c5office.dk

📜 Historical scan 2026-06-19 13:53:30  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

c5office.dk is a .dk domain served by 2 nameservers (ns1.shellhost.dk, ns2.shellhost.dk). It was registered on 23 May 2003 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 193.200.90.229 is hosted by Christian Ebsen ApS (AS62121) in Denmark. Mail is handled by mail.c5office.dk. The zone is DNSSEC-signed but currently fails validation, 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#

2 records   63ms
NameserverIP addressesPTRASN / ISP
ns1.shellhost.dk 193.200.90.91
2001:67c:564::13		 —
ns1.shellhost.dk		 AS62121 Christian Ebsen ApS
AS62121 Christian Ebsen ApS
ns2.shellhost.dk 193.200.91.90
2001:67c:564::12		 ns2.eushells.com
ns2.eushells.com		 AS62121 Christian Ebsen ApS
AS62121 Christian Ebsen ApS

🌍 A Records#

1 records   50ms
IPTTLPTRASNISP / OrgCIDRCountryCity
193.200.90.229 3600s web1.eushells.com AS62121 Christian Ebsen ApS 193.200.90.0/23 🇩🇰 Denmark —

📧 MX Records#

1 records   35ms
PriorityTTLMail ServerIP addressesPTRASN
10 3600s mail.c5office.dk 193.200.90.233 mail1.eushells.com AS62121 Christian Ebsen ApS

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

📝
No TXT records found

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 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 2026-10-07 22:35:06
www193.200.90.229 (AS62121) (address records, no CNAME)
www vs bare domainSame network
c5office.dk: 193.200.90.229 (AS62121)
www.c5office.dk: 193.200.90.229 (AS62121)
WildcardNo
Denial of existenceNSEC zone can be walked (all names enumerable)
CDS / CDNSKEYNone 0 CDS, 0 CDNSKEY

🔗 TLSA / DANE#

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

🔐 DNSSEC#

126ms
CheckResult
Validation Status⚠️ Bogus
AD Flag (resolver validates)✗ Not set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsresolution failed: insecurity proof failed

🏷️ SOA#

62ms
FieldValue
Serial2024110200
Primary NS (MNAME)ns1.shellhost.dk
Responsible (RNAME)hostmaster@shellhost.dk
Refresh84400s
Retry3600s
Expire604800s
Minimum (neg-cache TTL)3600s

📋 Registration#

WHOIS fetched 2026-10-15 13:59:27
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2003-05-23
Expires2027-05-31 (225d)

🔗 Same registrant#

10 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
beesoft365.dkPunktum dk A/S (direct)
bh1.dkPunktum dk A/S (direct)
bsoft365online.dkPunktum dk A/S (direct)
capritas.dkPunktum dk A/S (direct)
capritaz.dkPunktum dk A/S (direct)
cintaz.dkPunktum dk A/S (direct)
dynamicspeople.dkPunktum dk A/S (direct)
falksminde.dkPunktum dk A/S (direct)
mathiaslehn.dkPunktum dk A/S (direct)
nitouche.dkPunktum dk A/S (direct)
📋 WHOIS#

⏱️ Lookup Timing#

NS
63ms
A
50ms
MX
35ms
AAAA
123ms
TXT
171ms
CAA
71ms
HTTPS
67ms
TLSA
77ms
SOA
62ms
MTA-STS
227ms
DNSSEC
126ms
SRV
235ms
Total
633ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-09-25 16:26:58 468ms 2 NS 1 A 1 MX 🔒 Secure
2026-09-10 03:24:08 441ms 2 NS 1 A 1 MX 🔒 Secure
2026-06-26 09:52:39 393ms 2 NS 1 A 1 MX 🔒 Secure
2026-06-23 23:53:07 1203ms 0 NS 0 A 0 MX ❓ Unknown
2026-06-19 13:53:30 shown 633ms 2 NS 1 A 1 MX ⚠️ Bogus
2026-06-16 18:41:26 401ms 2 NS 1 A 1 MX 🔒 Secure
2026-06-16 18:40:27 461ms 2 NS 1 A 1 MX 🔒 Secure
dhd.dk [/] search Domains, Hosts & DNS — .dk zone