48854 team.blue Denmark A/S

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscover104.21.55.43
🔶 Autoconfig104.21.55.43

🔷 AAAA Records (IPv6)#

2 records   56ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:4700:3031::6815:372b 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —
2606:4700:3033::ac43:9084 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —

🔐 HTTPS Records#

1 records   62ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.55.43,172.67.144.132 ech=AEX+DQBBfQAgACDNaAfAfAoQPHxoVrmj1DP8fqwD3X325HwHcrQv7Gf/CAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:372b,2606:4700:3033::ac43:9084

📝 TXT Records#

1 records   212ms
TXT Record
v=spf1 include:spf.simply.com -all

✉️ SPF#

PolicyRecord (bierke.dk)
-all (hard fail) v=spf1 include:spf.simply.com -all

📨 DMARC#

PolicyRecord (_dmarc.bierke.dk)
p=none (monitor only) v=DMARC1; p=none; rua=mailto:fecaae9f77d84975982946fc2210077e@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 2026-10-16 08:31:32
www104.21.55.43 172.67.144.132 2606:4700:3031::6815:372b 2606:4700:3033::ac43:9084 (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardYes: any name under the zone resolves

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

3 records   75ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx.simply.com DANE-EE · SPKI · SHA-256 A9D603AF4D7ED6B9246B4B68500CD6F2…
SMTP _25._tcp.mx.simply.com DANE-EE · SPKI · SHA-256 4B949F05A63FED95FC94B3A83DD70167…
SMTP _25._tcp.mx.simply.com DANE-EE · SPKI · SHA-256 97A3BA009F39C761BFFB6574340E8138…

🔐 DNSSEC#

114ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

39ms
FieldValue
Serial2414995341
Primary NS (MNAME)alexis.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-16 09:01:29
FieldValue
RegistrarSimply.com A/S
Registered2024-05-14
Expires2027-05-13 (207d)

🔗 Same registrant#

0 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

No other domain with this registrant in our WHOIS data yet
📋 WHOIS#

⏱️ Lookup Timing#

NS
43ms
A
44ms
MX
40ms
AAAA
56ms
TXT
212ms
CAA
38ms
HTTPS
62ms
TLSA
75ms
SOA
39ms
MTA-STS
59ms
DNSSEC
114ms
SRV
75ms
Total
639ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-16 08:31:32 3085ms 2 NS 2 A 1 MX 🔓 Insecure
2026-10-06 21:56:32 3070ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-30 16:35:05 shown 639ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-29 15:14:39 1727ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-17 21:11:55 781ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-05 22:19:07 592ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-17 14:11:18 2223ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-09 06:30:16 1156ms 2 NS 2 A 1 MX 🔓 Insecure
2026-07-21 17:29:50 17289ms 2 NS 2 A 1 MX 🔓 Insecure
2026-07-18 02:16:28 8789ms 2 NS 2 A 1 MX 🔓 Insecure
2026-07-06 05:05:18 5072ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-23 10:58:28 2932ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-23 07:22:40 1180ms 0 NS 0 A 0 MX ❓ Unknown
2026-06-21 00:02:55 3033ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-16 14:29:08 705ms 2 NS 2 A 1 MX 🔓 Insecure
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