cio2.dk

📜 Historical scan 2026-08-24 10:10:48  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

cio2.dk is a .dk domain served by 4 nameservers (ns1.eurodns.com, ns2.eurodns.com, ns3.eurodns.com and 1 more). It was registered on 3 August 2021 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 80.92.65.215 is hosted by Datacenter Luxembourg S.A. (AS24611) in Luxembourg. Mail is handled by .. The zone is DNSSEC-signed and validates, has no DMARC policy and has no IPv6 address. 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#

4 records   74ms
NameserverIP addressesPTRASN / ISP
ns1.eurodns.com 199.167.66.107
2610:1c8:b002::107		 ns1.eurodns.com
ns1.eurodns.com		 AS23393 NuCDN LLC
AS23393 NuCDN LLC
ns2.eurodns.com 104.37.178.107
2610:1c8:b001::107		 ns2.eurodns.com
ns2.eurodns.com		 AS23393 NuCDN LLC
AS23393 NuCDN LLC
ns3.eurodns.com 199.167.66.108
2610:1c8:b002::108		 ns3.eurodns.com
ns3.eurodns.com		 AS23393 NuCDN LLC
AS23393 NuCDN LLC
ns4.eurodns.com 104.37.178.108
2610:1c8:b001::108		 ns4.eurodns.com
ns4.eurodns.com		 AS23393 NuCDN LLC
AS23393 NuCDN LLC

🌍 A Records#

1 records   96ms
IPTTLPTRASNISP / OrgCIDRCountryCity
80.92.65.215 3600s 80-92-65-215.ip.dclux.com AS24611 Datacenter Luxembourg S.A. 80.92.64.0/19 🇱🇺 Luxembourg Luxembourg

📧 MX Records#

1 records   77ms
PriorityTTLMail ServerIP addressesPTRASN
0 3600s .  Null MX — domain accepts no email (RFC 7505)

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records   355ms
TXT Record
v=spf1 -all

✉️ SPF#

PolicyRecord (cio2.dk)
-all (hard fail) v=spf1 -all

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 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 2026-10-18 18:06:28
www80.92.65.215 (AS24611) (address records, no CNAME)
www vs bare domainSame network
cio2.dk: 80.92.65.215 (AS24611)
www.cio2.dk: 80.92.65.215 (AS24611)
WildcardNo
Denial of existenceCompact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEYNone 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 0/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

204ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

0ms
FieldValue
Serial2026041624
Primary NS (MNAME)ns1.eurodns.com
Responsible (RNAME)hostmaster@eurodns.com
Refresh43200s
Retry7200s
Expire1209600s
Minimum (neg-cache TTL)86400s

📋 Registration#

WHOIS fetched 2026-10-17 17:28:49
FieldValue
RegistrarEurodns S.A
Registered2021-08-03
Expires2027-08-31 (314d)

🔗 Same registrant#

30 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).

DomainRegistrar
atea.dkEurodns S.A
ateaconsulting.dkEurodns S.A
ateadirect.dkEurodns S.A
ateadirectclub.dkEurodns S.A
ateaedu.dkEurodns S.A
ateaeshop.dkEurodns S.A
ateafinance.dkEurodns S.A
ateaglobal.dkEurodns S.A
atealab.dkEurodns S.A
atealicense.dkEurodns S.A
atealogistics.dkEurodns S.A
azureexpertcenter.dkEurodns S.A
brugvideokonference.dkEurodns S.A
cioanalytics.dkEurodns S.A
firmamobil.dkEurodns S.A
fleksvalg.dkEurodns S.A
flexbenefits.dkEurodns S.A
flexvalg.dkEurodns S.A
globetrack.dkEurodns S.A
gogreennow.dkEurodns S.A
goitgreen.dkEurodns S.A
goitloop.dkEurodns S.A
itexpo.dkEurodns S.A
itflex.dkEurodns S.A
lifesize-danmark.dkEurodns S.A
lifesizedanmark.dkEurodns S.A
manageservice.dkEurodns S.A
myatea.dkEurodns S.A
tp2b.dkEurodns S.A
voister.dkEurodns S.A
📋 WHOIS#

⏱️ Lookup Timing#

NS
74ms
A
96ms
MX
77ms
AAAA
57ms
TXT
355ms
CAA
77ms
HTTPS
76ms
TLSA
125ms
SOA
0ms
MTA-STS
100ms
DNSSEC
204ms
SRV
135ms
Total
1963ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-18 18:06:28 1246ms 4 NS 1 A 1 MX 🔒 Secure
2026-10-17 16:59:11 506ms 4 NS 1 A 1 MX 🔒 Secure
2026-09-30 05:36:50 664ms 4 NS 1 A 1 MX 🔒 Secure
2026-09-29 05:26:42 669ms 4 NS 1 A 1 MX 🔒 Secure
2026-09-27 04:53:34 694ms 4 NS 1 A 1 MX 🔒 Secure
2026-09-11 09:25:26 670ms 4 NS 1 A 1 MX 🔒 Secure
2026-09-03 22:13:05 502ms 4 NS 1 A 1 MX 🔒 Secure
2026-08-24 10:10:48 shown 1963ms 4 NS 1 A 1 MX 🔒 Secure
2026-08-23 06:51:19 4868ms 4 NS 1 A 1 MX 🔒 Secure
2026-08-06 09:28:09 1130ms 4 NS 1 A 1 MX 🔒 Secure
2026-07-18 07:35:02 998ms 4 NS 1 A 1 MX 🔒 Secure
2026-07-17 01:46:50 734ms 4 NS 1 A 1 MX 🔒 Secure
2026-07-08 21:22:59 8563ms 4 NS 1 A 1 MX 🔒 Secure
2026-07-01 22:46:47 706ms 4 NS 1 A 1 MX 🔒 Secure
2026-06-27 22:15:53 815ms 4 NS 1 A 1 MX 🔒 Secure
2026-06-26 17:24:35 819ms 4 NS 1 A 1 MX 🔒 Secure
2026-06-23 07:34:10 943ms 4 NS 1 A 1 MX 🔒 Secure
2026-06-22 18:54:00 1152ms 0 NS 0 A 0 MX ❓ Unknown
2026-06-20 06:10:19 1996ms 4 NS 1 A 1 MX 🔒 Secure
2026-06-20 00:57:31 501ms 4 NS 1 A 1 MX 🔒 Secure
2026-06-16 20:50:38 402ms 4 NS 1 A 0 MX 🔒 Secure
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