ctfeurope.dk

📜 Historical scan 2026-07-20 10:54:59  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

ctfeurope.dk is a .dk domain served by 3 nameservers (ns4.hostonline.dk, ns5.hostonline.dk, ns6.hostonline.dk). It was registered on 28 March 2011 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 217.195.185.219 is hosted by GlobalConnect A/S (AS31027) in Denmark. Mail is handled by ctfeurope-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, 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#

3 records   24ms
NameserverIP addressesPTRASN / ISP
ns4.hostonline.dk 217.195.185.243
2a02:188:6004:14::10		 ns4.hostonline.dk
ns4.hostonline.dk		 AS31027 GlobalConnect A/S
AS31027 GlobalConnect A/S
ns5.hostonline.dk 217.195.185.244
2a02:188:6004:14::11		 ns5.hostonline.dk
ns5.hostonline.dk		 AS31027 GlobalConnect A/S
AS31027 GlobalConnect A/S
ns6.hostonline.dk 85.191.126.85 ns6.hostonline.dk AS204274 AURA Fiber A/S

🌍 A Records#

1 records   33ms
IPTTLPTRASNISP / OrgCIDRCountryCity
217.195.185.219 3600s webhotel11.hostonline.dk AS31027 GlobalConnect A/S 217.195.176.0/20 🇩🇰 Denmark Copenhagen

📧 MX Records#

1 records   32ms
PriorityTTLMail ServerIP addressesPTRASN
0 3600s ctfeurope-dk.mail.protection.outlook.com 2a01:111:f403:ca04::1
2a01:111:f403:ca04::c
2a01:111:f403:ca09::
2a01:111:f403:ca09::b
52.101.68.36
52.101.73.2
52.101.73.22
52.101.73.24		 mail-db7pr03cu00401.inbound.protection.outlook.com
mail-db9pr02cu00204.inbound.protection.outlook.com
mail-am3pr04cu00500.inbound.protection.outlook.com
mail-am7pr05cu00103.inbound.protection.outlook.com
mail-db5pr02cu00104.inbound.protection.outlook.com
mail-as9pr07cu00302.inbound.protection.outlook.com
mail-am7pr05cu00106.inbound.protection.outlook.com
mail-as8pr05cu00300.inbound.protection.outlook.com		 AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscoverautodiscover.outlook.com → 40.104.116.40

🔷 AAAA Records (IPv6)#

1 records   33ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2a02:188:6004:10::27 3600s webhotel11.hostonline.dk AS31027 GlobalConnect A/S 2a02:188:0:0:0:0:0:0/30 🇩🇰 Denmark —

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records   47ms
ServicePriorityWeightPortTarget
_sipfederationtls._tcp 100 1 5061 sipfed.online.lync.com

📝 TXT Records#

1 records   168ms
TXT Record
v=spf1 mx a ip4:93.191.156.112 include:_spf.hostonline.dk include:spf.protection.outlook.com -all

✉️ SPF#

PolicyRecord (ctfeurope.dk)
-all (hard fail) v=spf1 mx a ip4:93.191.156.112 include:_spf.hostonline.dk include:spf.protection.outlook.com -all

📨 DMARC#

PolicyRecord (_dmarc.ctfeurope.dk)
p=none (monitor only) v=DMARC1; p=none;

📬 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 00:55:33
www CNAMEctfeurope.dk (all on ctfeurope.dk)
www vs bare domainSame network
WildcardNo
Denial of existenceNSEC3 · 10 iterations · 8-byte salt · opt-out RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEYNone 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found
SelectorCNAMEKey
selector1 selector1-ctfeurope-dk._domainkey.ctfeurope.n-v1.dkim.mail.microsoft 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: 7/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

54ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

0ms
FieldValue
Serial2026072002
Primary NS (MNAME)ns4.hostonline.dk
Responsible (RNAME)hostmaster@hostonline.dk
Refresh86400s
Retry7200s
Expire3600000s
Minimum (neg-cache TTL)172800s

📋 Registration#

WHOIS fetched 2026-10-03 05:59:44
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2011-03-28
Expires2027-03-31 (165d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
24ms
A
33ms
MX
32ms
AAAA
33ms
TXT
168ms
CAA
34ms
HTTPS
32ms
TLSA
178ms
SOA
0ms
MTA-STS
40ms
DNSSEC
54ms
SRV
47ms
Total
1209ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-14 00:55:33 2045ms 3 NS 1 A 1 MX 🔒 Secure
2026-10-08 11:01:02 4455ms 3 NS 1 A 1 MX 🔒 Secure
2026-10-03 05:38:10 3114ms 3 NS 1 A 1 MX 🔒 Secure
2026-09-28 04:58:32 3279ms 3 NS 1 A 1 MX 🔒 Secure
2026-09-24 03:22:35 1001ms 3 NS 1 A 1 MX 🔒 Secure
2026-09-20 17:33:04 3184ms 3 NS 1 A 1 MX 🔒 Secure
2026-09-14 16:28:49 2074ms 3 NS 1 A 1 MX 🔒 Secure
2026-09-08 23:43:47 1994ms 3 NS 1 A 1 MX 🔒 Secure
2026-09-06 01:20:43 2013ms 3 NS 1 A 1 MX 🔒 Secure
2026-08-29 13:24:35 885ms 3 NS 1 A 1 MX 🔒 Secure
2026-08-28 11:21:31 1632ms 3 NS 1 A 1 MX 🔒 Secure
2026-08-24 14:01:01 1787ms 3 NS 1 A 1 MX 🔒 Secure
2026-08-19 08:02:49 8235ms 3 NS 1 A 1 MX 🔒 Secure
2026-08-15 18:13:41 1616ms 3 NS 1 A 1 MX 🔒 Secure
2026-08-09 21:46:58 4475ms 3 NS 1 A 1 MX 🔒 Secure
2026-08-07 04:12:11 1770ms 3 NS 1 A 1 MX 🔒 Secure
2026-07-25 03:37:31 1445ms 3 NS 1 A 1 MX 🔒 Secure
2026-07-20 10:54:59 shown 1209ms 3 NS 1 A 1 MX 🔒 Secure
2026-07-16 01:03:39 9339ms 3 NS 1 A 1 MX 🔒 Secure
2026-07-10 22:56:37 11303ms 3 NS 1 A 1 MX 🔒 Secure
2026-07-06 03:02:12 4508ms 3 NS 1 A 1 MX 🔒 Secure
2026-07-01 10:14:06 1102ms 3 NS 1 A 1 MX 🔒 Secure
2026-06-27 20:34:39 1463ms 3 NS 1 A 1 MX 🔒 Secure
2026-06-20 23:43:10 1520ms 3 NS 1 A 1 MX 🔒 Secure
2026-06-20 16:06:00 976ms 0 NS 0 A 0 MX ❓ Unknown
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