secuuru.dk

📜 Historical scan 2026-06-24 05:52:50  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

secuuru.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was registered on 23 October 2018 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.248.44.28 is hosted by DigitalOcean, LLC (AS14061) in Germany. Mail is handled by mail.bsecure.dk. The zone is DNSSEC-signed but currently fails validation, 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#

4 records   19ms
NameserverIP addressesPTRASN / ISP
ns1.simply.com 2a02:2339:1:15c::4562:4562
91.197.248.78		 ns1.simply.com
ns1.simply.com		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
ns2.simply.com 185.25.141.15
2a02:2339:4006:101::4562:4562		 ns2.simply.com
ns2.simply.com		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
ns3.simply.com 91.197.248.79 ns3.simply.com AS48854 team.blue Denmark A/S
ns4.simply.com 91.197.248.80 ns4.simply.com AS48854 team.blue Denmark A/S

🌍 A Records#

1 records   52ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.248.44.28 3600s www.infosecworrier.dk AS14061 DigitalOcean, LLC 104.248.0.0/16 🇩🇪 Germany Frankfurt am Main

📧 MX Records#

1 records   51ms
PriorityTTLMail ServerIP addressesPTRASN
10 3600s mail.bsecure.dk 161.35.201.194
2a03:b0c0:3:d0::16bc:2001
2a03:b0c0:3:d0::16bc:2002		 mail.bsecure.dk
mail.bsecure.dk
—		 AS14061 DigitalOcean, LLC
AS14061 DigitalOcean, LLC
AS14061 DigitalOcean, LLC

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscovermail.bsecure.dk → 161.35.201.194
🔶 Autoconfigmail.bsecure.dk → 161.35.201.194

🔷 AAAA Records (IPv6)#

1 records   29ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2a03:b0c0:3:d0::8c6:f001 3600s www.infosecworrier.dk AS14061 DigitalOcean, LLC 2a03:b0c0:0:0:0:0:0:0/46 🇩🇪 Germany Frankfurt am Main

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records   149ms
TXT Record
v=spf1 mx a:mail.bsecure.dk -all

✉️ SPF#

PolicyRecord (secuuru.dk)
-all (hard fail) v=spf1 mx a:mail.bsecure.dk -all

📨 DMARC#

PolicyRecord (_dmarc.secuuru.dk)
p=reject v=DMARC1; p=reject; sp=reject; rua=mailto:dmarc-rpt@bollers.dk; ruf=mailto:dmarc-rpt@bollers.dk; fo=1; aspf=s; adkim=s

📬 MTA-STS#

121ms
CheckResult
Status🔒 Enforce
TXT record (_mta-sts)✓ Found
HTTPS policy✓ Valid
Modeenforce
Policy ID20250125231500
max_age86400s
Policy MXmail.bsecure.dk

📈 TLSRPT#

StatusReport address (rua)
✓ Enabled mailto:dmarc-rpt@bollers.dk

📜 CAA Records#

1 records   30ms
FlagsTagValue
0 issue letsencrypt.org

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-13 01:23:31
www104.248.44.28 2a03:b0c0:3:d0::8c6:f001 (AS14061) (address records, no CNAME)
www vs bare domainSame network
WildcardNo
Denial of existenceNSEC zone can be walked (all names enumerable)
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#

1 records   114ms
Service / OwnerTypeCert association
SMTP _25._tcp.mail.bsecure.dk DANE-EE · SPKI · SHA-256 CED8EAAC1EA87AF1EFD67EB44F68C432…

🔐 DNSSEC#

61ms
CheckResult
Validation Status⚠️ Bogus
AD Flag (resolver validates)✗ Not set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsbroken trust chain resolving 'secuuru.dk/DS/IN': 127.0.0.1#53

🏷️ SOA#

40ms
FieldValue
Serial2025020800
Primary NS (MNAME)ns1.simply.com
Responsible (RNAME)hostmaster@simply.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)3600s

📋 Registration#

WHOIS fetched 2026-10-17 04:37:54
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2018-10-23
Expires2027-10-31 (379d)

🔗 Same registrant#

2 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
bollers.dkSimply.com A/S
martinboller.dkPunktum dk A/S (direct)
📋 WHOIS#

⏱️ Lookup Timing#

NS
19ms
A
52ms
MX
51ms
AAAA
29ms
TXT
149ms
CAA
30ms
HTTPS
42ms
TLSA
114ms
SOA
40ms
MTA-STS
121ms
DNSSEC
61ms
SRV
122ms
Total
1024ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-13 01:23:31 2487ms 4 NS 1 A 1 MX 🔒 Secure
2026-10-02 13:09:25 651ms 4 NS 1 A 1 MX 🔒 Secure
2026-09-25 12:34:55 640ms 4 NS 1 A 1 MX 🔒 Secure
2026-07-04 11:34:52 1941ms 4 NS 1 A 1 MX 🔒 Secure
2026-06-24 05:52:50 shown 1024ms 4 NS 1 A 1 MX ⚠️ Bogus
2026-06-23 07:32:31 1171ms 0 NS 0 A 0 MX ❓ Unknown
2026-06-22 19:03:10 1577ms 4 NS 1 A 1 MX 🔒 Secure
2026-06-17 14:36:36 1966ms 4 NS 1 A 1 MX 🔒 Secure
dhd.dk [/] search Domains, Hosts & DNS — .dk zone