b18.dk

📜 Historical scan 2026-08-28 13:48:39  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

b18.dk is a .dk domain served by 2 nameservers (jacob.ns.cloudflare.com, lia.ns.cloudflare.com). It was registered on 23 June 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.79.123 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mxext1.mailbox.org, mxext2.mailbox.org and 1 more. 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   73ms
NameserverIP addressesPTRASN / ISP
jacob.ns.cloudflare.com 108.162.195.162
162.159.44.162
172.64.35.162
2606:4700:58::a29f:2ca2
2803:f800:50::6ca2:c3a2
2a06:98c1:50::ac40:23a2		 jacob.ns.cloudflare.com
jacob.ns.cloudflare.com
jacob.ns.cloudflare.com
jacob.ns.cloudflare.com
jacob.ns.cloudflare.com
jacob.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
lia.ns.cloudflare.com 108.162.192.185
172.64.32.185
173.245.58.185
2606:4700:50::adf5:3ab9
2803:f800:50::6ca2:c0b9
2a06:98c1:50::ac40:20b9		 lia.ns.cloudflare.com
lia.ns.cloudflare.com
lia.ns.cloudflare.com
lia.ns.cloudflare.com
lia.ns.cloudflare.com
lia.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   74ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.79.123 300s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.145.161 300s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

3 records   87ms
PriorityTTLMail ServerIP addressesPTRASN
10 300s mxext1.mailbox.org 2001:67c:2050:104:0:1:25:1
80.241.60.212		 mx1.mailbox.org
mx1.mailbox.org		 AS199118 Heinlein Support GmbH
AS199118 Heinlein Support GmbH
10 300s mxext2.mailbox.org 2001:67c:2050:104:0:2:25:1
80.241.60.215		 mx2.mailbox.org
mx2.mailbox.org		 AS199118 Heinlein Support GmbH
AS199118 Heinlein Support GmbH
20 300s mxext3.mailbox.org 2001:67c:2050:104:0:3:25:1
80.241.60.216		 mx3.mailbox.org
mx3.mailbox.org		 AS199118 Heinlein Support GmbH
AS199118 Heinlein Support GmbH

🔷 AAAA Records (IPv6)#

2 records   86ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:4700:3030::ac43:91a1 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —
2606:4700:3031::6815:4f7b 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —

🔐 HTTPS Records#

1 records   86ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.79.123,172.67.145.161 ech=AEX+DQBBjQAgACBSh8QW+XqlJXROM9FqAwq4DhVtV7x48NVL/eUjcZ0oNAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:91a1,2606:4700:3031::6815:4f7b

📝 TXT Records#

1 records   307ms
TXT Record
v=spf1 include:mailbox.org ~all

✉️ SPF#

PolicyRecord (b18.dk)
~all (soft fail) v=spf1 include:mailbox.org ~all

📨 DMARC#

PolicyRecord (_dmarc.b18.dk)
p=none (monitor only) v=DMARC1; p=none; rua=mailto:dmarc@b18.dk

📬 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 2026-10-12 14:36:34
www104.21.79.123 172.67.145.161 2606:4700:3030::ac43:91a1 2606:4700:3031::6815:4f7b (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardNo

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

9 records   168ms
Service / OwnerTypeCert association
SMTP _25._tcp.mxext1.mailbox.org DANE-EE · SPKI · SHA-256 E41CC7633029AFDBA53744D7E5FC31EF…
SMTP _25._tcp.mxext1.mailbox.org DANE-EE · SPKI · SHA-256 996AD31D65E03F038B8EC950F6F26611…
SMTP _25._tcp.mxext1.mailbox.org DANE-EE · SPKI · SHA-256 4758AF6F02DFB5DC8795FA402E77A8A0…
SMTP _25._tcp.mxext2.mailbox.org DANE-EE · SPKI · SHA-256 4758AF6F02DFB5DC8795FA402E77A8A0…
SMTP _25._tcp.mxext2.mailbox.org DANE-EE · SPKI · SHA-256 996AD31D65E03F038B8EC950F6F26611…
SMTP _25._tcp.mxext2.mailbox.org DANE-EE · SPKI · SHA-256 E41CC7633029AFDBA53744D7E5FC31EF…
SMTP _25._tcp.mxext3.mailbox.org DANE-EE · SPKI · SHA-256 996AD31D65E03F038B8EC950F6F26611…
SMTP _25._tcp.mxext3.mailbox.org DANE-EE · SPKI · SHA-256 4758AF6F02DFB5DC8795FA402E77A8A0…
SMTP _25._tcp.mxext3.mailbox.org DANE-EE · SPKI · SHA-256 E41CC7633029AFDBA53744D7E5FC31EF…

🔐 DNSSEC#

184ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

0ms
FieldValue
Serial2413389465
Primary NS (MNAME)jacob.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-12 15:05:34
FieldValue
RegistrarSoluciones Corporativas IP, SL
Registered2025-06-23
Expires2027-06-22 (248d)

🔗 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
73ms
A
74ms
MX
87ms
AAAA
86ms
TXT
307ms
CAA
88ms
HTTPS
86ms
TLSA
168ms
SOA
0ms
MTA-STS
143ms
DNSSEC
184ms
SRV
139ms
Total
2216ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-12 14:36:34 1232ms 2 NS 2 A 3 MX 🔓 Insecure
2026-09-29 17:08:04 1070ms 2 NS 2 A 3 MX 🔓 Insecure
2026-09-17 14:30:17 10632ms 2 NS 2 A 3 MX 🔓 Insecure
2026-09-11 18:37:17 1711ms 2 NS 2 A 3 MX 🔓 Insecure
2026-08-28 13:48:39 shown 2216ms 2 NS 2 A 3 MX 🔓 Insecure
2026-08-14 20:34:19 1642ms 2 NS 2 A 3 MX 🔓 Insecure
2026-07-01 19:33:00 2447ms 2 NS 2 A 3 MX 🔓 Insecure
2026-06-16 13:57:27 1016ms 2 NS 2 A 3 MX 🔓 Insecure
dhd.dk [/] search Domains, Hosts & DNS — .dk zone