siboni.dk

Records from scan: 2026-10-24 03:00:55  ·  1292ms total
⬇ 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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records   77ms
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   74ms
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   95ms
PriorityTTLMail ServerIP addressesPTRASN
10 3600s mx.simply.com 94.231.103.108
94.231.106.20		 mx.simply.com
mx.simply.com		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscover104.21.37.39
🔶 Autoconfig172.67.203.185

🔷 AAAA Records (IPv6)#

2 records   101ms
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   104ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.37.39,172.67.203.185 ech=AEX+DQBBDgAgACC7I6CV6HQFtIuV9kGsxYTHVIjk0nZsAhYf+iocS9BNNwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3036::ac43:cbb9,2606:4700:3037::6815:2527

🔌 SRV Records#

1 records   135ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 10 10 443 maildiscover.simply.com

📝 TXT Records#

2 records   281ms
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#

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   228ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx.simply.com DANE-EE · SPKI · SHA-256 4B949F05A63FED95FC94B3A83DD70167…
SMTP _25._tcp.mx.simply.com DANE-EE · SPKI · SHA-256 97A3BA009F39C761BFFB6574340E8138…

🔐 DNSSEC#

189ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✓ Found
Flagsunsigned answer

🏷️ SOA#

72ms
FieldValue
Serial2418242279
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
77ms
A
74ms
MX
95ms
AAAA
101ms
TXT
281ms
CAA
99ms
HTTPS
104ms
TLSA
228ms
SOA
72ms
MTA-STS
156ms
DNSSEC
189ms
SRV
135ms
Total
1292ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-24 03:00:55 shown 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 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