csonline.dk

📜 Historical scan 2026-06-16 23:06:17  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

csonline.dk is a .dk domain served by 2 nameservers (amanda.ns.cloudflare.com, logan.ns.cloudflare.com). It was registered on 15 August 2018 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 188.114.96.9 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   54ms
NameserverIP addressesPTRASN / ISP
amanda.ns.cloudflare.com — — —
logan.ns.cloudflare.com — — —

🌍 A Records#

2 records   52ms
IPTTLPTRASNISP / OrgCIDRCountryCity
188.114.96.9 — — AS13335 Cloudflare, Inc. 188.114.96.0/22 — —
188.114.97.9 — — AS13335 Cloudflare, Inc. 188.114.96.0/22 — —

📧 MX Records#

3 records   53ms
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   2051ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2a06:98c1:3120::9 — — AS13335 Cloudflare, Inc. 2a06:98c1:3120:0:0:0:0:0/46 — —
2a06:98c1:3121::9 — — AS13335 Cloudflare, Inc. 2a06:98c1:3120:0:0:0:0:0/46 — —

🔐 HTTPS Records#

1 records   51ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=188.114.96.9,188.114.97.9 ech=AEX+DQBBAgAgACDurI0kjS+pgI4tREFXZNZReDzCEtZ7GTrS4X0Uec/8AwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2a06:98c1:3120::9,2a06:98c1:3121::9

📝 TXT Records#

2 records   137ms
TXT Record
MS=ms87175346
v=spf1 include:_spf.centerasecurity.dk include:amazonses.com include:spf.protection.outlook.com -all

✉️ SPF#

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

📨 DMARC#

PolicyRecord (_dmarc.csonline.dk)
p=none (monitor only) v=DMARC1; p=none; rua=mailto:640aea3defeb3@dmarc.centerasecurity.com;

📬 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 2026-10-14 13:11:52
www104.18.22.64 104.18.23.64 2606:4700::6812:1640 2606:4700::6812:1740 (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardNo

✍️ DKIM keys#

2 found
SelectorCNAMEKey
s1 s1.domainkey.u47778511.wl012.sendgrid.net RSA · ~2048 bit
s2 s2.domainkey.u47778511.wl012.sendgrid.net 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: 3/10 · policy: -all

No problems found

🔗 TLSA / DANE#

6 records   97ms
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 56315B43B892E9AEE184919EC6A5821C…
SMTP _25._tcp.mx3-dk.centerasecurity.dk DANE-EE · SPKI · SHA-256 D4C349E7B72F5CF4A9CEA358F98947C2…

🔐 DNSSEC#

2067ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

2051ms
FieldValue
Serial2406020147
Primary NS (MNAME)amanda.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-11 01:49:22
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2018-08-15
Expires2027-08-31 (314d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
54ms
A
52ms
MX
53ms
AAAA
2051ms
TXT
137ms
CAA
2050ms
HTTPS
51ms
TLSA
97ms
SOA
2051ms
MTA-STS
38ms
DNSSEC
2067ms
SRV
0ms
Total
2762ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-14 13:11:52 805ms 2 NS 2 A 3 MX 🔓 Insecure
2026-10-01 02:05:30 2324ms 2 NS 2 A 3 MX 🔓 Insecure
2026-09-12 00:37:20 2199ms 2 NS 2 A 3 MX 🔓 Insecure
2026-09-04 12:23:44 691ms 2 NS 2 A 3 MX 🔓 Insecure
2026-08-31 09:56:07 767ms 2 NS 2 A 3 MX 🔓 Insecure
2026-08-27 23:25:25 1098ms 2 NS 2 A 3 MX 🔓 Insecure
2026-08-07 04:40:36 1646ms 2 NS 2 A 3 MX 🔓 Insecure
2026-07-11 22:22:43 1568ms 2 NS 2 A 3 MX 🔓 Insecure
2026-07-08 22:09:54 10590ms 2 NS 2 A 3 MX 🔓 Insecure
2026-06-26 08:23:00 2929ms 2 NS 2 A 3 MX 🔓 Insecure
2026-06-16 23:06:17 shown 2762ms 2 NS 2 A 3 MX 🔓 Insecure
dhd.dk [/] search Domains, Hosts & DNS — .dk zone