siboni.dk

📜 Historical scan 2026-09-29 15:14:15  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

siboni.dk is a .dk domain served by 2 nameservers (fatima.ns.cloudflare.com, hugh.ns.cloudflare.com). It was registered on 26 January 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.37.39 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx.simply.com. 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   62ms

🌍 A Records#

2 records   46ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.37.39 300s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.203.185 300s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

1 records   35ms
PriorityTTLMail ServerIP addressesPTRASN
10 3600s mx.simply.com 94.231.106.20 mx.simply.com AS48854 team.blue Denmark A/S

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscover172.67.203.185
🔶 Autoconfig104.21.37.39

🔷 AAAA Records (IPv6)#

2 records   37ms

🔐 HTTPS Records#

1 records   33ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.37.39,172.67.203.185 ech=AEX+DQBBBQAgACAVvFUir2xCVyFobLH4P241M8L25DJ3bDcN+t56ZbtYKAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3036::ac43:cbb9,2606:4700:3037::6815:2527

🔌 SRV Records#

1 records   89ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 10 10 443 maildiscover.simply.com

📝 TXT Records#

2 records   187ms
TXT Record
MS=ms63410383
v=spf1 include:spf.simply.com -all

✉️ SPF#

PolicyRecord (siboni.dk)
-all (hard fail) v=spf1 include:spf.simply.com -all

📨 DMARC#

PolicyRecord (_dmarc.siboni.dk)
p=none (monitor only) v=DMARC1; p=none; rua=mailto:f3542e03c1c04a9b86e171a10478bdf4@dmarc-reports.cloudflare.net

📬 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 2026-10-24 03:00:55
www104.21.37.39 172.67.203.185 2606:4700:3036::ac43:cbb9 2606:4700:3037::6815:2527 (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardYes: any name under the zone resolves
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: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

2 records   114ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx.simply.com DANE-EE · SPKI · SHA-256 A9D603AF4D7ED6B9246B4B68500CD6F2…
SMTP _25._tcp.mx.simply.com DANE-EE · SPKI · SHA-256 97A3BA009F39C761BFFB6574340E8138…

🔐 DNSSEC#

129ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✓ Found
Flagsunsigned answer

🏷️ SOA#

0ms
FieldValue
Serial2416168677
Primary NS (MNAME)fatima.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-09 01:21:24
FieldValue
RegistrarSimply.com A/S
Registered2025-01-26
Expires2027-01-25 (92d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
62ms
A
46ms
MX
35ms
AAAA
37ms
TXT
187ms
CAA
51ms
HTTPS
33ms
TLSA
114ms
SOA
0ms
MTA-STS
60ms
DNSSEC
129ms
SRV
89ms
Total
831ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-24 03:00:55 1292ms 2 NS 2 A 1 MX 🔓 Insecure
2026-10-09 01:05:15 1446ms 2 NS 2 A 1 MX 🔓 Insecure
2026-10-08 01:00:13 565ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-29 15:14:15 shown 831ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-24 14:38:02 947ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-23 14:06:17 938ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-16 03:17:48 1574ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-09 02:09:52 1754ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-13 01:58:13 1045ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-10 13:12:37 1000ms 2 NS 2 A 1 MX ❓ Unknown
2026-07-27 03:28:45 9825ms 2 NS 2 A 1 MX 🔓 Insecure
2026-07-20 06:05:31 1420ms 2 NS 2 A 1 MX 🔓 Insecure
2026-07-17 19:17:34 8889ms 2 NS 2 A 1 MX 🔓 Insecure
2026-07-03 18:44:09 941ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-26 08:25:10 1265ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-19 21:37:02 947ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-17 11:48:00 936ms 2 NS 2 A 1 MX 🔓 Insecure
dhd.dk [/] search Domains, Hosts & DNS — .dk zone