siboni.dk

📜 Historical scan 2026-09-09 02:09:52  ·  ← 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   129ms

🌍 A Records#

2 records   105ms
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   87ms
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   107ms

🔐 HTTPS Records#

1 records   106ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.37.39,172.67.203.185 ech=AEX+DQBBfQAgACBDcVNBMG0tnXoL8RREQtfJYAZuOtBPG8GgardcknReEgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3036::ac43:cbb9,2606:4700:3037::6815:2527

🔌 SRV Records#

1 records   154ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 10 10 443 maildiscover.simply.com

📝 TXT Records#

2 records   244ms
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   185ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx.simply.com DANE-EE · SPKI · SHA-256 97A3BA009F39C761BFFB6574340E8138…
SMTP _25._tcp.mx.simply.com DANE-EE · SPKI · SHA-256 A9D603AF4D7ED6B9246B4B68500CD6F2…

🔐 DNSSEC#

193ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✓ Found
Flagsunsigned answer

🏷️ SOA#

0ms
FieldValue
Serial2414095074
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
129ms
A
105ms
MX
87ms
AAAA
107ms
TXT
244ms
CAA
88ms
HTTPS
106ms
TLSA
185ms
SOA
0ms
MTA-STS
103ms
DNSSEC
193ms
SRV
154ms
Total
1754ms

🕐 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 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 shown 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
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