cbartelsen.dk

📜 Historical scan 2026-09-26 13:27:54  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

cbartelsen.dk is a .dk domain served by 2 nameservers (braelyn.ns.cloudflare.com, dylan.ns.cloudflare.com). It was registered on 4 March 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.8.24 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mail.cbartelsen.dk. 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   64ms
NameserverIP addressesPTRASN / ISP
braelyn.ns.cloudflare.com 108.162.194.97
162.159.38.97
172.64.34.97
2606:4700:50::a29f:2661
2803:f800:50::6ca2:c261
2a06:98c1:50::ac40:2261		 braelyn.ns.cloudflare.com
braelyn.ns.cloudflare.com
braelyn.ns.cloudflare.com
braelyn.ns.cloudflare.com
braelyn.ns.cloudflare.com
braelyn.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
dylan.ns.cloudflare.com 108.162.195.187
162.159.44.187
172.64.35.187
2606:4700:58::a29f:2cbb
2803:f800:50::6ca2:c3bb
2a06:98c1:50::ac40:23bb		 dylan.ns.cloudflare.com
dylan.ns.cloudflare.com
dylan.ns.cloudflare.com
dylan.ns.cloudflare.com
dylan.ns.cloudflare.com
dylan.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   33ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.8.24 300s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.138.66 300s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

1 records   67ms
PriorityTTLMail ServerIP addressesPTRASN
0 300s mail.cbartelsen.dk 46.36.212.34
46.36.212.36
46.36.212.37
46.36.212.38
89.188.78.64
89.188.78.65
89.188.78.66
94.231.106.12		 node4.spamfilter.io
node8.spamfilter.io
node6.spamfilter.io
node7.spamfilter.io
node3.spamfilter.io
node9.spamfilter.io
node10.spamfilter.io
node2.spamfilter.io		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscoverautodiscover.outlook.com → 40.104.116.24
🔶 Autoconfig104.21.8.24

🔷 AAAA Records (IPv6)#

2 records   38ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:4700:3033::ac43:8a42 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —
2606:4700:3037::6815:818 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=104.21.8.24,172.67.138.66 ech=AEX+DQBBPwAgACCiUxItAIWJ5JF572kKNdXvt/9sw6aIQLxOJt5gPI1rHgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:8a42,2606:4700:3037::6815:818

📝 TXT Records#

2 records   276ms
TXT Record
MS=ms32980724
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

PolicyRecord (cbartelsen.dk)
-all (hard fail) v=spf1 include:spf.protection.outlook.com -all

📨 DMARC#

PolicyRecord (_dmarc.cbartelsen.dk)
p=none (monitor only) v=DMARC1; p=none; rua=mailto:e2682d6ca0974db6995b49ad1ed04ed3@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 2026-10-15 12:41:38
www104.21.8.24 172.67.138.66 2a06:98c1:3120::1 2a06:98c1:3121::1 (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardYes: any name under the zone resolves
CDS / CDNSKEYPublished: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

9071ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✓ Found
Flagsunsigned answer

🏷️ SOA#

0ms
FieldValue
Serial2413837509
Primary NS (MNAME)braelyn.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-13 06:05:06
FieldValue
RegistrarDANDOMAIN A/S
Registered2025-03-04
Expires2027-03-03 (137d)

🔗 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
64ms
A
33ms
MX
67ms
AAAA
38ms
TXT
276ms
CAA
41ms
HTTPS
42ms
TLSA
97ms
SOA
0ms
MTA-STS
64ms
DNSSEC
9071ms
SRV
91ms
Total
9575ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-15 12:41:38 1688ms 2 NS 2 A 1 MX 🔓 Insecure
2026-10-14 11:46:12 2767ms 2 NS 2 A 1 MX 🔓 Insecure
2026-10-13 10:57:23 3775ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-30 21:42:51 1037ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-29 21:37:06 813ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-27 13:48:27 746ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-26 13:27:54 shown 9575ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-02 18:23:44 1279ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-27 07:30:04 9786ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-17 07:21:55 1568ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-14 15:26:47 9311ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-13 08:51:30 1507ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-09 15:43:59 4911ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-06 22:24:31 1430ms 2 NS 2 A 1 MX ❓ Unknown
2026-07-17 11:45:50 10009ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-24 17:34:23 928ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-16 19:50:59 805ms 2 NS 2 A 1 MX 🔓 Insecure
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