dahl-sorensen.dk

📜 Historical scan 2026-06-16 23:44:19  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

dahl-sorensen.dk is a .dk domain served by 2 nameservers (asa.ns.cloudflare.com, rene.ns.cloudflare.com). It was registered on 11 February 1998 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.37.88 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx1-dk.centerasecurity.dk, mx2-dk.centerasecurity.dk 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   86ms
NameserverIP addressesPTRASN / ISP
asa.ns.cloudflare.com — — —
rene.ns.cloudflare.com — — —

🌍 A Records#

2 records   32ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.37.88 — — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.206.81 — — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

3 records   32ms
PriorityTTLMail ServerIP addressesPTRASN
10 — mx1-dk.centerasecurity.dk 128.76.60.167
128.76.60.187
89.233.19.127
89.233.19.127
89.233.19.188
89.233.19.188		 mx6.centerasecurity.dk
mx6.centerasecurity.dk
127.0-254.19.233.89.in-addr.arpa
mx14.centerasecurity.dk
188.0-254.19.233.89.in-addr.arpa
mx14.centerasecurity.dk		 AS3292 TDC Holding A/S
AS3292 TDC Holding A/S
AS3308 Norlys Telco A/S
AS3308 Norlys Telco A/S
AS3308 Norlys Telco A/S
AS3308 Norlys Telco A/S
10 — mx2-dk.centerasecurity.dk 128.76.60.168
128.76.60.169
89.233.19.128
89.233.19.128
89.233.19.129
89.233.19.129		 mx6.centerasecurity.dk
mx6.centerasecurity.dk
128.0-254.19.233.89.in-addr.arpa
mx14.centerasecurity.dk
129.0-254.19.233.89.in-addr.arpa
mx14.centerasecurity.dk		 AS3292 TDC Holding A/S
AS3292 TDC Holding A/S
AS3308 Norlys Telco A/S
AS3308 Norlys Telco A/S
AS3308 Norlys Telco A/S
AS3308 Norlys Telco A/S
20 — mx3-dk.centerasecurity.dk 128.76.60.187
89.233.19.129
89.233.19.129		 mx6.centerasecurity.dk
129.0-254.19.233.89.in-addr.arpa
mx14.centerasecurity.dk		 AS3292 TDC Holding A/S
AS3308 Norlys Telco A/S
AS3308 Norlys Telco A/S

🔷 AAAA Records (IPv6)#

2 records   43ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:4700:3032::6815:2558 — — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —
2606:4700:3034::ac43:ce51 — — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —

🔐 HTTPS Records#

1 records   58ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.37.88,172.67.206.81 ech=AEX+DQBBxAAgACDj7TsM1XQ2Je0M+m3yUJPxgZYPa5bYDBn/ZlIFcoqSfQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:2558,2606:4700:3034::ac43:ce51

📝 TXT Records#

1 records   98ms
TXT Record
v=spf1 include:_spf.centerasecurity.dk include:spf.protection.outlook.com -all

✉️ SPF#

PolicyRecord (dahl-sorensen.dk)
-all (hard fail) v=spf1 include:_spf.centerasecurity.dk include:spf.protection.outlook.com -all

📨 DMARC#

PolicyRecord (_dmarc.dahl-sorensen.dk)
p=reject v=DMARC1; p=reject; rua=mailto:9b94e4677c434dbdad79795a765fc8ff@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 2026-10-25 05:10:47
www104.21.37.88 172.67.206.81 2606:4700:3037::6815:2558 2606:4700:3037::ac43:ce51 (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: 2/10 · policy: -all

No problems found

🔗 TLSA / DANE#

6 records   40ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx1-dk.centerasecurity.dk DANE-EE · SPKI · SHA-256 D4C349E7B72F5CF4A9CEA358F98947C2…
SMTP _25._tcp.mx1-dk.centerasecurity.dk DANE-EE · SPKI · SHA-256 56315B43B892E9AEE184919EC6A5821C…
SMTP _25._tcp.mx2-dk.centerasecurity.dk DANE-EE · SPKI · SHA-256 56315B43B892E9AEE184919EC6A5821C…
SMTP _25._tcp.mx2-dk.centerasecurity.dk DANE-EE · SPKI · SHA-256 D4C349E7B72F5CF4A9CEA358F98947C2…
SMTP _25._tcp.mx3-dk.centerasecurity.dk DANE-EE · SPKI · SHA-256 D4C349E7B72F5CF4A9CEA358F98947C2…
SMTP _25._tcp.mx3-dk.centerasecurity.dk DANE-EE · SPKI · SHA-256 56315B43B892E9AEE184919EC6A5821C…

🔐 DNSSEC#

99ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✓ Found
Flagsunsigned answer

🏷️ SOA#

49ms
FieldValue
Serial2405385104
Primary NS (MNAME)asa.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-10 15:02:30
FieldValue
RegistrarPunktum dk A/S (direct)
Registered1998-02-11
Expires2028-03-31 (521d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
86ms
A
32ms
MX
32ms
AAAA
43ms
TXT
98ms
CAA
30ms
HTTPS
58ms
TLSA
40ms
SOA
49ms
MTA-STS
34ms
DNSSEC
99ms
SRV
0ms
Total
704ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-25 05:10:47 769ms 2 NS 2 A 3 MX 🔓 Insecure
2026-10-16 13:25:21 546ms 2 NS 2 A 3 MX 🔓 Insecure
2026-09-24 04:31:25 1682ms 2 NS 2 A 3 MX 🔓 Insecure
2026-09-17 22:54:25 2745ms 2 NS 2 A 3 MX 🔓 Insecure
2026-09-10 20:45:24 1278ms 2 NS 2 A 3 MX 🔓 Insecure
2026-08-31 20:27:37 2736ms 2 NS 2 A 3 MX 🔓 Insecure
2026-08-29 13:23:38 1406ms 2 NS 2 A 3 MX 🔓 Insecure
2026-08-25 20:34:56 1466ms 2 NS 2 A 3 MX 🔓 Insecure
2026-08-08 12:22:51 3618ms 2 NS 2 A 3 MX 🔓 Insecure
2026-07-23 11:03:40 10034ms 2 NS 2 A 3 MX 🔓 Insecure
2026-07-15 11:20:25 3101ms 2 NS 2 A 3 MX 🔓 Insecure
2026-06-27 03:46:16 1065ms 2 NS 2 A 3 MX 🔓 Insecure
2026-06-26 15:58:54 1966ms 2 NS 2 A 3 MX 🔓 Insecure
2026-06-19 06:47:33 1395ms 2 NS 2 A 3 MX 🔓 Insecure
2026-06-16 23:44:19 shown 704ms 2 NS 2 A 3 MX 🔓 Insecure
2026-06-16 23:40:44 3022ms 2 NS 2 A 3 MX 🔓 Insecure
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