siboni.dk

📜 Historical scan 2026-09-23 14:06:17  ·  ← 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   56ms
NameserverIP addressesPTRASN / ISP
fatima.ns.cloudflare.com 108.162.194.188
162.159.38.188
172.64.34.188
2606:4700:50::a29f:26bc
2803:f800:50::6ca2:c2bc
2a06:98c1:50::ac40:22bc		 fatima.ns.cloudflare.com
fatima.ns.cloudflare.com
fatima.ns.cloudflare.com
fatima.ns.cloudflare.com
fatima.ns.cloudflare.com
fatima.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
hugh.ns.cloudflare.com 108.162.193.117
172.64.33.117
173.245.59.117
2606:4700:58::adf5:3b75
2803:f800:50::6ca2:c175
2a06:98c1:50::ac40:2175		 hugh.ns.cloudflare.com
hugh.ns.cloudflare.com
hugh.ns.cloudflare.com
hugh.ns.cloudflare.com
hugh.ns.cloudflare.com
hugh.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.

🌍 A Records#

2 records   49ms
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   67ms
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
🔷 Autodiscover104.21.37.39
🔶 Autoconfig104.21.37.39

🔷 AAAA Records (IPv6)#

2 records   63ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:4700:3036::ac43:cbb9 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —
2606:4700:3037::6815:2527 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —

🔐 HTTPS Records#

1 records   82ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.37.39,172.67.203.185 ech=AEX+DQBBxQAgACDrycxHIbtbRFPj3PVyptXjvVD5nJu6aN8PBZoDNdNbWQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3036::ac43:cbb9,2606:4700:3037::6815:2527

🔌 SRV Records#

1 records   153ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 10 10 443 maildiscover.simply.com

📝 TXT Records#

2 records   430ms
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   115ms
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#

106ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✓ Found
Flagsunsigned answer

🏷️ SOA#

0ms
FieldValue
Serial2414708846
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
56ms
A
49ms
MX
67ms
AAAA
63ms
TXT
430ms
CAA
66ms
HTTPS
82ms
TLSA
115ms
SOA
0ms
MTA-STS
120ms
DNSSEC
106ms
SRV
153ms
Total
938ms

🕐 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 shown 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